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

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

  • One way
  • Round-trip
sortSort: Price (Lowest)
  • Sort: Price (Lowest)
  • Sort: Departure (Earliest)
      • LHR21:25
        25h 15m
        1 stop
        IAD17:40
        London - Washington D.C.|Wed, May 15|Icelandair
        NZD 474NZD 963
        51% OFF
        51% OFF
        NZD 963NZD 474
      • LHR07:40
        15h
        1 stop
        IAD17:40
        London - Washington D.C.|Fri, May 17|British Airways
        NZD 508NZD 963
        47% OFF
        47% OFF
        NZD 963NZD 508
      • LHR07:40
        15h
        1 stop
        IAD17:40
        London - Washington D.C.|Thu, May 9|British Airways
        NZD 529NZD 963
        45% OFF
        45% OFF
        NZD 963NZD 529
      • LHR21:25
        25h 15m
        1 stop
        IAD17:40
        London - Washington D.C.|Tue, May 7|Icelandair
        NZD 530
        NZD 530
      • LHR07:55
        14h 45m
        1 stop
        IAD17:40
        London - Washington D.C.|Wed, Jun 5|British Airways
        NZD 569
        NZD 569
      • LHR06:45
        15h 55m
        2 stops
        IAD17:40
        London - Washington D.C.|Thu, Jun 6|Aer Lingus
        NZD 593
        NZD 593
      • LHR21:25
        25h 15m
        1 stop
        IAD17:40
        London - Washington D.C.|Sun, May 19|Icelandair
        NZD 652
        NZD 652
      • LHR06:45
        15h 55m
        2 stops
        IAD17:40
        London - Washington D.C.|Thu, May 9|Aer Lingus
        NZD 662
        NZD 662
      • LHR07:15
        15h 25m
        1 stop
        IAD17:40
        London - Washington D.C.|Tue, May 14|British Airways
        NZD 687
        NZD 687
      • LHR07:55
        14h 45m
        1 stop
        IAD17:40
        London - Washington D.C.|Wed, May 15|British Airways
        NZD 688
        NZD 688
      • LHR13:00
        3h 5m
        Direct
        IAD14:00
        London - Washington D.C.|Sat, May 11|Icelandair
        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 London Heathrow Airport to Dulles International Airport

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

Icelandair
From NZD 474
British Airways
From NZD 508
Eurowings
From NZD 524
Aer Lingus
From NZD 593
TAP Air Portugal
From NZD 788
Vueling Airlines
From NZD 890
KLM
From NZD 931
Royal Air Maroc
From NZD 1,040
Virgin Atlantic
From NZD 1,065
Air Canada
From NZD 1,066
ANA airlines
Find more flights and airlines

Find Cheaper Flights from London to Washington D.C.

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

  • Cheapest
    easyJet
    LGW
    06:00
    16h 40m
    1 transfer
    IAD
    17:40
    London Gatwick Airport - Dulles International Airport
    Wed, May 15easyJet
    NZD 398
  • easyJet
    LTN
    06:15
    16h 25m
    1 transfer
    IAD
    17:40
    London Luton Airport - Dulles International Airport
    Wed, May 8easyJet
    NZD 428
  • easyJet
    LTN
    06:15
    16h 25m
    1 transfer
    IAD
    17:40
    London Luton Airport - Dulles International Airport
    Wed, May 8easyJet
    NZD 428
    Find More Flights
Flight Schedule from London Heathrow Airport to Dulles International Airport

