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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: Tue Sep 29 2015 Return: Tue Oct 27 2015 Trip spans 29 days
Icelandair
Icelandair
SEA
12:15p
LHR
11:45p
11h 30m
1 stop
LHR
9:00a
SEA
8:40p
11h 40m
1 stop
Depart: Sun May 10 2015 Return: Sun May 24 2015 Trip spans 15 days
$1075
Select
US Airways
US Airways
SEA
9:10a
LHR
11:25p
14h 15m
1 stop
LHR
6:15a
SEA
1:02a
18h 47m
1 stop
Depart: Tue Apr 14 2015 Return: Tue Apr 28 2015 Trip spans 15 days
$1082
Select
Delta
Delta
SEA
2:00a
LHR
7:05p
17h 05m
2 stops
LHR
5:40a
SEA
10:56p
17h 16m
2 stops
Depart: Thu May 14 2015 Return: Sat May 30 2015 Trip spans 17 days
$1085
Select
Air Canada
Air Canada
SEA
12:15p
LHR
11:40p
11h 25m
1 stop
LHR
6:05a
SEA
6:01p
11h 56m
1 stop
Depart: Tue May 5 2015 Return: Sun May 24 2015 Trip spans 20 days
$1098
Select
British Airways
British Airways
SEA
3:15p
LHR
12:30a
9h 15m
nonstop
LHR
5:55a
SEA
3:30p
9h 35m
nonstop
Depart: Tue Apr 21 2015 Return: Tue May 26 2015 Trip spans 36 days
$1103
Select
Major Airline
Major Airline
SEA
7:10a
LHR
11:25p
16h 15m
1 stop
LHR
6:15a
SEA
1:02a
18h 47m
1 stop
Depart: Sun Apr 5 2015 Return: Wed Apr 22 2015 Trip spans 18 days
$1118
Select
American Airlines
American Airlines
SEA
3:15p
LHR
12:30a
9h 15m
nonstop
LHR
11:30a
SEA
9:05p
9h 35m
nonstop
Depart: Wed May 6 2015 Return: Tue May 12 2015 Trip spans 7 days
$1121
Select
United
United
SEA
8:17a
LHR
12:20a
16h 03m
1 stop
LHR
6:35a
SEA
10:13p
15h 38m
1 stop
Depart: Mon Sep 21 2015 Return: Sun Oct 4 2015 Trip spans 14 days
$1153
Select
Aeroflot
Aeroflot
SEA
6:45p
LHR
9:25a
38h 40m
2 stops
LHR
6:45p
SEA
11:12p
28h 27m
2 stops
Depart: Sun May 3 2015 Return: Sun May 10 2015 Trip spans 8 days
$1158
Select
Finnair
Finnair
SEA
10:00a
LHR
7:15p
9h 15m
nonstop
LHR
5:55a
SEA
3:30p
9h 35m
nonstop
Depart: Sat May 23 2015 Return: Sat Jun 6 2015 Trip spans 15 days
$1215
Select
Lufthansa
Lufthansa
SEA
10:30a
LHR
11:40p
13h 10m
1 stop
LHR
2:50a
SEA
10:43p
19h 53m
2 stops
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 Apr 1 - Apr 30
37 7:13 pm 1:00 pm May 1 - Jun 3
Airports
Origin

Seattle
$960
Destination

London
$960