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Cheap flights from Washington, D.C. Dulles Intl Airport to London Heathrow Airport from £182

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 23/9. 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.
IAD — LHR
2 May — 9 May1
1 adult
Thu 2/5
Thu 9/5

The best prices from Washington, D.C. Dulles Intl to London Heathrow are usually found in February or January, booked 31 days in advance, depart on a Saturday or Thursday and return on a Wednesday

Cheap flight deals from Dulles Intl to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Heathrow (LHR). 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 27 April 2024.

Popular in

June

Cheapest in

February

Average price

£564

Round-trip from

£71
High demand for flights, 33% potential price rise
Best time to find cheap flights, 21% potential price drop
Average for round-trip flights in April 2024
From Washington, D.C. Dulles Intl to London Heathrow

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

Friday is generally a great day to depart. Flying on this day could help you save up to 18%.

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

Find a great deal and save up to 21% by booking at least 60 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Washington, D.C. Dulles Intl Airport to London Heathrow Airport within the next two weeks, with the cheapest ticket starting at £587.

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

February is one of the best times of the year to fly to London Heathrow Airport from Washington, D.C. Dulles Intl Airport. Prices for February average £553 per person but you can even find prices for as low as £296. The most expensive prices can be found in the month of June. Opting for a February flight can save you 32% on your journey compared to booking in June

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

When flying from Washington, D.C. Dulles Intl Airport to London Heathrow Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 16% versus a flight in the morning.

Cheap Virgin Atlantic flights from Dulles Intl to Heathrow

Explore cheap flight options specifically provided by Virgin Atlantic for the route between Dulles Intl and Heathrow. 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 27 April 2024.
Check out some of the cheapest Virgin Atlantic flights we've come across from Washington, D.C. to London. It's recommended that users confirm their flight details before booking.
Mon 13/522:15IAD - LHR
Nonstop7h 15mVirgin Atlantic
Fri 24/506:30LHR - IAD
1 stop14h 05mVirgin Atlantic
Deal found 25/4£430
Mon 13/522:15IAD - LHR
Nonstop7h 15mVirgin Atlantic
Fri 24/517:30LHR - IAD
Nonstop7h 55mVirgin Atlantic
Deal found 25/4£434
Mon 13/516:59IAD - LHR
1 stop10h 06mVirgin Atlantic
Fri 24/506:30LHR - IAD
1 stop14h 05mVirgin Atlantic
Deal found 25/4£434
Wed 1/522:15IAD - LHR
Nonstop7h 15mVirgin Atlantic
Wed 8/517:30LHR - IAD
Nonstop7h 55mVirgin Atlantic
Deal found 26/4£467
Tue 23/722:15IAD - LHR
Nonstop7h 15mVirgin Atlantic
Fri 8/1116:15LHR - IAD
Nonstop8h 15mVirgin Atlantic
Deal found 26/4£506
Thu 2/517:05IAD - LHR
1 stop14h 10mVirgin Atlantic
Thu 16/508:40LHR - IAD
1 stop11h 55mVirgin Atlantic
Deal found 26/4£507
Sun 19/522:15IAD - LHR
Nonstop7h 15mVirgin Atlantic
Fri 15/1106:20LHR - IAD
1 stop15h 20mVirgin Atlantic
Deal found 26/4£508
Fri 17/522:15IAD - LHR
Nonstop7h 15mVirgin Atlantic
Sat 25/506:30LHR - IAD
1 stop14h 30mVirgin Atlantic
Deal found 25/4£510
Thu 2/511:46IAD - LHR
1 stop14h 29mVirgin Atlantic
Tue 7/517:30LHR - IAD
Nonstop7h 55mVirgin Atlantic
Deal found 26/4£511
  • One of the most popular airlines travelling from Washington, D.C. Dulles Intl Airport to London Heathrow Airport is Virgin Atlantic. Flights from Virgin Atlantic travelling this route typically cost £754.86 RT. This price is typically 57% cheaper than other airlines that offer Washington, D.C. Dulles Intl Airport to London Heathrow Airport flights. When booking this route, the cheapest RT price found was £661. Washington, D.C. Dulles Intl Airport is the most common Washington, D.C. Dulles Intl Airport airport to take off from when flying to London Heathrow Airport. London Heathrow Airport is the most popular arrival airport in London Heathrow Airport. When flying from Washington, D.C. Dulles Intl Airport to London Heathrow Airport, Virgin Atlantic flights are 8% more popular than any other airline flying that same route.

