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

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 London Heathrow to Seattle/Tacoma Intl

(Round-trip)
Depart: Wed Mar 7 2018 Return: Wed Mar 21 2018 Trip spans 14 days
Icelandair
Icelandair
LHR
SEA
12h 35m
1 stop
SEA
LHR
12h 00m
1 stop
Depart: Mon Nov 20 2017 Return: Thu Nov 30 2017 Trip spans 11 days
Multiple Airlines
Multiple Airlines
LHR
SEA
13h 20m
1 stop
SEA
LHR
12h 30m
1 stop
Depart: Fri Apr 20 2018 Return: Fri May 4 2018 Trip spans 15 days
British Airways
British Airways
LHR
SEA
9h 40m
nonstop
SEA
LHR
9h 10m
nonstop
Depart: Mon Dec 25 2017 Return: Mon Jan 1 2018 Trip spans 8 days
Lufthansa
Lufthansa
LHR
SEA
30h 20m
1 stop
SEA
LHR
22h 40m
1 stop
Depart: Sun Nov 19 2017 Return: Wed Nov 29 2017 Trip spans 11 days
KLM
KLM
LHR
SEA
13h 02m
1 stop
SEA
LHR
16h 54m
1 stop
Depart: Thu Apr 19 2018 Return: Sun May 13 2018 Trip spans 25 days
Brussels Airlines
Brussels Airlines
LHR
SEA
35h 56m
2 stops
SEA
LHR
25h 00m
2 stops
Depart: Fri Nov 17 2017 Return: Tue Nov 28 2017 Trip spans 12 days
Virgin Atlantic
Virgin Atlantic
LHR
SEA
9h 40m
nonstop
SEA
LHR
13h 10m
1 stop
Depart: Tue Jan 9 2018 Return: Tue Jan 16 2018 Trip spans 8 days
Icelandair
Icelandair
LHR
SEA
28h 25m
1 stop
SEA
LHR
20h 20m
1 stop
Depart: Thu Jan 11 2018 Return: Thu Jan 25 2018 Trip spans 15 days
Icelandair
Icelandair
LHR
SEA
12h 35m
1 stop
SEA
LHR
12h 00m
1 stop
Depart: Sat Jan 13 2018 Return: Sun Jan 21 2018 Trip spans 9 days
Icelandair
Icelandair
LHR
SEA
12h 35m
1 stop
SEA
LHR
12h 00m
1 stop
Depart: Mon Oct 30 2017 Return: Mon Nov 6 2017 Trip spans 8 days
Multiple Airlines
Multiple Airlines
LHR
SEA
13h 23m
1 stop
SEA
LHR
12h 30m
1 stop
Depart: Fri Mar 16 2018 Return: Sun Apr 1 2018 Trip spans 17 days
British Airways
British Airways
LHR
SEA
9h 55m
nonstop
SEA
LHR
9h 10m
nonstop
Depart: Thu Feb 1 2018 Return: Tue Feb 6 2018 Trip spans 6 days
Icelandair
Icelandair
LHR
SEA
28h 25m
1 stop
SEA
LHR
20h 20m
1 stop
Depart: Thu Nov 2 2017 Return: Tue Nov 7 2017 Trip spans 6 days
Lufthansa
Lufthansa
LHR
SEA
31h 20m
1 stop
SEA
LHR
24h 00m
1 stop
Depart: Wed Nov 22 2017 Return: Sun Nov 26 2017 Trip spans 5 days
Multiple Airlines
Multiple Airlines
LHR
SEA
13h 20m
1 stop
SEA
LHR
12h 30m
1 stop
Depart: Mon Apr 9 2018 Return: Mon Apr 23 2018 Trip spans 15 days
British Airways
British Airways
LHR
SEA
9h 40m
nonstop
SEA
LHR
9h 10m
nonstop
Depart: Thu Oct 26 2017 Return: Sun Oct 29 2017 Trip spans 4 days
Lufthansa
Lufthansa
LHR
SEA
26h 20m
1 stop
SEA
LHR
33h 45m
1 stop
Depart: Wed Feb 7 2018 Return: Tue Feb 20 2018 Trip spans 14 days
Icelandair
Icelandair
LHR
SEA
12h 35m
1 stop
SEA
LHR
12h 00m
1 stop
Depart: Sat Apr 21 2018 Return: Sun May 13 2018 Trip spans 23 days
Brussels Airlines
Brussels Airlines
LHR
SEA
42h 41m
2 stops
SEA
LHR
18h 10m
2 stops
Depart: Fri Oct 27 2017 Return: Mon Oct 30 2017 Trip spans 4 days
Multiple Airlines
Multiple Airlines
LHR
SEA
12h 25m
1 stop
SEA
LHR
18h 10m
1 stop
Direct flights LHR to SEA on American Airlines
Flight # Depart LHR Arrive SEA Sun Mon Tue Wed Thu Fri Sat Valid Between
6233 9:20 am 11:15 am Oct 7 - Oct 28
6233 9:35 am 11:30 am Nov 11 - Mar 10
6233 9:35 am 12:30 pm Nov 4 - Nov 4
6233 9:40 am 11:35 am Nov 9 - Nov 17
6233 9:40 am 12:35 pm Nov 2 - Nov 3
6128 2:25 pm 5:20 pm Oct 31 - Nov 2
6128 2:25 pm 4:20 pm Nov 7 - Mar 8
6128 2:30 pm 4:25 pm Nov 5 - Mar 10
6128 2:30 pm 5:25 pm Oct 29 - Nov 4
6128 3:30 pm 5:10 pm Oct 7 - Oct 28
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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Prices on airline seats, hotel rooms and car rentals can change frequently. Several people may also be trying to buy the same travel option simultaneously. As a result, you may find, on occasion, that certain prices are no longer available.

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Airports
Origin

London
$465
Destination

Seattle
$465
Airlines Airline reviews

150 travelers who booked a flight from London to Seattle rated their chosen airlines with an average of 7.6.

Overall
7.6
Boarding
7.6
Crew
8.1
Comfort
7.1
Food
7.2
Entertainment
7.5