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Dulles International Airport to London Heathrow Airport flight
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Cheap Flight Deals from Dulles International Airport to London Heathrow Airport

Search for flights from Washington D.C. to London and check out affordable one-way and round-trip options.

  • One way
  • Return
sortSort: Price (Lowest)
  • Sort: Price (Lowest)
  • Sort: Departure (Earliest)
      • IAD12:50
        19h
        1 stop
        LHR12:50
        Washington D.C. - London|Tue, May 7|United Airlines
        CNY 446CNY 720
        38% OFF
        38% OFF
        CNY 720CNY 446
      • IAD18:50
        18h 40m
        2 stops
        LHR18:30
        Washington D.C. - London|Sun, Apr 21|PLAY Airline
        CNY 458CNY 720
        36% OFF
        36% OFF
        CNY 720CNY 458
      • IAD18:50
        18h 40m
        2 stops
        LHR18:30
        Washington D.C. - London|Mon, Apr 22|PLAY Airline
        CNY 459CNY 720
        36% OFF
        36% OFF
        CNY 720CNY 459
      • IAD12:40
        15h 25m
        2 stops
        LHR09:05
        Washington D.C. - London|Wed, Apr 24|United Airlines
        CNY 517
        CNY 517
      • IAD17:10
        12h 10m
        1 stop
        LHR10:20
        Washington D.C. - London|Sat, Apr 27|TAP Air Portugal
        CNY 535
        CNY 535
      • IAD12:21
        12h 59m
        1 stop
        LHR06:20
        Washington D.C. - London|Tue, Apr 30|Delta Air Lines
        CNY 536
        CNY 536
      • IAD17:05
        12h 25m
        1 stop
        LHR10:30
        Washington D.C. - London|Wed, Apr 24|Delta Air Lines
        CNY 541
        CNY 541
      • IAD17:00
        12h 20m
        1 stop
        LHR10:20
        Washington D.C. - London|Tue, Apr 23|TAP Air Portugal
        CNY 551
        CNY 551
      • IAD22:25
        14h 20m
        1 stop
        LHR17:45
        Washington D.C. - London|Mon, Apr 22|TAP Air Portugal
        CNY 551
        CNY 551
      • IAD12:35
        14h 30m
        1 stop
        LHR08:05
        Washington D.C. - London|Tue, Apr 30|United Airlines
        CNY 551
        CNY 551
      • IAD13:00
        3h 5m
        Direct
        LHR14:00
        Washington D.C. - London|Fri, Apr 26|United Airlines
        Find More Flights
        Find More Flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Selected Airlines from Dulles International Airport to London Heathrow Airport

See which airlines fly from Washington D.C. to London. Find the airline that best meets your travel needs by comparing prices and treat yourself to an enjoyable journey.

Alaska Airlines
From AU$ 368
Icelandair
From AU$ 379
United Airlines
From AU$ 446
PLAY Airline
From AU$ 459
Sun Country Airlines
From AU$ 521
TAP Air Portugal
From AU$ 551
Lufthansa
From AU$ 616
Virgin Atlantic
From AU$ 647
British Airways
From AU$ 649
Air Canada
From AU$ 661
ANA airlines
Find more flights and airlines

Find Cheaper Flights from Washington D.C. to London

Explore other flights from Washington D.C. to London to find the best alternative options.

  • Cheapest
    PLAY Airline
    IAD
    18:50
    10h 40m
    1 transfer
    STN
    10:30
    Dulles International Airport - London Stansted Airport
    Tue, Apr 23PLAY Airline
    AU$ 277
  • PLAY Airline
    IAD
    18:50
    13h 5m
    1 transfer
    LTN
    12:55
    Dulles International Airport - London Luton Airport
    Tue, Apr 23PLAY Airline
    AU$ 300
  • Jetblue Airways
    DCA
    13:02
    15h 58m
    1 transfer
    LGW
    10:00
    Ronald Reagan Washington National Airport - London Gatwick Airport
    Wed, Apr 24Jetblue Airways
    AU$ 317
  • Jetblue Airways
    DCA
    13:02
    15h 58m
    1 transfer
    LGW
    10:00
    Ronald Reagan Washington National Airport - London Gatwick Airport
    Wed, Apr 24Jetblue Airways
    AU$ 317
    Find More Flights
Flight Schedule from Dulles International Airport to London Heathrow Airport

Check the schedule for flights from Washington D.C. to London and find the flight that best matches your travel plans.

