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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 2,859 and round-trip from SEK 5,141. Based on Trip.com's latest 7-day flight data.

    • Cheapest nonstop
      IAD 19:05
      7h 10m
      LHR 06:15
      Washington D.C. - London | Wed, Oct 28 | British Airways
      LHR 12:15
      8h 25m
      IAD 15:40
      London - Washington D.C. | Wed, Nov 4 | British Airways
      SEK 7,358 SEK 10,371
      28% off
      28% off
      SEK 10,371 SEK 7,358
    • IAD 19:05
      7h 10m
      LHR 06:15
      Washington D.C. - London | Tue, Oct 27 | British Airways
      LHR 16:25
      8h 30m
      IAD 19:55
      London - Washington D.C. | Tue, Nov 3 | British Airways
      SEK 7,363 SEK 10,371
      28% off
      28% off
      SEK 10,371 SEK 7,363
    • IAD 20:30
      14h 30m
      LHR 16:00
      Washington D.C. - London | Wed, Nov 18 | Scandinavian Airlines
      LHR 18:40
      27h 35m
      IAD 17:15
      London - Washington D.C. | Tue, Nov 24 | Scandinavian Airlines
      SEK 5,141 SEK 10,371
      50% off
      50% off
      SEK 10,371 SEK 5,141
    • IAD 20:30
      14h 30m
      LHR 16:00
      Washington D.C. - London | Fri, Nov 13 | Scandinavian Airlines
      LHR 10:20
      11h 55m
      IAD 17:15
      London - Washington D.C. | Fri, Nov 20 | Scandinavian Airlines
      SEK 5,236
      50% off
      SEK 10,371 SEK 5,236
    • IAD 20:30
      14h 30m
      LHR 16:00
      Washington D.C. - London | Mon, Dec 7 | Scandinavian Airlines
      LHR 06:40
      17h 10m
      IAD 18:50
      London - Washington D.C. | Mon, Dec 14 | Scandinavian Airlines
      SEK 5,324
      49% off
      SEK 10,371 SEK 5,324
    • IAD 20:30
      14h 30m
      LHR 16:00
      Washington D.C. - London | Fri, Nov 6 | Scandinavian Airlines
      LHR 10:20
      11h 55m
      IAD 17:15
      London - Washington D.C. | Fri, Nov 13 | Scandinavian Airlines
      SEK 5,337
      49% off
      SEK 10,371 SEK 5,337
    • IAD 20:30
      14h 30m
      LHR 16:00
      Washington D.C. - London | Sat, Nov 14 | Scandinavian Airlines
      LHR 10:20
      11h 55m
      IAD 17:15
      London - Washington D.C. | Sat, Nov 21 | Scandinavian Airlines
      SEK 5,361
      48% off
      SEK 10,371 SEK 5,361
    • IAD 20:30
      16h 10m
      LHR 17:40
      Washington D.C. - London | Mon, Nov 16 | Scandinavian Airlines
      LHR 10:20
      13h 30m
      IAD 18:50
      London - Washington D.C. | Mon, Nov 23 | Scandinavian Airlines
      SEK 5,399
      48% off
      SEK 10,371 SEK 5,399
    • IAD 20:30
      14h 30m
      LHR 16:00
      Washington D.C. - London | Sat, Nov 7 | Scandinavian Airlines
      LHR 10:20
      11h 55m
      IAD 17:15
      London - Washington D.C. | Wed, Nov 11 | Scandinavian Airlines
      SEK 5,408
      48% off
      SEK 10,371 SEK 5,408
    • WAS 13:00
      17h 25m
      1 stop
      LON 14:00
      Washington D.C. - London | Mon, Oct 19 | Normal Airline
      LON 15:00
      6h
      Direct
      WAS 16:00
      London - Washington D.C. | Wed, Oct 21 | Normal Airline
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    • Cheapest
