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

Cheapest dates for London - Seattle tickets

  • any
  • March 2019
  • April 2019
  • May 2019
  • June 2019
  • July 2019
  • August 2019
  • September 2019
  • October 2019
  • November 2019
  • December 2019
  • January 2020
  • February 2020
  • any
  • March 2019
  • April 2019
  • May 2019
  • June 2019
  • July 2019
  • August 2019
  • September 2019
  • October 2019
  • November 2019
  • December 2019
  • January 2020
  • February 2020
  • price
  • month of departure
  • month of return
£319
outward: 10-Oct-2019
15:05 LHR » 02:56 SEA
Lufthansa 1 stop (11h51m)
inbound: 15-Oct-2019
16:00 SEA » 06:55 LHR
Lufthansa 1 stop (14h55m)
£327
outward: 03-Apr-2019
10:50 LGW » 20:45 SEA
Norwegian Air UK direct (9h55m)
inbound: 10-Apr-2019
22:45 SEA » 08:00 LGW
Norwegian Air UK direct (9h15m)
£329
outward: 16-Oct-2019
10:50 LGW » 20:45 SEA
Norwegian Air UK direct (9h55m)
inbound: 23-Oct-2019
22:45 SEA » 08:00 LGW
Norwegian Air UK direct (9h15m)
£330
outward: 07-Oct-2019
10:50 LGW » 20:45 SEA
Norwegian Air UK direct (9h55m)
inbound: 21-Oct-2019
22:45 SEA » 08:00 LGW
Norwegian Air UK direct (9h15m)
£338
outward: 30-Sep-2019
10:50 LGW » 20:45 SEA
Norwegian Air UK direct (9h55m)
inbound: 18-Oct-2019
22:45 SEA » 08:00 LGW
Norwegian Air UK direct (9h15m)
£341
outward: 27-Sep-2019
10:50 LGW » 20:45 SEA
Norwegian Air UK direct (9h55m)
inbound: 18-Oct-2019
22:45 SEA » 08:00 LGW
Norwegian Air UK direct (9h15m)
£341
outward: 20-Sep-2019
10:50 LGW » 20:45 SEA
Norwegian Air UK direct (9h55m)
inbound: 06-Oct-2019
22:45 SEA » 08:00 LGW
Norwegian Air UK direct (9h15m)
£345
outward: 16-Oct-2019
10:50 LGW » 20:45 SEA
Norwegian Air UK direct (9h55m)
inbound: 23-Oct-2019
22:45 SEA » 08:00 LGW
Norwegian Air UK direct (9h15m)
£346
outward: 10-Apr-2019
10:50 LGW » 20:45 SEA
Norwegian Air UK direct (9h55m)
inbound: 17-Apr-2019
22:45 SEA » 08:00 LGW
Norwegian Air UK direct (9h15m)
£350
outward: 26-Apr-2019
08:30 LHR » 05:18 SEA
Lufthansa 1 stop (20h48m)
inbound: 03-May-2019
16:20 SEA » 07:55 LHR
Unknown Company 1 stop (15h35m)
£353
outward: 21-Apr-2019
10:50 LGW » 20:45 SEA
Norwegian Air UK direct (9h55m)
inbound: 28-Apr-2019
22:45 SEA » 08:00 LGW
Norwegian Air UK direct (9h15m)
£354
outward: 13-Sep-2019
10:50 LGW » 20:45 SEA
Norwegian Air UK direct (9h55m)
inbound: 27-Sep-2019
22:45 SEA » 08:00 LGW
Norwegian Air UK direct (9h15m)
£359
outward: 27-Sep-2019
10:50 LGW » 20:45 SEA
Norwegian Air UK direct (9h55m)
inbound: 18-Oct-2019
22:45 SEA » 08:00 LGW
Norwegian Air UK direct (9h15m)
£363
outward: 29-Apr-2019
10:50 LGW » 20:45 SEA
Norwegian Air UK direct (9h55m)
inbound: 06-May-2019
22:45 SEA » 08:00 LGW
Norwegian Air UK direct (9h15m)
£364
outward: 26-Apr-2019
10:50 LGW » 20:45 SEA
Norwegian Air UK direct (9h55m)
inbound: 12-May-2019
22:45 SEA » 08:00 LGW
Norwegian Air UK direct (9h15m)
£366
outward: 01-Apr-2019
10:50 LGW » 20:45 SEA
Norwegian Air UK direct (9h55m)
inbound: 03-May-2019
22:45 SEA » 08:00 LGW
Norwegian Air UK direct (9h15m)
£372
outward: 26-Apr-2019
10:50 LGW » 20:45 SEA
Norwegian Air UK direct (9h55m)
inbound: 12-May-2019
22:45 SEA » 08:00 LGW
Norwegian Air UK direct (9h15m)
£377
outward: 01-Sep-2019
08:30 LHR » 05:12 SEA
United Airlines 1 stop (20h42m)
inbound: 15-Sep-2019
01:05 SEA » 15:10 LHR
United Airlines 1 stop (14h05m)
£378
outward: 09-Apr-2019
09:30 LHR » 07:27 SEA
United Airlines 1 stop (21h57m)
inbound: 16-Apr-2019
21:39 SEA » 10:40 LHR
United Airlines 1 stop (13h01m)
£379
outward: 25-Apr-2019
08:55 LHR » 07:12 SEA
United Airlines 2 stops (22h17m)
inbound: 02-May-2019
20:30 SEA » 21:40 LHR
United Airlines 1 stop (25h10m)
£379
outward: 25-Apr-2019
08:55 LHR » 07:12 SEA
United Airlines 2 stops (22h17m)
inbound: 02-May-2019
20:30 SEA » 21:40 LHR
United Airlines 1 stop (25h10m)
£380
outward: 23-Sep-2019
10:50 LGW » 20:45 SEA
Norwegian Air UK direct (9h55m)
inbound: 30-Sep-2019
22:45 SEA » 08:00 LGW
Norwegian Air UK direct (9h15m)
£381
outward: 23-Sep-2019
10:50 LGW » 20:45 SEA
Norwegian Air UK direct (9h55m)
inbound: 30-Sep-2019
22:45 SEA » 08:00 LGW
Norwegian Air UK direct (9h15m)
£382
outward: 14-May-2019
07:30 LHR » 20:55 SEA
United Airlines 1 stop (13h25m)
inbound: 04-Jun-2019
08:15 SEA » 21:40 LHR
United Airlines 1 stop (13h25m)
£383
outward: 15-Sep-2019
11:00 LGW » 20:55 SEA
Norwegian Air UK direct (9h55m)
inbound: 25-Sep-2019
22:45 SEA » 08:00 LGW
Norwegian Air UK direct (9h15m)
£384
outward: 23-Sep-2019
10:50 LGW » 20:45 SEA
Norwegian Air UK direct (9h55m)
inbound: 30-Sep-2019
22:45 SEA » 08:00 LGW
Norwegian Air UK direct (9h15m)
£384
outward: 01-Sep-2019
08:30 LHR » 05:12 SEA
United Airlines 1 stop (20h42m)
inbound: 10-Sep-2019
15:15 SEA » 10:40 LHR
United Airlines 1 stop (19h25m)
£384
outward: 12-Sep-2019
08:55 LHR » 06:27 SEA
United Airlines 1 stop (21h32m)
inbound: 26-Sep-2019
15:30 SEA » 07:55 LHR
United Airlines 1 stop (16h25m)
£385
outward: 17-Jun-2019
10:25 LHR » 07:18 SEA
Virgin Atlantic 1 stop (20h53m)
inbound: 05-Jul-2019
15:15 SEA » 07:40 LHR
Virgin Atlantic 1 stop (16h25m)
£386
outward: 25-Apr-2019
08:55 LHR » 07:27 SEA
United Airlines 2 stops (22h32m)
inbound: 02-May-2019
20:30 SEA » 21:40 LHR
United Airlines 1 stop (25h10m)
Return
Departure
19 April Apr Friday $retDate.dayShortName
20 April Apr Saturday $retDate.dayShortName
21 April Apr Sunday $retDate.dayShortName
22 April Apr Monday $retDate.dayShortName
23 April Apr Tuesday $retDate.dayShortName
24 April Apr Wednesday $retDate.dayShortName
25 April Apr Thursday $retDate.dayShortName
10 April Apr Wednesday $outDate.dayShortName
£436
11 April Apr Thursday $outDate.dayShortName
12 April Apr Friday $outDate.dayShortName
£395 £375
13 April Apr Saturday $outDate.dayShortName
£708
14 April Apr Sunday $outDate.dayShortName
£594
15 April Apr Monday $outDate.dayShortName
£392 £417
16 April Apr Tuesday $outDate.dayShortName
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:

Airlines operating flights from London to Seattle

  • any
  • March 2019
  • April 2019
  • May 2019
  • June 2019
  • July 2019
  • August 2019
  • September 2019
  • October 2019
  • November 2019
  • December 2019
  • January 2020
  • February 2020
  • all
  • Aer Lingus
  • Air Canada
  • British Airways
  • Brussels Airlines
  • Delta Air Lines
  • Finnair
  • Iberia
  • Icelandair
  • KLM
  • Lufthansa
  • United Airlines
  • Virgin Atlantic
  • WestJet
outbound: 25-May-2019
WestJet 1 stop
return: 31-May-2019
Alaska Airlines 1 stop
outbound: 10-Oct-2019
United Airlines 1 stop
return: 15-Oct-2019
United Airlines 1 stop
outbound: 10-Oct-2019
Lufthansa 1 stop
return: 15-Oct-2019
United Airlines 1 stop
outbound: 21-Jun-2019
Air Canada 1 stop
return: 24-Jun-2019
United Airlines 1 stop
outbound: 24-Jul-2019
Iberia direct
return: 02-Aug-2019
Iberia direct
outbound: 24-Jul-2019
Brussels Airlines 1 stop
return: 02-Aug-2019
United Airlines 1 stop
outbound: 20-Sep-2019
Virgin Atlantic direct
return: 06-Oct-2019
Virgin Atlantic 1 stop
outbound: 23-Sep-2019
Finnair 1 stop
return: 30-Sep-2019
Finnair 1 stop
outbound: 24-May-2019
KLM 1 stop
return: 08-Jun-2019
KLM 1 stop
outbound: 23-May-2019
Aer Lingus 1 stop
return: 06-Jun-2019
Aer Lingus 1 stop
outbound: 03-Sep-2019
Icelandair 1 stop
return: 12-Sep-2019
Icelandair 1 stop
outbound: 13-Apr-2019
British Airways 1 stop
return: 20-Apr-2019
British Airways 2 stops
outbound: 05-Jul-2019
Delta Air Lines 1 stop
return: 21-Jul-2019
Delta Air Lines 1 stop

About London - Seattle flights

Average flight duration: 9h35m (direct flight)

  • Arrival city:
  • Seattle, USA
  • Airport(s):
  • Kenmore Air Harbor Seaplane Base (LKE)
  • Seattle–Tacoma International Airport (SEA)
  • Local time:
  • 23-Mar-2019 21:45, GMT-7
  • Weather:
  • min. 6ºC, max. 16ºC
  • 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:
  • 24-Mar-2019 04:45, GMT+0
  • Weather:
  • min. 6ºC, max. 13ºC

Most popular cheap hotels in Seattle