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

Flight info.
Departure
Arrival
Weekly Schedule

  1. EI149

    Aer Lingus

    06:45

    LHR

    1.3h

    08:05

    DUB

    SMTWT-S
    Search

  2. OG881

    PLAY Airline

    11:35

    DUB

    2.7h

    13:15

    KEF

    S-TWT-S

  3. OG141

    PLAY Airline

    15:00

    KEF

    6.7h

    17:40

    IAD

    S-TWTFS

  4. BA800

    British Airways

    07:40

    LHR

    3.1h

    09:45

    KEF

    SMTWTFS
    Search

  5. FI645

    Icelandair

    16:50

    KEF

    6.4h

    19:15

    IAD

    SMTWTFS

  6. BA800

    British Airways

    07:40

    LHR

    3.1h

    09:45

    KEF

    SMTWTFS
    Search

  7. OG141

    PLAY Airline

    15:00

    KEF

    6.7h

    17:40

    IAD

    S-TWTFS

  8. KL1002

    KLM

    08:40

    LHR

    1.3h

    11:00

    AMS

    SMTWTFS
    Search

  9. OG461

    PLAY Airline

    12:30

    AMS

    3.3h

    13:50

    KEF

    SMTWTFS

  10. OG141

    PLAY Airline

    15:00

    KEF

    6.7h

    17:40

    IAD

    S-TWTFS

  11. EI155

    Aer Lingus

    09:50

    LHR

    1.4h

    11:15

    DUB

    SMTWTFS
    Search

  12. FI417

    Icelandair

    12:15

    DUB

    2.7h

    13:55

    KEF

    SMTWTFS

  13. FI645

    Icelandair

    16:50

    KEF

    6.4h

    19:15

    IAD

    SMTWTFS

  14. FI451

    Icelandair

    13:05

    LHR

    3.2h

    15:15

    KEF

    SMTWTFS
    Search

  15. FI645

    Icelandair

    16:50

    KEF

    6.4h

    19:15

    IAD

    SMTWTFS

  16. EI167

    Aer Lingus

    15:50

    LHR

    1.4h

    17:15

    DUB

    SMTWTFS
    Search

  17. TP1325

    TAP Air Portugal

    18:50

    DUB

    3.0h

    21:50

    LIS

    SM-WT-S

  18. TP231

    TAP Air Portugal

    14:25

    LIS

    8.3h

    17:45

    IAD

    -M-WTF-

  19. EI179

    Aer Lingus

    20:10

    LHR

    1.3h

    21:30

    DUB

    SMTWTFS
    Search

  20. OG881

    PLAY Airline

    11:35

    DUB

    2.7h

    13:15

    KEF

    S-TWT-S

  21. OG141

    PLAY Airline

    15:00

    KEF

    6.7h

    17:40

    IAD

    S-TWTFS

  22. FI455

    Icelandair

    21:25

    LHR

    3.3h

    23:40

    KEF

    SMTWTFS
    Search

  23. OG141

    PLAY Airline

    15:00

    KEF

    6.7h

    17:40

    IAD

    S-TWTFS

  24. EI181

    Aer Lingus

    22:00

    LHR

    1.2h

    23:10

    DUB

    ------S
    Search

  25. OG881

    PLAY Airline

    11:35

    DUB

    2.7h

    13:15

    KEF

    S-TWT-S

  26. OG141

    PLAY Airline

    15:00

    KEF

    6.7h

    17:40

    IAD

    S-TWTFS
Find more flights and airlines

London Heathrow Airport to Dulles International Airport Flights Info

Flight distance5,907.82km
Cheapest one-way ticket priceNZD 473
Cheapest return ticket priceNZD 977

FAQs for London Heathrow Airport to Dulles International Airport Flights

  • How long is a flight from London Heathrow Airport to Dulles International Airport?

    It takes around 8 hours 2 minutes to fly from London Heathrow Airport (LHR) to Dulles International Airport (IAD).

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

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

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

    Tickets cost around NZD 3,015 in July, making it the cheapest month to book. London Heathrow Airport (LHR) to Dulles International Airport (IAD) is a popular route, so don't forget to book your tickets in advance.

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

    The route from London Heathrow Airport (LHR) to Dulles International Airport (IAD) is quite popular. Without considering departure times or holidays, tickets cost around NZD 4,033 in May, the most expensive month to book this route.

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

    The earliest flight departs from London Heathrow Airport (LHR) at 07:10 and arrives in Dulles International Airport (IAD) at 11:00.

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

    The latest flight departs from London Heathrow Airport (LHR) at 17:35 and arrives in Dulles International Airport (IAD) at 20:35.

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

    Finnair is a very popular airline operating an average of 2199 flights per month.

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