Find Cheap Flights 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 Portland to United Kingdom

(Round-trip)
Depart: Sat Sep 30 2017 Return: Sat Oct 7 2017 Trip spans 8 days
Multiple Airlines
Multiple Airlines
PDX
LGW
16h 00m
1 stop
LGW
PDX
17h 21m
1 stop
Depart: Wed Nov 22 2017 Return: Thu Dec 7 2017 Trip spans 16 days
Air Canada
Air Canada
PDX
LHR
17h 50m
1 stop
LHR
PDX
13h 35m
1 stop
Depart: Wed Oct 25 2017 Return: Fri Nov 10 2017 Trip spans 17 days
SWISS
SWISS
PDX
LCY
36h 32m
2 stops
LCY
PDX
22h 08m
2 stops
Depart: Tue Sep 19 2017 Return: Tue Sep 26 2017 Trip spans 8 days
Lufthansa
Lufthansa
PDX
LCY
17h 00m
2 stops
LCY
PDX
16h 41m
2 stops
Depart: Fri Nov 10 2017 Return: Thu Nov 16 2017 Trip spans 7 days
Icelandair
Icelandair
PDX
LGW
12h 00m
1 stop
LGW
PDX
13h 05m
1 stop
Depart: Mon Oct 2 2017 Return: Fri Oct 13 2017 Trip spans 12 days
Thomas Cook Airlines
Thomas Cook Airlines
PDX
MAN
18h 55m
1 stop
MAN
PDX
19h 28m
1 stop
Depart: Sun Oct 29 2017 Return: Sun Nov 5 2017 Trip spans 8 days
Delta
Delta
PDX
GLA
15h 27m
1 stop
GLA
PDX
13h 34m
1 stop
Depart: Mon Aug 14 2017 Return: Mon Aug 28 2017 Trip spans 15 days
Virgin Atlantic
Virgin Atlantic
PDX
LHR
9h 54m
nonstop
LHR
PDX
10h 55m
nonstop
Depart: Tue Aug 15 2017 Return: Thu Aug 31 2017 Trip spans 17 days
Aer Lingus
Aer Lingus
PDX
LGW
19h 21m
2 stops
LGW
PDX
28h 46m
2 stops
Depart: Sun Aug 6 2017 Return: Fri Aug 25 2017 Trip spans 20 days
American Airlines
American Airlines
PDX
GLA
24h 40m
1 stop
GLA
PDX
18h 22m
2 stops
Depart: Thu Sep 14 2017 Return: Thu Sep 21 2017 Trip spans 8 days
Multiple Airlines
Multiple Airlines
PDX
LGW
19h 25m
1 stop
LGW
PDX
13h 51m
1 stop
Depart: Mon Aug 14 2017 Return: Mon Aug 28 2017 Trip spans 15 days
$1035
Select
KLM
KLM
PDX
LCY
21h 53m
1 stop
LCY
PDX
19h 39m
2 stops
Depart: Wed Jan 10 2018 Return: Fri Jan 19 2018 Trip spans 10 days
Air Canada
Air Canada
PDX
LHR
21h 05m
1 stop
LHR
PDX
13h 35m
1 stop
Depart: Mon Aug 14 2017 Return: Mon Aug 28 2017 Trip spans 15 days
$1104
Select
Air France
Air France
PDX
SOU
19h 23m
1 stop
SOU
PDX
23h 04m
2 stops
Depart: Tue Oct 3 2017 Return: Tue Oct 10 2017 Trip spans 8 days
Multiple Airlines
Multiple Airlines
PDX
LHR
13h 55m
1 stop
LHR
PDX
15h 11m
1 stop
Depart: Mon Sep 18 2017 Return: Tue Sep 26 2017 Trip spans 9 days
Air Canada
Air Canada
PDX
LHR
32h 30m
1 stop
LHR
PDX
19h 16m
1 stop
Depart: Sat Jul 22 2017 Return: Tue Aug 29 2017 Trip spans 39 days
$1175
Select
Iberia
Iberia
PDX
LHR
23h 05m
1 stop
LHR
PDX
18h 59m
1 stop
Depart: Wed Sep 20 2017 Return: Wed Oct 11 2017 Trip spans 22 days
Lufthansa
Lufthansa
PDX
LCY
20h 35m
2 stops
LCY
PDX
16h 41m
2 stops
Depart: Mon Sep 11 2017 Return: Wed Sep 27 2017 Trip spans 17 days
Multiple Airlines
Multiple Airlines
PDX
LHR
13h 55m
1 stop
LHR
PDX
15h 46m
1 stop
Depart: Thu Dec 7 2017 Return: Thu Dec 14 2017 Trip spans 8 days
Air Canada
Air Canada
PDX
LHR
16h 45m
2 stops
LHR
PDX
28h 05m
2 stops
* 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.

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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

Portland
$493
Destination

Southampton
$1104
London
only $530
only $583
only $493
Manchester
$769
Glasgow
$936