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Cheap flights from Washington, D.C. to London from £155

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 18/9. 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.
WAS — LON
4 May — 11 May1
1 adult
Sat 4/5
Sat 11/5

The best prices from Washington, D.C. to London are usually found in February or January, booked 59 days in advance, depart on a Monday or Thursday and return on a Wednesday

Cheap flight deals from Washington, D.C. to London

Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) to London (LON). 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 29 April 2024.

Popular in

June

Cheapest in

February

Average price

£517

Round-trip from

£69
High demand for flights, 25% potential price rise
Best time to find cheap flights, 15% potential price drop
Average for round-trip flights in April 2024
From Washington, D.C. (WAS) to London (LON)

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

Leaving on a Sunday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 25% on the overall cost on flights from Washington, D.C. to London.

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

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. to London within the next two weeks, with the cheapest ticket starting at £587.

What is the cheapest month to fly from Washington, D.C. to London?

February is one of the best times of the year to fly to London from Washington, D.C.. 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. to London (WAS - LON)?

It’s optimal to fly from Washington, D.C. to London in the afternoon. By choosing this option you can save up to 25% on the cost of your flight, compared to a flight at midday.

Cheap British Airways flights from Washington, D.C. to London

Explore cheap flight options specifically provided by British Airways for the route between Washington, D.C. and London. 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 927,560 searches. Data last updated 29 April 2024.
Consider these cheap British Airways flights we've found departing from Washington, D.C. to London. It's recommended that users confirm their flight details before booking.
Wed 9/1021:25BWI - LHR
Nonstop7h 05mBritish Airways
Wed 16/1016:35LHR - BWI
Nonstop8h 05mBritish Airways
Deal found 28/4£499
Wed 9/1021:25BWI - LHR
Nonstop7h 05mBritish Airways
Tue 15/1016:35LHR - BWI
Nonstop8h 05mBritish Airways
Deal found 29/4£500
Wed 25/921:25BWI - LHR
Nonstop7h 05mBritish Airways
Wed 30/1015:25LHR - BWI
Nonstop8h 30mBritish Airways
Deal found 28/4£514
Wed 31/721:20BWI - LHR
Nonstop7h 10mBritish Airways
Wed 28/816:35LHR - BWI
Nonstop8h 00mBritish Airways
Deal found 28/4£526
Mon 19/821:20BWI - LHR
Nonstop7h 10mBritish Airways
Tue 27/816:35LHR - BWI
Nonstop8h 00mBritish Airways
Deal found 28/4£532
Mon 23/921:25BWI - LHR
Nonstop7h 05mBritish Airways
Sat 2/1115:25LHR - BWI
Nonstop8h 30mBritish Airways
Deal found 28/4£540
Wed 15/521:15BWI - LHR
Nonstop7h 15mBritish Airways
Wed 22/516:35LHR - BWI
Nonstop7h 50mBritish Airways
Deal found 29/4£552
Mon 9/921:25BWI - LHR
Nonstop7h 05mBritish Airways
Mon 23/916:35LHR - BWI
Nonstop8h 05mBritish Airways
Deal found 28/4£553
Fri 23/821:20BWI - LHR
Nonstop7h 10mBritish Airways
Fri 30/816:35LHR - BWI
Nonstop8h 00mBritish Airways
Deal found 28/4£558
  • If you’re travelling from Washington, D.C. to London, one of the more common airlines travelling that route is British Airways. Flights from British Airways travelling this route typically cost £754.86 RT. This price is typically 66% cheaper than other airlines that offer Washington, D.C. to London flights. When booking this route, the cheapest RT price found was £661. When travelling from Washington, D.C. to London on British Airways, 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. to London, British Airways flights are 8% more popular than any other airline flying that same route.

