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: Tue Oct 31 2017 Return: Thu Nov 9 2017 Trip spans 10 days
Major Airline
Major Airline
SEA
LHR
11h 45m
1 stop
LHR
SEA
12h 00m
1 stop
Depart: Fri Sep 22 2017 Return: Mon Oct 2 2017 Trip spans 11 days
Norwegian
Norwegian
SEA
LGW
9h 10m
nonstop
LGW
SEA
9h 55m
nonstop
Depart: Wed Sep 20 2017 Return: Wed Oct 18 2017 Trip spans 29 days
Virgin Atlantic
Virgin Atlantic
SEA
LHR
9h 00m
nonstop
LHR
SEA
9h 40m
nonstop
Depart: Tue Sep 26 2017 Return: Tue Oct 31 2017 Trip spans 36 days
British Airways
British Airways
SEA
LCY
19h 00m
2 stops
LCY
SEA
39h 10m
2 stops
Depart: Wed Sep 27 2017 Return: Tue Oct 10 2017 Trip spans 14 days
Delta
Delta
SEA
LCY
29h 30m
1 stop
LCY
SEA
33h 15m
1 stop
Depart: Wed Sep 20 2017 Return: Wed Oct 18 2017 Trip spans 29 days
SWISS
SWISS
SEA
LCY
20h 35m
2 stops
LCY
SEA
22h 13m
2 stops
Depart: Mon Oct 30 2017 Return: Sat Nov 11 2017 Trip spans 13 days
Lufthansa
Lufthansa
SEA
STN
20h 35m
2 stops
STN
SEA
35h 40m
2 stops
Depart: Wed Jun 7 2017 Return: Tue Jun 13 2017 Trip spans 7 days
WestJet
WestJet
SEA
LGW
12h 50m
1 stop
LGW
SEA
15h 10m
1 stop
Depart: Wed Aug 9 2017 Return: Wed Aug 23 2017 Trip spans 15 days
Icelandair
Icelandair
SEA
LGW
18h 30m
1 stop
LGW
SEA
30h 20m
1 stop
Depart: Wed Jun 14 2017 Return: Wed Jun 28 2017 Trip spans 15 days
$1026
Select
American Airlines
American Airlines
SEA
LHR
14h 50m
1 stop
LHR
SEA
18h 03m
1 stop
Depart: Sun Apr 30 2017 Return: Sun May 7 2017 Trip spans 8 days
$1065
Select
Iberia
Iberia
SEA
LHR
22h 51m
1 stop
LHR
SEA
38h 45m
2 stops
Depart: Mon Oct 9 2017 Return: Wed Nov 1 2017 Trip spans 24 days
Major Airline
Major Airline
SEA
LGW
9h 20m
nonstop
LGW
SEA
9h 55m
nonstop
Depart: Thu Aug 3 2017 Return: Wed Aug 23 2017 Trip spans 21 days
$1125
Select
KLM
KLM
SEA
LCY
17h 17m
1 stop
LCY
SEA
12h 51m
1 stop
Depart: Wed Sep 27 2017 Return: Sun Oct 1 2017 Trip spans 5 days
Norwegian
Norwegian
SEA
LGW
9h 10m
nonstop
LGW
SEA
9h 55m
nonstop
Depart: Wed Oct 11 2017 Return: Wed Nov 1 2017 Trip spans 22 days
Major Airline
Major Airline
SEA
LGW
9h 20m
nonstop
LGW
SEA
9h 55m
nonstop
Depart: Wed Sep 20 2017 Return: Wed Oct 18 2017 Trip spans 29 days
Norwegian
Norwegian
SEA
LGW
9h 10m
nonstop
LGW
SEA
9h 55m
nonstop
Depart: Wed Oct 11 2017 Return: Wed Nov 1 2017 Trip spans 22 days
Major Airline
Major Airline
SEA
LHR
9h 10m
nonstop
LHR
SEA
9h 50m
nonstop
Depart: Thu Oct 12 2017 Return: Wed Nov 1 2017 Trip spans 21 days
Major Airline
Major Airline
SEA
LHR
9h 30m
nonstop
LHR
SEA
9h 50m
nonstop
Depart: Sun Oct 29 2017 Return: Sun Nov 5 2017 Trip spans 8 days
SWISS
SWISS
SEA
LCY
23h 13m
2 stops
LCY
SEA
40h 14m
2 stops
Depart: Sun Oct 1 2017 Return: Fri Oct 6 2017 Trip spans 6 days
Norwegian
Norwegian
SEA
LGW
9h 20m
nonstop
LGW
SEA
9h 55m
nonstop
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 Apr 27 - Oct 26
6232 1:20 pm 6:50 am Apr 29 - May 29
6232 1:20 pm 6:50 am Jun 3 - Jun 5
6232 1:30 pm 7:00 am Apr 28 - Oct 27
6127 7:15 pm 12:25 pm Apr 26 - 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
$407
Destination

London
only $407
only $676
only $553
only $731
Airlines Airline reviews

5 travelers who booked a flight from Seattle to London rated their chosen airlines with an average of 7.8.

Overall
8.4
Boarding
8.4
Crew
7.6
Comfort
8.0
Food
8.0
Entertainment
6.8