      IAD 20:40
      18h 50m
      1 stop
      LHR 19:30
      Washington D.C. - London | Sun, Oct 25 | Icelandair
      SEK 2,859 SEK 4,508
      37% off
      37% off
      SEK 4,508 SEK 2,859
    • Cheapest
      IAD 19:40
      10h 10m
      1 stop
      LHR 10:50
      Washington D.C. - London | Sun, Nov 1 | Icelandair
      SEK 2,859 SEK 4,508
      37% off
      37% off
      SEK 4,508 SEK 2,859
    • IAD 20:40
      10h 10m
      1 stop
      LHR 10:50
      Washington D.C. - London | Sat, Oct 31 | Icelandair
      SEK 2,860 SEK 4,508
      37% off
      37% off
      SEK 4,508 SEK 2,860
    • IAD 19:40
      18h 50m
      1 stop
      LHR 19:30
      Washington D.C. - London | Sat, Nov 28 | Icelandair
      SEK 2,860
      37% off
      SEK 4,508 SEK 2,860
    • IAD 20:40
      10h 10m
      1 stop
      LHR 10:50
      Washington D.C. - London | Thu, Oct 29 | Icelandair
      SEK 2,863
      36% off
      SEK 4,508 SEK 2,863
    • IAD 19:40
      10h 10m
      1 stop
      LHR 10:50
      Washington D.C. - London | Sun, Nov 15 | Icelandair
      SEK 2,872
      36% off
      SEK 4,508 SEK 2,872
    • IAD 19:40
      10h 10m
      1 stop
      LHR 10:50
      Washington D.C. - London | Tue, Nov 17 | Icelandair
      SEK 2,881
      36% off
      SEK 4,508 SEK 2,881
    • IAD 19:40
      18h 50m
      1 stop
      LHR 19:30
      Washington D.C. - London | Mon, Dec 7 | Icelandair
      SEK 2,952
      35% off
      SEK 4,508 SEK 2,952
    • IAD 16:30
      18h 10m
      1 stop
      LHR 15:40
      Washington D.C. - London | Tue, Nov 10 | ITA Airways
      SEK 2,955
      34% off
      SEK 4,508 SEK 2,955
    • WAS 13:00
      17h 25m
      1 stop
      LON 14:00
      Washington D.C. - London | Mon, Oct 19 | Normal Airline
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    • Cheapest nonstop
      IAD 18:20
      7h 20m
      Direct
      LHR 06:40
      Washington D.C. - London | Tue, Dec 29 | United Airlines
      SEK 3,158 SEK 6,806
      54% off
      54% off
      SEK 6,806 SEK 3,158
    • IAD 20:45
      7h 25m
      Direct
      LHR 09:10
      Washington D.C. - London | Thu, Jan 7 | Virgin Atlantic
      SEK 3,751 SEK 6,806
      45% off
      45% off
      SEK 6,806 SEK 3,751
    • IAD 22:15
      7h 35m
      Direct
      LHR 10:50
      Washington D.C. - London | Thu, Dec 10 | United Airlines
      SEK 3,869 SEK 6,806
      43% off
      43% off
      SEK 6,806 SEK 3,869
    • IAD 18:55
      7h 25m
      Direct
      LHR 07:20
      Washington D.C. - London | Mon, Nov 9 | Virgin Atlantic
      SEK 4,389
      36% off
      SEK 6,806 SEK 4,389
    • IAD 18:55
      7h 25m
      Direct
      LHR 07:20
      Washington D.C. - London | Wed, Nov 4 | Virgin Atlantic
      SEK 4,445
      35% off
      SEK 6,806 SEK 4,445
    • IAD 18:55
      7h 25m
      Direct
      LHR 07:20
      Washington D.C. - London | Tue, Nov 10 | Virgin Atlantic
      SEK 4,450
      35% off
      SEK 6,806 SEK 4,450
    • IAD 18:55
      7h 25m
      Direct
      LHR 07:20
      Washington D.C. - London | Tue, Nov 3 | Virgin Atlantic
      SEK 4,574
