Find Cheap Flights from Portland to London Heathrow (PWM - LHR)

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 Heathrow

(Round-trip)
Depart: Fri Oct 27 2017 Return: Fri Nov 10 2017 Trip spans 15 days
Multiple Airlines
Multiple Airlines
PWM
LHR
12h 19m
2 stops
LHR
PWM
19h 13m
2 stops
Depart: Tue Oct 24 2017 Return: Tue Oct 31 2017 Trip spans 8 days
Delta
Delta
PWM
LHR
12h 20m
1 stop
LHR
PWM
14h 23m
1 stop
Depart: Wed Aug 9 2017 Return: Wed Aug 16 2017 Trip spans 8 days
$1002
Select
American Airlines
American Airlines
PWM
LHR
13h 50m
1 stop
LHR
PWM
12h 15m
1 stop
Depart: Sun Sep 24 2017 Return: Wed Sep 27 2017 Trip spans 4 days
$1013
Select
Multiple Airlines
Multiple Airlines
PWM
LHR
25h 00m
2 stops
LHR
PWM
15h 52m
2 stops
Depart: Wed Nov 29 2017 Return: Tue Dec 5 2017 Trip spans 7 days
$1037
Select
Delta
Delta
PWM
LHR
13h 35m
1 stop
LHR
PWM
15h 23m
1 stop
Depart: Fri Jul 7 2017 Return: Sun Jul 9 2017 Trip spans 3 days
$1714
Select
Delta
Delta
PWM
LHR
12h 45m
1 stop
LHR
PWM
15h 02m
1 stop
Depart: Fri Jun 23 2017 Return: Wed Jun 28 2017 Trip spans 6 days
$2498
Select
Delta
Delta
PWM
LHR
12h 45m
1 stop
LHR
PWM
11h 46m
1 stop
Depart: Tue Jun 27 2017 Return: Mon Jul 3 2017 Trip spans 7 days
$2498
Select
Delta
Delta
PWM
LHR
13h 41m
1 stop
LHR
PWM
13h 04m
1 stop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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Here's why:

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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
$705
Destination

London
$705