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

Cheapest dates for London - Seattle tickets

  • any
  • July 2018
  • August 2018
  • September 2018
  • October 2018
  • November 2018
  • December 2018
  • January 2019
  • February 2019
  • March 2019
  • April 2019
  • May 2019
  • June 2019
  • any
  • July 2018
  • August 2018
  • September 2018
  • October 2018
  • November 2018
  • December 2018
  • January 2019
  • February 2019
  • March 2019
  • April 2019
  • May 2019
  • June 2019
  • price
  • month of departure
  • month of return
£311
outward: 22-Sep-2018
17:40 LHR » 05:17 SEA
Austrian Airlines 1 stop (35h37m)
inbound: 26-Sep-2018
07:30 SEA » 21:40 LHR
Austrian Airlines 1 stop (14h10m)
£361
outward: 18-Nov-2018
21:40 LGW » 01:55 SEA
Icelandair 1 stop (28h15m)
inbound: 09-Dec-2018
00:10 SEA » 11:45 LGW
Icelandair 1 stop (11h35m)
£362
outward: 11-Oct-2018
22:40 LGW » 07:51 SEA
British Airways 2 stops (33h11m)
inbound: 15-Oct-2018
18:59 SEA » 07:50 LHR
British Airways 1 stop (12h51m)
£364
outward: 23-Aug-2018
08:30 LHR » 05:17 SEA
Lufthansa 1 stop (20h47m)
inbound: 06-Sep-2018
07:30 SEA » 21:40 LHR
United Airlines 1 stop (14h10m)
£364
outward: 11-Sep-2018
22:40 LGW » 18:22 SEA
British Airways 2 stops (43h42m)
inbound: 25-Sep-2018
18:51 SEA » 23:45 LHR
British Airways 1 stop (28h54m)
£366
outward: 28-Nov-2018
10:20 LHR » 20:00 SEA
Virgin Atlantic direct (9h40m)
inbound: 05-Dec-2018
22:45 SEA » 08:00 LHR
Virgin Atlantic direct (9h15m)
£366
outward: 28-Nov-2018
10:20 LHR » 20:00 SEA
Virgin Atlantic direct (9h40m)
inbound: 05-Dec-2018
22:45 SEA » 08:00 LHR
Virgin Atlantic direct (9h15m)
£368
outward: 25-Mar-2019
10:20 LHR » 20:00 SEA
Virgin Atlantic direct (9h40m)
inbound: 02-Apr-2019
03:40 SEA » 12:55 LHR
Virgin Atlantic direct (9h15m)
£368
outward: 09-Dec-2018
10:20 LHR » 20:00 SEA
Virgin Atlantic direct (9h40m)
inbound: 14-Dec-2018
08:00 SEA » 08:00 LHR
Virgin Atlantic 1 stop (24h)
£368
outward: 09-Dec-2018
10:20 LHR » 20:00 SEA
Virgin Atlantic direct (9h40m)
inbound: 14-Dec-2018
08:00 SEA » 08:00 LHR
Virgin Atlantic 1 stop (24h)
£369
outward: 05-Mar-2019
21:20 LGW » 06:02 SEA
British Airways 2 stops (32h42m)
inbound: 26-Mar-2019
15:00 SEA » 07:45 LHR
Iberia 1 stop (16h45m)
£370
outward: 25-Mar-2019
10:20 LHR » 20:00 SEA
Virgin Atlantic direct (9h40m)
inbound: 02-Apr-2019
03:40 SEA » 12:55 LHR
Virgin Atlantic direct (9h15m)
£370
outward: 25-Mar-2019
10:20 LHR » 20:00 SEA
Virgin Atlantic direct (9h40m)
inbound: 02-Apr-2019
03:40 SEA » 12:55 LHR
Virgin Atlantic direct (9h15m)
£372
outward: 28-Nov-2018
10:20 LHR » 20:00 SEA
Virgin Atlantic direct (9h40m)
inbound: 05-Dec-2018
22:45 SEA » 08:00 LHR
Virgin Atlantic direct (9h15m)
£373
outward: 29-Oct-2018
10:20 LHR » 20:00 SEA
Virgin Atlantic direct (9h40m)
inbound: 05-Nov-2018
22:45 SEA » 08:00 LHR
Virgin Atlantic direct (9h15m)
£375
outward: 09-Dec-2018
10:20 LHR » 20:00 SEA
Virgin Atlantic direct (9h40m)
inbound: 14-Dec-2018
08:00 SEA » 08:00 LHR
Virgin Atlantic 1 stop (24h)
£375
outward: 04-Oct-2018
19:00 LHR » 18:40 SEA
Air Canada 2 stops (23h40m)
inbound: 10-Oct-2018
16:13 SEA » 07:55 LHR