      33% off
      SEK 6,806 SEK 4,574
    • IAD 19:55
      7h 25m
      Direct
      LHR 07:20
      Washington D.C. - London | Wed, Oct 28 | Virgin Atlantic
      SEK 4,631
      32% off
      SEK 6,806 SEK 4,631
    • IAD 18:55
      7h 25m
      Direct
      LHR 07:20
      Washington D.C. - London | Wed, Nov 11 | Virgin Atlantic
      SEK 4,632
      32% off
      SEK 6,806 SEK 4,632
    • WAS 13:00
      17h 25m
      1 stop
      LON 14:00
      Washington D.C. - London | Mon, Oct 19 | Normal Airline
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    • Cheapest nonstop
      IAD 18:20
      7h 20m
      Direct
      LHR 06:40
      Washington D.C. - London | Tue, Dec 29 | United Airlines
      SEK 3,158 SEK 6,806
      54% off
      54% off
      SEK 6,806 SEK 3,158
    • IAD 20:45
      7h 25m
      Direct
      LHR 09:10
      Washington D.C. - London | Thu, Jan 7 | Virgin Atlantic
      SEK 3,751 SEK 6,806
      45% off
      45% off
      SEK 6,806 SEK 3,751
    • IAD 22:15
      7h 35m
      Direct
      LHR 10:50
      Washington D.C. - London | Thu, Dec 10 | United Airlines
      SEK 3,869 SEK 6,806
      43% off
      43% off
      SEK 6,806 SEK 3,869
    • IAD 18:55
      7h 25m
      Direct
      LHR 07:20
      Washington D.C. - London | Mon, Nov 9 | Virgin Atlantic
      SEK 4,389
      36% off
      SEK 6,806 SEK 4,389
    • IAD 18:55
      7h 25m
      Direct
      LHR 07:20
      Washington D.C. - London | Wed, Nov 4 | Virgin Atlantic
      SEK 4,445
      35% off
      SEK 6,806 SEK 4,445
    • IAD 18:55
      7h 25m
      Direct
      LHR 07:20
      Washington D.C. - London | Tue, Nov 10 | Virgin Atlantic
      SEK 4,450
      35% off
      SEK 6,806 SEK 4,450
    • IAD 18:55
      7h 25m
      Direct
      LHR 07:20
      Washington D.C. - London | Tue, Nov 3 | Virgin Atlantic
      SEK 4,574
      33% off
      SEK 6,806 SEK 4,574
    • IAD 19:55
      7h 25m
      Direct
      LHR 07:20
      Washington D.C. - London | Wed, Oct 28 | Virgin Atlantic
      SEK 4,631
      32% off
      SEK 6,806 SEK 4,631
    • IAD 18:55
      7h 25m
      Direct
      LHR 07:20
      Washington D.C. - London | Wed, Nov 11 | Virgin Atlantic
      SEK 4,632
      32% off
      SEK 6,806 SEK 4,632
    • WAS 13:00
      17h 25m
      1 stop
      LON 14:00
      Washington D.C. - London | Mon, Oct 19 | Normal Airline
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    • IAD 19:05
      7h 10m
      Direct
      LHR 06:15
      Washington D.C. - London | Fri, Oct 30 | Iberia
      SEK 5,661 SEK 8,524
      34% off
      34% off
      SEK 8,524 SEK 5,661
    • IAD 18:05
      7h 10m
      Direct
      LHR 06:15
      Washington D.C. - London | Tue, Dec 1 | British Airways
      SEK 5,140 SEK 8,524
      40% off
      40% off
      SEK 8,524 SEK 5,140
    • IAD 18:05
      7h 10m
      Direct
      LHR 06:15
      Washington D.C. - London | Tue, Dec 1 | American Airlines
      SEK 5,988 SEK 8,524
      30% off
      30% off
      SEK 8,524 SEK 5,988
    • IAD 18:05
      7h 10m
      Direct
      LHR 06:15
      Washington D.C. - London | Mon, Nov 30 | Iberia
