Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from London Heathrow Airport to Washington, D.C. Dulles Intl Airport from £235

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/5. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
LHR — IAD
29 Apr — 6 May1
1 adult
Mon 29/4
Mon 6/5

The best prices from London Heathrow to Washington, D.C. Dulles Intl are usually found in January or February, booked 36 days in advance, depart on a Wednesday or Tuesday and return on a Saturday

Cheap flight deals from Heathrow to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Dulles Intl (IAD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 24 April 2024.

Popular in

July

Cheapest in

January

Round-trip from

£451

One-way from

£235
High demand for flights, 23% potential price rise
Best time to find cheap flights, 19% potential price drop
From London Heathrow to Washington, D.C. Dulles Intl
One-way flight from London Heathrow to Washington, D.C. Dulles Intl

What is the cheapest day to fly round-trip from London Heathrow Airport to Washington, D.C. Dulles Intl Airport?

Saturday flights are found to be more expensive to fly from London Heathrow Airport to Washington, D.C. Dulles Intl Airport. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Washington, D.C. Dulles Intl Airport.

How far in advance should I book a flight from London Heathrow Airport to Washington, D.C. Dulles Intl Airport?

To save up to 31% on this flight, we recommend booking at least 57 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from London Heathrow Airport to Washington, D.C. Dulles Intl Airport from £553 1-2 weeks out and tickets from £613 for flights departing within the next 72 hours.

What is the cheapest month to fly from London Heathrow Airport to Washington, D.C. Dulles Intl Airport?

The best pricing can be found in the month of September. Prices to Washington, D.C. Dulles Intl Airport from London Heathrow Airport average £531. You can even find prices in September for less than £531, as users have found deals to Washington, D.C. Dulles Intl Airport from as low as £282. The month of July appears to be one of the more expensive times to travel to Washington, D.C. Dulles Intl Airport from London Heathrow Airport. Flying in the targeted month can save you up to 15%.

When is the cheapest time to fly from London Heathrow Airport to Washington, D.C. Dulles Intl Airport (LHR - IAD)?

A simple way to save on the total cost of your ticket is to fly from London Heathrow Airport to Washington, D.C. Dulles Intl Airport at midday. If you’re flexible enough to do this you can expect to save up to 7% on your trip compared to booking a flight in the afternoon.

