Find Cheap Flights from Seattle to London Heathrow

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 to London Heathrow

(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: Mon Sep 25 2017 Return: Wed Oct 11 2017 Trip spans 17 days
Icelandair
Icelandair
SEA
LHR
11h 15m
1 stop
LHR
SEA
12h 35m
1 stop
Depart: Wed Aug 30 2017 Return: Tue Sep 5 2017 Trip spans 7 days
Virgin Atlantic
Virgin Atlantic
SEA
LHR
9h 00m
nonstop
LHR
SEA
9h 40m
nonstop
Depart: Wed May 31 2017 Return: Wed Jun 7 2017 Trip spans 8 days
British Airways
British Airways
SEA
LHR
9h 10m
nonstop
LHR
SEA
9h 40m
nonstop
Depart: Wed Jul 12 2017 Return: Wed Jul 19 2017 Trip spans 8 days
$1012
Select
Delta
Delta
SEA
LHR
9h 00m
nonstop
LHR
SEA
9h 40m
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: Thu May 25 2017 Return: Fri Jun 9 2017 Trip spans 16 days
$1285
Select
Iberia
Iberia
SEA
LHR
9h 10m
nonstop
LHR
SEA
9h 55m
nonstop
Depart: Sat Sep 16 2017 Return: Fri Oct 6 2017 Trip spans 21 days
Major Airline
Major Airline
SEA
LHR
17h 45m
1 stop
LHR
SEA
12h 25m
1 stop
Depart: Fri Sep 22 2017 Return: Sun Oct 1 2017 Trip spans 10 days
Major Airline
Major Airline
SEA
LHR
9h 10m
nonstop
LHR
SEA
9h 55m
nonstop
Depart: Fri Sep 22 2017 Return: Sun Oct 1 2017 Trip spans 10 days
Major Airline
Major Airline
SEA
LHR
15h 20m
1 stop
LHR
SEA
38h 39m
1 stop
Depart: Mon Aug 14 2017 Return: Wed Aug 23 2017 Trip spans 10 days
Virgin Atlantic
Virgin Atlantic
SEA
LHR
9h 00m
nonstop
LHR
SEA
9h 40m
nonstop
Depart: Mon Jun 19 2017 Return: Thu Aug 3 2017 Trip spans 46 days
British Airways
British Airways
SEA
LHR
23h 21m
1 stop
LHR
SEA
21h 46m
2 stops
Depart: Fri Jul 21 2017 Return: Fri Aug 4 2017 Trip spans 15 days
$1027
Select
Delta
Delta
SEA
LHR
12h 35m
1 stop
LHR
SEA
17h 29m
1 stop
Depart: Sat Jul 29 2017 Return: Mon Aug 14 2017 Trip spans 17 days
Virgin Atlantic
Virgin Atlantic
SEA
LHR
9h 00m
nonstop
LHR
SEA
9h 40m
nonstop
Depart: Sat Jul 22 2017 Return: Fri Aug 18 2017 Trip spans 28 days
British Airways
British Airways
SEA
LHR
14h 46m
1 stop
LHR
SEA
9h 55m
nonstop
Depart: Mon Jun 5 2017 Return: Sun Jun 25 2017 Trip spans 21 days
British Airways
British Airways
SEA
LHR
9h 10m
nonstop
LHR
SEA
9h 55m
nonstop
Depart: Wed Aug 23 2017 Return: Sat Sep 2 2017 Trip spans 11 days
$1050
Select
Virgin Atlantic
Virgin Atlantic
SEA
LHR
9h 00m
nonstop
LHR
SEA
9h 40m
nonstop
Depart: Tue Aug 29 2017 Return: Sat Sep 9 2017 Trip spans 12 days
Major Airline
Major Airline
SEA
LHR
12h 40m
1 stop
LHR
SEA
11h 45m
1 stop
Depart: Fri Aug 4 2017 Return: Fri Aug 18 2017 Trip spans 15 days
$1017
Select
British Airways
British Airways
SEA
LHR
14h 46m
1 stop
LHR
SEA
9h 55m
nonstop
* 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
$407
Airlines Airline reviews

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

Overall
8.2
Boarding
8.3
Crew
8.6
Comfort
7.6
Food
7.5
Entertainment
8.1