Cheap SWISS flights from Washington, D.C. to London

Explore cheap flight options specifically provided by SWISS for the route between Washington, D.C. and London. 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 927,560 searches. Data last updated 29 April 2024.
Some of the best deals we've found on SWISS flights travelling from Washington, D.C. to London. Ensure the flight price, dates, time, and airline match your criteria before you book.
Sun 22/920:45IAD - LHR
1 stop14h 35mSWISS
Thu 31/1008:50LHR - IAD
1 stop12h 35mSWISS
Deal found 28/4£501
Sun 5/520:45IAD - LGW
1 stop16h 10mSWISS
Mon 20/518:45LGW - IAD
1 stop26h 30mSWISS
Deal found 28/4£616
Tue 7/518:30IAD - LHR
Nonstop7h 15mSWISS
Mon 20/520:05LHR - IAD
1 stop25h 10mSWISS
Deal found 28/4£639
Wed 8/522:25IAD - LHR
Nonstop7h 15mSWISS
Wed 29/508:40LHR - IAD
1 stop12h 35mSWISS
Deal found 28/4£660
Thu 9/518:30IAD - LHR
Nonstop7h 15mSWISS
Thu 6/606:00LHR - IAD
1 stop15h 15mSWISS
Deal found 28/4£700
Sun 5/522:25IAD - LHR
Nonstop7h 15mSWISS
Mon 20/520:05LHR - IAD
1 stop25h 10mSWISS
Deal found 29/4£721
  • One of the most popular airlines travelling from Washington, D.C. to London is SWISS. Flights on this route from SWISS typically cost £812.80 RT, a price that is 62% cheaper than the average Washington, D.C. to London flight. The cheapest flight found was £450 RT. Washington, D.C. Dulles Intl Airport is the most common Washington, D.C. airport to take off from when flying to London. London Heathrow Airport is the most popular arrival airport in London. When flying from Washington, D.C. to London, SWISS flights are 7% more popular than any other airline flying that same route.

Cheap Washington, D.C. to London flights in April & May 2024

Find cheap flight options from Washington, D.C. to London specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 927,560 searches. Prices were last updated on 29 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 6/518:50BWI - STN
1 stop10h 50mPLAY
Wed 5/611:40STN - BWI
1 stop11h 00mPLAY
Deal found 28/4£350
Mon 6/518:50BWI - STN
1 stop10h 50mPLAY
Fri 17/511:40STN - BWI
1 stop11h 00mPLAY
Deal found 28/4£356
Mon 13/518:50IAD - STN
1 stop10h 50mPLAY
Fri 17/511:40STN - IAD
1 stop11h 00mPLAY
Deal found 28/4£358
Mon 13/518:50IAD - STN
1 stop10h 50mPLAY
Thu 16/511:40STN - IAD
1 stop11h 00mPLAY
Deal found 28/4£363
Mon 13/518:50IAD - STN
1 stop10h 50mPLAY
Wed 15/511:40STN - IAD
1 stop11h 00mPLAY
Deal found 28/4£367
Mon 29/418:50IAD - STN
1 stop10h 50mPLAY
Wed 8/511:40STN - IAD
1 stop11h 00mPLAY
Deal found 29/4£368
Sun 19/506:14BWI - LGW
1 stop22h 46mMultiple Airlines
Fri 31/514:00LGW - BWI
1 stop15h 58mMultiple Airlines
Deal found 28/4£370
Mon 29/418:50IAD - STN
1 stop10h 50mPLAY
Wed 15/511:40STN - IAD
1 stop11h 00mPLAY
Deal found 27/4£371
Mon 29/418:50IAD - STN
1 stop10h 50mPLAY
Thu 9/511:40STN - IAD
1 stop11h 00mPLAY
Deal found 29/4£373

