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

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 Heathrow

(Round-trip)
Depart: Tue Nov 3 2015 Return: Mon Nov 16 2015 Trip spans 14 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 Jan 8 2016 Return: Sun Jan 10 2016 Trip spans 3 days
Lufthansa
Lufthansa
SEA
4:25a
LHR
10:15p
17h 50m
1 stop
LHR
1:30a
SEA
3:20p
13h 50m
1 stop
Depart: Thu Feb 4 2016 Return: Sun Feb 7 2016 Trip spans 4 days
United
United
SEA
6:59p
LHR
5:55p
22h 56m
1 stop
LHR
1:30a
SEA
3:20p
13h 50m
1 stop
Depart: Thu Feb 18 2016 Return: Sun Feb 21 2016 Trip spans 4 days
Delta
Delta
SEA
5:31p
LHR
5:50p
24h 19m
1 stop
LHR
1:30a
SEA
2:41p
13h 11m
1 stop
Depart: Mon Nov 2 2015 Return: Wed Nov 18 2015 Trip spans 17 days
Finnair
Finnair
SEA
1:00p
LHR
10:30p
9h 30m
nonstop
LHR
9:15a
SEA
7:05p
9h 50m
nonstop
Depart: Wed Dec 30 2015 Return: Fri Jan 8 2016 Trip spans 10 days
Air Canada
Air Canada
SEA
7:35a
LHR
10:15p
14h 40m
1 stop
LHR
9:25a
SEA
9:29p
12h 04m
1 stop
Depart: Sat Jan 9 2016 Return: Sat Jan 23 2016 Trip spans 15 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 Oct 23 2015 Return: Sun Oct 25 2015 Trip spans 3 days
KLM
KLM
SEA
3:00a
LHR
7:20p
16h 20m
1 stop
LHR
2:30a
SEA
3:07p
12h 37m
1 stop
Depart: Fri Oct 30 2015 Return: Sun Nov 1 2015 Trip spans 3 days
British Airways
British Airways
SEA
10:40a
LHR
8:00p
9h 20m
nonstop
LHR
9:15a
SEA
7:05p
9h 50m
nonstop
Depart: Thu Jan 7 2016 Return: Sat Jan 16 2016 Trip spans 10 days
SWISS
SWISS
SEA
1:45a
LHR
4:50a
27h 05m
2 stops
LHR
1:00a
SEA
1:03a
24h 03m
2 stops
Depart: Fri Dec 25 2015 Return: Tue Jan 12 2016 Trip spans 19 days
American Airlines
American Airlines
SEA
1:05p
LHR
10:35p
9h 30m
nonstop
LHR
9:10a
SEA
7:05p
9h 55m
nonstop
Depart: Mon Dec 14 2015 Return: Wed Dec 23 2015 Trip spans 10 days
Virgin Atlantic
Virgin Atlantic
SEA
1:31p
LHR
11:25p
9h 54m
nonstop
LHR
7:55a
SEA
6:34p
10h 39m
nonstop
Direct flights SEA to LHR on Delta
Flight # Depart SEA Arrive LHR Sun Mon Tue Wed Thu Fri Sat Valid Between
37 7:10 pm 1:00 pm Oct 10 - Oct 17
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
37 7:10 pm 1:00 pm Oct 9 - Oct 9
Airports
Origin

Seattle
$757
Destination

London
$757