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: Sun Sep 17 2017 Return: Mon Oct 2 2017 Trip spans 16 days
Norwegian
Norwegian
LGW
SEA
9h 55m
nonstop
SEA
LGW
9h 20m
nonstop
Depart: Sun Sep 3 2017 Return: Mon Sep 25 2017 Trip spans 23 days
Virgin Atlantic
Virgin Atlantic
LHR
SEA
9h 40m
nonstop
SEA
LHR
9h 00m
nonstop
Depart: Wed Oct 11 2017 Return: Sun Oct 15 2017 Trip spans 5 days
Delta
Delta
LHR
SEA
12h 45m
1 stop
SEA
LHR
12h 54m
1 stop
Depart: Mon Sep 11 2017 Return: Sun Sep 24 2017 Trip spans 14 days
Icelandair
Icelandair
LGW
SEA
12h 35m
1 stop
SEA
LGW
11h 15m
1 stop
Depart: Tue Sep 5 2017 Return: Wed Sep 20 2017 Trip spans 16 days
Lufthansa
Lufthansa
LCY
SEA
24h 35m
1 stop
SEA
LCY
18h 20m
1 stop
Depart: Fri Oct 13 2017 Return: Sat Oct 28 2017 Trip spans 16 days
British Airways
British Airways
LHR
SEA
9h 40m
nonstop
SEA
LHR
9h 30m
nonstop
Depart: Thu May 11 2017 Return: Thu May 25 2017 Trip spans 15 days
WestJet
WestJet
LGW
SEA
27h 22m
1 stop
SEA
LGW
17h 55m
1 stop
Depart: Mon Aug 28 2017 Return: Sun Sep 10 2017 Trip spans 14 days
KLM
KLM
LCY
SEA
28h 40m
2 stops
SEA
LCY
42h 15m
2 stops
Depart: Sat Oct 14 2017 Return: Sat Nov 4 2017 Trip spans 22 days
$1055
Select
SWISS
SWISS
LCY
SEA
22h 08m
2 stops
SEA
LCY
19h 05m
2 stops
Depart: Wed Oct 11 2017 Return: Sun Oct 15 2017 Trip spans 5 days
Norwegian
Norwegian
LGW
SEA
9h 55m
nonstop
SEA
LGW
9h 20m
nonstop
Depart: Sat Aug 26 2017 Return: Mon Sep 4 2017 Trip spans 10 days
Virgin Atlantic
Virgin Atlantic
LHR
SEA
15h 02m
1 stop
SEA
LHR
9h 00m
nonstop
Depart: Mon Sep 11 2017 Return: Sun Sep 24 2017 Trip spans 14 days
Icelandair
Icelandair
LHR
SEA
12h 35m
1 stop
SEA
LHR
11h 15m
1 stop
Depart: Sat Aug 26 2017 Return: Mon Sep 4 2017 Trip spans 10 days
Virgin Atlantic
Virgin Atlantic
LGW
SEA
15h 29m
1 stop
SEA
LGW
14h 10m
1 stop
Depart: Mon Sep 11 2017 Return: Sun Sep 24 2017 Trip spans 14 days
Lufthansa
Lufthansa
LCY
SEA
24h 35m
1 stop
SEA
LCY
18h 20m
1 stop
Depart: Thu Aug 24 2017 Return: Tue Sep 5 2017 Trip spans 13 days
Virgin Atlantic
Virgin Atlantic
LHR
SEA
9h 40m
nonstop
SEA
LHR
9h 00m
nonstop
Depart: Thu Sep 14 2017 Return: Thu Sep 21 2017 Trip spans 8 days
Icelandair
Icelandair
LGW
SEA
12h 35m
1 stop
SEA
LGW
11h 15m
1 stop
Depart: Mon Aug 21 2017 Return: Fri Sep 8 2017 Trip spans 19 days
Virgin Atlantic
Virgin Atlantic
LGW
SEA
18h 44m
1 stop
SEA
LGW
17h 25m
1 stop
Depart: Thu Jun 1 2017 Return: Sat Jun 3 2017 Trip spans 3 days
WestJet
WestJet
LGW
SEA
35h 14m
1 stop
SEA
LGW
31h 55m
1 stop
Depart: Thu Jul 27 2017 Return: Fri Aug 18 2017 Trip spans 23 days
Delta
Delta
LHR
SEA
16h 47m
1 stop
SEA
LHR
15h 55m
1 stop
Depart: Mon Jul 3 2017 Return: Fri Jul 28 2017 Trip spans 26 days
Icelandair
Icelandair
LGW
SEA
13h 05m
1 stop
SEA
LGW
11h 15m
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 Apr 27 - Jun 2
6233 9:20 am 11:15 am Jun 3 - Jun 5
6233 9:20 am 11:15 am Jun 4 - Jun 11
6128 3:30 pm 5:10 pm Apr 26 - 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 $531
only $647
only $472
Destination

Seattle
$472
Airlines Airline reviews

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

Overall
7.7
Boarding
7.6
Crew
8.2
Comfort
7.1
Food
7.4
Entertainment
7.5