Cheap Delta flights from Dulles Intl to Heathrow

Explore cheap flight options specifically provided by Delta for the route between Dulles Intl and Heathrow. 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 27 April 2024.
Have a look at some of the cheapest available Delta flights departing from Washington, D.C. and landing in London. Make sure to examine the flight information before completing your reservation.
Sat 18/516:59IAD - LHR
1 stop22h 11mDelta
Tue 28/506:15LHR - IAD
1 stop17h 55mDelta
Deal found 26/4£441
Sat 18/516:59IAD - LHR
1 stop22h 11mDelta
Tue 28/517:30LHR - IAD
Nonstop7h 55mDelta
Deal found 26/4£446
Wed 1/512:21IAD - LHR
1 stop14h 44mDelta
Wed 8/509:00LHR - IAD
1 stop15h 10mDelta
Deal found 26/4£466
Thu 9/522:15IAD - LHR
Nonstop7h 15mDelta
Wed 15/509:00LHR - IAD
1 stop12h 10mDelta
Deal found 25/4£469
Wed 1/517:05IAD - LHR
1 stop12h 10mDelta
Wed 8/517:30LHR - IAD
Nonstop7h 55mDelta
Deal found 26/4£471
Thu 9/516:59IAD - LHR
1 stop14h 16mDelta
Wed 15/509:00LHR - IAD
1 stop12h 10mDelta
Deal found 25/4£473
Thu 9/522:15IAD - LHR
Nonstop7h 15mDelta
Wed 15/517:30LHR - IAD
Nonstop7h 55mDelta
Deal found 25/4£474
Wed 15/522:15IAD - LHR
Nonstop7h 15mDelta
Fri 31/517:30LHR - IAD
Nonstop7h 55mDelta
Deal found 26/4£494
Wed 2/1022:15IAD - LHR
Nonstop7h 15mDelta
Tue 8/1017:30LHR - IAD
Nonstop7h 55mDelta
Deal found 26/4£498
  • Delta is one of the most popular airlines used for those travelling from Washington, D.C. Dulles Intl Airport to London Heathrow Airport. Flights on this route from Delta typically cost £745.11 RT, a price that is 59% cheaper than the average Washington, D.C. Dulles Intl Airport to London Heathrow Airport flight. The cheapest flight found was £593 RT. When travelling from Washington, D.C. Dulles Intl Airport to London Heathrow Airport on Delta, the most popular airport to depart from is Washington, D.C. Dulles Intl Airport and the most popular airport to arrive at is London Heathrow Airport. When flying from Washington, D.C. Dulles Intl Airport to London Heathrow Airport, Delta flights are 7% more popular than any other airline flying that same route.

Cheap Dulles Intl to Heathrow flights in April & May 2024

Find cheap flight options from Dulles Intl to Heathrow 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 27 April 2024.
The lowest fares we've come across on flights travelling from Washington, D.C. to London in April and May 2024. If these deals don't appeal to you, be sure to come back soon for more options.
Mon 13/522:15IAD - LHR
Nonstop7h 15mVirgin Atlantic
Fri 24/506:30LHR - IAD
1 stop14h 05mVirgin Atlantic
Deal found 25/4£430
Mon 13/522:15IAD - LHR
Nonstop7h 15mVirgin Atlantic
Fri 24/517:30LHR - IAD
Nonstop7h 55mVirgin Atlantic
Deal found 25/4£434
Mon 13/516:59IAD - LHR
1 stop10h 06mVirgin Atlantic
Fri 24/506:30LHR - IAD
1 stop14h 05mVirgin Atlantic
Deal found 25/4£434
Sat 4/518:50IAD - LHR
2 stops21h 45mMultiple Airlines
Wed 15/506:45LHR - IAD
2 stops15h 55mMultiple Airlines
Deal found 26/4£438
Sat 18/516:59IAD - LHR
1 stop22h 11mDelta
Tue 28/506:15LHR - IAD
1 stop17h 55mDelta
Deal found 26/4£441
Mon 20/518:25IAD - LHR
1 stop11h 05mAir France
Mon 27/515:20LHR - IAD
1 stop32h 50mAir France
Deal found 26/4£444
Sat 18/516:59IAD - LHR
1 stop22h 11mDelta
Tue 28/517:30LHR - IAD
Nonstop7h 55mDelta
Deal found 26/4£446
Sat 4/518:50IAD - LHR
3 stops18h 40mMultiple Airlines
Wed 15/506:45LHR - IAD
2 stops15h 55mMultiple Airlines
Deal found 26/4£448
Mon 29/420:30IAD - LHR
1 stop10h 25mIcelandair
Wed 8/513:05LHR - IAD
1 stop11h 10mIcelandair
Deal found 26/4£458

