Take off on cheap flights from Washington to London, your adventure starts now!

Find cheap airline tickets from Washington to London by date

  • any
  • November 2020
  • December 2020
  • January 2021
  • February 2021
  • March 2021
  • April 2021
  • May 2021
  • June 2021
  • July 2021
  • August 2021
  • September 2021
  • October 2021
  • any
  • November 2020
  • December 2020
  • January 2021
  • February 2021
  • March 2021
  • April 2021
  • May 2021
  • June 2021
  • July 2021
  • August 2021
  • September 2021
  • October 2021
  • price
  • month of departure
  • month of return
$456
TAP Air Portugal outward: Dec 16, 2020
1:55a IAD » 1:40p LHR
TAP Air Portugal 1 stop (11h45m)
TAP Air Portugal inbound: Jun 15, 2021
11:35a LGW » 2:10a IAD
TAP Air Portugal 1 stop (14h35m)
$456
TAP Air Portugal outward: Dec 16, 2020
1:55a IAD » 1:40p LHR
TAP Air Portugal 1 stop (11h45m)
TAP Air Portugal inbound: Jun 15, 2021
11:35a LGW » 2:10a IAD
TAP Air Portugal 1 stop (14h35m)
$462
Icelandair outward: Sep 3, 2021
2:35a IAD » 12:45p LHR
Icelandair 1 stop (10h10m)
Icelandair inbound: Sep 7, 2021
2:05p LHR » 1:10a IAD
Icelandair 1 stop (11h05m)
$492
Unknown Company outward: Dec 23, 2020
1:55a IAD » 12:35a LTN
Unknown Company 1 stop (22h40m)
Unknown Company inbound: May 18, 2021
9:15a STN » 10:05p IAD
Unknown Company 1 stop (12h50m)
$509
TAP Air Portugal outward: Dec 16, 2020
1:55a IAD » 1:40p LHR
TAP Air Portugal 1 stop (11h45m)
TAP Air Portugal inbound: May 25, 2021
5:25p LGW » 2:10a IAD
TAP Air Portugal 1 stop (32h45m)
$528
TAP Air Portugal outward: Dec 2, 2020
1:55a IAD » 6:30p LHR
TAP Air Portugal 1 stop (16h35m)
Brussels Airlines inbound: Dec 8, 2020
12:05p LHR » 8:35p IAD
Brussels Airlines 1 stop (32h30m)
$598
Unknown Company outward: Dec 2, 2020
1:55a IAD » 9:55a LGW
Unknown Company 3 stops (32h)
Unknown Company inbound: Dec 8, 2020
6:20p LGW » 8:20p IAD
Unknown Company 2 stops (26h)
Return
Departure
Choose when you'd like to depart to London (United Kingdom):
Find the cheapest Washington London flight by browsing the dates below to find alternative flight prices found in the last days. To launch a flight search for Washington - London with these new dates, click on an offer. Want to depart from another city? Choose:

Airlines operating flights from Washington to London

  • any
  • November 2020
  • December 2020
  • January 2021
  • February 2021
  • March 2021
  • April 2021
  • May 2021
  • June 2021
  • July 2021
  • August 2021
  • September 2021
  • October 2021
  • all
  • Delta Air Lines
  • Finnair
  • Icelandair
  • TAP Air Portugal
  • Virgin Atlantic
TAP Air Portugal
outbound: Dec 15, 2020
TAP Air Portugal 1 stop
return: Jun 15, 2021
British Airways 1 stop
Icelandair
outbound: Sep 2, 2021
Icelandair 1 stop
return: Sep 7, 2021
Icelandair 1 stop
Delta Air Lines
outbound: Dec 22, 2020
Delta Air Lines 1 stop
return: May 18, 2021
Air France 1 stop
Virgin Atlantic
outbound: Dec 22, 2020
Virgin Atlantic 1 stop
return: May 18, 2021
Virgin Atlantic direct
Finnair
outbound: Dec 15, 2020
Finnair direct
return: Jun 15, 2021
British Airways 2 stops

Travel tips for flights Washington - London

Average flight duration: 29h (flight with stopovers)

  • Arrival city:
  • London, United Kingdom
  • Airport(s):
  • London City Airport (LCY)
  • Heathrow Airport (LHR)
  • Gatwick Airport (LGW)
  • Luton Airport (LTN)
  • Stansted Airport (STN)
  • Southend Airport (SEN)
  • Local time:
  • Nov 30, 2020 7:03 AM, GMT+0
  • Weather:
  • min. 36ºF, max. 46ºF
  • Departure city:
  • Washington, USA
  • Airport(s):
  • Ronald Reagan Washington National Airport (DCA)
  • Dulles International Airport (IAD)
  • Baltimore/Washington International Thurgood Marshall Airport (BWI)
  • Local time:
  • Nov 30, 2020 2:03 AM, GMT-5
  • Weather:
  • min. 44ºF, max. 56ºF