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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
30 Apr — 7 May1
1 adult
Tue 30/4
Tue 7/5

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 25 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 925,685 searches. Data last updated 25 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.
Thu 29/806:00LHR - IAD
1 stop19h 20mTAP AIR PORTUGAL
Thu 28/1117:30IAD - LHR
1 stop14h 10mTAP AIR PORTUGAL
Deal found 25/4£447
Sun 6/1019:50LHR - IAD
1 stop24h 25mTAP AIR PORTUGAL
Thu 17/1017:20IAD - LHR
1 stop24h 35mTAP AIR PORTUGAL
Deal found 24/4£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
Fri 6/912:00LHR - IAD
1 stop13h 45mTAP AIR PORTUGAL
Sun 15/922:20IAD - LHR
1 stop18h 40mTAP AIR PORTUGAL
Deal found 25/4£471
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
Mon 9/906:00LHR - IAD
1 stop19h 50mTAP AIR PORTUGAL
Sun 15/922:20IAD - LHR
1 stop15h 30mTAP AIR PORTUGAL
Deal found 24/4£472
Wed 15/519:50LHR - IAD
1 stop24h 30mTAP AIR PORTUGAL
Tue 10/922:30IAD - LHR
1 stop14h 15mTAP AIR PORTUGAL
Deal found 25/4£476
Tue 24/906:00LHR - IAD
1 stop14h 20mTAP AIR PORTUGAL
Thu 3/1022:20IAD - LHR
1 stop14h 25mTAP AIR PORTUGAL
Deal found 25/4£477
Tue 17/906:00LHR - IAD
1 stop14h 20mTAP AIR PORTUGAL
Tue 18/217:30IAD - LHR
1 stop14h 10mTAP AIR PORTUGAL
Deal found 24/4£481
  • 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 53% 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 United Airlines flights from Heathrow to Dulles Intl

Explore cheap flight options specifically provided by United Airlines 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 925,685 searches. Data last updated 25 April 2024.
Have a look at some of the cheapest available United Airlines flights departing from London and landing in Washington, D.C.. Deals frequently update to provide users with more options.
Tue 7/506:50LHR - IAD
1 stop12h 25mUnited Airlines
Thu 16/522:25IAD - LHR
Nonstop7h 15mUnited Airlines
Deal found 25/4£521
Thu 9/516:40LHR - IAD
Nonstop8h 05mUnited Airlines
Thu 16/522:25IAD - LHR
Nonstop7h 15mUnited Airlines
Deal found 25/4£560
Sat 4/518:00LHR - IAD
1 stop18h 57mUnited Airlines
Sun 12/522:25IAD - LHR
Nonstop7h 15mUnited Airlines
Deal found 24/4£735
  • If you’re travelling from London Heathrow Airport to Washington, D.C. Dulles Intl Airport, one of the more common airlines travelling that route is United Airlines. Flights on this route from United Airlines typically cost £860.47 RT, a price that is 61% cheaper than the average London Heathrow Airport to Washington, D.C. Dulles Intl Airport flight. The cheapest flight found was £604 RT. When travelling from London Heathrow Airport to Washington, D.C. Dulles Intl Airport on United Airlines, the most popular airport to depart from is London Heathrow Airport and the most popular airport to arrive at is Washington, D.C. Dulles Intl Airport. When flying from London Heathrow Airport to Washington, D.C. Dulles Intl Airport, United Airlines 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 925,685 searches. Prices were last updated on 25 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.
Wed 22/506:45LHR - IAD
2 stops15h 55mMultiple Airlines
Wed 29/518:50IAD - LHR
2 stops21h 45mMultiple Airlines
Deal found 24/4£427
Sat 18/507:15LHR - IAD
1 stop15h 25mMultiple Airlines
Sun 2/618:50IAD - LHR
2 stops22h 35mMultiple Airlines
Deal found 24/4£467
Wed 22/506:45LHR - IAD
2 stops15h 55mMultiple Airlines
Wed 5/618:50IAD - LHR
2 stops21h 45mMultiple Airlines
Deal found 24/4£468
Thu 9/507:40LHR - IAD
1 stop15h 00mMultiple Airlines
Mon 13/518:50IAD - LHR
1 stop14h 25mMultiple Airlines
Deal found 25/4£476
Wed 8/506:45LHR - IAD
2 stops15h 55mMultiple Airlines
Sat 11/518:50IAD - LHR
2 stops21h 05mMultiple Airlines
Deal found 24/4£490
Wed 15/517:25LHR - IAD
Nonstop8h 05mAmerican Airlines
Wed 22/505:02IAD - LHR
2 stops23h 38mAmerican Airlines
Deal found 24/4£504
Mon 6/508:40LHR - IAD
1 stop11h 55mVirgin Atlantic
Mon 13/522:15IAD - LHR
Nonstop7h 15mVirgin Atlantic
Deal found 25/4£508
Tue 30/421:10LHR - IAD
2 stops25h 30mMultiple Airlines
Fri 3/518:50IAD - LHR
1 stop14h 25mMultiple Airlines
Deal found 25/4£509
Wed 1/509:15LHR - IAD
1 stop15h 27mAmerican Airlines
Wed 8/505:02IAD - LHR
2 stops23h 38mAmerican Airlines
Deal found 24/4£511

