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

(Round-trip)
Depart: Mon Oct 9 2017 Return: Mon Oct 16 2017 Trip spans 8 days
Norwegian
Norwegian
LGW
SEA
9h 55m
nonstop
SEA
LGW
9h 20m
nonstop
Depart: Fri Oct 6 2017 Return: Sun Oct 15 2017 Trip spans 10 days
Multiple Airlines
Multiple Airlines
LCY
SEA
18h 50m
2 stops
SEA
LCY
18h 20m
1 stop
Depart: Fri Nov 3 2017 Return: Sun Nov 5 2017 Trip spans 3 days
Lufthansa
Lufthansa
LCY
SEA
23h 58m
2 stops
SEA
LCY
23h 05m
2 stops
Depart: Mon Oct 9 2017 Return: Mon Oct 16 2017 Trip spans 8 days
Major Airline
Major Airline
LHR
SEA
9h 55m
1 stop
SEA
LHR
9h 10m
1 stop
Depart: Wed Sep 20 2017 Return: Sun Sep 24 2017 Trip spans 5 days
Air France
Air France
LHR
SEA
13h 11m
1 stop
SEA
LHR
13h 19m
1 stop
Depart: Fri Dec 8 2017 Return: Fri Dec 29 2017 Trip spans 22 days
KLM
KLM
LHR
SEA
12h 58m
1 stop
SEA
LHR
18h 32m
1 stop
Depart: Fri Oct 6 2017 Return: Sun Oct 22 2017 Trip spans 17 days
Virgin Atlantic
Virgin Atlantic
LGW
SEA
19h 04m
1 stop
SEA
LGW
17h 25m
1 stop
Depart: Sat Dec 16 2017 Return: Tue Jan 2 2018 Trip spans 18 days
Icelandair
Icelandair
LGW
SEA
12h 35m
1 stop
SEA
LGW
11h 25m
1 stop
Depart: Tue Dec 19 2017 Return: Tue Jan 9 2018 Trip spans 22 days
Aer Lingus
Aer Lingus
LGW
SEA
21h 28m
2 stops
SEA
LGW
17h 48m
2 stops
Depart: Fri Oct 6 2017 Return: Sun Oct 22 2017 Trip spans 17 days
Multiple Airlines
Multiple Airlines
LCY
SEA
17h 25m
2 stops
SEA
LCY
18h 20m
1 stop
Depart: Sun Sep 17 2017 Return: Wed Sep 27 2017 Trip spans 11 days
Norwegian
Norwegian
LGW
SEA
9h 55m
nonstop
SEA
LGW
9h 10m
nonstop
Depart: Mon Dec 18 2017 Return: Fri Jan 19 2018 Trip spans 33 days
Air France
Air France
LHR
SEA
13h 35m
1 stop
SEA
LHR
14h 22m
1 stop
Depart: Mon Dec 11 2017 Return: Wed Jan 3 2018 Trip spans 24 days
Lufthansa
Lufthansa
LCY
SEA
20h 10m
2 stops
SEA
LCY
19h 40m
1 stop
Depart: Fri Dec 29 2017 Return: Sun Jan 7 2018 Trip spans 10 days
Multiple Airlines
Multiple Airlines
LHR
SEA
9h 50m
nonstop
SEA
LHR
17h 45m
1 stop
Depart: Wed Dec 27 2017 Return: Wed Jan 31 2018 Trip spans 36 days
Norwegian
Norwegian
LGW
SEA
9h 55m
nonstop
SEA
LGW
9h 30m
nonstop
Depart: Tue Sep 19 2017 Return: Fri Sep 29 2017 Trip spans 11 days
KLM
KLM
LCY
SEA
33h 27m
2 stops
SEA
LCY
13h 54m
1 stop
Depart: Fri Dec 15 2017 Return: Wed Jan 3 2018 Trip spans 20 days
Lufthansa
Lufthansa
LCY
SEA
20h 10m
2 stops
SEA
LCY
18h 35m
1 stop
Depart: Mon Sep 18 2017 Return: Thu Sep 28 2017 Trip spans 11 days
Multiple Airlines
Multiple Airlines
LHR
SEA
16h 38m
1 stop
SEA
LHR
26h 36m
1 stop
Depart: Sun Jul 2 2017 Return: Sun Jul 9 2017 Trip spans 8 days
$1251
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WestJet
WestJet
LGW
SEA
15h 10m
1 stop
SEA
LGW
16h 29m
1 stop
Depart: Fri Oct 6 2017 Return: Sun Oct 22 2017 Trip spans 17 days
Multiple Airlines
Multiple Airlines
LHR
SEA
12h 45m
1 stop
SEA
LHR
13h 19m
1 stop
Direct flights LON 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 Jun 22 - Oct 28
6128 3:30 pm 5:10 pm Jun 21 - Oct 28
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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Airports
Origin

London
only $510
only $484
only $471
Destination

Seattle
$471
Airlines Airline reviews

3 travelers who booked a flight from London to Seattle rated their chosen airlines with an average of 8.8.

Overall
8.7
Boarding
8.0
Crew
10.0
Comfort
8.0
Food
8.7
Entertainment
9.3