Cheap TAP AIR PORTUGAL flights from Heathrow to Dulles Intl

Explore cheap flight options specifically provided by TAP AIR PORTUGAL for the route between Heathrow and Dulles Intl. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 928,181 searches. Data last updated 24 April 2024.
Check out some of the cheapest TAP AIR PORTUGAL flights we've come across from London to Washington, D.C.. It's recommended that users confirm their flight details before booking.
Mon 26/819:50LHR - IAD
1 stop24h 30mTAP AIR PORTUGAL
Sun 8/922:20IAD - LHR
1 stop15h 30mTAP AIR PORTUGAL
Deal found 23/4£451
Fri 11/1008:00LHR - IAD
1 stop15h 25mTAP AIR PORTUGAL
Sun 20/1017:40IAD - LHR
1 stop23h 20mTAP AIR PORTUGAL
Deal found 23/4£454
Fri 20/906:00LHR - IAD
1 stop19h 45mTAP AIR PORTUGAL
Sat 5/1020:20IAD - LHR
1 stop14h 15mTAP AIR PORTUGAL
Deal found 23/4£458
Wed 11/906:00LHR - IAD
1 stop14h 15mTAP AIR PORTUGAL
Wed 25/922:20IAD - LHR
1 stop12h 15mTAP AIR PORTUGAL
Deal found 23/4£460
Fri 20/906:00LHR - IAD
1 stop17h 25mTAP AIR PORTUGAL
Tue 8/1017:00IAD - LHR
1 stop12h 20mTAP AIR PORTUGAL
Deal found 23/4£463
Thu 5/906:00LHR - IAD
1 stop19h 20mTAP AIR PORTUGAL
Sun 15/922:20IAD - LHR
1 stop15h 30mTAP AIR PORTUGAL
Deal found 23/4£464
Fri 6/912:00LHR - IAD
1 stop13h 45mTAP AIR PORTUGAL
Tue 10/922:30IAD - LHR
1 stop14h 15mTAP AIR PORTUGAL
Deal found 24/4£465
Thu 26/906:00LHR - IAD
1 stop14h 20mTAP AIR PORTUGAL
Thu 3/1022:20IAD - LHR
1 stop14h 25mTAP AIR PORTUGAL
Deal found 23/4£466
Sun 15/918:45LHR - IAD
1 stop25h 30mTAP AIR PORTUGAL
Wed 25/922:20IAD - LHR
1 stop12h 15mTAP AIR PORTUGAL
Deal found 24/4£472
  • TAP AIR PORTUGAL is one of the most popular airlines used for those travelling from London Heathrow Airport to Washington, D.C. Dulles Intl Airport. London Heathrow Airport to Washington, D.C. Dulles Intl Airport flights are typically 54% cheaper than other airlines traveling the same route. Flights from TAP AIR PORTUGAL typically cost £836.83 RT. The cheapest TAP AIR PORTUGAL flight found for this route was £641. London Heathrow Airport is the most common London Heathrow Airport airport to take off from when flying to Washington, D.C. Dulles Intl Airport. Washington, D.C. Dulles Intl Airport is the most popular arrival airport in Washington, D.C. Dulles Intl Airport. When flying from London Heathrow Airport to Washington, D.C. Dulles Intl Airport, TAP AIR PORTUGAL flights are 7% more popular than any other airline flying that same route.

Cheap Lufthansa flights from Heathrow to Dulles Intl

Explore cheap flight options specifically provided by Lufthansa for the route between Heathrow and Dulles Intl. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 928,181 searches. Data last updated 24 April 2024.
Have a look at some of the cheapest available Lufthansa flights departing from London and landing in Washington, D.C.. Deals frequently update to provide users with more options.
Mon 13/506:50LHR - IAD
1 stop11h 40mLufthansa
Sat 18/522:17IAD - LHR
1 stop27h 58mLufthansa
Deal found 23/4£562
Mon 13/512:15LHR - IAD
Nonstop8h 05mLufthansa
Sat 18/522:17IAD - LHR
1 stop27h 58mLufthansa
Deal found 24/4£572
Wed 11/912:15LHR - IAD
Nonstop8h 15mLufthansa
Wed 25/918:30IAD - LHR
Nonstop7h 15mLufthansa
Deal found 23/4£577
Tue 14/512:15LHR - IAD
Nonstop8h 05mLufthansa
Tue 21/515:20IAD - LHR
1 stop11h 20mLufthansa
Deal found 23/4£580
Tue 7/516:40LHR - IAD
Nonstop8h 05mLufthansa
Tue 14/515:20IAD - LHR
1 stop11h 20mLufthansa
Deal found 23/4£589
Sun 12/507:30LHR - IAD
1 stop13h 35mLufthansa
Mon 20/522:25IAD - LHR
Nonstop7h 15mLufthansa
Deal found 24/4£597
Wed 8/512:15LHR - IAD
Nonstop8h 05mLufthansa
Tue 21/515:20IAD - LHR
1 stop11h 20mLufthansa
Deal found 23/4£606
Fri 17/508:30LHR - IAD
1 stop12h 35mLufthansa
Mon 20/522:25IAD - LHR
Nonstop7h 15mLufthansa
Deal found 24/4£607
Fri 20/916:40LHR - IAD
Nonstop8h 15mLufthansa
Tue 8/1018:30IAD - LHR
Nonstop7h 15mLufthansa
Deal found 23/4£611
  • One of the most popular airlines travelling from London Heathrow Airport to Washington, D.C. Dulles Intl Airport is Lufthansa. Flights from Lufthansa travelling this route typically cost £860.47 RT. This price is typically 65% cheaper than other airlines that offer London Heathrow Airport to Washington, D.C. Dulles Intl Airport flights. When booking this route, the cheapest RT price found was £604. The most popular departure airport in London Heathrow Airport when flying to Washington, D.C. Dulles Intl Airport is London Heathrow Airport. The most popular airport to fly into when visiting Washington, D.C. Dulles Intl Airport is Washington, D.C. Dulles Intl Airport. When flying from London Heathrow Airport to Washington, D.C. Dulles Intl Airport, Lufthansa flights are 4% more popular than any other airline flying that same route.