Dulles Intl to Heathrow 2024 flight deals

Discover exclusive flight deals for travel between Dulles Intl and Heathrow in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 925,685 searches. Data last updated 27 April 2024.
The lowest fares we've come across on flights travelling from Washington, D.C. to London in April and May 2024. If these deals don't appeal to you, be sure to come back soon for more options.
Tue 10/922:30IAD - LHR
1 stop14h 15mTAP AIR PORTUGAL
Tue 24/918:45LHR - IAD
1 stop25h 30mTAP AIR PORTUGAL
Deal found 26/4£406
Tue 10/922:30IAD - LHR
1 stop14h 15mTAP AIR PORTUGAL
Tue 24/919:50LHR - IAD
1 stop24h 25mTAP AIR PORTUGAL
Deal found 27/4£406
Sat 12/1017:10IAD - LHR
1 stop14h 35mTAP AIR PORTUGAL
Sun 20/1018:45LHR - IAD
1 stop25h 30mTAP AIR PORTUGAL
Deal found 26/4£410
Tue 5/1117:30IAD - LHR
1 stop19h 00mTAP AIR PORTUGAL
Tue 19/1118:30LHR - IAD
1 stop31h 35mTAP AIR PORTUGAL
Deal found 26/4£410
Tue 15/1022:30IAD - LHR
1 stop15h 20mTAP AIR PORTUGAL
Sat 9/1106:00LHR - IAD
1 stop13h 35mTAP AIR PORTUGAL
Deal found 26/4£413
Mon 2/922:25IAD - LHR
1 stop14h 20mTAP AIR PORTUGAL
Tue 17/906:00LHR - IAD
1 stop14h 20mTAP AIR PORTUGAL
Deal found 26/4£427
Mon 2/922:25IAD - LHR
1 stop15h 25mTAP AIR PORTUGAL
Wed 18/918:45LHR - IAD
1 stop25h 35mTAP AIR PORTUGAL
Deal found 25/4£428
Thu 10/1022:20IAD - LHR
1 stop15h 30mTAP AIR PORTUGAL
Tue 15/1019:50LHR - IAD
1 stop24h 25mTAP AIR PORTUGAL
Deal found 26/4£429
Tue 10/922:30IAD - LHR
1 stop14h 15mTAP AIR PORTUGAL
Sun 27/1019:55LHR - IAD
1 stop22h 05mTAP AIR PORTUGAL
Deal found 25/4£430

Direct flights to Heathrow from Dulles Intl

Discover direct flight options from Dulles Intl to Heathrow. 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 27 April 2024.
For a shorter flight, select one of these non-stop flights from Washington, D.C. to London. Users seeking other options on flights from Washington, D.C. to London should update the search form at the top of the page.
Mon 13/522:15IAD - LHR
Nonstop7h 15mVirgin Atlantic
Fri 24/517:30LHR - IAD
Nonstop7h 55mVirgin Atlantic
Deal found 25/4£434
Thu 9/522:15IAD - LHR
Nonstop7h 15mDelta
Wed 15/517:30LHR - IAD
Nonstop7h 55mDelta
Deal found 25/4£474
Wed 15/522:15IAD - LHR
Nonstop7h 15mDelta
Fri 31/517:30LHR - IAD
Nonstop7h 55mDelta
Deal found 26/4£494
Sun 22/922:25IAD - LHR
Nonstop7h 15mLufthansa
Tue 1/1016:40LHR - IAD
Nonstop8h 15mLufthansa
Deal found 25/4£498
Wed 2/1022:45IAD - LHR
Nonstop7h 20mBritish Airways
Wed 9/1012:35LHR - IAD
Nonstop8h 00mBritish Airways
Deal found 26/4£499
Tue 23/722:15IAD - LHR
Nonstop7h 15mVirgin Atlantic
Fri 8/1116:15LHR - IAD
Nonstop8h 15mVirgin Atlantic
Deal found 26/4£506
Tue 10/922:15IAD - LHR
Nonstop7h 15mVirgin Atlantic
Wed 18/917:30LHR - IAD
Nonstop7h 55mVirgin Atlantic
Deal found 25/4£507
Sun 19/522:15IAD - LHR
Nonstop7h 15mVirgin Atlantic
Fri 15/1116:15LHR - IAD
Nonstop8h 15mVirgin Atlantic
Deal found 26/4£511
Fri 17/522:15IAD - LHR
Nonstop7h 15mVirgin Atlantic
Sun 26/517:30LHR - IAD
Nonstop7h 55mVirgin Atlantic
Deal found 25/4£514

