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Dulles International Airport to Heathrow Airport flight

Explore the cheapest one-way and round-trip flights from Dulles International Airport to Heathrow Airport over the next 90 days, with one-way fares from SEK 2,569 and round-trip from SEK 5,386. Based on Trip.com's latest 7-day flight data.

      • Cheapest nonstop
        IAD 7:05 PM
        7h 10m
        Nonstop
        LHR 6:15 AM
        Washington D.C. - London | Wed, Oct 28 | British Airways
        LHR 12:15 PM
        8h 25m
        Nonstop
        IAD 3:40 PM
        London - Washington D.C. | Wed, Nov 4 | British Airways
        SEK 7,328 SEK 10,329
        28% off
        28% off
        SEK 10,329 SEK 7,328
      • IAD 7:05 PM
        7h 10m
        Nonstop
        LHR 6:15 AM
        Washington D.C. - London | Tue, Oct 27 | British Airways
        LHR 4:25 PM
        8h 30m
        Nonstop
        IAD 7:55 PM
        London - Washington D.C. | Tue, Nov 3 | British Airways
        SEK 7,333 SEK 10,329
        28% off
        28% off
        SEK 10,329 SEK 7,333
      • IAD 8:30 PM
        14h 30m
        1 stop
        LHR 4:00 PM
        Washington D.C. - London | Thu, Nov 5 | Scandinavian Airlines
        LHR 10:20 AM
        11h 55m
        1 stop
        IAD 5:15 PM
        London - Washington D.C. | Mon, Nov 9 | Scandinavian Airlines
        SEK 5,386 SEK 10,329
        48% off
        48% off
        SEK 10,329 SEK 5,386
      • IAD 8:20 PM
        20h 20m
        1 stop
        LHR 9:40 PM
        Washington D.C. - London | Sat, Oct 10 | Scandinavian Airlines
        LHR 6:40 AM
        15h 20m
        1 stop
        IAD 5:00 PM
        London - Washington D.C. | Sat, Oct 17 | Scandinavian Airlines
        SEK 5,386
        48% off
        SEK 10,329 SEK 5,386
      • IAD 9:30 PM
        14h 30m
        1 stop
        LHR 4:00 PM
        Washington D.C. - London | Wed, Oct 28 | Scandinavian Airlines
        LHR 10:20 AM
        11h 55m
        1 stop
        IAD 5:15 PM
        London - Washington D.C. | Wed, Nov 4 | Scandinavian Airlines
        SEK 5,388
        48% off
        SEK 10,329 SEK 5,388
      • IAD 8:30 PM
        31h 50m
        1 stop
        LHR 9:20 AM
        Washington D.C. - London | Thu, Nov 12 | Scandinavian Airlines
        LHR 7:30 PM
        26h 45m
        1 stop
        IAD 5:15 PM
        London - Washington D.C. | Tue, Nov 17 | Scandinavian Airlines
        SEK 5,389
        48% off
        SEK 10,329 SEK 5,389
      • IAD 8:30 PM
        14h 30m
        1 stop
        LHR 4:00 PM
        Washington D.C. - London | Mon, Nov 9 | Scandinavian Airlines
        LHR 10:20 AM
        13h 30m
        1 stop
        IAD 6:50 PM
        London - Washington D.C. | Sat, Nov 14 | Scandinavian Airlines
        SEK 5,397
        48% off
        SEK 10,329 SEK 5,397
      • IAD 8:30 PM
        14h 30m
        1 stop
        LHR 4:00 PM
        Washington D.C. - London | Sat, Nov 7 | Scandinavian Airlines
        LHR 7:30 PM
        28h 20m
        1 stop
        IAD 6:50 PM
        London - Washington D.C. | Fri, Nov 13 | Scandinavian Airlines
        SEK 5,397
        48% off
        SEK 10,329 SEK 5,397
      • IAD 8:30 PM
        14h 30m
        1 stop
        LHR 4:00 PM
        Washington D.C. - London | Mon, Nov 2 | Scandinavian Airlines
        LHR 10:20 AM
        11h 55m
        1 stop
        IAD 5:15 PM
        London - Washington D.C. | Mon, Nov 9 | Scandinavian Airlines
        SEK 5,397
        48% off
        SEK 10,329 SEK 5,397
      • IAD 8:30 PM
        14h 30m
        1 stop
        LHR 4:00 PM
        Washington D.C. - London | Wed, Nov 11 | Scandinavian Airlines
        LHR 10:20 AM
        11h 55m
        1 stop
        IAD 5:15 PM
        London - Washington D.C. | Mon, Nov 16 | Scandinavian Airlines
        SEK 5,397
        48% off
        SEK 10,329 SEK 5,397
      • IAD 8:20 PM
        14h 40m
        1 stop
        LHR 4:00 PM
        Washington D.C. - London | Sun, Oct 18 | Scandinavian Airlines
        LHR 6:40 AM
        15h 20m
        1 stop
        IAD 5:00 PM
        London - Washington D.C. | Fri, Oct 23 | Scandinavian Airlines
        SEK 5,397
        48% off
        SEK 10,329 SEK 5,397
      • IAD 8:20 PM
        14h 40m
        1 stop
        LHR 4:00 PM
        Washington D.C. - London | Sat, Oct 17 | Scandinavian Airlines
