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

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  • month of return
$509
TAP Air Portugal outward: Oct 14, 2020
1:55a IAD » 1:45p LHR
TAP Air Portugal 1 stop (11h50m)
TAP Air Portugal inbound: Oct 20, 2020
7:45p LHR » 5:00a IAD
TAP Air Portugal 1 stop (33h15m)
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
  • September 2020
  • October 2020
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  • Air Canada
  • Delta Air Lines
  • Icelandair
  • TAP Air Portugal
TAP Air Portugal
outbound: Oct 13, 2020
TAP Air Portugal 1 stop
return: Oct 20, 2020
TAP Air Portugal 1 stop
Icelandair
outbound: Oct 13, 2020
Icelandair 1 stop
return: Oct 20, 2020
Icelandair 1 stop
Air Canada
outbound: Oct 13, 2020
Air Canada 1 stop
return: Oct 20, 2020
Austrian Airlines direct
Delta Air Lines
outbound: Oct 13, 2020
Delta Air Lines 1 stop
return: Oct 20, 2020
Delta Air Lines 1 stop

Travel tips for flights Washington - London

Average flight duration: 22h32m (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:
  • Sep 20, 2020 8:35 PM, GMT+1
  • Weather:
  • min. 59ºF, max. 79ºF
  • 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:
  • Sep 20, 2020 3:35 PM, GMT-4
  • Weather:
  • min. 56ºF, max. 69ºF