      SEK 5,153
      40% off
      SEK 8,524 SEK 5,153
    • IAD 18:05
      7h 10m
      Direct
      LHR 06:15
      Washington D.C. - London | Sun, Nov 15 | British Airways
      SEK 3,445
      60% off
      SEK 8,524 SEK 3,445
    • IAD 18:05
      7h 10m
      Direct
      LHR 06:15
      Washington D.C. - London | Sun, Nov 8 | Iberia
      SEK 4,945
      42% off
      SEK 8,524 SEK 4,945
    • IAD 19:05
      7h 10m
      Direct
      LHR 06:15
      Washington D.C. - London | Sat, Oct 31 | British Airways
      SEK 5,583
      35% off
      SEK 8,524 SEK 5,583
    • IAD 19:05
      7h 10m
      Direct
      LHR 06:15
      Washington D.C. - London | Tue, Oct 27 | Iberia
      SEK 5,116
      40% off
      SEK 8,524 SEK 5,116
    • IAD 18:05
      7h 10m
      Direct
      LHR 06:15
      Washington D.C. - London | Tue, Dec 29 | American Airlines
      SEK 4,249
      50% off
      SEK 8,524 SEK 4,249
    • WAS 13:00
      17h 25m
      1 stop
      LON 14:00
      Washington D.C. - London | Mon, Oct 19 | Normal Airline
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    • Cheapest nonstop
      IAD 22:05
      7h 35m
      Direct
      LHR 10:40
      Washington D.C. - London | Wed, Oct 21 | Virgin Atlantic
      SEK 4,733 SEK 9,223
      49% off
      49% off
      SEK 9,223 SEK 4,733
    • IAD 22:05
      7h 35m
      Direct
      LHR 10:40
      Washington D.C. - London | Sun, Oct 18 | Virgin Atlantic
      SEK 4,736 SEK 9,223
      49% off
      49% off
      SEK 9,223 SEK 4,736
    • IAD 22:05
      7h 35m
      Direct
      LHR 10:40
      Washington D.C. - London | Tue, Oct 20 | Virgin Atlantic
      SEK 4,780 SEK 9,223
      48% off
      48% off
      SEK 9,223 SEK 4,780
    • IAD 22:05
      7h 35m
      Direct
      LHR 10:40
      Washington D.C. - London | Mon, Oct 19 | Virgin Atlantic
      SEK 4,785
      48% off
      SEK 9,223 SEK 4,785
    • IAD 22:25
      7h 25m
      Direct
      LHR 10:50
      Washington D.C. - London | Sun, Oct 18 | Iberia
      SEK 4,853
      47% off
      SEK 9,223 SEK 4,853
    • IAD 22:25
      7h 25m
      Direct
      LHR 10:50
      Washington D.C. - London | Tue, Oct 20 | Iberia
      SEK 4,924
      47% off
      SEK 9,223 SEK 4,924
    • IAD 22:05
      7h 35m
      Direct
      LHR 10:40
      Washington D.C. - London | Fri, Oct 23 | Virgin Atlantic
      SEK 5,224
      43% off
      SEK 9,223 SEK 5,224
    • IAD 23:20
      7h 35m
      Direct
      LHR 10:55
      Washington D.C. - London | Sat, Oct 24 | Virgin Atlantic
      SEK 5,224
      43% off
      SEK 9,223 SEK 5,224
    • IAD 22:05
      7h 35m
      Direct
      LHR 10:40
      Washington D.C. - London | Thu, Oct 22 | Virgin Atlantic
      SEK 5,224
      43% off
      SEK 9,223 SEK 5,224
    • WAS 13:00
      17h 25m
      1 stop
      LON 14:00
      Washington D.C. - London | Mon, Oct 19 | Normal Airline
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Displayed flight fares from Washington D.C. to London 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 to fly from Dulles International Airport to Heathrow Airport?