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 925,685 searches. Data last updated 25 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.
Sun 24/1107:20LHR - IAD
1 stop14h 35mMultiple Airlines
Wed 4/1218:05IAD - LHR
1 stop15h 55mMultiple Airlines
Deal found 24/4£362
Thu 21/1107:25LHR - IAD
1 stop14h 30mMultiple Airlines
Thu 5/1218:05IAD - LHR
1 stop15h 55mMultiple Airlines
Deal found 24/4£390
Fri 22/1106:45LHR - IAD
2 stops15h 10mMultiple Airlines
Thu 5/1218:05IAD - LHR
1 stop15h 55mMultiple Airlines
Deal found 25/4£407
Wed 22/506:45LHR - IAD
2 stops15h 55mMultiple Airlines
Wed 29/518:50IAD - LHR
2 stops21h 45mMultiple Airlines
Deal found 24/4£427
Sun 6/1019:50LHR - IAD
1 stop24h 25mTAP AIR PORTUGAL
Thu 17/1017:20IAD - LHR
1 stop24h 35mTAP AIR PORTUGAL
Deal found 24/4£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
Sat 18/507:15LHR - IAD
1 stop15h 25mMultiple Airlines
Sun 2/618:50IAD - LHR
2 stops22h 35mMultiple Airlines
Deal found 24/4£467
Wed 22/506:45LHR - IAD
2 stops15h 55mMultiple Airlines
Wed 5/618:50IAD - LHR
2 stops21h 45mMultiple Airlines
Deal found 24/4£468
Fri 6/912:00LHR - IAD
1 stop13h 45mTAP AIR PORTUGAL
Sun 15/922:20IAD - LHR
1 stop18h 40mTAP AIR PORTUGAL
Deal found 25/4£471

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 925,685 searches. Data last updated 25 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.
Tue 24/917:25LHR - IAD
Nonstop8h 05mBritish Airways
Thu 3/1022:45IAD - LHR
Nonstop7h 20mBritish Airways
Deal found 25/4£502
Mon 9/917:30LHR - IAD
Nonstop7h 55mVirgin Atlantic
Wed 25/922:15IAD - LHR
Nonstop7h 15mVirgin Atlantic
Deal found 25/4£508
Wed 11/912:35LHR - IAD
Nonstop8h 00mFinnair
Wed 25/917:55IAD - LHR
Nonstop7h 20mFinnair
Deal found 24/4£521
Mon 16/912:35LHR - IAD
Nonstop8h 00mFinnair
Mon 30/917:55IAD - LHR
Nonstop7h 20mFinnair
Deal found 25/4£522
Tue 7/517:25LHR - IAD
Nonstop8h 05mBritish Airways
Thu 16/522:45IAD - LHR
Nonstop7h 20mBritish Airways
Deal found 24/4£524
Mon 13/517:25LHR - IAD
Nonstop8h 05mBritish Airways
Mon 20/522:45IAD - LHR
Nonstop7h 20mBritish Airways
Deal found 25/4£525
Mon 6/517:25LHR - IAD
Nonstop8h 05mFinnair
Mon 13/522:45IAD - LHR
Nonstop7h 20mFinnair
Deal found 24/4£531
Thu 9/512:35LHR - IAD
Nonstop8h 00mBritish Airways
Mon 13/522:45IAD - LHR
Nonstop7h 20mBritish Airways
Deal found 25/4£532
Tue 20/812:35LHR - IAD
Nonstop8h 05mBritish Airways
Tue 5/1122:00IAD - LHR
Nonstop7h 05mBritish Airways
Deal found 24/4£533