Cheap Heathrow to Dulles Intl flights in April & May 2024

Find cheap flight options from Heathrow to Dulles Intl specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 928,181 searches. Prices were last updated on 24 April 2024.
These are some of the most attractive deals on flights from London to Washington, D.C. in 2024. Check back soon for alternative fares.
Sat 18/507:15LHR - IAD
1 stop15h 25mMultiple Airlines
Sun 2/618:50IAD - LHR
2 stops22h 35mMultiple Airlines
Deal found 24/4£467
Wed 29/515:10LHR - IAD
2 stops29h 15mMultiple Airlines
Sun 2/617:15IAD - LHR
2 stops23h 20mMultiple Airlines
Deal found 23/4£472
Thu 25/421:25LHR - IAD
1 stop25h 15mMultiple Airlines
Sun 28/418:50IAD - LHR
2 stops18h 40mMultiple Airlines
Deal found 23/4£484
Wed 24/418:45LHR - IAD
1 stop25h 35mTAP AIR PORTUGAL
Fri 27/919:55IAD - LHR
1 stop16h 50mTAP AIR PORTUGAL
Deal found 22/4£486
Thu 16/521:25LHR - IAD
1 stop25h 15mMultiple Airlines
Wed 22/518:50IAD - LHR
2 stops22h 55mMultiple Airlines
Deal found 23/4£501
Tue 7/521:25LHR - IAD
1 stop25h 15mMultiple Airlines
Fri 10/518:50IAD - LHR
1 stop14h 25mMultiple Airlines
Deal found 23/4£508
Sun 28/410:35LHR - IAD
2 stops36h 05mMultiple Airlines
Sat 4/518:50IAD - LHR
1 stop14h 40mMultiple Airlines
Deal found 23/4£508
Mon 6/506:40LHR - IAD
1 stop13h 45mScandinavian Airlines
Mon 3/617:15IAD - LHR
1 stop23h 25mScandinavian Airlines
Deal found 23/4£510
Mon 13/521:25LHR - IAD
1 stop26h 50mIcelandair
Mon 20/520:30IAD - LHR
1 stop18h 50mIcelandair
Deal found 22/4£514

Heathrow to Dulles Intl 2024 flight deals

Discover exclusive flight deals for travel between Heathrow and Dulles Intl in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 928,181 searches. Data last updated 24 April 2024.
These are some of the most attractive deals on flights from London to Washington, D.C. in 2024. Check back soon for alternative fares.
Fri 22/1106:45LHR - IAD
2 stops15h 10mMultiple Airlines
Tue 3/1218:05IAD - LHR
1 stop15h 45mMultiple Airlines
Deal found 23/4£449
Mon 26/819:50LHR - IAD
1 stop24h 30mTAP AIR PORTUGAL
Sun 8/922:20IAD - LHR
1 stop15h 30mTAP AIR PORTUGAL
Deal found 23/4£451
Fri 11/1008:00LHR - IAD
1 stop15h 25mTAP AIR PORTUGAL
Sun 20/1017:40IAD - LHR
1 stop23h 20mTAP AIR PORTUGAL
Deal found 23/4£454
Fri 20/906:00LHR - IAD
1 stop19h 45mTAP AIR PORTUGAL
Sat 5/1020:20IAD - LHR
1 stop14h 15mTAP AIR PORTUGAL
Deal found 23/4£458
Wed 11/906:00LHR - IAD
1 stop14h 15mTAP AIR PORTUGAL
Wed 25/922:20IAD - LHR
1 stop12h 15mTAP AIR PORTUGAL
Deal found 23/4£460
Fri 20/906:00LHR - IAD
1 stop17h 25mTAP AIR PORTUGAL
Tue 8/1017:00IAD - LHR
1 stop12h 20mTAP AIR PORTUGAL
Deal found 23/4£463
Thu 5/906:00LHR - IAD
1 stop19h 20mTAP AIR PORTUGAL
Sun 15/922:20IAD - LHR
1 stop15h 30mTAP AIR PORTUGAL
Deal found 23/4£464
Fri 6/912:00LHR - IAD
1 stop13h 45mTAP AIR PORTUGAL
Tue 10/922:30IAD - LHR
1 stop14h 15mTAP AIR PORTUGAL
Deal found 24/4£465
Thu 26/906:00LHR - IAD
1 stop14h 20mTAP AIR PORTUGAL
Thu 3/1022:20IAD - LHR
1 stop14h 25mTAP AIR PORTUGAL
Deal found 23/4£466

