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Find Flight Deals from London to Seattle/Tacoma Intl (LON - SEA)

Dates flexible? Here are the best fares found in the past 48 hours...

Book cheap flights from London to Seattle/Tacoma Intl

(Round-trip)
Depart: Fri Nov 20 2015 Return: Mon Nov 30 2015 Trip spans 11 days
Icelandair
Icelandair
LGW
7:30a
SEA
7:40p
12h 10m
1 stop
SEA
10:30a
LGW
10:15p
11h 45m
1 stop
Depart: Wed Jun 10 2015 Return: Wed Jul 15 2015 Trip spans 36 days
Delta
Delta
LHR
9:05a
SEA
7:11p
10h 06m
nonstop
SEA
10:20a
LHR
3:50a
17h 30m
1 stop
Depart: Wed Nov 25 2015 Return: Sun Nov 29 2015 Trip spans 5 days
Icelandair
Icelandair
LHR
8:00a
SEA
7:40p
11h 40m
1 stop
SEA
10:30a
LHR
6:30a
20h 00m
1 stop
Depart: Mon Jun 8 2015 Return: Wed Jul 15 2015 Trip spans 38 days
Iberia
Iberia
LHR
3:45a
SEA
11:54p
20h 09m
1 stop
SEA
7:59p
LHR
10:45a
14h 46m
1 stop
Depart: Thu Jun 18 2015 Return: Sun Jun 21 2015 Trip spans 4 days
US Airways
US Airways
LHR
10:25a
SEA
5:29a
19h 04m
2 stops
SEA
8:25p
LHR
7:40p
23h 15m
1 stop
Depart: Fri Sep 11 2015 Return: Sun Sep 20 2015 Trip spans 10 days
$1033
Select
American Airlines
American Airlines
LHR
8:50a
SEA
1:25a
16h 35m
1 stop
SEA
10:45a
LHR
2:20a
15h 35m
1 stop
Depart: Wed Aug 26 2015 Return: Tue Sep 1 2015 Trip spans 7 days
$1092
Select
United
United
LHR
6:05a
SEA
2:11a
20h 06m
1 stop
SEA
2:00a
LHR
9:20p
19h 20m
2 stops
Depart: Sun Aug 30 2015 Return: Sat Sep 5 2015 Trip spans 7 days
$1384
Select
Air Canada
Air Canada
LHR
4:30a
SEA
11:17p
18h 47m
1 stop
SEA
7:05p
LHR
8:35p
25h 30m
1 stop
Depart: Sun Jul 19 2015 Return: Sat Jul 25 2015 Trip spans 7 days
$1627
Select
LOT Polish Air
LOT Polish Air
LHR
6:15a
SEA
5:10a
22h 55m
2 stops
SEA
2:44a
LHR
5:00a
26h 16m
2 stops
Depart: Fri Jun 26 2015 Return: Sat Jul 4 2015 Trip spans 9 days
$1934
Select
British Airways
British Airways
LHR
5:40a
SEA
3:15p
9h 35m
nonstop
SEA
10:00a
LHR
7:10p
9h 10m
nonstop
Depart: Sun Jun 14 2015 Return: Tue Jun 16 2015 Trip spans 3 days
$2388
Select
KLM Royal Dutch
KLM Royal Dutch
LHR
9:05a
SEA
7:11p
10h 06m
nonstop
SEA
3:15p
LHR
1:00a
9h 45m
nonstop
Direct flights LON to SEA on Delta
Flight # Depart LHR Arrive SEA Sun Mon Tue Wed Thu Fri Sat Valid Between
36 1:05 pm 3:20 pm Jul 1 - Aug 31
36 1:05 pm 3:11 pm Jun 4 - Jun 30
36 1:05 pm 3:18 pm May 21 - Jun 3
Airports
Origin

London
only $740
only $720
Destination

Seattle
$720