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Find flight deals from Seattle/Tacoma Intl to London (SEA - LON)

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

Book cheap flights from Seattle/Tacoma Intl to London

(Round-trip)
Depart: Fri, 16 Jan, 2015 Return: Sun, 25 Jan, 2015 Trip spans 10 days
Aer Lingus
Aer Lingus
SEA
01:10
LGW
07:20
30h 10m
2 stops
LGW
04:00
SEA
00:59
20h 59m
2 stops
Depart: Sun, 14 Dec, 2014 Return: Wed, 31 Dec, 2014 Trip spans 18 days
United
United
SEA
08:33
LHR
22:30
13h 57m
2 stops
LHR
05:30
SEA
03:58
22h 28m
2 stops
Depart: Mon, 17 Nov, 2014 Return: Sat, 22 Nov, 2014 Trip spans 6 days
Brussels Airlines
Brussels Airlines
SEA
01:10
LHR
04:05
26h 55m
2 stops
LHR
06:15
SEA
23:51
41h 36m
2 stops
Depart: Tue, 18 Nov, 2014 Return: Sat, 22 Nov, 2014 Trip spans 5 days
Brussels Airlines
Brussels Airlines
SEA
02:05
LHR
08:10
30h 05m
2 stops
LHR
06:15
SEA
23:51
41h 36m
2 stops
Depart: Wed, 19 Nov, 2014 Return: Sat, 22 Nov, 2014 Trip spans 4 days
Brussels Airlines
Brussels Airlines
SEA
05:55
LHR
04:05
22h 10m
2 stops
LHR
06:15
SEA
23:51
41h 36m
2 stops
Depart: Wed, 12 Nov, 2014 Return: Sat, 15 Nov, 2014 Trip spans 4 days
Austrian Airlines
Austrian Airlines
SEA
02:05
LHR
08:25
30h 20m
2 stops
LHR
04:05
SEA
23:51
43h 46m
2 stops
Depart: Thu, 11 Dec, 2014 Return: Sat, 13 Dec, 2014 Trip spans 3 days
Austrian Airlines
Austrian Airlines
SEA
02:04
LHR
08:25
30h 21m
2 stops
LHR
14:35
SEA
23:36
33h 01m
2 stops
Depart: Thu, 25 Dec, 2014 Return: Sun, 4 Jan, 2015 Trip spans 11 days
US Airways
US Airways
SEA
03:35
LHR
18:35
15h 00m
1 stop
LHR
06:40
SEA
23:53
17h 13m
1 stop
Depart: Wed, 24 Dec, 2014 Return: Sun, 4 Jan, 2015 Trip spans 12 days
American Airlines
American Airlines
SEA
19:20
LHR
18:45
23h 25m
1 stop
LHR
03:20
SEA
01:05
21h 45m
1 stop
Depart: Fri, 31 Oct, 2014 Return: Sun, 9 Nov, 2014 Trip spans 10 days
Delta
Delta
SEA
09:49
LHR
00:00
14h 11m
1 stop
LHR
05:55
SEA
23:36
17h 41m
1 stop
Depart: Thu, 15 Jan, 2015 Return: Sun, 25 Jan, 2015 Trip spans 11 days
Delta
Delta
SEA
19:50
LGW
18:05
22h 15m
2 stops
LGW
06:20
SEA
02:17
19h 57m
2 stops
Depart: Thu, 27 Nov, 2014 Return: Sat, 29 Nov, 2014 Trip spans 3 days
Brussels Airlines
Brussels Airlines
SEA
02:05
LHR
08:10
30h 05m
2 stops
LHR
06:15
SEA
21:37
39h 22m
2 stops
Depart: Mon, 22 Dec, 2014 Return: Sat, 3 Jan, 2015 Trip spans 13 days
United
United
SEA
08:20
LHR
22:30
14h 10m
2 stops
LHR
04:00
SEA
01:43
21h 43m
2 stops
Depart: Sun, 23 Nov, 2014 Return: Sat, 29 Nov, 2014 Trip spans 7 days
Brussels Airlines
Brussels Airlines
SEA
02:05
LHR
08:10
30h 05m
2 stops
LHR
06:15
SEA
21:37
39h 22m
2 stops
Depart: Tue, 25 Nov, 2014 Return: Sat, 29 Nov, 2014 Trip spans 5 days
Brussels Airlines
Brussels Airlines
SEA
02:05
LHR
08:10
30h 05m
2 stops
LHR
06:15
SEA
21:37
39h 22m
2 stops
Depart: Mon, 24 Nov, 2014 Return: Sat, 29 Nov, 2014 Trip spans 6 days
Austrian Airlines
Austrian Airlines
SEA
01:00
LHR
05:40
28h 40m
2 stops
LHR
14:35
SEA
23:37
33h 02m
2 stops
Depart: Sun, 21 Dec, 2014 Return: Sat, 3 Jan, 2015 Trip spans 14 days
Multiple Airlines
Multiple Airlines
SEA
19:20
LHR
09:40
14h 20m
1 stop
LHR
12:05
SEA
00:15
36h 10m
1 stop
Depart: Wed, 26 Nov, 2014 Return: Sat, 29 Nov, 2014 Trip spans 4 days
Brussels Airlines
Brussels Airlines
SEA
02:05
LHR
04:05
26h 00m
2 stops
LHR
06:15
SEA
21:37
39h 22m
2 stops
Depart: Sat, 13 Dec, 2014 Return: Wed, 31 Dec, 2014 Trip spans 19 days
Multiple Airlines
Multiple Airlines
SEA
20:00
LHR
06:10
34h 10m
1 stop
LHR
02:10
SEA
15:11
13h 01m
1 stop
Change your search
Direct flights SEA - LON on British Airways
Flight No. Departure SEA Arrival LHR Mon Tue Wed Thu Fri Sat Sun Valid between
52 14:05 07:30 30 Nov - 7 Dec
52 14:05 07:30 2 Nov - 23 Nov
48 18:00 11:30 2 Nov - 24 Dec
48 18:05 11:35 7 Nov - 7 Mar
48 19:05 11:35 25 Oct - 1 Nov
Airports
Origin

Seattle
£615
Destination

London
only £746
only £615