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 925,685 searches. Data last updated 25 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.
Tue 30/421:10LHR - IAD
2 stops25h 30mMultiple Airlines
Fri 3/518:50IAD - LHR
1 stop14h 25mMultiple Airlines
Deal found 25/4£509
Wed 1/509:15LHR - IAD
1 stop15h 27mAmerican Airlines
Wed 8/505:02IAD - LHR
2 stops23h 38mAmerican Airlines
Deal found 24/4£511
Wed 1/509:45LHR - IAD
2 stops19h 14mAmerican Airlines
Wed 8/505:02IAD - LHR
2 stops23h 38mAmerican Airlines
Deal found 24/4£515
Thu 2/506:45LHR - IAD
2 stops17h 30mMultiple Airlines
Tue 7/520:30IAD - LHR
2 stops20h 05mMultiple Airlines
Deal found 23/4£529
Fri 3/517:25LHR - IAD
Nonstop8h 05mBritish Airways
Mon 13/522:45IAD - LHR
Nonstop7h 20mBritish Airways
Deal found 24/4£529
Wed 1/507:55LHR - IAD
1 stop14h 45mMultiple Airlines
Wed 8/518:50IAD - LHR
2 stops18h 40mMultiple Airlines
Deal found 25/4£532
Wed 1/512:15LHR - IAD
1 stop16h 44mAmerican Airlines
Wed 8/514:14IAD - LHR
1 stop12h 16mAmerican Airlines
Deal found 24/4£533
Wed 1/512:15LHR - IAD
1 stop30h 27mAmerican Airlines
Sun 12/520:12IAD - LHR
1 stop30h 18mAmerican Airlines
Deal found 24/4£535
Wed 1/509:55LHR - IAD
1 stop11h 05mVirgin Atlantic
Sat 11/516:59IAD - LHR
1 stop11h 26mVirgin Atlantic
Deal found 24/4£538

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 925,685 searches. Data last updated 25 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
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
Wed 15/521:25LHR - IAD
1 stop25h 15mMultiple Airlines
Deal found 25/4£255
Wed 15/521:25LHR - IAD
1 stop25h 15mMultiple Airlines
Deal found 24/4£258
Tue 7/521:25LHR - IAD
1 stop25h 15mMultiple Airlines
Deal found 25/4£264
Sun 5/521:40LHR - IAD
2 stops25h 00mMultiple Airlines
Deal found 24/4£267
Tue 4/607:15LHR - IAD
1 stop15h 25mMultiple Airlines
Deal found 25/4£267
Wed 8/507:55LHR - IAD
1 stop14h 45mMultiple Airlines
Deal found 24/4£269

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 925,685 searches. Data last updated 25 April 2024.