Direct flights to Dulles Intl from Heathrow

Discover direct flight options from Heathrow to Dulles Intl. Find direct flights with no stopovers, providing a convenient travel experience. Explore direct flight options based on user searches, and compare prices and availability for your desired travel dates. Over the last 7 days, Cheapflights users made 928,181 searches. Data last updated 24 April 2024.
For a quicker trip, book one of these direct flights from London to Washington, D.C.. Users seeking other options on flights from London to Washington, D.C. should update the search form at the top of the page.
Wed 11/912:35LHR - IAD
Nonstop8h 00mFinnair
Wed 25/917:55IAD - LHR
Nonstop7h 20mFinnair
Deal found 24/4£521
Tue 7/517:25LHR - IAD
Nonstop8h 05mBritish Airways
Thu 16/522:45IAD - LHR
Nonstop7h 20mBritish Airways
Deal found 24/4£524
Mon 6/517:25LHR - IAD
Nonstop8h 05mFinnair
Mon 13/522:45IAD - LHR
Nonstop7h 20mFinnair
Deal found 24/4£531
Tue 20/812:35LHR - IAD
Nonstop8h 05mBritish Airways
Tue 5/1122:00IAD - LHR
Nonstop7h 05mBritish Airways
Deal found 24/4£533
Mon 6/512:35LHR - IAD
Nonstop8h 00mIberia
Mon 13/522:45IAD - LHR
Nonstop7h 20mIberia
Deal found 24/4£535
Sat 11/512:35LHR - IAD
Nonstop8h 00mBritish Airways
Mon 20/522:45IAD - LHR
Nonstop7h 20mBritish Airways
Deal found 24/4£545
Mon 13/517:25LHR - IAD
Nonstop8h 05mBritish Airways
Sun 19/522:50IAD - LHR
Nonstop7h 20mBritish Airways
Deal found 24/4£546
Sun 15/917:35LHR - IAD
Nonstop8h 00mFinnair
Wed 25/922:45IAD - LHR
Nonstop7h 20mFinnair
Deal found 24/4£554
Mon 13/517:25LHR - IAD
Nonstop8h 05mFinnair
Sun 19/522:50IAD - LHR
Nonstop7h 20mFinnair
Deal found 24/4£559