Dulles Intl to Heathrow flights leaving soon

Find last-minute flight options from Dulles Intl to Heathrow 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 27 April 2024.
Users seeking a last-minute flight from Washington, D.C. to London should consider booking one of these fares. Users should be sure to double check the price, date, and time of their last-minute flight.
Sat 4/518:50IAD - LHR
2 stops21h 45mMultiple Airlines
Wed 15/506:45LHR - IAD
2 stops15h 55mMultiple Airlines
Deal found 26/4£438
Sat 4/518:50IAD - LHR
3 stops18h 40mMultiple Airlines
Wed 15/506:45LHR - IAD
2 stops15h 55mMultiple Airlines
Deal found 26/4£448
Wed 1/520:30IAD - LHR
1 stop10h 25mIcelandair
Wed 8/521:25LHR - IAD
1 stop26h 50mIcelandair
Deal found 26/4£462
Wed 1/512:21IAD - LHR
1 stop14h 44mDelta
Wed 8/509:00LHR - IAD
1 stop15h 10mDelta
Deal found 26/4£466
Wed 1/522:15IAD - LHR
Nonstop7h 15mVirgin Atlantic
Wed 8/517:30LHR - IAD
Nonstop7h 55mVirgin Atlantic
Deal found 26/4£467
Wed 1/520:30IAD - LHR
1 stop10h 25mIcelandair
Wed 8/513:05LHR - IAD
1 stop11h 10mIcelandair
Deal found 26/4£470
Mon 6/520:30IAD - LHR
1 stop18h 50mIcelandair
Sun 19/521:25LHR - IAD
1 stop26h 50mIcelandair
Deal found 25/4£470
Wed 1/517:05IAD - LHR
1 stop12h 10mDelta
Wed 8/517:30LHR - IAD
Nonstop7h 55mDelta
Deal found 26/4£471
Wed 1/520:30IAD - LHR
1 stop18h 50mIcelandair
Wed 22/521:25LHR - IAD
1 stop26h 50mIcelandair
Deal found 26/4£477

One-way flights to Heathrow from Dulles Intl

Search for one-way flight options from Dulles Intl to Heathrow. 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 27 April 2024.
Some of the best available deals we've found on one-way flights from Washington, D.C. to London. Those needing a return flight from Washington, D.C. to London can use the search form above.
Mon 23/923:15IAD - LHR
1 stop16h 05mIcelandair
Deal found 26/4£182
Thu 26/920:30IAD - LHR
1 stop10h 25mIcelandair
Deal found 26/4£183
Tue 15/1020:30IAD - LHR
1 stop18h 50mIcelandair
Deal found 26/4£184
Tue 9/723:15IAD - LHR
1 stop31h 40mIcelandair
Deal found 26/4£186
Wed 25/920:30IAD - LHR
1 stop10h 25mIcelandair
Deal found 26/4£189
Wed 24/720:30IAD - LHR
1 stop10h 25mIcelandair
Deal found 25/4£193
Tue 16/720:30IAD - LHR
1 stop10h 25mIcelandair
Deal found 26/4£194
Tue 6/820:30IAD - LHR
1 stop10h 25mIcelandair
Deal found 26/4£195
Mon 8/723:15IAD - LHR
1 stop16h 05mIcelandair
Deal found 26/4£196

Find flights from Dulles Intl to Heathrow within your budget

Customise your flight search to find flights from Dulles Intl to Heathrow 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 27 April 2024.

