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Cheap flights from Washington (WAS) to London (LON)

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The best prices from Washington to London are usually found in February or January, booked 60 days in advance, depart on a Tuesday or Wednesday and return on a Thursday

WAS - LON
Price
$533 - $988
LON
Temperature
48.2 - 73.4 °F
LON
Rainfall
1.4 - 2.8 inches
Popular in June High demand for flights, 32% potential price rise
Cheapest in February Best time to find cheap flights, 21% potential price drop
Round-trip from $533 From Washington to London
One-way from $213 One-way flight from Washington to London
Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.

Cheap flights from Washington to London in May, June 2020

The best prices found for IAD to LGW flights for May, June
30 Jun - 30 Sep
$505pp
IAD
Washington Dulles Intl
SAS
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
SAS
 
1 STOP
IAD
Washington Dulles Intl
11 Jun - 14 Jun
$536pp
IAD
Washington Dulles Intl
Icelandair
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Icelandair
 
1 STOP
IAD
Washington Dulles Intl
9 Jun - 14 Jun
$537pp
IAD
Washington Dulles Intl
Icelandair
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Icelandair
 
1 STOP
IAD
Washington Dulles Intl

Washington to London 2020 flight deals

Cheap flights to London from Washington found for this year
29 Oct - 4 Nov
$405pp
IAD
Washington Dulles Intl
$self.airline
 
1 STOP
LGW
London Gatwick
LGW
London Gatwick
Multiple Airlines
   
2 STOPS
IAD
Washington Dulles Intl
21 Oct - 11 Nov
$408pp
IAD
Washington Dulles Intl
TAP AIR PORTUGAL
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
TAP AIR PORTUGAL
 
1 STOP
IAD
Washington Dulles Intl
5 Nov - 9 Nov
$410pp
IAD
Washington Dulles Intl
$self.airline
 
1 STOP
LGW
London Gatwick
LGW
London Gatwick
Multiple Airlines
   
2 STOPS
IAD
Washington Dulles Intl

Non-stop flights to London from Washington

Save time with Washington to London direct flight deals
6 Oct - 20 Oct
$587pp
IAD
Washington Dulles Intl
Virgin Atlantic
Non-Stop
LHR
London Heathrow
LHR
London Heathrow
Virgin Atlantic
Non-Stop
IAD
Washington Dulles Intl
2 Nov - 11 Nov
$598pp
IAD
Washington Dulles Intl
$self.airline
Non-Stop
LHR
London Heathrow
LHR
London Heathrow
Austrian Airlines
Non-Stop
IAD
Washington Dulles Intl
6 Oct - 20 Oct
$600pp
BWI
Baltimore/Washington
$self.airline
Non-Stop
LHR
London Heathrow
LHR
London Heathrow
Iberia
Non-Stop
BWI
Baltimore/Washington

Last minute flights from Washington to London

Late deals on round-trip flights to London from Washington, departing today and this week
24 May - 31 May
$700pp
IAD
Washington Dulles Intl
$self.airline
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
 
1 STOP
IAD
Washington Dulles Intl
25 May - 31 May
$700pp
DCA
Washington Reagan-National
$self.airline
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
 
1 STOP
DCA
Washington Reagan-National
25 May - 31 May
$709pp
DCA
Washington Reagan-National
British Airways
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
British Airways
 
1 STOP
DCA
Washington Reagan-National

One-way flights to London from Washington

The cheapest one-way flights from Washington to London
8:50 am - 3:10 am
Multiple Airlines
1 Stop
13h 20m
BWI - LGW
Multiple Airlines
$213
FlyFar
9:35 am - 3:25 am
Multiple Airlines
1 Stop
12h 50m
BWI - LGW
Multiple Airlines
$217
FlightNetwork
7:50 am - 3:10 am
Multiple Airlines
1 Stop
14h 20m
BWI - LGW
Multiple Airlines
$222
FlyFar

Related info for your journey

Useful info, stats and facts about Washington to London flights.

Flight FAQs

From Washington to London

Are flight prices decreasing from Washington to London due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Washington and London for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

Can I find flights from Washington to London for under $500 on Cheapflights?

Yes, there are multiple flights from Washington to London for under $500. The cheapest flight booked recently is on Multiple Airlines for just $405, but on average you can expect to pay $419.

Are there nonstop flights from Washington to London for under $600 on Cheapflights?

Cheapflights has at least 20 direct flights from Washington to London under $600. A good price for a nonstop flight from Washington to London is less than $612.

Are there last-minute flights available from Washington to London for under $700?

There are currently 12+ open flights from Washington to London within the next 7 days for less than $700.

What is the cheapest airline for this route?

The cheapest airline for this route is United Air Lines Inc.. When flying this airline from Washington to London on average you can expect to find 78 flights available for this route daily.

Is Washington weather warmer or cooler than London?

Our data indicates that the weather will be 90 °F on average in the month of July. The temperature in London is typically colder than in Washington. If you're traveling when the temperature is at its warmest, push to plan early, as flight price and availability will have an impact on your travels. For the best results, search for flights well in advance or after peak season.

Destination information for London

Things to know before you go. Useful info for your trip from Washington to London
Today's exchange rate
$1 = £0.82
Average temperature for May in London
64.4 °F
Avg rainfall for May in London
2.0 ″

Airports servicing Washington

Reagan National (DCA)

Airports servicing London

Heathrow (LHR)
Luton (LTN)
Stansted (STN)
City (LCY)
Southend (SEN)

Hourly flight availability from Washington to London

Afternoon Noon to 6 PM 100% of IAD to LGW departures
Early morning Midnight to 6 AM 0% of IAD to LGW departures
Morning 6 AM to noon 0% of IAD to LGW departures
Evening 6 PM to midnight 0% of IAD to LGW departures
Midnight
6 AM
Noon
6 PM
Weekly flight availability
from Washington to London
Sunday
5 daily flights
Monday
5 daily flights
Tuesday
5 daily flights
Wednesday
5 daily flights
Thursday
5 daily flights
Friday
5 daily flights
Saturday
5 daily flights