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
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: Wed Apr 26 2017 Return: Wed May 3 2017 Trip spans 8 days
Major Airline
Major Airline
PWM
LHR
40h 45m
2 stops
LHR
PWM
33h 41m
2 stops
Depart: Wed Apr 26 2017 Return: Wed May 3 2017 Trip spans 8 days
TAP Portugal
TAP Portugal
PWM
LGW
37h 45m
2 stops
LGW
PWM
37h 06m
2 stops
Depart: Sun Jul 30 2017 Return: Sat Aug 26 2017 Trip spans 28 days
Virgin Atlantic
Virgin Atlantic
PWM
LHR
12h 20m
1 stop
LHR
PWM
19h 14m
1 stop
Depart: Sun Jul 30 2017 Return: Sat Aug 26 2017 Trip spans 28 days
Delta
Delta
PWM
LGW
15h 25m
2 stops
LGW
PWM
27h 56m
2 stops
Depart: Fri Aug 11 2017 Return: Thu Aug 24 2017 Trip spans 14 days
United
United
PWM
LHR
9h 55m
1 stop
LHR
PWM
19h 37m
2 stops
Depart: Mon Jul 3 2017 Return: Tue Jul 18 2017 Trip spans 16 days
KLM
KLM
PWM
LCY
15h 55m
2 stops
LCY
PWM
19h 12m
2 stops
Depart: Mon Apr 10 2017 Return: Sat Apr 15 2017 Trip spans 6 days
TAP Portugal
TAP Portugal
PWM
LGW
37h 45m
2 stops
LGW
PWM
18h 34m
2 stops
Depart: Thu Jun 8 2017 Return: Thu Jun 15 2017 Trip spans 8 days
$1424
Select
TAP Portugal
TAP Portugal
PWM
LGW
40h 16m
2 stops
LGW
PWM
18h 27m
2 stops
Depart: Tue Aug 1 2017 Return: Sat Aug 12 2017 Trip spans 12 days
$4022
Select
KLM
KLM
PWM
LCY
15h 50m
2 stops
LCY
PWM
18h 34m
2 stops
Depart: Wed Aug 23 2017 Return: Sun Sep 3 2017 Trip spans 12 days
$4309
Select
Delta
Delta
PWM
LHR
12h 20m
1 stop
LHR
PWM
14h 22m
1 stop
Depart: Wed Mar 15 2017 Return: Sun Mar 19 2017 Trip spans 5 days
$6338
Select
Delta
Delta
PWM
LHR
14h 24m
1 stop
LHR
PWM
15h 20m
1 stop
Depart: Sat Feb 25 2017 Return: Fri Mar 10 2017 Trip spans 14 days
$6688
Select
Delta
Delta
PWM
LHR
13h 40m
1 stop
LHR
PWM
14h 17m
1 stop
* 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
$686
Destination

London
only $686
only $896
only $688