Austrian Airlines 1 stop (15h42m)
£376
outward: 04-Oct-2018
15:10 LHR » 18:40 SEA
Air Canada 1 stop (27h30m)
inbound: 10-Oct-2018
16:13 SEA » 07:55 LHR
Austrian Airlines 1 stop (15h42m)
£376
outward: 04-Oct-2018
15:10 LHR » 18:40 SEA
Air Canada 1 stop (27h30m)
inbound: 10-Oct-2018
16:13 SEA » 07:55 LHR
Austrian Airlines 1 stop (15h42m)
£376
outward: 04-Oct-2018
15:10 LHR » 18:40 SEA
Air Canada 1 stop (27h30m)
inbound: 11-Oct-2018
07:45 SEA » 21:55 LHR
Austrian Airlines 1 stop (14h10m)
£376
outward: 04-Oct-2018
15:10 LHR » 18:40 SEA
Air Canada 1 stop (27h30m)
inbound: 10-Oct-2018
16:13 SEA » 07:55 LHR
Austrian Airlines 1 stop (15h42m)
£377
outward: 16-Sep-2018
13:30 LHR » 04:48 SEA
Virgin Atlantic 1 stop (15h18m)
inbound: 23-Sep-2018
23:00 SEA » 08:25 LHR
Virgin Atlantic direct (9h25m)
£377
outward: 04-Oct-2018
15:10 LHR » 18:40 SEA
Air Canada 1 stop (27h30m)
inbound: 10-Oct-2018
16:13 SEA » 07:55 LHR
Austrian Airlines 1 stop (15h42m)
£377
outward: 16-Jan-2019
10:20 LHR » 20:00 SEA
Virgin Atlantic direct (9h40m)
inbound: 23-Jan-2019
22:45 SEA » 08:00 LHR
Virgin Atlantic direct (9h15m)
£377
outward: 19-Nov-2018
10:20 LHR » 20:00 SEA
Virgin Atlantic direct (9h40m)
inbound: 30-Nov-2018
22:45 SEA » 08:00 LHR
Virgin Atlantic direct (9h15m)
£377
outward: 18-Jan-2019
10:20 LHR » 20:00 SEA
Virgin Atlantic direct (9h40m)
inbound: 25-Jan-2019
22:45 SEA » 08:00 LHR
Virgin Atlantic direct (9h15m)
£377
outward: 14-Jan-2019
10:20 LHR » 20:00 SEA
Virgin Atlantic direct (9h40m)
inbound: 21-Jan-2019
22:45 SEA » 08:00 LHR
Virgin Atlantic direct (9h15m)
£377
outward: 13-Jan-2019
10:20 LHR » 20:00 SEA
Virgin Atlantic direct (9h40m)
inbound: 20-Jan-2019
22:45 SEA » 08:00 LHR
Virgin Atlantic direct (9h15m)
£380
outward: 04-Sep-2018
13:20 LHR » 06:07 SEA
Austrian Airlines 1 stop (16h47m)
inbound: 20-Sep-2018
07:40 SEA » 21:55 LHR
Unknown Company 1 stop (14h15m)
£380
outward: 08-Sep-2018
13:00 LHR » 04:33 SEA
Austrian Airlines 1 stop (15h33m)
inbound: 17-Sep-2018
07:40 SEA » 07:20 LHR
Unknown Company 2 stops (23h40m)
Return
Departure
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09 August Aug Thursday $retDate.dayShortName
10 August Aug Friday $retDate.dayShortName
11 August Aug Saturday $retDate.dayShortName
12 August Aug Sunday $retDate.dayShortName
13 August Aug Monday $retDate.dayShortName
14 August Aug Tuesday $retDate.dayShortName
01 August Aug Wednesday $outDate.dayShortName
02 August Aug Thursday $outDate.dayShortName
£1303 £1496 £1141
03 August Aug Friday $outDate.dayShortName
04 August Aug Saturday $outDate.dayShortName
£1114
05 August Aug Sunday $outDate.dayShortName
£1051
06 August Aug Monday $outDate.dayShortName
07 August Aug Tuesday $outDate.dayShortName
£843 £706 £818
Choose when you'd like to depart to Seattle (USA):
Find the cheapest London Seattle flight by browsing the dates below to find alternative flight prices found in the last days. To launch a flight search for London - Seattle with these new dates, click on an offer. Want to depart from another city? Choose: Manchester - Seattle Birmingham - Seattle Glasgow - Seattle Edinburgh - Seattle See more routes