Heathrow to Dulles Intl flights leaving soon

Find last-minute flight options from Heathrow to Dulles Intl for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 928,181 searches. Data last updated 24 April 2024.
Book one of these great deals on flights from London to Washington, D.C.. Users should be sure to double check the price, date, and time of their last-minute flight.
Thu 25/421:25LHR - IAD
1 stop25h 15mMultiple Airlines
Sun 28/418:50IAD - LHR
2 stops18h 40mMultiple Airlines
Deal found 23/4£484
Tue 7/521:25LHR - IAD
1 stop25h 15mMultiple Airlines
Fri 10/518:50IAD - LHR
1 stop14h 25mMultiple Airlines
Deal found 23/4£508
Sun 28/410:35LHR - IAD
2 stops36h 05mMultiple Airlines
Sat 4/518:50IAD - LHR
1 stop14h 40mMultiple Airlines
Deal found 23/4£508
Mon 6/506:40LHR - IAD
1 stop13h 45mScandinavian Airlines
Mon 3/617:15IAD - LHR
1 stop23h 25mScandinavian Airlines
Deal found 23/4£510
Thu 2/506:40LHR - IAD
1 stop13h 45mScandinavian Airlines
Tue 4/617:15IAD - LHR
1 stop19h 25mScandinavian Airlines
Deal found 23/4£521
Sat 4/506:40LHR - IAD
1 stop13h 45mScandinavian Airlines
Mon 3/617:15IAD - LHR
1 stop19h 25mScandinavian Airlines
Deal found 23/4£522
Thu 25/421:25LHR - IAD
1 stop25h 15mMultiple Airlines
Sun 28/418:50IAD - LHR
1 stop15h 05mMultiple Airlines
Deal found 23/4£528
Thu 2/506:45LHR - IAD
2 stops17h 30mMultiple Airlines
Tue 7/520:30IAD - LHR
2 stops20h 05mMultiple Airlines
Deal found 23/4£529
Wed 1/520:30LHR - IAD
1 stop23h 55mScandinavian Airlines
Tue 28/517:15IAD - LHR
1 stop17h 45mScandinavian Airlines
Deal found 23/4£532

One-way flights to Dulles Intl from Heathrow

Search for one-way flight options from Heathrow to Dulles Intl. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 928,181 searches. Data last updated 24 April 2024.
Some of the best available deals we've found on one-way flights from London to Washington, D.C.. For those needing a return trip from London, there is a search form available above.
Wed 1/507:55LHR - IAD
1 stop14h 45mMultiple Airlines
Deal found 24/4£235
Wed 8/507:55LHR - IAD
1 stop14h 45mMultiple Airlines
Deal found 23/4£236
Thu 16/521:25LHR - IAD
1 stop25h 15mMultiple Airlines
Deal found 23/4£240
Tue 7/521:25LHR - IAD
1 stop25h 15mMultiple Airlines
Deal found 23/4£243
Thu 16/521:25LHR - IAD
1 stop25h 15mMultiple Airlines
Deal found 24/4£243
Mon 23/914:30LHR - IAD
2 stops32h 10mMultiple Airlines
Deal found 23/4£247
Wed 8/507:55LHR - IAD
1 stop14h 45mMultiple Airlines
Deal found 23/4£252
Wed 8/507:55LHR - IAD
1 stop14h 45mMultiple Airlines
Deal found 24/4£253
Wed 15/521:25LHR - IAD
1 stop25h 15mMultiple Airlines
Deal found 23/4£254

Find flights from Heathrow to Dulles Intl within your budget

Customise your flight search to find flights from Heathrow to Dulles Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 928,181 searches. Data last updated 24 April 2024.

