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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: Thu 29 Oct 2015 Return: Mon 2 Nov 2015 Trip spans 5 days
£483
Select
Icelandair
Icelandair
LGW
08:30
SEA
20:40
12h 10m
1 stop
SEA
10:30
LGW
22:15
11h 45m
1 stop
Depart: Wed 14 Oct 2015 Return: Sat 31 Oct 2015 Trip spans 18 days
£527
Select
Icelandair
Icelandair
LHR
09:00
SEA
21:45
12h 45m
1 stop
SEA
12:30
LHR
07:30
20h 00m
1 stop
Depart: Thu 10 Sep 2015 Return: Thu 24 Sep 2015 Trip spans 15 days
£529
Select
American Airlines
American Airlines
GLA
03:50
SEA
02:55
23h 05m
2 stops
SEA
03:23
GLA
23:20
19h 57m
2 stops
Depart: Sun 7 Jun 2015 Return: Sat 13 Jun 2015 Trip spans 7 days
£591
Select
WestJet
WestJet
GLA
05:30
SEA
17:15
35h 45m
2 stops
SEA
14:59
GLA
20:00
29h 01m
3 stops
Depart: Tue 5 May 2015 Return: Tue 12 May 2015 Trip spans 8 days
£624
Select
Aeroflot
Aeroflot
LHR
18:45
SEA
02:02
31h 17m
2 stops
SEA
03:10
LHR
09:25
30h 15m
2 stops
Depart: Tue 1 Sep 2015 Return: Tue 22 Sep 2015 Trip spans 22 days
£629
Select
Brussels Airlines
Brussels Airlines
MAN
02:25
SEA
22:05
19h 40m
2 stops
SEA
04:05
MAN
22:15
18h 10m
2 stops
Depart: Wed 7 Oct 2015 Return: Wed 14 Oct 2015 Trip spans 8 days
£634
Select
SAS
SAS
MAN
06:20
SEA
03:09
20h 49m
2 stops
SEA
03:00
MAN
22:15
19h 15m
2 stops
Depart: Wed 6 May 2015 Return: Wed 20 May 2015 Trip spans 15 days
£643
Select
American Airlines
American Airlines
LHR
10:00
SEA
03:03
17h 03m
1 stop
SEA
06:20
LHR
02:20
20h 00m
1 stop
Depart: Wed 27 May 2015 Return: Tue 2 Jun 2015 Trip spans 7 days
£645
Select
US Airways
US Airways
GLA
02:55
SEA
01:02
22h 07m
2 stops
SEA
14:00
GLA
18:55
28h 55m
3 stops
Depart: Tue 26 May 2015 Return: Mon 1 Jun 2015 Trip spans 7 days
£653
Select
KLM Royal Dutch
KLM Royal Dutch
GLA
02:05
SEA
15:09
13h 04m
1 stop
SEA
09:43
GLA
04:05
18h 22m
1 stop
Depart: Wed 10 Jun 2015 Return: Thu 25 Jun 2015 Trip spans 16 days
£655
Select
Lufthansa
Lufthansa
MAN
06:55
SEA
00:23
17h 28m
1 stop
SEA
10:30
MAN
04:45
18h 15m
2 stops
Depart: Mon 31 Aug 2015 Return: Mon 21 Sep 2015 Trip spans 22 days
£656
Select
KLM Royal Dutch
KLM Royal Dutch
MAN
05:05
SEA
19:41
14h 36m
1 stop
SEA
11:45
MAN
02:40
14h 55m
2 stops
Depart: Thu 18 Jun 2015 Return: Thu 25 Jun 2015 Trip spans 8 days
£657
Select
US Airways
US Airways
MAN
07:00
SEA
01:06
18h 06m
1 stop
SEA
04:20
MAN
20:50
16h 30m
1 stop
Depart: Wed 13 May 2015 Return: Wed 3 Jun 2015 Trip spans 22 days
£668
Select
SAS
SAS
LHR
16:30
SEA
01:58
33h 28m
2 stops
SEA
02:40
LHR
05:00
26h 20m
2 stops
Depart: Sun 30 Aug 2015 Return: Tue 22 Sep 2015 Trip spans 24 days
£673
Select
United
United
MAN
08:00
SEA
01:18
17h 18m
2 stops
SEA
19:05
MAN
22:15
27h 10m
2 stops
Depart: Sun 17 May 2015 Return: Tue 9 Jun 2015 Trip spans 24 days
£697
Select
Delta
Delta
LHR
09:00
SEA
01:32
16h 32m
1 stop
SEA
15:15
LHR
01:00
9h 45m
nonstop
Depart: Wed 3 Jun 2015 Return: Wed 29 Jul 2015 Trip spans 57 days
£827
Select
Air Canada
Air Canada
LHR
04:30
SEA
22:46
18h 16m
2 stops
SEA
07:20
LHR
20:35
13h 15m
1 stop
Depart: Mon 4 May 2015 Return: Sun 24 May 2015 Trip spans 21 days
£887
Select
US Airways
US Airways
LHR
07:00
SEA
00:49
17h 49m
1 stop
SEA
09:10
LHR
23:25
14h 15m
1 stop
Depart: Fri 15 May 2015 Return: Fri 22 May 2015 Trip spans 8 days
£916
Select
Finnair
Finnair
LHR
11:30
SEA
21:05
9h 35m
nonstop
SEA
10:00
LHR
19:10
9h 10m
nonstop
Depart: Wed 5 Aug 2015 Return: Tue 18 Aug 2015 Trip spans 14 days
£928
Select
KLM Royal Dutch
KLM Royal Dutch
LCY
05:25
SEA
19:41
14h 16m
1 stop
SEA
09:42
LCY
23:05
13h 23m
1 stop
Airports
Origin

London
only £527
only £928
only £483
Manchester
£629
Glasgow
£529
Destination

Seattle
£483