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.
Compare vs. KAYAK all | none
Browse Origins:
Browse Destinations:

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

Book cheap flights from Seattle/Tacoma Intl to London

(Round-trip)
Depart: Thu Oct 29 2015 Return: Mon Nov 2 2015 Trip spans 5 days
Virgin Atlantic
Virgin Atlantic
SEA
3:37p
LHR
1:25a
9h 48m
nonstop
LHR
7:55a
SEA
6:20p
10h 25m
nonstop
Depart: Tue Nov 24 2015 Return: Sun Nov 29 2015 Trip spans 6 days
Icelandair
Icelandair
SEA
10:30a
LHR
10:30p
12h 00m
1 stop
LHR
3:35p
SEA
7:40p
28h 05m
1 stop
Depart: Fri Nov 6 2015 Return: Thu Nov 19 2015 Trip spans 14 days
Icelandair
Icelandair
SEA
10:30a
LGW
10:15p
11h 45m
1 stop
LGW
7:30a
SEA
7:40p
12h 10m
1 stop
Depart: Sun Nov 1 2015 Return: Mon Nov 16 2015 Trip spans 16 days
Air Canada
Air Canada
SEA
11:10a
LHR
10:15p
11h 05m
1 stop
LHR
9:25a
SEA
9:31p
12h 06m
1 stop
Depart: Tue Dec 1 2015 Return: Thu Dec 10 2015 Trip spans 10 days
Major Airline
Major Airline
SEA
1:00p
LHR
10:30p
9h 30m
nonstop
LHR
9:15a
SEA
7:05p
9h 50m
nonstop
Depart: Thu Aug 27 2015 Return: Mon Sep 14 2015 Trip spans 19 days
$1042
Select
United
United
SEA
5:50a
LHR
11:50p
18h 00m
1 stop
LHR
6:05a
SEA
7:46p
13h 41m
1 stop
Depart: Mon Nov 30 2015 Return: Wed Dec 16 2015 Trip spans 17 days
$1075
Select
Delta
Delta
SEA
1:27p
LHR
11:25p
9h 58m
nonstop
LHR
7:55a
SEA
6:34p
10h 39m
nonstop
Depart: Sat Nov 28 2015 Return: Sun Nov 29 2015 Trip spans 2 days
$1089
Select
British Airways
British Airways
SEA
1:05p
LHR
10:35p
9h 30m
nonstop
LHR
9:15a
SEA
7:05p
9h 50m
nonstop
Depart: Thu Dec 3 2015 Return: Fri Jan 1 2016 Trip spans 30 days
$1115
Select
Virgin Atlantic
Virgin Atlantic
SEA
6:00a
LGW
9:35p
15h 35m
1 stop
LGW
6:20a
SEA
10:08p
15h 48m
1 stop
Depart: Fri Oct 16 2015 Return: Sat Oct 24 2015 Trip spans 9 days
$1122
Select
American Airlines
American Airlines
SEA
10:00a
LHR
7:10p
9h 10m
nonstop
LHR
5:55a
SEA
3:30p
9h 35m
nonstop
Depart: Mon Aug 31 2015 Return: Mon Sep 7 2015 Trip spans 8 days
$1191
Select
US Airways
US Airways
SEA
3:50a
LHR
6:25a
26h 35m
2 stops
LHR
6:15a
SEA
1:06a
18h 51m
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 1 - Sep 19
37 7:20 pm 1:00 pm Aug 1 - Aug 31
Airports
Origin

Seattle
$943
Destination

London
only $943
only $961