Washington, D.C. to London 2024 flight deals

Discover exclusive flight deals for travel between Washington, D.C. and London in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 927,560 searches. Data last updated 29 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 2/1218:05BWI - STN
1 stop10h 50mPLAY
Sun 8/1210:55STN - BWI
1 stop11h 00mPLAY
Deal found 28/4£290
Tue 5/1118:05IAD - STN
1 stop10h 50mPLAY
Tue 12/1110:55STN - IAD
1 stop11h 00mPLAY
Deal found 28/4£290
Mon 4/1118:05BWI - STN
1 stop10h 50mPLAY
Tue 12/1110:55STN - BWI
1 stop11h 00mPLAY
Deal found 28/4£290
Fri 8/1118:05BWI - STN
1 stop10h 50mPLAY
Wed 13/1110:55STN - BWI
1 stop11h 00mPLAY
Deal found 28/4£291
Tue 5/1118:05IAD - STN
1 stop10h 50mPLAY
Sat 16/1110:55STN - IAD
1 stop11h 00mPLAY
Deal found 28/4£294
Sat 16/1118:05BWI - STN
1 stop10h 50mPLAY
Sat 23/1110:55STN - BWI
1 stop11h 00mPLAY
Deal found 28/4£294
Tue 5/1118:05BWI - STN
1 stop10h 50mPLAY
Mon 11/1110:55STN - BWI
1 stop11h 00mPLAY
Deal found 28/4£294
Tue 5/1118:05BWI - STN
1 stop10h 50mPLAY
Sun 10/1110:55STN - BWI
1 stop11h 00mPLAY
Deal found 29/4£295
Tue 5/1118:05IAD - STN
1 stop10h 50mPLAY
Tue 19/1110:55STN - IAD
1 stop11h 00mPLAY
Deal found 27/4£297

Direct flights to London from Washington, D.C.

Discover direct flight options from Washington, D.C. to London. 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 927,560 searches. Data last updated 29 April 2024.
Consider booking one of these non-stop flights heading from Washington, D.C. to London. Users can also choose from other Washington, D.C. to London flights by using the search form above.
Wed 9/1022:15IAD - LHR
Nonstop7h 15mVirgin Atlantic
Wed 16/1017:30LHR - IAD
Nonstop7h 55mVirgin Atlantic
Deal found 28/4£491
Wed 9/1021:25BWI - LHR
Nonstop7h 05mBritish Airways
Wed 16/1016:35LHR - BWI
Nonstop8h 05mBritish Airways
Deal found 28/4£499
Wed 9/1021:25BWI - LHR
Nonstop7h 05mBritish Airways
Tue 15/1016:35LHR - BWI
Nonstop8h 05mBritish Airways
Deal found 29/4£500
Wed 2/1022:45IAD - LHR
Nonstop7h 20mBritish Airways
Tue 8/1012:35LHR - IAD
Nonstop8h 00mBritish Airways
Deal found 29/4£500
Tue 24/921:25BWI - LHR
Nonstop7h 05mBritish Airways
Tue 8/1016:35LHR - BWI
Nonstop8h 05mBritish Airways
Deal found 28/4£507
Sun 12/522:15IAD - LHR
Nonstop7h 15mVirgin Atlantic
Tue 21/517:30LHR - IAD
Nonstop7h 55mVirgin Atlantic
Deal found 28/4£511
Mon 13/522:15IAD - LHR
Nonstop7h 15mVirgin Atlantic
Tue 21/517:30LHR - IAD
Nonstop7h 55mVirgin Atlantic
Deal found 29/4£512
Wed 25/921:25BWI - LHR
Nonstop7h 05mBritish Airways
Wed 30/1015:25LHR - BWI
Nonstop8h 30mBritish Airways
Deal found 28/4£514
Wed 31/722:15IAD - LHR
Nonstop7h 15mVirgin Atlantic
Wed 28/817:30LHR - IAD
Nonstop7h 55mVirgin Atlantic
Deal found 28/4£514

