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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 PLN 1,076 and round-trip from PLN 2,089. 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
        PLN 2,842 PLN 4,006
        28% off
        28% off
        PLN 4,006 PLN 2,842
      • 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
        PLN 2,844 PLN 4,006
        28% off
        28% off
        PLN 4,006 PLN 2,844
      • 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
        PLN 2,089 PLN 4,006
        48% off
        48% off
        PLN 4,006 PLN 2,089
      • 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
        PLN 2,089
        48% off
        PLN 4,006 PLN 2,089
      • 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
        PLN 2,090
        48% off
        PLN 4,006 PLN 2,090
      • 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
        PLN 2,090
        48% off
        PLN 4,006 PLN 2,090
      • 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
        PLN 2,093
        48% off
        PLN 4,006 PLN 2,093
      • 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
        PLN 2,093
        48% off
        PLN 4,006 PLN 2,093
      • 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
        PLN 2,093
        48% off
        PLN 4,006 PLN 2,093
      • 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
        PLN 2,093
        48% off
        PLN 4,006 PLN 2,093
      • 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
        PLN 2,093
        48% off
        PLN 4,006 PLN 2,093
      • 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
        PLN 2,093
        48% off
        PLN 4,006 PLN 2,093
      • 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
        PLN 2,093
        48% off
        PLN 4,006 PLN 2,093
      • 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
        PLN 2,093
        48% off
        PLN 4,006 PLN 2,093
      • 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
        PLN 1,233 PLN 1,747
        28% off
        28% off
        PLN 1,747 PLN 1,233
      • IAD 6:55 PM
        7h 25m
        Nonstop
        LHR 7:20 AM
        Washington D.C. - London | Sun, Nov 8 | Delta Air Lines
        PLN 1,240 PLN 1,747
        28% off
        28% off
        PLN 1,747 PLN 1,240
      • IAD 7:40 PM
        10h 10m
        1 stop
        LHR 10:50 AM
        Washington D.C. - London | Sun, Nov 8 | Icelandair
        PLN 1,076 PLN 1,747
        38% off
        38% off
        PLN 1,747 PLN 1,076
      • IAD 8:40 PM
        18h 50m
        1 stop
        LHR 7:30 PM
        Washington D.C. - London | Sun, Oct 25 | Icelandair
        PLN 1,104
        37% off
        PLN 1,747 PLN 1,104
      • IAD 8:40 PM
        10h 10m
        1 stop
        LHR 10:50 AM
        Washington D.C. - London | Sat, Oct 31 | Icelandair
        PLN 1,105
        37% off
        PLN 1,747 PLN 1,105
      • IAD 8:40 PM
        10h 10m
        1 stop
        LHR 10:50 AM
        Washington D.C. - London | Thu, Oct 29 | Icelandair
        PLN 1,106
        37% off
        PLN 1,747 PLN 1,106
      • IAD 7:40 PM
        10h 10m
        1 stop
        LHR 10:50 AM
        Washington D.C. - London | Sun, Nov 15 | Icelandair
        PLN 1,110
        36% off
        PLN 1,747 PLN 1,110
      • IAD 7:40 PM
        10h 10m
        1 stop
        LHR 10:50 AM
        Washington D.C. - London | Tue, Nov 17 | Icelandair
        PLN 1,113
        36% off
        PLN 1,747 PLN 1,113
      • IAD 7:40 PM
        18h 50m
        1 stop
        LHR 7:30 PM
        Washington D.C. - London | Mon, Nov 16 | Icelandair
        PLN 1,138
        35% off
        PLN 1,747 PLN 1,138
      • IAD 7:40 PM
        18h 50m
        1 stop
        LHR 7:30 PM
        Washington D.C. - London | Fri, Nov 13 | Icelandair
        PLN 1,138
        35% off
        PLN 1,747 PLN 1,138
      • IAD 7:40 PM
        18h 50m
        1 stop
        LHR 7:30 PM
        Washington D.C. - London | Mon, Nov 9 | Icelandair
        PLN 1,138
        35% off
        PLN 1,747 PLN 1,138
      • IAD 8:30 PM
        18h 50m
        1 stop
        LHR 8:20 PM
        Washington D.C. - London | Tue, Oct 13 | Icelandair
        PLN 1,139
        35% off
        PLN 1,747 PLN 1,139
      • IAD 7:40 PM
        18h 50m
        1 stop
        LHR 7:30 PM
        Washington D.C. - London | Fri, Nov 6 | Icelandair
        PLN 1,140
        35% off
        PLN 1,747 PLN 1,140
      • IAD 7:40 PM
        18h 50m
        1 stop
        LHR 7:30 PM
        Washington D.C. - London | Mon, Nov 2 | Icelandair
        PLN 1,140
        35% off
        PLN 1,747 PLN 1,140
      • 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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Displayed flight fares from Dulles International Airport to Heathrow Airport are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

