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

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 Heathrow

(Round-trip)
Depart: Mon Oct 30 2017 Return: Sat Nov 11 2017 Trip spans 13 days
Icelandair
Icelandair
SEA
LHR
20h 10m
1 stop
LHR
SEA
12h 25m
1 stop
Depart: Sun Oct 1 2017 Return: Mon Oct 9 2017 Trip spans 9 days
Multiple Airlines
Multiple Airlines
SEA
LHR
20h 25m
1 stop
LHR
SEA
9h 40m
nonstop
Depart: Sat Jan 20 2018 Return: Sat Jan 27 2018 Trip spans 8 days
Finnair
Finnair
SEA
LHR
9h 30m
nonstop
LHR
SEA
9h 55m
nonstop
Depart: Thu Dec 14 2017 Return: Thu Jan 4 2018 Trip spans 22 days
British Airways
British Airways
SEA
LHR
15h 15m
1 stop
LHR
SEA
17h 05m
1 stop
Depart: Fri Dec 1 2017 Return: Fri Dec 8 2017 Trip spans 8 days
Icelandair
Icelandair
SEA
LHR
20h 10m
1 stop
LHR
SEA
28h 15m
1 stop
Depart: Sat Dec 2 2017 Return: Tue Dec 12 2017 Trip spans 11 days
Icelandair
Icelandair
SEA
LHR
11h 50m
1 stop
LHR
SEA
12h 25m
1 stop
Depart: Wed Jul 26 2017 Return: Wed Sep 13 2017 Trip spans 50 days
$1061
Select
Iberia
Iberia
SEA
LHR
14h 50m
1 stop
LHR
SEA
19h 18m
1 stop
Depart: Tue Nov 7 2017 Return: Fri Nov 24 2017 Trip spans 18 days
Icelandair
Icelandair
SEA
LHR
20h 10m
1 stop
LHR
SEA
12h 25m
1 stop
Depart: Sun Nov 26 2017 Return: Wed Dec 6 2017 Trip spans 11 days
Icelandair
Icelandair
SEA
LHR
20h 10m
1 stop
LHR
SEA
12h 25m
1 stop
Depart: Thu Sep 28 2017 Return: Sun Oct 15 2017 Trip spans 18 days
Multiple Airlines
Multiple Airlines
SEA
LHR
20h 15m
1 stop
LHR
SEA
20h 44m
2 stops
Depart: Mon Dec 25 2017 Return: Fri Jan 5 2018 Trip spans 12 days
British Airways
British Airways
SEA
LHR
15h 15m
1 stop
LHR
SEA
20h 05m
1 stop
Depart: Tue Oct 17 2017 Return: Tue Oct 24 2017 Trip spans 8 days
Icelandair
Icelandair
SEA
LHR
11h 25m
1 stop
LHR
SEA
28h 35m
1 stop
Depart: Wed Jul 26 2017 Return: Fri Aug 11 2017 Trip spans 17 days
$1370
Select
Condor
Condor
SEA
LHR
21h 55m
2 stops
LHR
SEA
20h 39m
2 stops
Depart: Mon Sep 25 2017 Return: Fri Oct 6 2017 Trip spans 12 days
Multiple Airlines
Multiple Airlines
SEA
LHR
9h 10m
nonstop
LHR
SEA
9h 40m
nonstop
Depart: Fri Sep 29 2017 Return: Sun Oct 15 2017 Trip spans 17 days
Multiple Airlines
Multiple Airlines
SEA
LHR
15h 50m
1 stop
LHR
SEA
9h 40m
nonstop
Depart: Sat Sep 30 2017 Return: Tue Oct 24 2017 Trip spans 25 days
Icelandair
Icelandair
SEA
LHR
19h 40m
1 stop
LHR
SEA
28h 35m
1 stop
Depart: Mon Aug 21 2017 Return: Sat Sep 2 2017 Trip spans 13 days
British Airways
British Airways
SEA
LHR
9h 10m
nonstop
LHR
SEA
9h 55m
nonstop
Depart: Sat Aug 26 2017 Return: Sat Sep 9 2017 Trip spans 15 days
Multiple Airlines
Multiple Airlines
SEA
LHR
24h 45m
1 stop
LHR
SEA
21h 59m
1 stop
Depart: Wed Aug 30 2017 Return: Wed Sep 27 2017 Trip spans 29 days
Multiple Airlines
Multiple Airlines
SEA
LHR
18h 55m
2 stops
LHR
SEA
17h 38m
1 stop
Depart: Fri Aug 11 2017 Return: Thu Aug 31 2017 Trip spans 21 days
British Airways
British Airways
SEA
LHR
9h 10m
nonstop
LHR
SEA
9h 55m
nonstop
Direct flights SEA to LHR on American Airlines
Flight # Depart SEA Arrive LHR Sun Mon Tue Wed Thu Fri Sat Valid Between
6232 1:15 pm 6:45 am Jul 27 - Oct 26
6232 1:20 pm 6:50 am Jul 22 - Oct 23
6232 1:30 pm 7:00 am Jul 23 - Oct 27
6127 7:15 pm 12:25 pm Jul 22 - 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
$450
Destination

London
$450
Airlines Airline reviews

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

Overall
7.9
Boarding
8.3
Crew
8.4
Comfort
7.3
Food
7.4
Entertainment
7.9