Menu

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

Know your dates, get live prices in seconds:

From
To
Depart
–
Return
Any month
Compare vs. Cheapflights |
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
Add another flight clear all

We work with more than 300 partners to bring you better travel deals

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

Cheap flights from Washington to London
$1017
$856
$696
$535
Price
$535 - $987
Temperature
48 - 73 °F
Rainfall
1 - 3 inches
Most popular in June High demand for flights, 23% potential price rise
Cheapest in February Best time to find cheap flights, 5% potential price drop
Average price $604 Price for this month
Cheapest price $535 From Washington to London

Cheap flights from Washington to London in October 2019

The best prices found for IAD to LGW flights for October
22 Oct - 29 Oct
$563pp
IAD
Washington Dulles Intl
Aer Lingus
 
1 STOP
LGW
London Gatwick
LGW
London Gatwick
Aer Lingus
 
1 STOP
IAD
Washington Dulles Intl
20 Oct - 30 Oct
$566pp
IAD
Washington Dulles Intl
Aer Lingus
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Aer Lingus
 
1 STOP
IAD
Washington Dulles Intl
31 Oct - 9 Nov
$566pp
IAD
Washington Dulles Intl
Aer Lingus
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Aer Lingus
 
1 STOP
IAD
Washington Dulles Intl

Washington to London 2019 flight deals

Cheap flights to London from Washington found for this year
17 Nov - 13 Dec
$393pp
IAD
Washington Dulles Intl
Icelandair
 
1 STOP
LGW
London Gatwick
LGW
London Gatwick
Icelandair
 
1 STOP
IAD
Washington Dulles Intl
8 Dec - 12 Dec
$393pp
IAD
Washington Dulles Intl
Icelandair
 
1 STOP
LGW
London Gatwick
LGW
London Gatwick
Icelandair
 
1 STOP
IAD
Washington Dulles Intl
4 Dec - 11 Dec
$395pp
IAD
Washington Dulles Intl
Icelandair
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
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
16 Oct - 6 Nov
$567pp
IAD
Washington Dulles Intl
Aer Lingus
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Aer Lingus
 
1 STOP
IAD
Washington Dulles Intl
14 Oct - 28 Oct
$570pp
IAD
Washington Dulles Intl
Aer Lingus
 
1 STOP
LGW
London Gatwick
LGW
London Gatwick
Aer Lingus
 
1 STOP
IAD
Washington Dulles Intl
13 Oct - 27 Oct
$573pp
IAD
Washington Dulles Intl
Aer Lingus
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Aer Lingus
 
1 STOP
IAD
Washington Dulles Intl

Alternative routes for Washington to London

New York to Exeter from $525 pp
Pittsburgh to Birmingham from $634 pp
Richmond to Manchester from $672 pp
Norfolk to Birmingham from $1688 pp

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 = £0.82
Flight duration
7h 45m
Average temperature for October in London
60.8 °F
Avg rainfall for October in London
2.8 ″

Airports servicing Washington

Reagan National (DCA)
Washington Dulles Intl (IAD)

Airports servicing London

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

Popular flight searches

Check out other popular destinations found by fellow travelers

Related info for your journey

Useful info, stats and facts about Washington to London flights.
Flight FAQs
From Washington to London
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.
What percent of flights are delayed?
Flights from Washington to London are usually delayed by 39min. so prepare accordingly.
How many passenger seats are available on a flight on this route?
On average, there are a total of 2,157 seats offered from Washington to London per day.
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.
How long does the flight from Washington to London take?
A typical nonstop flight can take about 8 hours, covering about 2,291 miles.
How many flights depart from Washington to London on average per day?
Per day, 35 flights depart from Washington to London on average.
Morning (6am - Noon) - 14% of flight departures
Evening (6pm - Midnight) - 86% of flight departures
Related searches
Flights to London from Washington
Flights to Washington
Flights to London
Flights from Washington