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: Sun Oct 18 2015 Return: Mon Nov 16 2015 Trip spans 30 days
Finnair
Finnair
SEA
3:15p
LHR
12:30a
9h 15m
nonstop
LHR
5:20a
SEA
12:25a
43h 05m
2 stops
Depart: Mon Sep 28 2015 Return: Mon Oct 26 2015 Trip spans 29 days
British Airways
British Airways
SEA
3:15p
LHR
12:30a
9h 15m
nonstop
LHR
4:55a
SEA
2:45p
9h 50m
nonstop
Depart: Wed Sep 9 2015 Return: Fri Sep 18 2015 Trip spans 10 days
US Airways
US Airways
SEA
9:20a
LHR
11:25p
14h 05m
1 stop
LHR
6:15a
SEA
1:00a
18h 45m
1 stop
Depart: Sun Sep 27 2015 Return: Wed Oct 28 2015 Trip spans 32 days
American Airlines
American Airlines
SEA
9:20a
LHR
11:25p
14h 05m
1 stop
LHR
10:15a
SEA
8:05p
9h 50m
nonstop
Depart: Mon Nov 2 2015 Return: Mon Nov 16 2015 Trip spans 15 days
Air Canada
Air Canada
SEA
7:35a
LHR
10:15p
14h 40m
1 stop
LHR
9:25a
SEA
9:31p
12h 06m
1 stop
Depart: Fri Jan 15 2016 Return: Sun Jan 17 2016 Trip spans 3 days
Lufthansa
Lufthansa
SEA
4:25a
LHR
10:15p
17h 50m
1 stop
LHR
1:30a
SEA
6:44p
17h 14m
2 stops
Depart: Wed Dec 2 2015 Return: Mon Dec 7 2015 Trip spans 6 days
Icelandair
Icelandair
SEA
10:30a
LHR
10:30p
12h 00m
1 stop
LHR
8:00a
SEA
7:40p
11h 40m
1 stop
Depart: Sun Nov 1 2015 Return: Thu Nov 12 2015 Trip spans 12 days
Air France
Air France
SEA
1:27p
LHR
11:25p
9h 58m
nonstop
LHR
7:55a
SEA
6:20p
10h 25m
nonstop
Depart: Tue Oct 27 2015 Return: Wed Nov 4 2015 Trip spans 9 days
Delta
Delta
SEA
2:20a
LHR
7:50p
17h 30m
1 stop
LHR
7:55a
SEA
6:20p
10h 25m
nonstop
Depart: Tue Dec 15 2015 Return: Wed Dec 30 2015 Trip spans 16 days
Major Airline
Major Airline
SEA
7:00a
LHR
9:00p
14h 00m
1 stop
LHR
8:00a
SEA
1:00a
17h 00m
1 stop
Depart: Sun Jan 31 2016 Return: Tue Feb 2 2016 Trip spans 3 days
United
United
SEA
9:10a
LHR
1:45a
16h 35m
1 stop
LHR
9:25a
SEA
9:29p
12h 04m
1 stop
Depart: Fri Feb 12 2016 Return: Sun Feb 14 2016 Trip spans 3 days
KLM
KLM
SEA
4:25a
LHR
10:00p
17h 35m
1 stop
LHR
1:30a
SEA
2:29p
12h 59m
1 stop
Depart: Sat Feb 20 2016 Return: Mon Feb 29 2016 Trip spans 10 days
Virgin Atlantic
Virgin Atlantic
SEA
1:22p
LHR
11:25p
10h 03m
nonstop
LHR
7:55a
SEA
6:20p
10h 25m
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 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
$699
Destination

London
$699