Washington, D.C. to London flights leaving soon

Find last-minute flight options from Washington, D.C. to London 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 927,560 searches. Data last updated 29 April 2024.
Users seeking a last-minute flight from Washington, D.C. to London should consider booking one of these fares. It's wise to confirm all flight details are correct before booking.
Mon 6/518:50IAD - STN
1 stop10h 50mPLAY
Fri 17/511:40STN - IAD
1 stop11h 00mPLAY
Deal found 28/4£389
Sun 5/518:50IAD - STN
1 stop10h 50mPLAY
Fri 10/511:40STN - IAD
1 stop11h 00mPLAY
Deal found 29/4£394
Wed 8/518:50IAD - STN
1 stop10h 50mPLAY
Fri 10/511:40STN - IAD
1 stop11h 00mPLAY
Deal found 28/4£395
Sat 4/518:50IAD - STN
1 stop10h 50mPLAY
Wed 8/511:40STN - IAD
1 stop11h 00mPLAY
Deal found 28/4£395
Sun 5/518:50IAD - STN
1 stop10h 50mPLAY
Wed 15/511:40STN - IAD
1 stop11h 00mPLAY
Deal found 28/4£396
Sun 5/518:50IAD - STN
1 stop10h 50mPLAY
Wed 15/511:40STN - IAD
1 stop11h 00mPLAY
Deal found 29/4£400
Sun 5/518:50IAD - STN
1 stop10h 50mPLAY
Fri 10/511:40STN - IAD
1 stop11h 00mPLAY
Deal found 28/4£401
Wed 8/518:50IAD - STN
1 stop10h 50mPLAY
Tue 14/511:40STN - IAD
1 stop11h 00mPLAY
Deal found 28/4£403
Sun 5/518:50IAD - STN
1 stop10h 50mPLAY
Thu 9/511:40STN - IAD
1 stop11h 00mPLAY
Deal found 29/4£415

One-way flights to London from Washington, D.C.

Search for one-way flight options from Washington, D.C. to London. 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 927,560 searches. Data last updated 29 April 2024.
Users travelling one-way from Washington, D.C. to London can select one of these great deals. Users can also find round-trip Washington, D.C. to London flights by using the search form above.
Wed 18/919:08BWI - LGW
1 stop30h 52mMultiple Airlines
Deal found 29/4£155
Tue 16/718:50IAD - STN
1 stop10h 50mPLAY
Deal found 27/4£159
Wed 17/718:50IAD - STN
1 stop10h 50mPLAY
Deal found 29/4£166
Tue 6/818:50IAD - STN
1 stop10h 50mPLAY
Deal found 28/4£168
Tue 10/918:06BWI - LGW
1 stop34h 54mMultiple Airlines
Deal found 28/4£168
Mon 5/818:50IAD - STN
1 stop10h 50mPLAY
Deal found 28/4£171
Sun 1/919:08BWI - LGW
1 stop30h 52mMultiple Airlines
Deal found 28/4£172
Tue 23/718:50IAD - STN
1 stop10h 50mPLAY
Deal found 28/4£178
Tue 8/1015:25BWI - LGW
1 stop13h 35mMultiple Airlines
Deal found 28/4£179

Find flights from Washington, D.C. to London within your budget

Customise your flight search to find flights from Washington, D.C. to London 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 927,560 searches. Data last updated 29 April 2024.