Fly from

Any airport

Fly to

Any airport

Budget

£451 - £561

Route

Depart

Return

Price

London HeathrowWashington, D.C. Dulles Intl

LHR - IAD

LHRIAD

London Heathrow

Mon 26/8

1 stop24h 30m

Washington, D.C. Dulles Intl

Sun 8/9

1 stop15h 30m

£451

London HeathrowWashington, D.C. Dulles Intl

LHR - IAD

LHRIAD

London Heathrow

Sat 18/5

1 stop15h 25m

Washington, D.C. Dulles Intl

Sun 2/6

2 stops22h 35m

£467

London HeathrowWashington, D.C. Dulles Intl

LHR - IAD

LHRIAD

London Heathrow

Mon 6/5

1 stop13h 45m

Washington, D.C. Dulles Intl

Mon 3/6

1 stop23h 25m

£510

London HeathrowWashington, D.C. Dulles Intl

LHR - IAD

LHRIAD

London Heathrow

Sun 19/5

1 stop26h 50m

Washington, D.C. Dulles Intl

Mon 27/5

1 stop31h 40m

£513

London HeathrowWashington, D.C. Dulles Intl

LHR - IAD

LHRIAD

London Heathrow

Mon 6/5

1 stop29h 05m

Washington, D.C. Dulles Intl

Mon 13/5

Nonstop7h 20m

£527

London HeathrowWashington, D.C. Dulles Intl

LHR - IAD

LHRIAD

London Heathrow

Mon 6/5

1 stop14h 55m

Washington, D.C. Dulles Intl

Mon 13/5

1 stop10h 06m

£528

London HeathrowWashington, D.C. Dulles Intl

LHR - IAD

LHRIAD

London Heathrow

Mon 13/5

1 stop31h 40m

Washington, D.C. Dulles Intl

Sun 19/5

1 stop32h 08m

£534

London HeathrowWashington, D.C. Dulles Intl

LHR - IAD

LHRIAD

London Heathrow

Sun 15/9

2 stops13h 32m

Washington, D.C. Dulles Intl

Wed 25/9

2 stops19h 45m

£537

London HeathrowWashington, D.C. Dulles Intl

LHR - IAD

LHRIAD

London Heathrow

Tue 14/5

Nonstop8h 00m

Washington, D.C. Dulles Intl

Tue 10/9

Nonstop7h 20m

£561

Flights are sorted by cheapest first

Deals found on 23/4

When is the best time to book a flight from London Heathrow Airport to Washington, D.C. Dulles Intl Airport?

Use this chart to determine the optimal time to book a return flight from Heathrow to Dulles Intl. Price data was last updated on 28 January 2024.
To ensure you get the cheapest price possible for a flight from London Heathrow Airport to Washington, D.C. Dulles Intl Airport, you should look to book at least 36 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
Search Deals

When is the cheapest time to fly from London Heathrow Airport to Washington, D.C. Dulles Intl Airport?

Use this chart to determine the cheapest time to fly return from Heathrow to Dulles Intl. Price data was last updated on 21 April 2024.
Morning
Midday
Afternoon
Evening
All times are departure.
Travellers seeking maximum savings on their London Heathrow Airport to Washington, D.C. Dulles Intl Airport flight should consider departing on Saturday at midday when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to Dulles Intl by month

Plan your trip from Heathrow to Dulles Intl by taking into account the cheapest months to travel. The average price of a one-way flight from Heathrow to Dulles Intl is currently £245 while a return flight costs £514. Price data was last updated on 21 April 2024.

Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Washington, D.C. Dulles Intl Airport (average of £598). Flying from London Heathrow Airport to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of £844). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

January

£480

February

£500

March

£561

April

£539

May

£598

June

£675

July

£678

August

£606

September

£556

October

£522

November

£484

December

£497

Temperature and rainfall in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average temperature and rainfall totals by month.

WAS

Temperature

2 - 27 °C

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Dulles Intl. Reviews last updated 24 April 2024.
Peruse reviews from past customers who have flown with TAP AIR PORTUGAL, Lufthansa and Austrian Airlines from London to Washington, D.C. to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
8.1
Very Good
11,004 reviews

Crew

8.6

Overall

8.1

Food

7.5

Boarding

8.2

Entertainment

8.0

Comfort

7.9

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

8.1
Very Good
11,004 reviews
8.1
Very Good
11,004 reviews

Crew

8.6

Overall

8.1

Food

7.5

Boarding

8.2

Entertainment

8.0

Comfort

7.9

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

7.9
Good
1,629 reviews
8.1
Very Good
11,004 reviews

Crew

8.6

Overall

8.1

Food

7.5

Boarding

8.2

Entertainment

8.0

Comfort

7.9

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

7.8
Good
1,385 reviews
8.1
Very Good
11,004 reviews

Crew

8.6

Overall

8.1

Food

7.5

Boarding

8.2

Entertainment

8.0

Comfort

7.9

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

7.7
Good
749 reviews
8.1
Very Good
11,004 reviews

Crew

8.6

Overall

8.1

Food

7.5

Boarding

8.2

Entertainment

8.0

Comfort

7.9

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

7.7
Good
1,091 reviews
8.1
Very Good
11,004 reviews

Crew

8.6

Overall

8.1

Food

7.5

Boarding

8.2

Entertainment

8.0

Comfort

7.9

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • Can I find flights from London Heathrow Airport to Washington, D.C. Dulles Intl Airport for under £500 on Cheapflights?