        LHR 10:20 AM
        11h 40m
        1 stop
        IAD 5:00 PM
        London - Washington D.C. | Thu, Oct 22 | Scandinavian Airlines
        SEK 5,397
        48% off
        SEK 10,329 SEK 5,397
      • IAD 8:20 PM
        12h 15m
        1 stop
        LHR 1:35 PM
        Washington D.C. - London | Fri, Oct 16 | Scandinavian Airlines
        LHR 7:30 PM
        26h 30m
        1 stop
        IAD 5:00 PM
        London - Washington D.C. | Wed, Oct 21 | Scandinavian Airlines
        SEK 5,397
        48% off
        SEK 10,329 SEK 5,397
      • IAD 8:20 PM
        14h 40m
        1 stop
        LHR 4:00 PM
        Washington D.C. - London | Thu, Oct 15 | Scandinavian Airlines
        LHR 7:30 PM
        26h 30m
        1 stop
        IAD 5:00 PM
        London - Washington D.C. | Wed, Oct 21 | Scandinavian Airlines
        SEK 5,397
        48% off
        SEK 10,329 SEK 5,397
      • WAS 1:00 PM
        17h 25m
        1 stop
        LON 2:00 PM
        Washington D.C. - London | Sat, Sep 26 | Normal Airline
        LON 3:00 PM
        6h
        Nonstop
        WAS 4:00 PM
        London - Washington D.C. | Mon, Sep 28 | Normal Airline
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      • Cheapest nonstop
        IAD 6:55 PM
        7h 25m
        Nonstop
        LHR 7:20 AM
        Washington D.C. - London | Sun, Nov 8 | Virgin Atlantic
        SEK 3,178 SEK 4,503
        28% off
        28% off
        SEK 4,503 SEK 3,178
      • IAD 6:55 PM
        7h 25m
        Nonstop
        LHR 7:20 AM
        Washington D.C. - London | Sun, Nov 8 | Delta Air Lines
        SEK 3,197 SEK 4,503
        28% off
        28% off
        SEK 4,503 SEK 3,197
      • IAD 8:30 PM
        10h 25m
        1 stop
        LHR 11:55 AM
        Washington D.C. - London | Tue, Oct 6 | Icelandair
        SEK 2,569 SEK 4,503
        43% off
        43% off
        SEK 4,503 SEK 2,569
      • IAD 11:20 PM
        16h
        1 stop
        LHR 8:20 PM
        Washington D.C. - London | Thu, Nov 5 | Icelandair
        SEK 2,727
        39% off
        SEK 4,503 SEK 2,727
      • IAD 8:30 PM
        18h 50m
        1 stop
        LHR 8:20 PM
        Washington D.C. - London | Wed, Oct 7 | Icelandair
        SEK 2,800
        38% off
        SEK 4,503 SEK 2,800
      • IAD 8:30 PM
        18h 50m
        1 stop
        LHR 8:20 PM
        Washington D.C. - London | Wed, Oct 21 | Icelandair
        SEK 2,812
        38% off
        SEK 4,503 SEK 2,812
      • IAD 8:30 PM
        10h 25m
        1 stop
        LHR 11:55 AM
        Washington D.C. - London | Tue, Nov 3 | Icelandair
        SEK 2,823
        37% off
        SEK 4,503 SEK 2,823
      • IAD 8:30 PM
        18h 50m
        1 stop
        LHR 8:20 PM
        Washington D.C. - London | Fri, Nov 6 | Icelandair
        SEK 2,826
        37% off
        SEK 4,503 SEK 2,826
      • IAD 8:40 PM
        18h 50m
        1 stop
        LHR 7:30 PM
        Washington D.C. - London | Mon, Nov 16 | Icelandair
        SEK 2,847
        37% off
        SEK 4,503 SEK 2,847
      • IAD 8:40 PM
        10h 10m
        1 stop
        LHR 10:50 AM
        Washington D.C. - London | Sun, Nov 22 | Icelandair
        SEK 2,849
        37% off
        SEK 4,503 SEK 2,849
      • IAD 11:20 PM
        16h
        1 stop
        LHR 8:20 PM
        Washington D.C. - London | Mon, Nov 2 | Icelandair
        SEK 2,852
        37% off
        SEK 4,503 SEK 2,852
      • IAD 8:40 PM
        10h 10m
        1 stop
        LHR 10:50 AM
        Washington D.C. - London | Fri, Nov 20 | Icelandair
        SEK 2,852
        37% off
        SEK 4,503 SEK 2,852
      • IAD 8:30 PM
        18h 50m
        1 stop
        LHR 8:20 PM
        Washington D.C. - London | Wed, Oct 28 | Icelandair
        SEK 2,860
        36% off
        SEK 4,503 SEK 2,860
      • IAD 8:30 PM
        10h 25m
        1 stop
        LHR 11:55 AM
        Washington D.C. - London | Sun, Nov 1 | Icelandair
        SEK 2,866
        36% off
        SEK 4,503 SEK 2,866
      • WAS 1:00 PM
        17h 25m
        1 stop
        LON 2:00 PM
        Washington D.C. - London | Sat, Sep 26 | Normal Airline
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Flight fares from Dulles International Airport to Heathrow Airport are based on average airline prices for the next 3 months, according to Trip.com’s latest data.

