Cheap flights from London Heathrow Airport to Washington Dulles Intl Airport

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1 adult
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Sat 25/9
Sat 2/10

Travel Restriction Alert

The COVID-19 (coronavirus) outbreak may impact travel from London Heathrow to Washington Dulles Intl Airport.
View current United States travel restrictions

Flight information for London Heathrow Airport to Washington Dulles Intl Airport
(LHR to IAD)

Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to Washington Dulles Intl Airport
Best price found£239The best flight deal from London Heathrow Airport to Washington Dulles Intl Airport found on momondo in the last 72 hours is £239
Fastest flight time8h 15mThe fastest flight from London Heathrow Airport to Washington Dulles Intl Airport takes 8h 15m
Direct flightsSunDirect flights go from London Heathrow Airport to Washington Dulles Intl Airport on Sunday. Airlines offering direct flights are: Finnair, American Airlines and British Airways.

How to get the cheapest flight ticket from London Heathrow Airport to Washington Dulles Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly from London Heathrow Airport to Washington Dulles Intl Airport?

November

The cheapest time of year to fly to Washington Dulles Intl Airport from London Heathrow Airport is November. The most expensive is August.

What is the cheapest airline that flies to Washington Dulles Intl Airport from London Heathrow Airport?

TAP AIR PORTUGAL

Aer Lingus, Air Canada, and Icelandair are the most popular carriers operating from London Heathrow Airport to Washington Dulles Intl Airport

How far in advance should you book London Heathrow Airport to Washington Dulles Intl Airport flights?

36 days before

The cheapest time to buy a flight from London Heathrow Airport to Washington Dulles Intl Airport is approximately 36 days to departure


Easily compare return flights from London Heathrow Airport to Washington Dulles Intl Airport

Below you can see the best fares for your return flight route over the next three months. All fares were found on momondo this week. Browse the quickest and cheapest flights from London Heathrow Airport to Washington Dulles Intl Airport by changing tabs
American Airlines
LHRLondon Heathrow
8h 00m
IADWashington Dulles Intl

Find the cheapest one-way flights from London Heathrow Airport to Washington Dulles Intl Airport

If you're looking for one-way flights from London Heathrow Airport to Washington Dulles Intl Airport, view some of our deals below provided by American Airlines
American Airlines
LHRLondon Heathrow
8h 00m
IADWashington Dulles Intl

Search last-minute flights to Washington Dulles Intl Airport from London Heathrow Airport

Find and compare flight prices for your last-minute flight from London Heathrow Airport to Washington Dulles Intl Airport
Multiple Airlines
26 Sep
LHR04:10London Heathrow
37h 05m
2 stops
IAD17:15Washington Dulles Intl
3 Oct
IAD17:55Washington Dulles Intl
20h 00m
1 stop
LHR13:55London Heathrow
Icelandair
28 Sep
LHR09:10London Heathrow
11h 00m
1 stop
IAD20:10Washington Dulles Intl
19 Oct
IAD16:35Washington Dulles Intl
10h 20m
1 stop
LHR02:55London Heathrow
Delta
29 Sep
LHR06:05London Heathrow
11h 30m
1 stop
IAD17:35Washington Dulles Intl
12 Oct
IAD14:20Washington Dulles Intl
7h 05m
LHR21:25London Heathrow
TAP AIR PORTUGAL
30 Sep
LHR02:00London Heathrow
13h 40m
1 stop
IAD15:40Washington Dulles Intl
12 Oct
IAD13:30Washington Dulles Intl
16h 55m
1 stop
LHR06:25London Heathrow
Virgin Atlantic
29 Sep
LHR07:00London Heathrow
10h 35m
1 stop
IAD17:35Washington Dulles Intl
12 Oct
IAD14:20Washington Dulles Intl
7h 05m
LHR21:25London Heathrow
Air Canada
28 Sep
LHR10:05London Heathrow
29h 57m
2 stops
IAD16:02Washington Dulles Intl
13 Oct
IAD02:30Washington Dulles Intl
21h 05m
1 stop
LHR23:35London Heathrow

Best airlines flying from London Heathrow Airport to Washington Dulles Intl Airport

Compare and see reviews for airlines that fly from London Heathrow Airport to Washington Dulles Intl Airport with momondo
AirlineRatingFree cancellationPrice
Virgin Atlantic
PriceFrom £285
Free cancellation
Rating
9.3
Air Canada
PriceFrom £287
Free cancellation
Rating
7.5
United Airlines
PriceFrom £290
Free cancellation
Rating
6.8
Austrian Airlines
PriceFrom £300
Free cancellation
Rating
7.2
SAS
PriceFrom £301
Free cancellation
Rating
8.2
TAP AIR PORTUGAL
PriceFrom £305
Free cancellation
Rating
7.5
Iberia
PriceFrom £328
Free cancellation
Rating
6.9
Delta
PriceFrom £333
Free cancellation
Rating
8.3
Air France
PriceFrom £341
Free cancellation
Rating
7.7
Lufthansa
PriceFrom £345
Free cancellation
Rating
7.4

  • Are airlines flying from London Heathrow to Washington Dulles Intl offering flexible cancellation due to COVID-19?

    Some of our partner airlines flying from London Heathrow to Washington Dulles Intl are adapting new policies due to the global impact of COVID-19. Some of the airlines that may be waiving their cancellation fees are Virgin Atlantic, United Airlines, and Aer Lingus. You can search for the full list of airlines such as Virgin Atlantic that are offering this flexibility.

  • How far is London Heathrow to Washington Dulles Intl by plane?

    London Heathrow and Washington Dulles Intl are 3664.4 mi apart from one another. A reasonable flight in good conditions will take 12h 45m.


Can I fly to Washington Dulles Intl from London Heathrow right now?

Information is based on travel restrictions from London Heathrow to Washington Dulles Intl

Most visitors from London Heathrow will not be allowed to enter Washington Dulles Intl.

COVID-19 testing requirements
Visitors from London Heathrow must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Washington Dulles Intl.

Quarantine requirements
Visitors from London Heathrow are not required to quarantine after entering Washington Dulles Intl.

Can I fly back to London Heathrow from Washington Dulles Intl?

Returning to London Heathrow from Washington Dulles Intl

COVID-19 testing requirements
Visitors from Washington Dulles Intl must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to London Heathrow.

Quarantine requirements
Visitors from Washington Dulles Intl are not required to quarantine after entering London Heathrow.

If you are planning to travel to Washington Dulles Intl Airport at this time, it is recommended that you stay up to date on current restrictions and follow proper safety measures while in public.

Alternative routes for London Heathrow Airport to Washington Dulles Intl Airport

Compare alternative flights to and from nearby airports and cities to discover the best prices and most convenient flight times
London to Washington Dulles Intl Airport Flights
Fastest flight time15h 25m
Cheapest price£254
London to Washington Reagan-National Airport Flights
Fastest flight time11h 38m
Cheapest price£332
London to Baltimore Flights
Fastest flight time29h 16m
Cheapest price£340