    Yes, there are multiple flights from London Heathrow Airport to Washington, D.C. Dulles Intl Airport for under £500. The cheapest flight booked recently is on TAP AIR PORTUGAL for just £451, but on average you can expect to pay £472.

  • Are there nonstop flights from London Heathrow Airport to Washington, D.C. Dulles Intl Airport for under £600 on Cheapflights?

    Cheapflights has at least 20 direct flights from London Heathrow Airport to Washington, D.C. Dulles Intl Airport under £600. A good price for a nonstop flight from London Heathrow Airport to Washington, D.C. Dulles Intl Airport is less than £557.

  • Are there last-minute flights available from London Heathrow Airport to Washington, D.C. Dulles Intl Airport for under £500?

    There are currently 20+ open flights from London Heathrow Airport to Washington, D.C. Dulles Intl Airport within the next 7 days for less than £500.

  • What days are direct flights available from London Heathrow Airport to Washington, D.C. Dulles Intl Airport?

    Direct flights are available for this route on the following days: Sunday, Saturday.

  • How many flights depart from London Heathrow Airport to Washington, D.C. Dulles Intl Airport on average per day?

    5 flight departures from London Heathrow Airport to Washington, D.C. Dulles Intl Airport per day on average.
    Morning (6am - Midday) - 20% of flight departures
    Afternoon (Midday - 6pm) - 80% of flight departures

  • How long is the flight from London Heathrow Airport to Washington, D.C. Dulles Intl Airport?

    Airlines like TAP AIR PORTUGAL and Scandinavian Airlines fly from London Heathrow Airport to Washington, D.C. Dulles Intl Airport in about 13h 45m. The time it takes to get you to your destination can typically vary by up to 10h 45m. There are 3687 mi between London Heathrow Airport and Washington, D.C. Dulles Intl Airport. Both multi-stop and direct flights can be found to your destination and back.

  • What are the cheapest airlines flying from London Heathrow Airport to Washington, D.C. Dulles Intl Airport round-trip?

    Currently priced at £451, TAP AIR PORTUGAL will fly you from London Heathrow Airport to Washington, D.C. Dulles Intl Airport and back. In addition to TAP AIR PORTUGAL, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Scandinavian Airlines for as low as £510. TAP AIR PORTUGAL is currently priced 26% below the average price you’ll pay for this route.

  • What are the most popular airlines that fly from London Heathrow Airport to Washington, D.C. Dulles Intl Airport?

  • What are the most reliable airlines from London Heathrow Airport to Washington, D.C. Dulles Intl Airport?

    Consider Air Canada (90%), Austrian Airlines (90%) or Copa Airlines (90%) when booking your flight. These represent the most reliable airlines when flying from London Heathrow Airport to Washington, D.C. Dulles Intl Airport.

  • What are the cheapest flights from London Heathrow Airport to Washington, D.C. Dulles Intl Airport?

    On average you can expect to pay £1,450 for a flight from London Heathrow Airport to Washington, D.C. Dulles Intl Airport. The cheapest flight overall is £532 while the most popular route, (London Heathrow - Washington, D.C. Dulles Intl) is currently priced at £451.

  • What does LHR to IAD mean?

    LHR and IAD are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. LHR to IAD refers to a flight route from London Heathrow Airport to Washington, D.C. Dulles Intl Airport.

  • Where are the most common stopover locations when flying from London Heathrow Airport to Washington, D.C. Dulles Intl Airport?

