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

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

Book cheap flights from Seattle/Tacoma Intl to London Heathrow

(Round-trip)
Depart: Sat Feb 28 2015 Return: Sun Mar 1 2015 Trip spans 2 days
Air Canada
Air Canada
SEA
3:00a
LHR
12:05a
21h 05m
2 stops
LHR
1:00p
SEA
12:21a
35h 21m
1 stop
Depart: Wed Apr 22 2015 Return: Thu Apr 30 2015 Trip spans 9 days
Icelandair
Icelandair
SEA
12:30p
LHR
8:10a
19h 40m
1 stop
LHR
9:00a
SEA
9:45p
12h 45m
1 stop
Depart: Wed Mar 4 2015 Return: Wed Apr 8 2015 Trip spans 35 days
$1003
Select
Multiple Airlines
Multiple Airlines
SEA
9:37a
LHR
10:35p
12h 58m
1 stop
LHR
11:30a
SEA
9:05p
9h 35m
nonstop
Depart: Wed Feb 4 2015 Return: Wed Feb 25 2015 Trip spans 22 days
$1021
Select
Finnair
Finnair
SEA
2:00a
LHR
5:20p
15h 20m
1 stop
LHR
9:15a
SEA
7:05p
9h 50m
nonstop
Depart: Sun Feb 15 2015 Return: Thu Feb 26 2015 Trip spans 12 days
$1025
Select
Delta
Delta
SEA
4:48a
LHR
2:25a
21h 37m
1 stop
LHR
5:55a
SEA
2:52a
20h 57m
1 stop
Depart: Tue Mar 3 2015 Return: Tue Mar 10 2015 Trip spans 7 days
$1025
Select
United
United
SEA
4:30a
LHR
10:30p
18h 00m
2 stops
LHR
5:30a
SEA
2:58a
21h 28m
1 stop
Depart: Tue Mar 17 2015 Return: Tue Mar 24 2015 Trip spans 8 days
$1043
Select
British Airways
British Airways
SEA
3:00p
LHR
12:30a
9h 30m
nonstop
LHR
10:15a
SEA
8:05p
9h 50m
nonstop
Depart: Sat Mar 7 2015 Return: Thu Mar 19 2015 Trip spans 12 days
$1059
Select
US Airways
US Airways
SEA
6:25a
LHR
8:35p
14h 10m
1 stop
LHR
7:25a
SEA
12:13a
16h 48m
1 stop
Depart: Fri Mar 13 2015 Return: Mon Apr 13 2015 Trip spans 32 days
$1059
Select
Virgin Atlantic
Virgin Atlantic
SEA
3:52p
LHR
1:25a
9h 33m
nonstop
LHR
9:05a
SEA
7:23p
10h 18m
nonstop
Depart: Mon Apr 13 2015 Return: Tue Apr 21 2015 Trip spans 9 days
$1131
Select
Aeroflot
Aeroflot
SEA
6:45p
LHR
9:25a
38h 40m
2 stops
LHR
6:45p
SEA
1:55a
31h 10m
2 stops
Depart: Thu May 14 2015 Return: Fri May 22 2015 Trip spans 9 days
$1172
Select
American Airlines
American Airlines
SEA
8:45p
LHR
10:10a
13h 25m
1 stop
LHR
7:00a
SEA
12:51a
17h 51m
1 stop
Depart: Mon Jul 20 2015 Return: Mon Jul 27 2015 Trip spans 8 days
$1311
Select
Lufthansa
Lufthansa
SEA
12:15p
LHR
11:40p
11h 25m
1 stop
LHR
1:50p
SEA
3:30p
25h 40m
2 stops
Depart: Sat Jun 13 2015 Return: Tue Jun 30 2015 Trip spans 18 days
$1415
Select
Iberia
Iberia
SEA
3:23a
LHR
10:20p
18h 57m
1 stop
LHR
4:25a
SEA
1:25a
21h 00m
1 stop
Change your search
Direct flights SEA to LHR on Delta
Flight # Depart SEA Arrive LHR Sun Mon Tue Wed Thu Fri Sat Valid Between
37 5:19 pm 11:05 am Feb 3 - Feb 10
37 5:19 pm 11:05 am Feb 16 - Feb 25
37 6:39 pm 12:25 pm Feb 1 - Feb 12
37 6:39 pm 12:25 pm Feb 21 - Feb 28
37 6:39 pm 12:25 pm Feb 13 - Feb 19
37 6:52 pm 12:25 pm Mar 1 - Mar 7
37 7:52 pm 12:25 pm Mar 8 - Mar 17
Airports
Origin

Seattle
$787
Destination

London
$787