Trip.com Price Insights: Flights from Dulles International Airport to Heathrow Airport

Which month has the lowest one-way flight price from Dulles International Airport to Heathrow Airport?

The data is based on the average one-way flight prices on Trip.com for flights from Dulles International Airport to Heathrow Airport across different months over the past 12 months.

Based on Trip.com data from the past 12 months, if you’re looking for low one-way flight fares from Dulles International Airport to Heathrow Airport, the best time to book is in October, with an average price of SEK 5,015. Try to avoid June, when prices are highest, averaging around SEK 9,877.

SEK 9,877
SEK 7,446
SEK 5,015
SEK 2,584
    Cheapest
  • SEK 5,684
    Sep
  • SEK 5,015
    Oct
  • SEK 5,214
    Nov
  • SEK 6,807
    Dec
  • SEK 5,320
    Jan
  • SEK 5,327
    Feb
  • SEK 5,951
    Mar
  • SEK 6,290
    Apr
  • SEK 7,839
    May
  • SEK 9,877
    Jun
  • SEK 5,611
    Jul
  • SEK 5,586
    Aug

What is the cheapest day of the week to fly from Dulles International Airport to Heathrow Airport?

The data is based on the average flight prices on Trip.com from Dulles International Airport to Heathrow Airport across different days of the week over the past 12 months.

