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

Find cheap airline tickets from Seattle to London by date

  • any
  • April 2019
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  • October 2019
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  • any
  • April 2019
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  • price
  • month of departure
  • month of return
$683
Norwegian Air UK outward: May 29, 2019
10:45p SEA » 8:00a LGW
Norwegian Air UK direct (9h15m)
Norwegian Air UK inbound: Jun 2, 2019
11:00a LGW » 8:55p SEA
Norwegian Air UK direct (9h55m)
$686
Norwegian Air UK outward: May 29, 2019
10:45p SEA » 8:00a LGW
Norwegian Air UK direct (9h15m)
Norwegian Air UK inbound: Jun 2, 2019
11:00a LGW » 8:55p SEA
Norwegian Air UK direct (9h55m)
$686
Norwegian Air UK outward: May 29, 2019
10:45p SEA » 8:00a LGW
Norwegian Air UK direct (9h15m)
Norwegian Air UK inbound: Jun 2, 2019
11:00a LGW » 8:55p SEA
Norwegian Air UK direct (9h55m)
Return
Departure
Find the cheapest Seattle London flight by browsing the dates below to find alternative flight prices found in the last days. To launch a flight search for Seattle - London with these new dates, click on an offer. Want to depart from another city? Choose:

Airlines operating flights from Seattle to London

  • any
  • April 2019
  • May 2019
  • June 2019
  • July 2019
  • August 2019
  • September 2019
  • October 2019
  • November 2019
  • December 2019
  • January 2020
  • February 2020
  • March 2020
  • all
  • Air Canada
  • Delta Air Lines
  • Icelandair
  • Lufthansa
  • TAP Air Portugal
  • Virgin Atlantic
Air Canada
outbound: May 29, 2019
Air Canada 1 stop
return: Jun 2, 2019
Aer Lingus 1 stop
Delta Air Lines
outbound: May 29, 2019
Delta Air Lines 1 stop
return: Jun 2, 2019
Virgin Atlantic 1 stop
Virgin Atlantic
outbound: May 29, 2019
Virgin Atlantic direct
return: Jun 2, 2019
Air France 1 stop
Icelandair
outbound: May 29, 2019
Icelandair 2 stops
return: Jun 2, 2019
Icelandair 2 stops
TAP Air Portugal
outbound: May 29, 2019
TAP Air Portugal 2 stops
return: Jun 2, 2019
TAP Air Portugal 3 stops
Lufthansa
outbound: May 29, 2019
Lufthansa 1 stop
return: Jun 2, 2019
Air Canada 1 stop

Travel tips for flights Seattle - London

Average flight duration: 9h35m (direct flight)

  • 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:
  • Apr 20, 2019 9:40 PM, GMT+1
  • Weather:
  • min. 56ºF, max. 76ºF
  • Departure city:
  • Seattle, USA
  • Airport(s):
  • Kenmore Air Harbor Seaplane Base (LKE)
  • Seattle–Tacoma International Airport (SEA)
  • Local time:
  • Apr 20, 2019 1:40 PM, GMT-7
  • Weather:
  • min. 45ºF, max. 65ºF