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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
3:00a
24h 00m
2 stops
LHR
1:00p
SEA
12:21a
35h 21m
1 stop
Depart: Mon Mar 9 2015 Return: Tue Mar 31 2015 Trip spans 23 days
Icelandair
Icelandair
SEA
12:30p
LHR
12:30a
12h 00m
1 stop
LHR
9:00a
SEA
9:45p
12h 45m
1 stop
Depart: Tue Mar 24 2015 Return: Fri Apr 24 2015 Trip spans 32 days
Multiple Airlines
Multiple Airlines
SEA
3:00p
LHR
12:30a
9h 30m
nonstop
LHR
11:30a
SEA
9:05p
9h 35m
nonstop
Depart: Mon Feb 16 2015 Return: Wed Feb 25 2015 Trip spans 10 days
$1010
Select
Finnair
Finnair
SEA
1:00p
LHR
10:30p
9h 30m
nonstop
LHR
9:15a
SEA
7:05p
9h 50m
nonstop
Depart: Tue Feb 10 2015 Return: Tue Feb 24 2015 Trip spans 15 days
$1025
Select
United
United
SEA
7:03a
LHR
10:30p
15h 27m
1 stop
LHR
5:30a
SEA
1:32a
20h 02m
1 stop
Depart: Wed Feb 11 2015 Return: Tue Feb 17 2015 Trip spans 7 days
$1025
Select
Delta
Delta
SEA
4:55a
LHR
11:00p
18h 05m
1 stop
LHR
10:00a
SEA
2:52a
16h 52m
1 stop
Depart: Mon Mar 16 2015 Return: Thu Mar 26 2015 Trip spans 11 days
$1044
Select
British Airways
British Airways
SEA
11:05a
LHR
8:30p
9h 25m
nonstop
LHR
10:15a
SEA
8:05p
9h 50m
nonstop
Depart: Tue Mar 17 2015 Return: Wed Apr 1 2015 Trip spans 16 days
$1045
Select
Iberia
Iberia
SEA
4:51a
LHR
9:40p
16h 49m
1 stop
LHR
3:45a
SEA
11:08p
19h 23m
1 stop
Depart: Mon Mar 23 2015 Return: Tue Mar 31 2015 Trip spans 9 days
$1057
Select
American Airlines
American Airlines
SEA
3:00p
LHR
12:30a
9h 30m
nonstop
LHR
6:15a
SEA
1:02a
18h 47m
1 stop
Depart: Fri Mar 20 2015 Return: Tue Mar 31 2015 Trip spans 12 days
$1060
Select
US Airways
US Airways
SEA
7:25a
LHR
11:30p
16h 05m
1 stop
LHR
11:30a
SEA
9:05p
9h 35m
nonstop
Depart: Thu Apr 9 2015 Return: Tue Apr 21 2015 Trip spans 13 days
$1133
Select
Aeroflot
Aeroflot
SEA
6:45p
LHR
12:05a
29h 20m
2 stops
LHR
6:45p
SEA
11:30p
28h 45m
2 stops
Depart: Sat May 16 2015 Return: Sun May 24 2015 Trip spans 9 days
$1247
Select
Lufthansa
Lufthansa
SEA
12:15p
LHR
11:40p
11h 25m
1 stop
LHR
2:50a
SEA
4:36a
25h 46m
2 stops
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 16 - Feb 25
37 5:19 pm 11:05 am Feb 3 - Feb 10
37 6:39 pm 12:25 pm Feb 21 - Feb 28
37 6:39 pm 12:25 pm Feb 13 - Feb 19
37 6:39 pm 12:25 pm Feb 1 - Feb 12
37 6:52 pm 12:25 pm Mar 1 - Mar 7
Airports
Origin

Seattle
$788
Destination

London
$788