Fly from

Any airport

Fly to

Any airport

Budget

£301 - £487

Route

Depart

Return

Price

Baltimore/WashingtonLondon Stansted

BWI - STN

BWISTN

Baltimore/Washington

Mon 23/9

1 stop10h 50m

London Stansted

Fri 27/9

1 stop11h 00m

£301

Baltimore/WashingtonLondon Gatwick

BWI - LGW

BWILGW

Baltimore/Washington

Sun 19/5

1 stop22h 46m

London Gatwick

Fri 31/5

1 stop15h 58m

£370

Washington, D.C. Dulles IntlLondon Gatwick

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Sun 22/9

1 stop11h 50m

London Gatwick

Tue 1/10

1 stop27h 50m

£405

Washington, D.C. Dulles IntlLondon Heathrow

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Tue 3/9

1 stop10h 25m

London Heathrow

Mon 30/9

1 stop26h 50m

£439

Washington, D.C. Dulles IntlLondon Heathrow

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Tue 8/10

2 stops18h 10m

London Heathrow

Wed 16/10

2 stops24h 55m

£443

Washington, D.C. Dulles IntlLondon Gatwick

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Mon 9/9

1 stop13h 45m

London Gatwick

Mon 23/9

1 stop31h 30m

£447

Washington, D.C. Reagan-NationalLondon Gatwick

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Wed 9/10

1 stop9h 37m

London Gatwick

Wed 16/10

1 stop13h 14m

£483

Baltimore/WashingtonLondon Gatwick

BWI - LGW

BWILGW

Baltimore/Washington

Wed 9/10

1 stop11h 55m

London Gatwick

Tue 15/10

1 stop15h 46m

£483

Washington, D.C. Dulles IntlLondon Heathrow

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Wed 2/10

Nonstop7h 20m

London Heathrow

Thu 10/10

1 stop12h 45m

£487

Flights are sorted by cheapest first

Deals found on 28/4

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

Use this chart to determine the optimal time to book a return flight from Washington, D.C. to London. Price data was last updated on 28 January 2024.
The best time to book flights from Washington, D.C. to London is 59 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Search Deals

When is the cheapest time to fly from Washington, D.C. to London?

Use this chart to determine the cheapest time to fly return from Washington, D.C. to London. Price data was last updated on 28 April 2024.
Morning
Midday
Afternoon
Evening
All times are departure.
Travellers seeking maximum savings on their Washington, D.C. to London flight should consider departing on Thursday at midday when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to London by month

Plan your trip from Washington, D.C. to London by taking into account the cheapest months to travel. The average price of a one-way flight from Washington, D.C. to London is currently £168 while a return flight costs £429. Price data was last updated on 28 April 2024.

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. to London (average of £111). Flying from Washington, D.C. to London 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 London by month

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

LON

Temperature

4 - 17 °C

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. 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 London. Reviews last updated 29 April 2024.
Read through reviews of airlines operating flights from Washington, D.C. to London, such as British Airways, SWISS and Delta. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.1
Very Good
10,913 reviews

Crew

8.6

Entertainment

8.0

Overall

8.1

Comfort

7.9

Food

7.4

Boarding

8.2

Reviews

1 / 10

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

8.1
Very Good
10,913 reviews
8.1
Very Good
10,913 reviews

Crew

8.6

Entertainment

8.0

Overall

8.1

Comfort

7.9

Food

7.4

Boarding

8.2

Reviews

1 / 10

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

7.9
Good
1,618 reviews
8.1
Very Good
10,913 reviews

Crew

8.6

Entertainment

8.0

Overall

8.1

Comfort

7.9

Food

7.4

Boarding

8.2

Reviews

1 / 10

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

7.8
Good
2,043 reviews
8.1
Very Good
10,913 reviews

Crew

8.6

Entertainment

8.0

Overall

8.1

Comfort

7.9

Food

7.4

Boarding

8.2

Reviews

1 / 10

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

7.8
Good
1,380 reviews
8.1
Very Good
10,913 reviews

Crew

8.6

Entertainment

8.0

Overall

8.1

Comfort

7.9

Food

7.4

Boarding

8.2

Reviews

1 / 10

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

7.7
Good
743 reviews
8.1
Very Good
10,913 reviews

Crew

8.6

Entertainment

8.0

Overall

8.1

Comfort

7.9

Food

7.4

Boarding

8.2

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 Washington, D.C. to London. 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. to London for under £300 on Cheapflights?

    Yes, there are multiple flights from Washington, D.C. to London for under £300. The cheapest flight booked recently is on PLAY for just £301, but on average you can expect to pay £317.

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

    Cheapflights has at least 20 direct flights from Washington, D.C. to London under £500. A good price for a nonstop flight from Washington, D.C. to London is less than £516.

  • Are there last-minute flights available from Washington, D.C. to London for under £400?

    There are currently 20+ open flights from Washington, D.C. to London within the next 7 days for less than £400.

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

    Direct flights are available for this route on the following days: Tuesday, Wednesday.

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

    On average, you can expect to see 9 flights from Washington, D.C. to London a day.
    Evening (6pm - Midnight) - 100% of flight departures

  • How long is the flight from Washington, D.C. to London?

