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Find flight deals from United Kingdom to Seattle/Tacoma Intl

Flexible dates? Here are the best fares found in the past 48 hours...

Book cheap flights to Seattle/Tacoma Intl

(Round-trip)
Depart: Fri 13 Mar 2015 Return: Mon 16 Mar 2015 Trip spans 4 days
Icelandair
Icelandair
LGW
08:30
SEA
20:40
12h 10m
1 stop
SEA
12:30
LGW
00:15
11h 45m
1 stop
Depart: Sat 10 Jan 2015 Return: Mon 19 Jan 2015 Trip spans 10 days
Icelandair
Icelandair
LHR
15:35
SEA
19:40
28h 05m
1 stop
SEA
10:30
LHR
22:30
12h 00m
1 stop
Depart: Fri 9 Jan 2015 Return: Fri 30 Jan 2015 Trip spans 22 days
SAS
SAS
LHR
01:40
SEA
00:16
22h 36m
2 stops
SEA
04:02
LHR
04:00
23h 58m
2 stops
Depart: Thu 4 Dec 2014 Return: Thu 11 Dec 2014 Trip spans 8 days
Air Canada
Air Canada
LHR
09:25
SEA
21:29
12h 04m
1 stop
SEA
07:35
LHR
22:15
14h 40m
1 stop
Depart: Tue 9 Dec 2014 Return: Wed 7 Jan 2015 Trip spans 30 days
United
United
LHR
02:50
SEA
23:36
20h 46m
2 stops
SEA
18:01
LHR
17:55
23h 54m
1 stop
Depart: Mon 15 Dec 2014 Return: Tue 30 Dec 2014 Trip spans 16 days
Delta
Delta
MAN
01:45
SEA
23:21
21h 36m
2 stops
SEA
13:42
MAN
04:45
15h 03m
1 stop
Depart: Wed 10 Dec 2014 Return: Wed 17 Dec 2014 Trip spans 8 days
Delta
Delta
LHR
05:55
SEA
23:21
17h 26m
1 stop
SEA
06:30
LHR
19:25
12h 55m
1 stop
Depart: Thu 25 Dec 2014 Return: Wed 14 Jan 2015 Trip spans 21 days
KLM Royal Dutch
KLM Royal Dutch
LHR
08:00
SEA
12:34
484h 34m
2 stops
SEA
13:37
LHR
23:25
9h 48m
nonstop
Depart: Mon 1 Dec 2014 Return: Mon 8 Dec 2014 Trip spans 8 days
Air France
Air France
LHR
10:15
SEA
13:55
171h 40m
2 stops
SEA
13:42
LHR
23:25
9h 43m
nonstop
Depart: Wed 15 Apr 2015 Return: Wed 27 May 2015 Trip spans 43 days
Lufthansa
Lufthansa
MAN
02:25
SEA
15:40
13h 15m
1 stop
SEA
08:50
MAN
18:55
34h 05m
1 stop
Depart: Thu 18 Dec 2014 Return: Wed 31 Dec 2014 Trip spans 14 days
British Airways
British Airways
MAN
04:55
SEA
19:05
14h 10m
1 stop
SEA
06:50
MAN
23:55
17h 05m
2 stops
Depart: Tue 7 Apr 2015 Return: Mon 13 Apr 2015 Trip spans 7 days
Icelandair
Icelandair
GLA
10:05
SEA
21:45
11h 40m
1 stop
SEA
12:30
GLA
22:40
10h 10m
1 stop
Depart: Tue 23 Dec 2014 Return: Tue 30 Dec 2014 Trip spans 8 days
American Airlines
American Airlines
GLA
03:30
SEA
00:15
20h 45m
2 stops
SEA
06:50
GLA
01:35
18h 45m
2 stops
Depart: Mon 8 Dec 2014 Return: Mon 29 Dec 2014 Trip spans 22 days
Lufthansa
Lufthansa
LHR
01:30
SEA
18:44
17h 14m
2 stops
SEA
09:05
LHR
02:40
17h 35m
1 stop
Depart: Wed 13 May 2015 Return: Wed 20 May 2015 Trip spans 8 days
Multiple Airlines
Multiple Airlines
MAN
07:15
SEA
16:10
32h 55m
1 stop
SEA
09:40
MAN
05:05
19h 25m
1 stop
Depart: Sun 29 Mar 2015 Return: Tue 14 Apr 2015 Trip spans 17 days
American Airlines
American Airlines
LHR
03:45
SEA
19:15
15h 30m
1 stop
SEA
03:00
LHR
23:00
20h 00m
1 stop
Depart: Sun 28 Dec 2014 Return: Mon 12 Jan 2015 Trip spans 16 days
US Airways
US Airways
LHR
06:40
SEA
23:53
17h 13m
1 stop
SEA
09:37
LHR
22:35
12h 58m
1 stop
Depart: Sat 20 Dec 2014 Return: Sat 10 Jan 2015 Trip spans 22 days
Virgin Atlantic
Virgin Atlantic
EDI
13:40
SEA
18:21
28h 41m
1 stop
SEA
02:07
EDI
23:50
21h 43m
2 stops
Depart: Wed 27 May 2015 Return: Wed 10 Jun 2015 Trip spans 15 days
US Airways
US Airways
MAN
07:00
SEA
01:06
18h 06m
1 stop
SEA
04:35
MAN
20:50
16h 15m
1 stop
Depart: Fri 27 Mar 2015 Return: Mon 13 Apr 2015 Trip spans 18 days
Iberia
Iberia
LHR
10:25
SEA
02:00
15h 35m
1 stop
SEA
03:00
LHR
18:20
15h 20m
1 stop
Change your search
Airports
Origin

Glasgow
£653
London
only £503
only £486
Edinburgh
£703
Manchester
£587
Destination

Seattle
£486