Based on Trip.com data from the past 12 months, the cheapest day to depart from Dulles International Airport to Heathrow Airport is usually Sunday, with average fares typically lower than other days. Try to avoid departing on Saturday, as prices are usually the highest on that day.

SEK 7,015
SEK 5,892
SEK 4,768
SEK 3,645
    Cheapest
  • SEK 6,774
    Mon
  • SEK 5,903
    Tue
  • SEK 5,996
    Wed
  • SEK 6,053
    Thu
  • SEK 6,445
    Fri
  • SEK 7,015
    Sat
  • SEK 4,768
    Sun

Which airline offers the cheapest flights from Dulles International Airport to Heathrow Airport?

The cheapest airline flying from Dulles International Airport to Heathrow Airport is Icelandair (from SEK 2,775) among 10 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Icelandair
From SEK 2,775
ITA Airways
From SEK 2,943
Virgin Atlantic
From SEK 3,118
Air Canada
From SEK 3,141
United Airlines
From SEK 3,188
Delta Air Lines
From SEK 3,197
American Airlines
From SEK 3,298
Iberia
From SEK 3,305
British Airways
From SEK 3,311
KLM
From SEK 3,333

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What is the flight schedule from Dulles International Airport to 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. FI644

    Dulles International Airport

    8:30 PM

    IAD

    5h 55m

    Nonstop

    6:25 AM

    KEF

    S M - W T F -
    Search

  2. FI450

    Keflavík International Airport

    7:40 AM

    KEF

    3h 15m

    Nonstop

    11:55 AM

    LHR

    S M T W T F S

  3. VS4471

    Dulles International Airport

    4:00 PM

    IAD

    1h 56m

    Nonstop

    5:56 PM

    ATL

    S M T W T F S
    Search

  4. VS4044

    Hartsfield–Jackson Atlanta International Airport

    5:05 PM

    ATL

    8h 20m

    Nonstop

    6:25 AM

    LHR

    S M T W T F S

  5. AC8724

    Dulles International Airport

    9:55 AM

    IAD

    1h 38m

    Nonstop

    11:33 AM

    YUL

    S M T W T F S
    Search

  6. AC864

    Montréal-Pierre Elliott Trudeau International Airport

    6:40 PM

    YUL

    6h 50m

    Nonstop

    6:30 AM

    LHR

    S M T W T F S

  7. AZ619

    Dulles International Airport

    4:45 PM

    IAD

    8h 45m

    Nonstop

    7:30 AM

    FCO

    S M - W - F S
    Search

  8. AZ204

    Leonardo da Vinci–Fiumicino Airport

    1:50 PM

    FCO

    2h 50m

    Nonstop

    3:40 PM

    LHR

    S M T W T F S

  9. FI644

    Dulles International Airport

    8:30 PM

    IAD

    5h 55m

    Nonstop

    6:25 AM

    KEF

    S M - W T F -
    Search

  10. FI454

    Keflavík International Airport

    4:10 PM

    KEF

    3h 10m

    Nonstop

    8:20 PM

    LHR

    S M T W T F S

  11. FI644

    Dulles International Airport

    8:30 PM

    IAD

    5h 55m

    Nonstop

    6:25 AM

    KEF

    S M - W T F -
    Search

  12. FI204

    Keflavík International Airport

    7:40 AM

    KEF

    3h 15m

    Nonstop

    12:55 PM

    CPH

    S M T W T F S

  13. SK1501

    Copenhagen Airport

    8:40 PM

    CPH

    2h

    Nonstop

    9:40 PM

    LHR

    S M T W T - S

  14. FI648

    Dulles International Airport

    11:20 PM

    IAD

    5h 50m

    Nonstop

    9:10 AM

    KEF

    - - T - T - S
    Search

  15. FI450

    Keflavík International Airport

    7:40 AM

    KEF

    3h 15m

    Nonstop

    11:55 AM

    LHR

    S M T W T F S

  16. FI644

    Dulles International Airport

    8:30 PM

    IAD

    5h 55m

    Nonstop

    6:25 AM

    KEF

    S M - W T F -
    Search

  17. FI216

    Keflavík International Airport

    4:30 PM

    KEF

    3h 15m

    Nonstop

    9:45 PM

    CPH

    S M T W T F S

  18. SK1501

    Copenhagen Airport

    8:40 PM

    CPH

    2h

    Nonstop

    9:40 PM

    LHR

    S M T W T - S
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About Dulles International Airport and Heathrow Airport

Learn about Dulles International Airport (IAD) and Heathrow Airport (LHR) — including location, terminals, transportation, and travel tips.