Fly from

Any airport

Fly to

Any airport

Budget

£406 - £486

Route

Depart

Return

Price

Washington, D.C. Dulles IntlLondon Heathrow

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Tue 10/9

1 stop14h 15m

London Heathrow

Tue 24/9

1 stop25h 30m

£406

Washington, D.C. Dulles IntlLondon Heathrow

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Mon 13/5

Nonstop7h 15m

London Heathrow

Fri 24/5

1 stop14h 05m

£430

Washington, D.C. Dulles IntlLondon Heathrow

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Sat 18/5

1 stop22h 11m

London Heathrow

Tue 28/5

1 stop17h 55m

£441

Washington, D.C. Dulles IntlLondon Heathrow

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Tue 15/10

1 stop17h 45m

London Heathrow

Mon 28/10

1 stop13h 45m

£444

Washington, D.C. Dulles IntlLondon Heathrow

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Sun 22/9

1 stop15h 05m

London Heathrow

Mon 30/9

1 stop14h 45m

£455

Washington, D.C. Dulles IntlLondon Heathrow

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Thu 8/8

1 stop16h 05m

London Heathrow

Tue 20/8

1 stop26h 50m

£458

Washington, D.C. Dulles IntlLondon Heathrow

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Sun 18/8

1 stop33h 40m

London Heathrow

Wed 21/8

2 stops14h 15m

£480

Washington, D.C. Dulles IntlLondon Heathrow

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Wed 2/10

Nonstop7h 20m

London Heathrow

Tue 8/10

1 stop12h 45m

£486

Washington, D.C. Dulles IntlLondon Heathrow

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Wed 2/10

Nonstop7h 15m

London Heathrow

Wed 9/10

1 stop12h 35m

£486

Flights are sorted by cheapest first

Deals found on 26/4

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

Use this chart to determine the optimal time to book a return flight from Dulles Intl to Heathrow. Price data was last updated on 28 January 2024.
The price you pay for your flight from Washington, D.C. Dulles Intl Airport to London Heathrow Airport may vary depending on when you book. For the best chance of a lower fare, look to book 31 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Search Deals

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

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

Average price of flights to Heathrow by month

Plan your trip from Dulles Intl to Heathrow by taking into account the cheapest months to travel. The average price of a one-way flight from Dulles Intl to Heathrow is currently £189 while a return flight costs £454. Price data was last updated on 21 April 2024.

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to London Heathrow Airport (average of £111). Flying from Washington, D.C. Dulles Intl Airport to London Heathrow Airport in June is currently the most expensive (average of £171). 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

£89

February

£100

March

£95

April

£100

May

£110

June

£137

July

£137

August

£116

September

£110

October

£127

November

£92

December

£97

Temperature and rainfall in Heathrow by month

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

LON

Temperature

4 - 17 °C

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. 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 Heathrow. Reviews last updated 27 April 2024.
Get a feel of what it's like to fly with Virgin Atlantic, Delta and Icelandair from Washington, D.C. to London by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.1
Very Good
10,951 reviews

Boarding

8.2

Crew

8.6

Entertainment

8.0

Comfort

7.9

Food

7.4

Overall

8.1

Reviews

1 / 10

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

8.1
Very Good
10,951 reviews
8.1
Very Good
10,951 reviews

Boarding

8.2

Crew

8.6

Entertainment

8.0

Comfort

7.9

Food

7.4

Overall

8.1

Reviews

1 / 10

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

7.9
Good
1,623 reviews
8.1
Very Good
10,951 reviews

Boarding

8.2

Crew

8.6

Entertainment

8.0

Comfort

7.9

Food

7.4

Overall

8.1

Reviews

1 / 10

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

7.8
Good
2,056 reviews
8.1
Very Good
10,951 reviews

Boarding

8.2

Crew

8.6

Entertainment

8.0

Comfort

7.9

Food

7.4

Overall

8.1

Reviews

1 / 10

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

7.8
Good
1,382 reviews
8.1
Very Good
10,951 reviews

Boarding

8.2

Crew

8.6

Entertainment

8.0

Comfort

7.9

Food

7.4

Overall

8.1

Reviews

1 / 10

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

7.7
Good
746 reviews
8.1
Very Good
10,951 reviews

Boarding

8.2

Crew

8.6

Entertainment

8.0

Comfort

7.9

Food

7.4

Overall

8.1

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 Dulles Intl to Heathrow. 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 Washington, D.C. Dulles Intl Airport to London Heathrow Airport for under £500 on Cheapflights?

    Yes, there are multiple flights from Washington, D.C. Dulles Intl Airport to London Heathrow Airport for under £500. The cheapest flight booked recently is on TAP AIR PORTUGAL for just £406, but on average you can expect to pay £435.

  • Are there nonstop flights from Washington, D.C. Dulles Intl Airport to London Heathrow Airport for under £500 on Cheapflights?

