Flights from Washington Airport IAD to London Airport LHR

We've found the cheapest flights to London

Returns from £529.81

One-way from £313.61

Airliners including Swiss, Lufthansa, KLM, Delta Air Lines, Copa Airlines, Austrian Airlines, Air France, Air Canada, Virgin Atlantic, Iberia, Finnair, Aer Lingus, American Airlines, United Airlines and British Airways all offer direct flights between Washington Dulles International to London Heathrow. The flight from Washington Dulles International to London Heathrow is approximately 5,902 Kilometers which is 3,667 Miles. You should expect a flight time of around 7 Hours 45 Minutes.

The cost of the flights varies significantly so we can’t provide you an estimate. Prices can be 50% cheaper if you book more than a month in advance. To obtain the best prices for London Heathrow flights than book well in advance. The ticket prices for most airliners will increase the closer you get the departure date, so as soon as you know the date you will travel you should book your flights.

On arriving at London Heathrow please note the time difference, the time zone at London Heathrow is 0.0 GMT compared to 5.0 GMT at Washington Dulles International.

For a full summary of all the airliners that fly from Washington Dulles International to London Heathrow, please see the table below.

Flights Chart
AirlinerMoTuWeThFrSaSuFirst FlightLast FlightFlights
British Airways000003306:2010:50VIEW FLIGHTS
United Airlines000002206:5510:40VIEW FLIGHTS
American Airlines000002106:2006:20VIEW FLIGHTS
Virgin Atlantic000001111:2011:20VIEW FLIGHTS
Iberia000001106:2006:20VIEW FLIGHTS
Finnair000001106:2006:20VIEW FLIGHTS
Aer Lingus000001106:2006:20VIEW FLIGHTS
Swiss0000010VIEW FLIGHTS
Lufthansa0000010VIEW FLIGHTS
KLM0000010VIEW FLIGHTS
Delta Air Lines0000010VIEW FLIGHTS
Copa Airlines0000010VIEW FLIGHTS
Austrian Airlines0000010VIEW FLIGHTS
Air France0000010VIEW FLIGHTS
Air Canada0000010VIEW FLIGHTS

British Airways is the most popular airliners who operate this route. They have around 6 a week with times that vary between 06:20 and 10:50.

Would you like to book your flight? Bookings can be made direct with British Airways on their website britishairways.com.

The flight time for the selected route vary based on the month you will travel, but below we has summarised the most common times they will fly. We recommend you only take these times as guidance and check with appropriate airline for the exact times for the date you depart.

Flights Time In WeekDays
DayFlight TimesFlights
Saturday
17:45
AirlineFlight  No
British AirwaysBA216
18:25
AirlineFlight  No
United AirlinesUA918
19:05
AirlineFlight  No
American AirlinesAA6796
British AirwaysBA290
22:10
AirlineFlight  No
United AirlinesUA924
Austrian AirlinesOS7808
Air CanadaAC5350
LufthansaLH9267
Copa AirlinesCM2294
SwissLX3045
22:15
AirlineFlight  No
FinnairAY5532
Aer LingusEI8992
American AirlinesAA7001
British AirwaysBA292
IberiaIB3631
22:55
AirlineFlight  No
Air FranceAF9652
KLMKL4825
Delta Air LinesDL5982
Virgin AtlanticVS22
VIEW FLIGHTS
Sunday
06:20
AirlineFlight  No
FinnairAY5416
Aer LingusEI8916
American AirlinesAA6967
British AirwaysBA216
IberiaIB3589
06:55
AirlineFlight  No
United AirlinesUA918
07:45
AirlineFlight  No
British AirwaysBA290
10:40
AirlineFlight  No
United AirlinesUA924
10:50
AirlineFlight  No
British AirwaysBA292
11:20
AirlineFlight  No
Virgin AtlanticVS22
VIEW FLIGHTS

If you are flexible on the airport you depart from, then there are other airports that offer direct flights to London Heathrow. You can see full details of these below.

Alternative Direct Routes
RouteStopsDistanceFlying Time
Baltimore Washington Thurgood Marshall to Heathrow07 Hours 40 Minutes
Philadelphia to Heathrow07 Hours 30 Minutes

Before you start your journey remember to check you have all your documents; in particular, your passport and flight tickets. You will be surprised at the amount of people of forget these!

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Flight Price FAQ - Washington (IAD) to London (LHR)

DIRECT Lufthansa
What is the cheapest direct flight one way from Washington IAD to London LHR?
The cheapest direct flight one way from Washington IAD to London LHR is £313.61 ($425 €360.85)
£313.61
$425 | €360.85
Check Latest Price
DIRECT Finnair
What is the cheapest direct return flight from Washington IAD to London LHR?
The cheapest direct return flight from Washington IAD to London LHR is £529.81 ($718 €609.63)
£529.81
$718 | €609.63
Check Latest Price
1+ STOP(S)
What is the cheapest flight one way from Washington IAD to London LHR?
The cheapest flight one way from Washington IAD to London LHR is £213.99 ($290 €246.23)
£213.99
$290 | €246.23
Check Latest Price
1+ STOP(S)
What is the cheapest return flight from Washington IAD to London LHR?
The cheapest return flight from Washington IAD to London LHR is £323.20 ($438 €371.89)
£323.20
$438 | €371.89
Check Latest Price
Important Note: Prices shown are taken from searches performed for flights operating during the current month. Please use the "Latest Price" buttons to get the most up to date airfares.

Compare Flight Prices from IAD to LHR

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Flight Info FAQ - Washington (IAD) to London (LHR)

Who flies from Washington to London?
The following airlines fly from Washington (IAD) to London (LHR): Aer Lingus, Air Canada, Air France, American Airlines, Austrian Airlines, British Airways, Copa Airlines, Delta Air Lines, Finnair, Iberia, KLM, Lufthansa, Swiss, United Airlines, Virgin Atlantic.
How far is the flight from Washington to London?
The flight from Washington to London is 5,902KM or 3,667 miles.
How long does the flight from Washington to London to take?
The flight from Washington to London takes 7 Hours 45 Minutes.

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