Flight distance 5,907.82 km
Cheapest one-way ticket price SEK 2,569
Cheapest return ticket price SEK 5,386

FAQs for Dulles International Airport to Heathrow Airport Flights

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

    Dulles International Airport to Heathrow Airport takes about 6 hours 43 minutes on average. Actual flight time may vary depending on route, weather and air traffic.
  • There are around 16 daily flights from Dulles International Airport (IAD) to Heathrow Airport (LHR).
  • The earliest flight from Dulles International Airport to Heathrow Airport departs at 17:45, and the last departs at 22:25, with about 7 flights per day. Flight times may change, so please check the latest departure and arrival times before you travel.
  • The route from Dulles International Airport (IAD) to Heathrow Airport (LHR) is quite popular. Without considering departure times or holidays, tickets cost around SEK 6,499 in December, the most expensive month to book this route.
    • The distance from London Gatwick Airport to downtown is about 39 km. It takes about 50 minutes by taxi.
    • The distance from Heathrow Airport to downtown is about 23 km. It takes about 40 minutes by taxi.
    • The distance from London Luton Airport to downtown is about 44 km. It takes about 1 hour by taxi.
  • British Airways is a very popular airline operating an average of 5126 flights per month.
  • One-way flights from Dulles International Airport to Heathrow Airport currently start from SEK 2,569, and round-trip fares start from SEK 5,386. The current lowest fare is a Icelandair flight departing on Tue, Oct 6; prices may vary depending on availability.
  • Yes. British Airways, United Airlines and Virgin Atlantic operate direct flights from Dulles International Airport to Heathrow Airport, with an average flight time of 6 hours 39 minutes, and around 41 weekly flights. Actual flight frequency may vary by season.
  • Based on Trip.com flight data for departures within the next 30 days with at most one stop, the average one-way price from Dulles International Airport to Heathrow Airport is SEK 5,381. Prices may vary depending on the departure date, airline, and availability.
  • Dulles International Airport to Heathrow Airport operates around 42 weekly flights, mainly by British Airways, United Airlines and Virgin Atlantic. Actual frequency may vary during holidays and seasonal schedule adjustments.
  • Enter Dulles International Airport and Heathrow Airport, select your departure date and number of passengers, then compare flights by price, flight duration, and baggage allowance. Once you've chosen a fare, review the change and refund rules, fill in passenger details, and pay to receive your booking confirmation.

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Note: Prices shown on this page are the lowest estimated prices found in the last 24 hours and include all taxes and fees.

Book with no extra fees

Prices displayed on this page are all-inclusive (incl. taxes, fuel surcharges, Civil Aviation Development Fund, etc.), and all fees are clearly shown before payment. Charges for checked baggage, onboard meals, Wi-Fi, and other optional services may also appear in the flight cards where applicable.

Real-time pricing updates

Prices, availability, and travel information on this page have been updated within the last 24 hours, and for many routes the data may refresh in real time. The more popular the route, the more accurate and up-to-date the data.

Change & Cancellation Policy

Trip.com shows the change and cancellation rules for each ticket during the booking process, including all related fees and conditions. Please refer to the following scenarios:
Voluntary cancellation/change:
To request a change or cancellation, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and flight segment, and submit your request. Please note that additional charges may apply based on the airline’s fare rules.
Cancellation/change due to a flight schedule change:
If your flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For full details of change and cancellation policies, please refer to the customer support pages.