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

Depart
Return
1 adult
Adults
18-64
Seniors
65+
Youth
12-17
Child
2-11
Seat Infant
under 2
Lap Infant
under 2
The price shown for each flight will be the average for all passengers including any infants.
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Book cheap flights from Seattle/Tacoma Intl to London

(Round-trip)
Depart: Fri Dec 4 2015 Return: Sun Dec 6 2015 Trip spans 3 days
United
United
SEA
4:25a
LHR
10:15p
17h 50m
1 stop
LHR
1:30a
SEA
3:20p
13h 50m
1 stop
Depart: Fri Nov 13 2015 Return: Sun Nov 15 2015 Trip spans 3 days
Lufthansa
Lufthansa
SEA
1:47a
LHR
6:55p
17h 08m
1 stop
LHR
1:30a
SEA
3:20p
13h 50m
1 stop
Depart: Tue Nov 10 2015 Return: Mon Nov 16 2015 Trip spans 7 days
British Airways
British Airways
SEA
1:00p
LHR
10:30p
9h 30m
nonstop
LHR
9:15a
SEA
7:05p
9h 50m
nonstop
Depart: Wed Sep 23 2015 Return: Tue Sep 29 2015 Trip spans 7 days
US Airways
US Airways
SEA
7:59p
LHR
10:45a
14h 46m
1 stop
LHR
6:15a
SEA
1:00a
18h 45m
1 stop
Depart: Fri Nov 6 2015 Return: Sun Nov 22 2015 Trip spans 17 days
Icelandair
Icelandair
SEA
10:30a
LGW
10:15p
11h 45m
1 stop
LGW
3:55p
SEA
7:40p
27h 45m
1 stop
Depart: Tue Nov 24 2015 Return: Sun Dec 6 2015 Trip spans 13 days
Icelandair
Icelandair
SEA
10:30a
LHR
6:30a
20h 00m
1 stop
LHR
8:00a
SEA
7:40p
11h 40m
1 stop
Depart: Fri Oct 23 2015 Return: Fri Nov 6 2015 Trip spans 15 days
Finnair
Finnair
SEA
10:00a
LHR
7:10p
9h 10m
nonstop
LHR
9:15a
SEA
7:05p
9h 50m
nonstop
Depart: Fri Feb 5 2016 Return: Tue Feb 9 2016 Trip spans 5 days
American Airlines
American Airlines
SEA
8:40a
LHR
6:00p
9h 20m
nonstop
LHR
9:10a
SEA
7:05p
9h 55m
nonstop
Depart: Tue Oct 27 2015 Return: Sun Nov 1 2015 Trip spans 6 days
Air Canada
Air Canada
SEA
12:10p
LHR
12:50a
12h 40m
1 stop
LHR
9:25a
SEA
9:31p
12h 06m
1 stop
Depart: Sun Jan 17 2016 Return: Sat Jan 30 2016 Trip spans 14 days
Major Airline
Major Airline
SEA
5:00a
LHR
6:00p
13h 00m
1 stop
LHR
9:00a
SEA
9:00p
12h 00m
1 stop
Depart: Fri Dec 18 2015 Return: Mon Dec 21 2015 Trip spans 4 days
Delta
Delta
SEA
6:00a
LGW
9:35p
15h 35m
1 stop
LGW
6:20a
SEA
12:15a
17h 55m
1 stop
Depart: Sat Sep 5 2015 Return: Sun Sep 6 2015 Trip spans 2 days
$1060
Select
Delta
Delta
SEA
2:00a
LHR
6:40p
16h 40m
2 stops
LHR
4:40a
SEA
7:51p
15h 11m
1 stop
Direct flights SEA to LON on Delta
Flight # Depart SEA Arrive LHR Sun Mon Tue Wed Thu Fri Sat Valid Between
37 7:10 pm 1:00 pm Sep 20 - Sep 27
37 7:10 pm 1:00 pm Sep 1 - Sep 19
37 7:10 pm 1:00 pm Oct 4 - Oct 12
37 7:10 pm 1:00 pm Sep 21 - Oct 3
Airports
Origin

Seattle
$759
Destination

London
only $759
only $782