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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 4 Sep 2015 Return: Mon 7 Sep 2015 Trip spans 4 days
£497
Select
Icelandair
Icelandair
LGW
09:10
SEA
21:45
12h 35m
1 stop
SEA
12:30
LGW
23:45
11h 15m
1 stop
Depart: Tue 1 Sep 2015 Return: Tue 29 Sep 2015 Trip spans 29 days
£512
Select
Icelandair
Icelandair
LHR
17:10
SEA
21:45
28h 35m
1 stop
SEA
12:15
LHR
23:45
11h 30m
1 stop
Depart: Thu 23 Apr 2015 Return: Sun 26 Apr 2015 Trip spans 4 days
£630
Select
United
United
LHR
06:35
SEA
03:39
21h 04m
2 stops
SEA
07:29
LHR
00:20
16h 51m
1 stop
Depart: Sat 30 May 2015 Return: Mon 15 Jun 2015 Trip spans 17 days
£634
Select
WestJet
WestJet
GLA
05:30
SEA
17:27
35h 57m
2 stops
SEA
17:55
GLA
20:00
26h 05m
2 stops
Depart: Thu 14 May 2015 Return: Sun 31 May 2015 Trip spans 18 days
£635
Select
American Airlines
American Airlines
LHR
10:00
SEA
02:09
16h 09m
1 stop
SEA
07:10
LHR
02:20
19h 10m
1 stop
Depart: Tue 2 Jun 2015 Return: Thu 2 Jul 2015 Trip spans 31 days
£640
Select
Air France
Air France
MAN
02:45
SEA
18:50
16h 05m
1 stop
SEA
09:09
MAN
23:00
13h 51m
1 stop
Depart: Thu 11 Jun 2015 Return: Thu 25 Jun 2015 Trip spans 15 days
£642
Select
British Airways
British Airways
MAN
07:00
SEA
01:06
18h 06m
1 stop
SEA
03:00
MAN
21:05
18h 05m
2 stops
Depart: Mon 21 Sep 2015 Return: Thu 1 Oct 2015 Trip spans 11 days
£644
Select
US Airways
US Airways
GLA
06:20
SEA
01:13
18h 53m
1 stop
SEA
02:40
GLA
18:55
16h 15m
1 stop
Depart: Wed 26 Aug 2015 Return: Wed 9 Sep 2015 Trip spans 15 days
£645
Select
Brussels Airlines
Brussels Airlines
MAN
02:25
SEA
00:25
22h 00m
2 stops
SEA
06:27
MAN
22:15
15h 48m
2 stops
Depart: Mon 1 Jun 2015 Return: Sun 28 Jun 2015 Trip spans 28 days
£646
Select
US Airways
US Airways
MAN
07:00
SEA
03:38
20h 38m
1 stop
SEA
07:35
MAN
20:50
13h 15m
1 stop
Depart: Thu 3 Sep 2015 Return: Tue 22 Sep 2015 Trip spans 20 days
£646
Select
KLM Royal Dutch
KLM Royal Dutch
MAN
05:05
SEA
22:50
17h 45m
2 stops
SEA
09:43
MAN
02:40
16h 57m
1 stop
Depart: Sat 2 May 2015 Return: Sun 17 May 2015 Trip spans 16 days
£663
Select
SAS
SAS
LHR
02:40
SEA
00:16
21h 36m
2 stops
SEA
03:02
LHR
04:00
24h 58m
2 stops
Depart: Thu 27 Aug 2015 Return: Thu 3 Sep 2015 Trip spans 8 days
£671
Select
British Airways
British Airways
GLA
03:50
SEA
21:05
17h 15m
1 stop
SEA
15:15
GLA
07:35
16h 20m
1 stop
Depart: Thu 18 Jun 2015 Return: Mon 22 Jun 2015 Trip spans 5 days
£673
Select
Delta
Delta
LHR
09:00
SEA
01:10
16h 10m
1 stop
SEA
15:15
LHR
01:00
9h 45m
nonstop
Depart: Tue 9 Jun 2015 Return: Tue 7 Jul 2015 Trip spans 29 days
£687
Select
US Airways
US Airways
LHR
06:15
SEA
22:54
16h 39m
1 stop
SEA
20:45
LHR
10:10
13h 25m
1 stop
Depart: Sun 16 Aug 2015 Return: Wed 2 Sep 2015 Trip spans 18 days
£702
Select
United
United
MAN
04:55
SEA
15:30
34h 35m
1 stop
SEA
03:00
MAN
22:15
19h 15m
2 stops
Depart: Wed 12 Aug 2015 Return: Thu 3 Sep 2015 Trip spans 23 days
£801
Select
Icelandair
Icelandair
MAN
09:25
SEA
21:45
12h 20m
1 stop
SEA
12:30
MAN
23:35
11h 05m
1 stop
Depart: Mon 27 Jul 2015 Return: Wed 5 Aug 2015 Trip spans 10 days
£868
Select
Air Canada
Air Canada
MAN
08:00
SEA
13:24
29h 24m
2 stops
SEA
05:55
MAN
22:15
16h 20m
2 stops
Depart: Thu 25 Jun 2015 Return: Thu 23 Jul 2015 Trip spans 29 days
£880
Select
KLM Royal Dutch
KLM Royal Dutch
GLA
02:05
SEA
15:09
13h 04m
1 stop
SEA
14:10
GLA
09:45
19h 35m
1 stop
Depart: Thu 2 Apr 2015 Return: Thu 30 Apr 2015 Trip spans 29 days
£888
Select
KLM Royal Dutch
KLM Royal Dutch
LHR
09:05
SEA
19:23
10h 18m
nonstop
SEA
15:10
LHR
01:00
9h 50m
nonstop
Airports
Origin

London
only £512
only £497
Manchester
£640
Glasgow
£634
Destination

Seattle
£497