    Departing from Washington, D.C. to London will take you 10h 50m. The distance between Washington, D.C. and London is about 3687 mi.

  • What is the cheapest airline to fly from Washington, D.C. to London round-trip?

    PLAY, at £301, was found to be the cheapest airline from Washington, D.C. to London.. This flight start at 45% lower than the current average price 3 months from now.

  • What are the most popular routes from Washington, D.C. to London?

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

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

    Before booking your flight to London from Washington, D.C., 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. to London?

    Looking at all options, your cheapest flight can be booked for £352. While the most popular route (Washington, D.C. Dulles Intl - London Heathrow) can be booked for £406 on average our data indicates £567 when flying from Washington, D.C. to London.

  • What does IAD to LHR mean?

    This is defined as Washington, D.C. Dulles Intl Airport (IAD) and London Heathrow Airport (LHR). Codes like London Heathrow Airport are often used to just call airports uniquely. London Gatwick Airport (LGW), London Stansted Airport (STN), London Luton Airport (LTN), London City Airport (LCY), London Southend Airport (SEN) are other airports near this flight route and their unique identifiers/IATA codes.

  • Can I find deals for flights from Washington, D.C. to London that include extra baggage allowance?

    The amount of baggage you can bring on your Washington, D.C. to London 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 Washington, D.C. to London with specific airlines?

    Yes, Cheapflights allows you to browse and filter Washington, D.C. to London 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 Washington, D.C. to London that include hotel bookings?

    Yes. In addition to deals on Washington, D.C. to London flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Washington, D.C. to London?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to London.

  • Can I find deals for business class flights from Washington, D.C. to London?

    Yes. Cheapflights offers flight deals from Washington, D.C. to London 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 Washington, D.C. to London that allow pets onboard?

    Many airlines flying from Washington, D.C. to London 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 Washington, D.C. to London?

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

    The Washington, D.C. to London flight deals you see on this page were last updated on 29/4.

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.

Top 10 airlines flying from Washington, D.C. to London

Discover the top 10 airlines that operate flights from Washington, D.C. to London. 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 927,560 searches. Data last updated 29 April 2024.
AirlineCheapestAverageFlexibilityOn-time
Norse Atlantic UKCheapest£254Average£568FlexibilityNo cancel feeOn-timeN/A
Search Norse Atlantic UK flights
Virgin AtlanticCheapest£360Average£650FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
IcelandairCheapest£386Average£589FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Aer LingusCheapest£390Average£624FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
LufthansaCheapest£457Average£581FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
United AirlinesCheapest£458Average£705FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
British AirwaysCheapest£498Average£683FlexibilityNo cancel feeOn-time70%
Search British Airways flights
IberiaCheapest£503Average£757FlexibilityNo cancel feeOn-time77%
Search Iberia flights
Air FranceCheapest£526Average£672FlexibilityNo cancel feeOn-time77%
Search Air France flights
KLMCheapest£529Average£604FlexibilityNo cancel feeOn-time75%
Search KLM flights

Search flights from Washington, D.C. to London by cabin class

Find flights from Washington, D.C. to London, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Hourly flight availability from Washington, D.C. to London

Find hourly flight availability from Washington, D.C. to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 29 April 2024.
1%of flight departuresEarly morningMidnight to 6 am
0%of flight departuresMorning6 am to noon
33%of flight departuresAfternoonNoon to 6 pm
66%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Midday
6 PM

Weekly flight availability from Washington, D.C. to London

Explore weekly flight availability from Washington, D.C. to London. 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 29 April 2024.
Monday30daily flights
Tuesday30daily flights
Wednesday30daily flights
Thursday30daily flights
Friday30daily flights
Saturday24daily 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 Washington, D.C. to London?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Washington, D.C. to London. 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 Washington, D.C. to London?

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 Washington, D.C. to London.

Can Cheapflights find flights from Washington, D.C. to London with no change fees?

Certainly. Search results for flights to London from Washington, D.C. shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Washington, D.C. to London become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to London from Washington, D.C. today and book when prices fit your budget.

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