Fly from

Any airport

Fly to

Any airport

Budget

£427 - £521

Route

Depart

Return

Price

London HeathrowWashington, D.C. Dulles Intl

LHR - IAD

LHRIAD

London Heathrow

Wed 22/5

2 stops15h 55m

Washington, D.C. Dulles Intl

Wed 29/5

2 stops21h 45m

£427

London HeathrowWashington, D.C. Dulles Intl

LHR - IAD

LHRIAD

London Heathrow

Thu 29/8

1 stop19h 20m

Washington, D.C. Dulles Intl

Thu 28/11

1 stop14h 10m

£447

London HeathrowWashington, D.C. Dulles Intl

LHR - IAD

LHRIAD

London Heathrow

Tue 25/6

1 stop26h 50m

Washington, D.C. Dulles Intl

Wed 10/7

1 stop10h 25m

£495

London HeathrowWashington, D.C. Dulles Intl

LHR - IAD

LHRIAD

London Heathrow

Tue 24/9

Nonstop8h 05m

Washington, D.C. Dulles Intl

Thu 3/10

Nonstop7h 20m

£502

London HeathrowWashington, D.C. Dulles Intl

LHR - IAD

LHRIAD

London Heathrow

Mon 16/9

1 stop31h 40m

Washington, D.C. Dulles Intl

Mon 30/9

2 stops15h 05m

£503

London HeathrowWashington, D.C. Dulles Intl

LHR - IAD

LHRIAD

London Heathrow

Tue 17/9

1 stop16h 20m

Washington, D.C. Dulles Intl

Tue 24/9

Nonstop7h 20m

£504

London HeathrowWashington, D.C. Dulles Intl

LHR - IAD

LHRIAD

London Heathrow

Mon 6/5

1 stop11h 55m

Washington, D.C. Dulles Intl

Mon 13/5

Nonstop7h 15m

£508

London HeathrowWashington, D.C. Dulles Intl

LHR - IAD

LHRIAD

London Heathrow

Wed 8/5

1 stop23h 55m

Washington, D.C. Dulles Intl

Mon 3/6

1 stop17h 45m

£509

London HeathrowWashington, D.C. Dulles Intl

LHR - IAD

LHRIAD

London Heathrow

Tue 7/5

1 stop12h 25m

Washington, D.C. Dulles Intl

Thu 16/5

Nonstop7h 15m

£521

Flights are sorted by cheapest first

Deals found on 24/4

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 £256 while a return flight costs £491. 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 25 April 2024.
Peruse reviews from past customers who have flown with TAP AIR PORTUGAL, United Airlines and Icelandair 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
10,975 reviews

Food

7.4

Overall

8.1

Crew

8.6

Boarding

8.2

Comfort

7.9

Entertainment

8.0

Reviews

1 / 10

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

8.1
Very Good
10,975 reviews
8.1
Very Good
10,975 reviews

Food

7.4

Overall

8.1

Crew

8.6

Boarding

8.2

Comfort

7.9

Entertainment

8.0

Reviews

1 / 10

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

7.9
Good
1,628 reviews
8.1
Very Good
10,975 reviews

Food

7.4

Overall

8.1

Crew

8.6

Boarding

8.2

Comfort

7.9

Entertainment

8.0

Reviews

1 / 10

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

7.8
Good
1,383 reviews
8.1
Very Good
10,975 reviews

Food

7.4

Overall

8.1

Crew

8.6

Boarding

8.2

Comfort

7.9

Entertainment

8.0

Reviews

1 / 10

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

7.7
Good
747 reviews
8.1
Very Good
10,975 reviews

Food

7.4

Overall

8.1

Crew

8.6

Boarding

8.2

Comfort

7.9

Entertainment

8.0

Reviews

1 / 10

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

7.7
Good
1,087 reviews
8.1
Very Good
10,975 reviews

Food

7.4

Overall

8.1

Crew

8.6

Boarding

8.2

Comfort

7.9

Entertainment

8.0

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 Multiple Airlines for just £427, 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 £535.

  • Are there last-minute flights available from London Heathrow Airport to Washington, D.C. Dulles Intl Airport for under £600?

    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 £600.

  • 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, Tuesday, Saturday.

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

    7 flight departures from London Heathrow Airport to Washington, D.C. Dulles Intl Airport per day on average.
    Morning (6am - Midday) - 14% of flight departures
    Afternoon (Midday - 6pm) - 86% of flight departures

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

    Airlines like TAP AIR PORTUGAL, Icelandair, and British Airways fly from London Heathrow Airport to Washington, D.C. Dulles Intl Airport in about 8h 05m. The time it takes to get you to your destination can typically vary by up to 18h 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 £447, 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. Search Cheapflights for deals from Icelandair and British Airways - these airlines can fly you to your destination from £495 and £502, respectively. TAP AIR PORTUGAL is currently priced 27% 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 25/4.

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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 25 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 925,685 searches. Data last updated 25 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 25 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 25 April 2024.
Monday30daily flights
Tuesday30daily flights
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Thursday30daily flights
Friday30daily flights
Saturday30daily flights
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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.

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