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

What is the cheapest month for one-way flights from Dulles International Airport to Heathrow Airport?

Data is based on average one-way flight prices from Dulles International Airport to Heathrow Airport in Trip.com's database over the past 12 months.

Based on Trip.com’s data from the past 12 months, if you’re looking for a low-cost one-way ticket from Dulles International Airport to Heathrow Airport, the best time to buy is in October, with an average price of PLN 1,945. You’ll want to avoid June, when the average price can reach as high as PLN 3,831.

PLN 3,831
PLN 2,888
PLN 1,945
PLN 1,002
    Cheapest
  • PLN 2,204
    Sep
  • PLN 1,945
    Oct
  • PLN 2,022
    Nov
  • PLN 2,640
    Dec
  • PLN 2,063
    Jan
  • PLN 2,066
    Feb
  • PLN 2,308
    Mar
  • PLN 2,439
    Apr
  • PLN 3,040
    May
  • PLN 3,831
    Jun
  • PLN 2,176
    Jul
  • PLN 2,167
    Aug

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

The data is based on the past 12 months and shows the average ticket prices from Dulles International Airport to Heathrow Airport for each day of the week in the Trip.com database.

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

PLN 2,721
PLN 2,285
PLN 1,849
PLN 1,413
    Cheapest
  • PLN 2,627
    Mon
  • PLN 2,290
    Tue
  • PLN 2,325
    Wed
  • PLN 2,348
    Thu
  • PLN 2,500
    Fri
  • PLN 2,721
    Sat
  • PLN 1,849
    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 PLN 1,076) among 10 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Icelandair
From PLN 1,076
ITA Airways
From PLN 1,142
Virgin Atlantic
From PLN 1,209
Air Canada
From PLN 1,218
United Airlines
From PLN 1,237
Delta Air Lines
From PLN 1,240
American Airlines
From PLN 1,279
Iberia
From PLN 1,282
British Airways
From PLN 1,284
KLM
From PLN 1,293

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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

    Reykjavik Keflavik 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

    Montreal Pierre Elliott Trudeau 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

    Fiumicino Leonardo Da Vinci Intl. 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

    Reykjavik Keflavik 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

    Reykjavik Keflavik 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

    Reykjavik Keflavik 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

    Reykjavik Keflavik 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 PLN 1,076
Cheapest return ticket price PLN 2,089

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 PLN 2,521 in December, the most expensive month to book this route.
  • The earliest flight departs from Dulles International Airport (IAD) at 08:30 and arrives in Heathrow Airport (LHR) at 20:55.
  • The latest flight departs from Dulles International Airport (IAD) at 21:45 and arrives in Heathrow Airport (LHR) at 10:00.
    • 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 PLN 1,076, and round-trip fares start from PLN 2,089. The current lowest fare is a Icelandair flight departing on Sun, Nov 8; 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 PLN 2,087. 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.

Popular Destinations

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

Book with no extra fees

Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, WLAN, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page were updated within last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy.
Cancellation/change due to a flight schedule change:
If the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.