    Cheapflights has at least 20 direct flights from Washington, D.C. Dulles Intl Airport to London Heathrow Airport under £500. A good price for a nonstop flight from Washington, D.C. Dulles Intl Airport to London Heathrow Airport is less than £514.

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

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

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

    Direct flights can be found on the following days: Tuesday, Wednesday, Saturday.

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

    On average 12 flights depart from Washington, D.C. Dulles Intl Airport to London Heathrow Airport per day.
    Evening (6pm - Midnight) - 100% of flight departures

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

    Fly via TAP AIR PORTUGAL, Virgin Atlantic, or Delta to get the fastest option. Airlines will cover a distance of 3687 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    Currently priced at £406, TAP AIR PORTUGAL will fly you from Washington, D.C. Dulles Intl Airport to London Heathrow Airport and back. In addition to TAP AIR PORTUGAL, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Virgin Atlantic and Delta - these airlines can fly you to your destination from £430 and £441, respectively. You may be able to fly from Washington, D.C. Dulles Intl Airport to London Heathrow Airport for 34% less than the average price by searching for these airlines.

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

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

    Before booking your flight to London Heathrow Airport from Washington, D.C. Dulles Intl Airport, check out the most reliable airlines to get you to your destination on time: American Airlines (84%), Aer Lingus (84%), Finnair( 84%).

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

    On average you can expect to pay £567 for a flight from Washington, D.C. Dulles Intl Airport to London Heathrow Airport. The cheapest flight overall is £352 while the most popular route, (Washington, D.C. Dulles Intl - London Heathrow) is currently priced at £404.

  • What does IAD to LHR mean?

    IAD and LHR 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. IAD to LHR refers to a flight route from Washington, D.C. Dulles Intl Airport to London Heathrow Airport.

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

    The amount of baggage you can bring on your Dulles Intl to Heathrow 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 Dulles Intl to Heathrow with specific airlines?

    Yes, Cheapflights allows you to browse and filter Dulles Intl to Heathrow 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 Dulles Intl to Heathrow that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from Dulles Intl to Heathrow 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 Dulles Intl to Heathrow that allow pets onboard?

    Many airlines flying from Dulles Intl to Heathrow 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 Dulles Intl to Heathrow?

    Yes, you can often find last-minute deals on Dulles Intl to Heathrow 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 Washington, D.C. Dulles Intl Airport to London Heathrow Airport flight deals updated?

    The Washington, D.C. Dulles Intl Airport to London Heathrow Airport flight deals you see on this page were last updated on 27/4.

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Top 10 airlines flying from Dulles Intl to Heathrow

Discover the top 10 airlines that operate flights from Dulles Intl to Heathrow. 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 27 April 2024.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest£386Average£563FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Aer LingusCheapest£389Average£624FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
Norse Atlantic UKCheapest£452Average£686FlexibilityNo cancel feeOn-timeN/A
Search Norse Atlantic UK flights
LufthansaCheapest£457Average£581FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
United AirlinesCheapest£458Average£705FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Virgin AtlanticCheapest£474Average£596FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
British AirwaysCheapest£502Average£662FlexibilityNo cancel feeOn-time70%
Search British Airways flights
IberiaCheapest£503Average£636FlexibilityNo cancel feeOn-time77%
Search Iberia flights
Air FranceCheapest£525Average£672FlexibilityNo cancel feeOn-time77%
Search Air France flights
KLMCheapest£529Average£604FlexibilityNo cancel feeOn-time75%
Search KLM flights

Search flights from Dulles Intl to Heathrow by cabin class

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

Hourly flight availability from Dulles Intl to Heathrow

Find hourly flight availability from Dulles Intl to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 27 April 2024.
1%of flight departuresEarly morningMidnight to 6 am
0%of flight departuresMorning6 am to noon
41%of flight departuresAfternoonNoon to 6 pm
58%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Midday
6 PM

Weekly flight availability from Dulles Intl to Heathrow

Explore weekly flight availability from Dulles Intl to Heathrow. 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 27 April 2024.
Monday30daily flights
Tuesday30daily flights
Wednesday30daily flights
Thursday30daily flights
Friday30daily flights
Saturday24daily flights
Sunday30daily flights

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Deals for Dulles Intl to Heathrow flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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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 Dulles Intl to Heathrow.

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

Need flexible booking options for your flight to Heathrow from Dulles Intl? 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 Dulles Intl to Heathrow become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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