The data is based on the past 12 months and shows the average one-way ticket prices from Dulles International Airport to Heathrow Airport for each month in the Trip.com database.

Based on Trip.com's data from the past 12 months, the cheapest one-way flights from Dulles International Airport to Heathrow Airport are usually in October, with an average price of SEK 5,145. It is best to avoid June, when the average price can reach SEK 9,917.

SEK 9,917
SEK 7,531
SEK 5,145
SEK 2,759
  • SEK 5,145
    Oct
  • SEK 5,235
    Nov
  • SEK 6,835
    Dec
  • SEK 5,341
    Jan
  • SEK 5,348
    Feb
  • SEK 5,975
    Mar
  • SEK 6,316
    Apr
  • SEK 7,871
    May
  • SEK 9,917
    Jun
  • SEK 5,634
    Jul
  • SEK 5,609
    Aug
  • SEK 5,299
    Sep

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 departure day from Dulles International Airport to Heathrow Airport is Sunday, with average prices usually lower than other days. Avoid departing on Saturday as prices are typically highest on that day.

SEK 7,335
SEK 6,070
SEK 4,804
SEK 3,539
    Cheapest
  • SEK 6,546
    Mon
  • SEK 5,766
    Tue
  • SEK 6,327
    Wed
  • SEK 6,042
    Thu
  • SEK 6,572
    Fri
  • SEK 7,335
    Sat
  • SEK 4,804
    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 2,859) among 10 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Icelandair
From SEK 2,859
ITA Airways
From SEK 2,955
United Airlines
From SEK 3,144
Air Canada
From SEK 3,164
Virgin Atlantic
From SEK 3,236
Delta Air Lines
From SEK 3,267
Aer Lingus
From SEK 3,302
Lufthansa
From SEK 3,317
British Airways
From SEK 3,366
Iberia
From SEK 3,412

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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

    20:30

    IAD

    5h 55m

    Direct

    06:25

    KEF

    S M - W T F -
    Search

  2. FI450

    Keflavík International Airport

    07:40

    KEF

    3h 15m

    Direct

    11:55

    LHR

    S M T W T F S

  3. AZ619

    Dulles International Airport

    16:30

    IAD

    8h 45m

    Direct

    07:15

    FCO

    - M - W - F S
    Search

  4. AZ202

    Leonardo da Vinci–Fiumicino Airport

    07:50

    FCO

    2h 50m

    Direct

    09:40

    LHR

    S M T W T F S

  5. FI644

    Dulles International Airport

    20:30

    IAD

    5h 55m

    Direct

    06:25

    KEF

    S M - W T F -
    Search

  6. FI204

    Keflavík International Airport

    07:40

    KEF

    3h 15m

    Direct

    12:55

    CPH

    S M T W T F S

  7. SK505

    Copenhagen Airport

    15:00

    CPH

    2h

    Direct

    16:00

    LHR

    S M T W T F S

  8. AC8724

    Dulles International Airport

    09:55

    IAD

    1h 38m

    Direct

    11:33

    YUL

    S M T W T F S
    Search

  9. AC864

    Montréal-Pierre Elliott Trudeau International Airport

    18:40

    YUL

    6h 50m

    Direct

    06:30

    LHR

    S M T W T F S

  10. AZ619

    Dulles International Airport

    16:30

    IAD

    8h 45m

    Direct

    07:15

    FCO

    - M - W - F S
    Search

  11. AZ204

    Leonardo da Vinci–Fiumicino Airport

    13:50

    FCO

    2h 50m

    Direct

    15:40

    LHR

    S M T W T F S

  12. FI644

    Dulles International Airport

    20:30

    IAD

    5h 55m

    Direct

    06:25

    KEF

    S M - W T F -
    Search

  13. FI454

    Keflavík International Airport

    16:10

    KEF

    3h 10m

    Direct

    20:20

    LHR

    S M T W T F 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 5,907.82km
Cheapest one-way ticket price SEK 2,859
Cheapest return ticket price SEK 5,141

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 33 minutes on average. Actual flight time may vary depending on route, weather and air traffic.
  • There are around 15 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 6 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 5,993 in December, the most expensive month to book this route.
    • The distance from London Gatwick Airport to downtown is about 39km, by taxi about 50 minutes.
    • The distance from 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.
  • 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 2,859, and round-trip fares start from SEK 5,141. The current lowest fare is a Icelandair flight departing on Sun, Oct 25; 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 35 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 5,440. Prices may vary depending on the departure date, airline, and availability.
  • Dulles International Airport to Heathrow Airport operates around 41 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.

Find Cheap Flights with Trip.com

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

Book with no extra fees

Prices displayed on this page are all-inclusive (including taxes, fuel surcharges, civil aviation development fund, etc.), with all fees confirmed before payment. Fees for luggage, meals, Wi-Fi, 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 have been updated within the last 24 hours—sometimes even in real time. The more popular the route, the more accurate the data.

Change & Cancellation Policy

Trip.com shows the cancellation and change policies for each flight ticket during the booking process, including any fees and applicable conditions. Please check 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 according to the airline's ticket policy.
Cancellation/change due to a flight schedule change:
If the flight schedule has changed 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 visit the customer support pages.