Airlines operating flights from London to Seattle

  • any
  • July 2018
  • August 2018
  • September 2018
  • October 2018
  • November 2018
  • December 2018
  • January 2019
  • February 2019
  • March 2019
  • April 2019
  • May 2019
  • June 2019
  • all
  • Air Canada
  • Air France
  • American Airlines
  • Austrian Airlines
  • British Airways
  • Brussels Airlines
  • Iberia
  • Icelandair
  • KLM
  • Lufthansa
  • SAS
  • TAP Air Portugal
  • United Airlines
  • Virgin Atlantic
outbound: 16-Sep-2018
Virgin Atlantic 1 stop
return: 23-Sep-2018
Virgin Atlantic direct
outbound: 23-Nov-2018
KLM 1 stop
return: 30-Nov-2018
KLM 1 stop
outbound: 23-Nov-2018
Air France 1 stop
return: 30-Nov-2018
Air France 1 stop
outbound: 28-Jun-2019
Lufthansa 1 stop
return: 12-Jul-2019
Lufthansa 1 stop
outbound: 26-Jul-2018
SAS 2 stops
return: 14-Sep-2018
SAS 2 stops
outbound: 20-Dec-2018
United Airlines 1 stop
return: 09-Jan-2019
United Airlines 1 stop
outbound: 04-Oct-2018
Air Canada 2 stops
return: 10-Oct-2018
Austrian Airlines 1 stop
outbound: 09-Aug-2018
Austrian Airlines 2 stops
return: 18-Aug-2018
Aer Lingus 1 stop
outbound: 05-Aug-2018
Brussels Airlines 2 stops
return: 12-Aug-2018
Austrian Airlines 1 stop
outbound: 26-Jul-2018
British Airways 1 stop
return: 14-Sep-2018
British Airways direct
outbound: 27-Apr-2019
TAP Air Portugal 2 stops
return: 04-May-2019
TAP Air Portugal 2 stops
outbound: 26-Jul-2018
American Airlines 1 stop
return: 31-Jul-2018
American Airlines direct
outbound: 02-Aug-2018
Iberia direct
return: 11-Aug-2018
Iberia direct
outbound: 03-Jan-2019
Icelandair 1 stop
return: 10-Jan-2019
Icelandair 1 stop

About London - Seattle flights

Average flight duration: 9h15m (direct flight)

  • Arrival city:
  • Seattle, USA
  • Airport(s):
  • Kenmore Air Harbor Seaplane Base (LKE)
  • Seattle–Tacoma International Airport (SEA)
  • Local time:
  • 21-Jul-2018 23:28, GMT-7
  • Weather:
  • min. 16ºC, max. 27ºC
  • Departure 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:
  • 22-Jul-2018 07:28, GMT+1
  • Weather:
  • min. 21ºC, max. 27ºC

Most popular cheap hotels in Seattle