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

Depart
Return
1 adult
Adults
18+
Youths
12-17
Children
2-11
Seat infants
under 2
Lap infants
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:

Flexible dates? Here are the best fares found in the past 48 hours...

Book cheap flights from Seattle/Tacoma Intl to London

(Round-trip)
Depart: Tue 3 Nov 2015 Return: Mon 16 Nov 2015 Trip spans 14 days
£477
Select
Icelandair
Icelandair
SEA
10:30
LGW
22:15
11h 45m
1 stop
LGW
07:30
SEA
19:40
12h 10m
1 stop
Depart: Wed 11 Nov 2015 Return: Wed 18 Nov 2015 Trip spans 8 days
£495
Select
Icelandair
Icelandair
SEA
10:30
LHR
06:30
20h 00m
1 stop
LHR
08:00
SEA
19:40
11h 40m
1 stop
Depart: Fri 5 Feb 2016 Return: Sun 7 Feb 2016 Trip spans 3 days
£531
Select
British Airways
British Airways
SEA
09:00
LHR
22:35
13h 35m
1 stop
LHR
02:25
SEA
00:25
22h 00m
2 stops
Depart: Mon 2 Nov 2015 Return: Wed 18 Nov 2015 Trip spans 17 days
£563
Select
Finnair
Finnair
SEA
13:00
LHR
22:30
9h 30m
nonstop
LHR
09:15
SEA
19:05
9h 50m
nonstop
Depart: Wed 9 Dec 2015 Return: Wed 6 Jan 2016 Trip spans 29 days
£574
Select
Austrian Airlines
Austrian Airlines
SEA
02:55
LHR
21:15
18h 20m
1 stop
LHR
02:30
SEA
23:25
20h 55m
1 stop
Depart: Sat 10 Oct 2015 Return: Sun 11 Oct 2015 Trip spans 2 days
£598
Select
Major Airline
Major Airline
SEA
09:40
LHR
22:40
13h 00m
1 stop
LHR
10:10
SEA
01:21
15h 11m
1 stop
Depart: Sun 1 Nov 2015 Return: Sat 14 Nov 2015 Trip spans 14 days
£605
Select
British Airways
British Airways
SEA
06:40
LGW
07:10
24h 30m
2 stops
LGW
15:15
SEA
00:25
57h 10m
2 stops
Depart: Mon 28 Dec 2015 Return: Wed 6 Jan 2016 Trip spans 10 days
£607
Select
Delta
Delta
SEA
06:00
LGW
21:35
15h 35m
1 stop
LGW
06:20
SEA
00:15
17h 55m
1 stop
Depart: Thu 29 Oct 2015 Return: Wed 4 Nov 2015 Trip spans 7 days
£611
Select
Air France
Air France
SEA
15:37
LHR
01:25
9h 48m
nonstop
LHR
07:55
SEA
18:20
10h 25m
nonstop
Depart: Tue 29 Dec 2015 Return: Tue 5 Jan 2016 Trip spans 8 days
£612
Select
Delta
Delta
SEA
13:31
LHR
23:25
9h 54m
nonstop
LHR
07:55
SEA
18:16
10h 21m
nonstop
Depart: Tue 15 Dec 2015 Return: Mon 21 Dec 2015 Trip spans 7 days
£613
Select
Virgin Atlantic
Virgin Atlantic
SEA
13:31
LHR
23:25
9h 54m
nonstop
LHR
07:55
SEA
18:34
10h 39m
nonstop
Depart: Thu 24 Dec 2015 Return: Wed 13 Jan 2016 Trip spans 21 days
£615
Select
KLM
KLM
SEA
18:05
LHR
18:05
24h 00m
1 stop
LHR
07:55
SEA
18:16
10h 21m
nonstop
Depart: Thu 17 Dec 2015 Return: Fri 1 Jan 2016 Trip spans 16 days
£621
Select
Lufthansa
Lufthansa
SEA
09:10
LHR
22:45
13h 35m
1 stop
LHR
01:30
SEA
15:20
13h 50m
1 stop
Depart: Sun 20 Dec 2015 Return: Thu 31 Dec 2015 Trip spans 12 days
£646
Select
Virgin Atlantic
Virgin Atlantic
SEA
13:10
LGW
21:35
32h 25m
1 stop
LGW
06:20
SEA
22:08
15h 48m
1 stop
Direct flights SEA - LON on British Airways
Flight No. Departure SEA Arrival LHR Mon Tue Wed Thu Fri Sat Sun Valid between
52 13:40 06:55 3 Sep - 15 Oct
52 14:00 07:10 4 Sep - 16 Oct
52 14:00 07:15 6 Sep - 11 Oct
48 19:15 12:30 3 Sep - 16 Oct
Airports
Origin

Seattle
£477
Destination

London
only £495
only £477