Flight info.
Departure
Arrival
Weekly Schedule

  1. AA5543

    American Airlines

    13:11

    IAD

    1.6h

    14:50

    CLT

    SMTWTFS
    Search

  2. AA730

    American Airlines

    18:35

    CLT

    7.9h

    07:30

    LHR

    SMTWTFS

  3. TP232

    TAP Air Portugal

    17:40

    IAD

    7.5h

    06:10

    LIS

    -M-WTF-
    Search

  4. TP1356

    TAP Air Portugal

    07:40

    LIS

    2.7h

    10:20

    LHR

    SMTWTFS

  5. BA216

    British Airways

    17:55

    IAD

    7.3h

    Direct

    06:15

    LHR

    SMTWTFS
    Search

  6. AA5317

    American Airlines

    20:12

    IAD

    1.5h

    21:44

    CLT

    S-TWTFS
    Search

  7. AA734

    American Airlines

    23:20

    CLT

    7.8h

    12:10

    LHR

    SMTWTFS

  8. FI644

    Icelandair

    20:30

    IAD

    5.9h

    06:25

    KEF

    SMTWTFS
    Search

  9. FI450

    Icelandair

    07:40

    KEF

    3.3h

    11:55

    LHR

    SMTWTFS

  10. LX073

    Swiss Airlines

    20:45

    IAD

    8.1h

    10:50

    ZRH

    SMTWTFS
    Search

  11. LX332

    Swiss Airlines

    12:05

    ZRH

    1.9h

    13:00

    LHR

    SMTWTFS

  12. VS022

    Virgin Atlantic

    22:15

    IAD

    7.3h

    Direct

    10:30

    LHR

    SMTWTFS
    Search

  13. TP234

    TAP Air Portugal

    22:20

    IAD

    7.3h

    10:35

    LIS

    S-TWTFS
    Search

  14. TP1352

    TAP Air Portugal

    10:05

    LIS

    2.7h

    12:45

    LHR

    SMTWTFS

  15. IB7448

    Iberia

    22:45

    IAD

    7.3h

    Direct

    11:05

    LHR

    SMTWTFS
    Search

  16. BA292

    British Airways

    22:45

    IAD

    7.3h

    Direct

    11:05

    LHR

    SMTWTFS
    Search
Find more flights and airlines

Dulles International Airport to London Heathrow Airport Flights Info

Flight distance5,907.82km
Cheapest one-way ticket priceAU$ 446
Cheapest return ticket priceAU$ 753

FAQs for Dulles International Airport to London Heathrow Airport Flights

  • How long is the flights from Dulles International Airport (IAD) to London Heathrow Airport (LHR)?

    It takes around 7 hours 18 minutes to fly from Dulles International Airport (IAD) to London Heathrow Airport (LHR).

  • How many daily flights are there from Dulles International Airport (IAD) to London Heathrow Airport (LHR)?

    There are around 15 daily flights from Dulles International Airport (IAD) to London Heathrow Airport (LHR).

  • When are flight from Dulles International Airport (IAD) to London Heathrow Airport (LHR) the cheapest?

    Tickets cost around AU$ 786 in April, making it the cheapest month to book. Dulles International Airport (IAD) to London Heathrow Airport (LHR) is a popular route, so don't forget to book your tickets in advance.

  • When are flight from Dulles International Airport (IAD) to London Heathrow Airport (LHR) most expensive?

    The route from Dulles International Airport (IAD) to London Heathrow Airport (LHR) is quite popular. Without considering departure times or holidays, tickets cost around AU$ 1,300 in May, the most expensive month to book this route.

  • What time does the earliest flight from Dulles International Airport to London Heathrow Airport depart?

    The earliest flight departs from Dulles International Airport (IAD) at 08:25 and arrives in London Heathrow Airport (LHR) at 20:50.

  • What time does the latest flight from Dulles International Airport to London Heathrow Airport depart?

    The latest flight departs from Dulles International Airport (IAD) at 18:30 and arrives in London Heathrow Airport (LHR) at 06:45.

  • What is the transportation method from the main airport to downtown in London?

    • The distance from London Gatwick Airport to downtown is about 39km, by taxi about 50 minutes.
    • The distance from London Heathrow Airport to downtown is about 23km, by taxi about 40 minutes.
    • The distance from London Luton Airport to downtown is about 44km, by taxi about 1 hour.

  • Which airline operates the most direct flights from Dulles International Airport (IAD) to London Heathrow Airport (LHR)?

    United Airlines is a very popular airline operating an average of 14 flights per month.

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