Find Cheap Flights from Portland to London (PWM - LON)

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 London

(Round-trip)
Depart: Fri Aug 11 2017 Return: Thu Aug 24 2017 Trip spans 14 days
$1013
Select
Major Airline
Major Airline
PWM
LHR
9h 50m
1 stop
LHR
PWM
12h 14m
1 stop
Depart: Tue May 2 2017 Return: Sun May 7 2017 Trip spans 6 days
$1090
Select
Turkish Airlines
Turkish Airlines
PWM
LGW
22h 58m
2 stops
LGW
PWM
27h 13m
2 stops
Depart: Wed Sep 27 2017 Return: Thu Oct 5 2017 Trip spans 9 days
$1149
Select
Delta
Delta
PWM
LHR
13h 45m
1 stop
LHR
PWM
14h 22m
1 stop
Depart: Fri May 26 2017 Return: Thu Jun 15 2017 Trip spans 21 days
$1521
Select
KLM
KLM
PWM
LCY
20h 55m
2 stops
LCY
PWM
19h 31m
2 stops
Depart: Fri Aug 11 2017 Return: Thu Aug 24 2017 Trip spans 14 days
$2165
Select
TAP Portugal
TAP Portugal
PWM
LGW
19h 57m
2 stops
LGW
PWM
18h 31m
2 stops
Depart: Wed Oct 25 2017 Return: Wed Nov 8 2017 Trip spans 15 days
$1149
Select
Delta
Delta
PWM
LHR
13h 45m
1 stop
LHR
PWM
12h 17m
1 stop
Depart: Tue Aug 1 2017 Return: Thu Aug 31 2017 Trip spans 31 days
$1297
Select
Delta
Delta
PWM
LHR
12h 20m
1 stop
LHR
PWM
14h 22m
1 stop
Depart: Sun Aug 20 2017 Return: Sun Sep 3 2017 Trip spans 15 days
$1374
Select
Delta
Delta
PWM
LHR
12h 20m
1 stop
LHR
PWM
14h 22m
1 stop
Depart: Tue Jul 4 2017 Return: Tue Jul 18 2017 Trip spans 15 days
$1395
Select
Delta
Delta
PWM
LHR
13h 45m
1 stop
LHR
PWM
14h 22m
1 stop
Depart: Fri Jun 23 2017 Return: Sun Jul 2 2017 Trip spans 10 days
$1515
Select
Delta
Delta
PWM
LHR
13h 41m
1 stop
LHR
PWM
14h 22m
1 stop
Depart: Fri Jul 21 2017 Return: Sun Jul 30 2017 Trip spans 10 days
$1540
Select
Delta
Delta
PWM
LHR
12h 50m
1 stop
LHR
PWM
14h 22m
1 stop
Depart: Fri Sep 15 2017 Return: Tue Sep 19 2017 Trip spans 5 days
$5649
Select
KLM
KLM
PWM
LCY
18h 10m
2 stops
LCY
PWM
19h 07m
2 stops
Depart: Sun Jun 4 2017 Return: Tue Jun 13 2017 Trip spans 10 days
$6349
Select
Delta
Delta
PWM
LHR
13h 30m
1 stop
LHR
PWM
11h 46m
1 stop
Depart: Thu May 4 2017 Return: Sat May 13 2017 Trip spans 10 days
$6699
Select
Delta
Delta
PWM
LHR
13h 30m
1 stop
LHR
PWM
13h 05m
1 stop
Depart: Sat Apr 29 2017 Return: Sat May 6 2017 Trip spans 8 days
$7099
Select
Delta
Delta
PWM
LHR
13h 30m
1 stop
LHR
PWM
13h 05m
1 stop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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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.

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Airports
Origin

Portland
$1013
Destination

London
only $1013
only $1521
only $1090