  • What are some popular things to do or see while on a stopover in Dublin?

    Dublin travellers tend to visit Bord Gáis Energy Theatre, Olympia Theatre, and Royal Hospital Kilmainham more than anywhere else. Bord Gáis Energy Theatre, Olympia Theatre, and Royal Hospital Kilmainham are located about 5.7 mi, 5.7 mi, and 6.1 mi, respectively from Dublin. Those on a stopover in Dublin in need of a car hire can book one at Dublin for about £19.

  • Where are the least popular stopover locations for London Heathrow Airport to Washington, D.C. Dulles Intl Airport flights?

  • Can I find deals for flights from Heathrow to Dulles Intl that include extra baggage allowance?

    The amount of baggage you can bring on your Heathrow to Dulles Intl flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Heathrow to Dulles Intl with specific airlines?

    Yes, Cheapflights allows you to browse and filter Heathrow to Dulles Intl flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Heathrow to Dulles Intl that include hotel bookings?

    Yes. In addition to deals on Heathrow to Dulles Intl flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Heathrow to Dulles Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Dulles Intl.

  • Can I find deals for business class flights from Heathrow to Dulles Intl?

    Yes. Cheapflights offers flight deals from Heathrow to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Heathrow to Dulles Intl that allow pets onboard?

    Many airlines flying from Heathrow to Dulles Intl offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Heathrow to Dulles Intl?

    Yes, you can often find last-minute deals on Heathrow to Dulles Intl flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the London Heathrow Airport to Washington, D.C. Dulles Intl Airport flight deals updated?

    The London Heathrow Airport to Washington, D.C. Dulles Intl Airport flight deals you see on this page were last updated on 24/4.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly from Heathrow to Dulles Intl on these airlines
Choose from the following airlines for your flight from Heathrow to Dulles Intl. Flights are based on user searches made on Cheapflights and were last updated on 24 April 2024.

Top 10 airlines flying from Heathrow to Dulles Intl

Discover the top 10 airlines that operate flights from Heathrow to Dulles Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 928,181 searches. Data last updated 24 April 2024.
AirlineCheapestAverageFlexibilityOn-time
Norse Atlantic UKCheapest£257Average£600FlexibilityNo cancel feeOn-timeN/A
Search Norse Atlantic UK flights
PLAYCheapest£285Average£384FlexibilityNo cancel feeOn-timeN/A
Search PLAY flights
IcelandairCheapest£376Average£545FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Virgin AtlanticCheapest£386Average£635FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
TAP AIR PORTUGALCheapest£395Average£610FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
British AirwaysCheapest£419Average£600FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Scandinavian AirlinesCheapest£421Average£541FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
American AirlinesCheapest£423Average£602FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Aer LingusCheapest£448Average£595FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
Air CanadaCheapest£452Average£498FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Search flights from Heathrow to Dulles Intl by cabin class

Find flights from Heathrow to Dulles Intl, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Hourly flight availability from Heathrow to Dulles Intl

Find hourly flight availability from Heathrow to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 24 April 2024.
1%of flight departuresEarly morningMidnight to 6 am
53%of flight departuresMorning6 am to noon
46%of flight departuresAfternoonNoon to 6 pm
0%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Midday
6 PM

Weekly flight availability from Heathrow to Dulles Intl

Explore weekly flight availability from Heathrow to Dulles Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 24 April 2024.
Monday30daily flights
Tuesday30daily flights
Wednesday30daily flights
Thursday30daily flights
Friday30daily flights
Saturday30daily flights
Sunday30daily flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Heathrow to Dulles Intl?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Heathrow to Dulles Intl. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Heathrow to Dulles Intl?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Heathrow to Dulles Intl.

Can Cheapflights find flights from Heathrow to Dulles Intl with no change fees?

Need flexible booking options for your flight to Dulles Intl from Heathrow? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Heathrow to Dulles Intl become cheaper?

Yes! Start tracking prices for Heathrow to Dulles Intl flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.