Find Deals on 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
Students
under 26
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: Sat Feb 4 2017 Return: Fri Feb 10 2017 Trip spans 7 days
Virgin Atlantic
Virgin Atlantic
PWM
LHR
20h 05m
1 stop
LHR
PWM
16h 17m
1 stop
Depart: Sat Feb 4 2017 Return: Fri Feb 10 2017 Trip spans 7 days
TAP Portugal
TAP Portugal
PWM
LGW
37h 45m
2 stops
LGW
PWM
18h 26m
2 stops
Depart: Fri Apr 14 2017 Return: Sun Apr 23 2017 Trip spans 10 days
Major Airline
Major Airline
PWM
LHR
22h 50m
2 stops
LHR
PWM
33h 19m
2 stops
Depart: Sat Dec 31 2016 Return: Thu Jan 12 2017 Trip spans 13 days
American Airlines
American Airlines
PWM
LHR
18h 59m
1 stop
LHR
PWM
18h 10m
2 stops
Depart: Fri Mar 10 2017 Return: Mon Mar 13 2017 Trip spans 3 days
Delta
Delta
PWM
LCY
20h 50m
2 stops
LCY
PWM
20h 08m
2 stops
Depart: Wed Feb 22 2017 Return: Sun Feb 26 2017 Trip spans 5 days
Virgin Atlantic
Virgin Atlantic
PWM
LHR
26h 10m
1 stop
LHR
PWM
14h 17m
1 stop
Depart: Fri Jan 20 2017 Return: Tue Jan 31 2017 Trip spans 12 days
Virgin Atlantic
Virgin Atlantic
PWM
LHR
21h 45m
1 stop
LHR
PWM
13h 12m
1 stop
Depart: Mon Mar 13 2017 Return: Thu Mar 16 2017 Trip spans 4 days
Virgin Atlantic
Virgin Atlantic
PWM
LHR
22h 25m
1 stop
LHR
PWM
18h 14m
1 stop
Depart: Mon Jan 9 2017 Return: Tue Jan 17 2017 Trip spans 9 days
Delta
Delta
PWM
LHR
13h 33m
1 stop
LHR
PWM
13h 12m
1 stop
Depart: Sat Apr 1 2017 Return: Tue Apr 4 2017 Trip spans 4 days
TAP Portugal
TAP Portugal
PWM
LGW
37h 45m
2 stops
LGW
PWM
18h 34m
2 stops
Depart: Wed Dec 28 2016 Return: Fri Dec 30 2016 Trip spans 3 days
$1252
Select
American Airlines
American Airlines
PWM
LHR
23h 10m
1 stop
LHR
PWM
20h 37m
2 stops
Depart: Sat Mar 11 2017 Return: Tue Mar 14 2017 Trip spans 3 days
$1274
Select
Delta
Delta
PWM
LHR
13h 40m
1 stop
LHR
PWM
15h 19m
1 stop
Depart: Sun Jun 25 2017 Return: Sun Jul 2 2017 Trip spans 8 days
$1319
Select
TAP Portugal
TAP Portugal
PWM
LGW
19h 57m
2 stops
LGW
PWM
18h 27m
2 stops
Depart: Sun Dec 25 2016 Return: Sun Jan 1 2017 Trip spans 8 days
$1641
Select
Delta
Delta
PWM
LHR
13h 26m
1 stop
LHR
PWM
14h 43m
1 stop
Depart: Wed Dec 28 2016 Return: Fri Dec 30 2016 Trip spans 3 days
$1693
Select
TAP Portugal
TAP Portugal
PWM
LGW
38h 00m
2 stops
LGW
PWM
18h 16m
2 stops
Depart: Sun Dec 25 2016 Return: Sun Jan 1 2017 Trip spans 8 days
$1792
Select
Delta
Delta
PWM
LHR
13h 26m
1 stop
LHR
PWM
14h 43m
1 stop
Depart: Wed Dec 28 2016 Return: Fri Dec 30 2016 Trip spans 3 days
$6803
Select
KLM
KLM
PWM
LCY
22h 00m
2 stops
LCY
PWM
17h 48m
2 stops
Depart: Thu May 18 2017 Return: Sun May 21 2017 Trip spans 4 days
$3713
Select
Delta
Delta
PWM
LHR
12h 00m
1 stop
LHR
PWM
14h 17m
1 stop
Depart: Thu Jun 8 2017 Return: Thu Jun 15 2017 Trip spans 8 days
$3713
Select
Delta
Delta
PWM
LHR
12h 50m
1 stop
LHR
PWM
14h 22m
1 stop
Depart: Mon Jun 26 2017 Return: Sat Jul 1 2017 Trip spans 6 days
$6808
Select
KLM
KLM
PWM
LCY
15h 25m
2 stops
LCY
PWM
20h 04m
2 stops
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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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.

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Airports
Origin

Portland
$577
Destination

London
only $577
only $818
only $720