Find Cheap Flights from Portland 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.
Compare vs. KAYAK all | none
Browse Origins:
Browse Destinations:

Dates flexible? Here are the best fares found in the past 48 hours...

Book cheap flights from Portland to United Kingdom

(Round-trip)
Depart: Wed Nov 29 2017 Return: Thu Dec 14 2017 Trip spans 16 days
$1029
Select
Delta
Delta
PWM
LHR
13h 20m
1 stop
LHR
PWM
15h 23m
1 stop
Depart: Wed Jan 10 2018 Return: Fri Jan 12 2018 Trip spans 3 days
$1303
Select
TAP Portugal
TAP Portugal
PWM
LCY
26h 34m
2 stops
LCY
PWM
18h 49m
2 stops
Depart: Wed Aug 30 2017 Return: Tue Sep 12 2017 Trip spans 14 days
$1603
Select
United
United
PWM
LHR
10h 20m
1 stop
LHR
PWM
17h 07m
2 stops
Depart: Fri Dec 1 2017 Return: Sun Dec 10 2017 Trip spans 10 days
$1109
Select
Delta
Delta
PWM
LHR
10h 45m
1 stop
LHR
PWM
15h 23m
1 stop
Depart: Wed Nov 22 2017 Return: Sun Nov 26 2017 Trip spans 5 days
$1219
Select
Delta
Delta
PWM
LHR
12h 10m
1 stop
LHR
PWM
15h 35m
1 stop
Depart: Sat Sep 16 2017 Return: Fri Sep 22 2017 Trip spans 7 days
$1359
Select
Delta
Delta
PWM
LHR
9h 10m
1 stop
LHR
PWM
13h 53m
1 stop
Depart: Thu Aug 31 2017 Return: Sun Sep 10 2017 Trip spans 11 days
$3419
Select
KLM
KLM
PWM
LCY
13h 35m
2 stops
LCY
PWM
14h 23m
2 stops
Depart: Tue Dec 26 2017 Return: Sat Jan 6 2018 Trip spans 12 days
$1840
Select
TAP Portugal
TAP Portugal
PWM
LCY
25h 53m
2 stops
LCY
PWM
18h 49m
2 stops
Depart: Mon Feb 5 2018 Return: Wed Feb 14 2018 Trip spans 10 days
$1451
Select
Delta
Delta
PWM
LHR
9h 10m
1 stop
LHR
PWM
11h 53m
1 stop
Depart: Tue Dec 26 2017 Return: Sun Dec 31 2017 Trip spans 6 days
$1715
Select
Delta
Delta
PWM
MAN
15h 20m
2 stops
MAN
PWM
17h 35m
1 stop
Depart: Thu Dec 7 2017 Return: Thu Dec 14 2017 Trip spans 8 days
$1756
Select
Delta
Delta
PWM
MAN
11h 35m
1 stop
MAN
PWM
12h 44m
1 stop
Depart: Sat Sep 16 2017 Return: Fri Sep 29 2017 Trip spans 14 days
$1965
Select
Delta
Delta
PWM
LHR
9h 10m
1 stop
LHR
PWM
13h 53m
1 stop
Depart: Tue Oct 24 2017 Return: Tue Oct 31 2017 Trip spans 8 days
$3618
Select
Delta
Delta
PWM
MAN
14h 40m
1 stop
MAN
PWM
16h 53m
1 stop
Depart: Fri Sep 15 2017 Return: Sun Sep 24 2017 Trip spans 10 days
$3685
Select
Delta
Delta
PWM
MAN
14h 46m
1 stop
MAN
PWM
14h 13m
1 stop
Depart: Thu Sep 21 2017 Return: Mon Sep 25 2017 Trip spans 5 days
$4091
Select
Delta
Delta
PWM
LHR
9h 10m
1 stop
LHR
PWM
11h 48m
1 stop
Depart: Thu Aug 31 2017 Return: Tue Sep 12 2017 Trip spans 13 days
$6552
Select
Delta
Delta
PWM
LHR
12h 45m
1 stop
LHR
PWM
11h 48m
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.

We compile tonnes of data for you
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
$1029
Destination

London
only $1029
only $1303
Manchester
$1715