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

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Thu 2/13
Tue 2/18
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The best prices from Washington to London are usually found in February or March, booked 44 days in advance, depart on a Wednesday or Monday and return on a Friday

+120.0%
+80.0%
+40.0%
Base
Price
$511 - $996
Temperature
48 - 73 °F
Rainfall
1 - 3 inches
Most popular in June High demand for flights, 28% potential price rise
Cheapest in February Best time to find cheap flights, 5% potential price drop
Average price $696 Price for this month
Cheapest price $511 From Washington to London

Cheap flights from Washington to London in August 2019

The best prices found for IAD to LGW flights for August
28 Aug - 8 Sep
$699pp
IAD
Washington Dulles Intl
Lufthansa
Non-Stop
LHR
London Heathrow
LHR
London Heathrow
Lufthansa
 
1 STOP
IAD
Washington Dulles Intl
31 Aug - 10 Sep
$711pp
IAD
Washington Dulles Intl
Lufthansa
Non-Stop
LHR
London Heathrow
LHR
London Heathrow
Lufthansa
 
1 STOP
IAD
Washington Dulles Intl
27 Aug - 5 Sep
$738pp
IAD
Washington Dulles Intl
Brussels Airlines
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Brussels Airlines
 
1 STOP
IAD
Washington Dulles Intl

Washington to London 2019 flight deals

Cheap flights to London from Washington found for this year
15 Nov - 17 Nov
$482pp
IAD
Washington Dulles Intl
Aer Lingus
 
1 STOP
LGW
London Gatwick
LGW
London Gatwick
Aer Lingus
 
1 STOP
IAD
Washington Dulles Intl
21 Oct - 1 Nov
$493pp
IAD
Washington Dulles Intl
Icelandair
 
1 STOP
LGW
London Gatwick
LGW
London Gatwick
Icelandair
 
1 STOP
IAD
Washington Dulles Intl
22 Oct - 30 Oct
$493pp
IAD
Washington Dulles Intl
Icelandair
 
1 STOP
LGW
London Gatwick
LGW
London Gatwick
Icelandair
 
1 STOP
IAD
Washington Dulles Intl

Last minute flights from Washington to London

Late deals on round-trip flights to London from Washington, departing today and this week
24 Aug - 10 Sep
$784pp
IAD
Washington Dulles Intl
Austrian Airlines
Non-Stop
LHR
London Heathrow
LHR
London Heathrow
Austrian Airlines
 
1 STOP
IAD
Washington Dulles Intl
18 Aug - 30 Aug
$968pp
IAD
Washington Dulles Intl
TAP AIR PORTUGAL
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
TAP AIR PORTUGAL
 
1 STOP
IAD
Washington Dulles Intl
21 Aug - 28 Aug
$990pp
IAD
Washington Dulles Intl
Icelandair
 
1 STOP
LGW
London Gatwick
LGW
London Gatwick
Icelandair
 
1 STOP
IAD
Washington Dulles Intl

Destination information for London

Things to know before you go. Useful info for your trip from Washington to London
Today's exchange rate
$1.00 = £0.83
Flight duration
8h 00m

Airports servicing Washington

Washington Dulles Intl (IAD)

Airports servicing London

Stansted (STN)
City (LCY)
Gatwick (LGW)
Heathrow (LHR)
Luton (LTN)
Average temperature for August in London
23.0 °C
Avg rainfall for August in London
48.0 mm
It’s likely that during this time there will be 1 inch less rain in London than in Washington .
The weather in London for the next ten days will be 73°F - that’s 14°F cooler than Washington.
Sun, Mon, Tue, Wed, Thu, Fri and Sat the only days where direct flights are available for this route.
Which airlines fly from Washington to London?
American Airlines, KLM and Air Canada are just three of the 15 airlines offering flights from Washington to London.
2193 users have been comparing flight prices between Washington and London this week.
How many flights depart from Washington to London on average per day?
Per day, 29 flights depart from Washington to London on average.
Morning (6am - Noon) - 17% of flight departures
Evening (6pm - Midnight) - 83% of flight departures
How long does the flight from Washington to London take?
A typical nonstop flight can take about 8 hours, covering about 2,281 miles.