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

Depart
Return
1 adult
Adults
18-64
Seniors
65+
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.
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Book cheap flights from Seattle/Tacoma Intl to London

(Round-trip)
Depart: Fri Nov 10 2017 Return: Thu Nov 30 2017 Trip spans 21 days
Major Airline
Major Airline
SEA
LHR
30h 40m
1 stop
LHR
SEA
35h 25m
1 stop
Depart: Tue Nov 7 2017 Return: Thu Nov 9 2017 Trip spans 3 days
Icelandair
Icelandair
SEA
LHR
20h 00m
1 stop
LHR
SEA
12h 00m
1 stop
Depart: Sun Oct 1 2017 Return: Mon Oct 16 2017 Trip spans 16 days
Norwegian
Norwegian
SEA
LGW
9h 20m
nonstop
LGW
SEA
9h 55m
nonstop
Depart: Tue Sep 12 2017 Return: Tue Oct 3 2017 Trip spans 22 days
Virgin Atlantic
Virgin Atlantic
SEA
LGW
17h 25m
1 stop
LGW
SEA
18h 44m
1 stop
Depart: Tue Sep 26 2017 Return: Thu Oct 12 2017 Trip spans 17 days
British Airways
British Airways
SEA
LHR
9h 10m
nonstop
LHR
SEA
9h 55m
nonstop
Depart: Tue Sep 19 2017 Return: Tue Sep 26 2017 Trip spans 8 days
Lufthansa
Lufthansa
SEA
STN
11h 45m
1 stop
STN
SEA
18h 35m
1 stop
Depart: Fri Nov 17 2017 Return: Fri Nov 24 2017 Trip spans 8 days
Air Canada
Air Canada
SEA
LHR
12h 35m
1 stop
LHR
SEA
23h 24m
2 stops
Depart: Wed Nov 1 2017 Return: Wed Nov 8 2017 Trip spans 8 days
SWISS
SWISS
SEA
LCY
33h 00m
2 stops
LCY
SEA
21h 29m
2 stops
Depart: Thu Oct 19 2017 Return: Sat Oct 28 2017 Trip spans 10 days
Delta
Delta
SEA
LGW
13h 55m
1 stop
LGW
SEA
15h 29m
1 stop
Depart: Sun Jun 11 2017 Return: Mon Jun 19 2017 Trip spans 9 days
WestJet
WestJet
SEA
LGW
27h 45m
1 stop
LGW
SEA
17h 28m
1 stop
Depart: Mon Nov 6 2017 Return: Sun Nov 12 2017 Trip spans 7 days
Norwegian
Norwegian
SEA
LGW
9h 30m
nonstop
LGW
SEA
9h 55m
nonstop
Depart: Wed Sep 13 2017 Return: Thu Sep 21 2017 Trip spans 9 days
Major Airline
Major Airline
SEA
LHR
14h 36m
1 stop
LHR
SEA
28h 24m
1 stop
Depart: Wed Oct 4 2017 Return: Wed Oct 18 2017 Trip spans 15 days
Virgin Atlantic
Virgin Atlantic
SEA
LHR
9h 00m
nonstop
LHR
SEA
9h 40m
nonstop
Depart: Wed Sep 20 2017 Return: Sun Sep 24 2017 Trip spans 5 days
Norwegian
Norwegian
SEA
LGW
9h 10m
nonstop
LGW
SEA
9h 55m
nonstop
Depart: Mon Oct 30 2017 Return: Sat Nov 11 2017 Trip spans 13 days
British Airways
British Airways
SEA
LHR
9h 30m
nonstop
LHR
SEA
9h 50m
nonstop
Depart: Tue Oct 10 2017 Return: Tue Oct 24 2017 Trip spans 15 days
Virgin Atlantic
Virgin Atlantic
SEA
LHR
9h 00m
nonstop
LHR
SEA
9h 40m
nonstop
Depart: Sun Oct 29 2017 Return: Sat Dec 2 2017 Trip spans 35 days
Major Airline
Major Airline
SEA
LCY
17h 20m
2 stops
LCY
SEA
19h 29m
2 stops
Depart: Thu Nov 2 2017 Return: Fri Nov 10 2017 Trip spans 9 days
Icelandair
Icelandair
SEA
LGW
11h 45m
1 stop
LGW
SEA
12h 10m
1 stop
Depart: Mon Sep 11 2017 Return: Sun Sep 24 2017 Trip spans 14 days
Air Canada
Air Canada
SEA
LHR
17h 45m
1 stop
LHR
SEA
16h 30m
1 stop
Depart: Mon Nov 13 2017 Return: Wed Nov 22 2017 Trip spans 10 days
Lufthansa
Lufthansa
SEA
LCY
19h 40m
1 stop
LCY
SEA
20h 10m
2 stops
Direct flights SEA to LON on American Airlines
Flight # Depart SEA Arrive LHR Sun Mon Tue Wed Thu Fri Sat Valid Between
6232 1:15 pm 6:45 am May 25 - Oct 26
6232 1:20 pm 6:50 am Jun 3 - Jun 5
6232 1:20 pm 6:50 am Jun 10 - Oct 23
6232 1:30 pm 7:00 am May 21 - Oct 27
6127 7:15 pm 12:25 pm May 20 - Oct 27
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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Airports
Origin

Seattle
$408
Destination

London
only $408
only $516
only $450
only $545
Airlines Airline reviews

63 travelers who booked a flight from Seattle to London rated their chosen airlines with an average of 8.0.

Overall
8.1
Boarding
8.4
Crew
8.6
Comfort
7.4
Food
7.4
Entertainment
8.3