Find Cheap Flights from Seattle to United Kingdom

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 United Kingdom

(Round-trip)
Depart: Mon Oct 2 2017 Return: Fri Oct 13 2017 Trip spans 12 days
Norwegian
Norwegian
SEA
LGW
9h 20m
nonstop
LGW
SEA
9h 55m
nonstop
Depart: Thu Nov 9 2017 Return: Thu Nov 23 2017 Trip spans 15 days
Virgin Atlantic
Virgin Atlantic
SEA
MAN
15h 15m
1 stop
MAN
SEA
19h 21m
1 stop
Depart: Wed Oct 11 2017 Return: Thu Nov 9 2017 Trip spans 30 days
Major Airline
Major Airline
SEA
LHR
9h 10m
nonstop
LHR
SEA
9h 50m
nonstop
Depart: Sun Aug 20 2017 Return: Wed Aug 30 2017 Trip spans 11 days
Air Canada
Air Canada
SEA
LHR
17h 45m
1 stop
LHR
SEA
22h 09m
2 stops
Depart: Tue Aug 8 2017 Return: Tue Aug 29 2017 Trip spans 22 days
Lufthansa
Lufthansa
SEA
STN
16h 10m
1 stop
STN
SEA
14h 10m
1 stop
Depart: Tue Sep 19 2017 Return: Tue Sep 26 2017 Trip spans 8 days
KLM
KLM
SEA
LCY
15h 11m
1 stop
LCY
SEA
17h 37m
2 stops
Depart: Wed Oct 4 2017 Return: Tue Oct 17 2017 Trip spans 14 days
SWISS
SWISS
SEA
LCY
18h 41m
2 stops
LCY
SEA
41h 38m
2 stops
Depart: Tue Oct 10 2017 Return: Fri Oct 20 2017 Trip spans 11 days
Delta
Delta
SEA
LGW
13h 55m
1 stop
LGW
SEA
15h 29m
1 stop
Depart: Tue Aug 15 2017 Return: Thu Aug 31 2017 Trip spans 17 days
American Airlines
American Airlines
SEA
MAN
15h 08m
1 stop
MAN
SEA
20h 52m
1 stop
Depart: Wed Nov 1 2017 Return: Wed Nov 8 2017 Trip spans 8 days
Air France
Air France
SEA
SOU
21h 45m
1 stop
SOU
SEA
13h 10m
1 stop
Depart: Mon Oct 9 2017 Return: Wed Oct 18 2017 Trip spans 10 days
Icelandair
Icelandair
SEA
GLA
10h 10m
1 stop
GLA
SEA
11h 40m
1 stop
Depart: Thu Aug 17 2017 Return: Wed Aug 23 2017 Trip spans 7 days
British Airways
British Airways
SEA
GLA
15h 00m
1 stop
GLA
SEA
28h 45m
1 stop
Depart: Wed Aug 23 2017 Return: Thu Aug 31 2017 Trip spans 9 days
United
United
SEA
BHX
35h 10m
2 stops
BHX
SEA
17h 00m
1 stop
Depart: Fri Nov 3 2017 Return: Fri Nov 10 2017 Trip spans 8 days
Norwegian
Norwegian
SEA
LGW
9h 30m
nonstop
LGW
SEA
9h 55m
nonstop
Depart: Fri Nov 10 2017 Return: Sun Nov 19 2017 Trip spans 10 days
Norwegian
Norwegian
SEA
LGW
9h 30m
nonstop
LGW
SEA
9h 55m
nonstop
Depart: Thu Jul 20 2017 Return: Mon Jul 31 2017 Trip spans 12 days
$1068
Select
Thomas Cook Airlines
Thomas Cook Airlines
SEA
MAN
17h 15m
1 stop
MAN
SEA
18h 51m
1 stop
Depart: Fri Dec 1 2017 Return: Fri Dec 8 2017 Trip spans 8 days
Norwegian
Norwegian
SEA
LGW
9h 30m
nonstop
LGW
SEA
9h 55m
nonstop
Depart: Fri Jul 21 2017 Return: Fri Aug 25 2017 Trip spans 36 days
$1091
Select
WestJet
WestJet
SEA
LGW
17h 55m
1 stop
LGW
SEA
15h 15m
1 stop
Depart: Fri Oct 13 2017 Return: Fri Oct 27 2017 Trip spans 15 days
Major Airline
Major Airline
SEA
LHR
9h 10m
nonstop
LHR
SEA
9h 40m
nonstop
Depart: Sun Nov 5 2017 Return: Fri Nov 10 2017 Trip spans 6 days
Major Airline
Major Airline
SEA
LHR
9h 30m
nonstop
LHR
SEA
9h 50m
nonstop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

We attempt to get accurate prices, however, prices are not guaranteed.

Here's why:

We’re not the seller.
At KAYAK we don’t set the prices, so it’s not possible for us to guarantee what other companies are selling.

We compile tonnes of data for you
Our service lets you quickly and easily compare results from hundreds of travel sites at once. In this sense, KAYAK is a search engine and we can't guarantee prices we find.

Why aren’t prices accurate 100% of the time?
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.

If you have more questions or if you have a bad price to report to us,
please send us an email and someone from our team will get back to you promptly.

Airports
Origin

Seattle
$450
Destination

Southampton
$772
London
only $550
only $660
only $450
only $633
Manchester
$492
Glasgow
$783
Birmingham
$893