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Find flight deals from United Kingdom to Portland

Flexible dates? Here are the best fares found in the past 48 hours...

Book cheap flights to Portland

(Round-trip)
Depart: Tue, 23 Sep, 2014 Return: Wed, 1 Oct, 2014 Trip spans 9 days
United
United
LHR
10:10
PDX
04:38
18h 28m
1 stop
PDX
09:31
LHR
02:05
16h 34m
1 stop
Depart: Wed, 24 Sep, 2014 Return: Wed, 1 Oct, 2014 Trip spans 8 days
United
United
LHR
06:35
PDX
01:31
18h 56m
1 stop
PDX
09:31
LHR
02:05
16h 34m
1 stop
Depart: Thu, 4 Sep, 2014 Return: Sun, 21 Sep, 2014 Trip spans 18 days
United
United
LHR
08:05
PDX
01:08
17h 03m
1 stop
PDX
17:44
LHR
09:20
15h 36m
1 stop
Depart: Wed, 3 Sep, 2014 Return: Sun, 14 Sep, 2014 Trip spans 12 days
United
United
MAN
05:25
PDX
04:29
23h 04m
2 stops
PDX
15:59
MAN
19:40
27h 41m
2 stops
Depart: Tue, 26 Aug, 2014 Return: Tue, 9 Sep, 2014 Trip spans 15 days
United
United
LHR
10:10
PDX
01:20
15h 10m
1 stop
PDX
03:40
LHR
19:10
15h 30m
1 stop
Depart: Mon, 25 Aug, 2014 Return: Tue, 9 Sep, 2014 Trip spans 16 days
United
United
LHR
08:00
PDX
02:36
18h 36m
1 stop
PDX
03:40
LHR
19:10
15h 30m
1 stop
Depart: Wed, 27 Aug, 2014 Return: Mon, 8 Sep, 2014 Trip spans 13 days
United
United
LHR
08:05
PDX
03:35
19h 30m
1 stop
PDX
18:00
LHR
09:20
15h 20m
1 stop
Depart: Thu, 28 Aug, 2014 Return: Tue, 9 Sep, 2014 Trip spans 13 days
United
United
LHR
10:10
PDX
00:28
14h 18m
1 stop
PDX
03:40
LHR
19:10
15h 30m
1 stop
Depart: Fri, 5 Sep, 2014 Return: Sun, 14 Sep, 2014 Trip spans 10 days
United
United
LHR
08:05
PDX
01:08
17h 03m
1 stop
PDX
18:00
LHR
09:20
15h 20m
1 stop
Depart: Mon, 15 Sep, 2014 Return: Fri, 26 Sep, 2014 Trip spans 12 days
United
United
LHR
06:05
PDX
01:08
19h 03m
2 stops
PDX
01:50
LHR
18:20
16h 30m
2 stops
Depart: Sat, 23 Aug, 2014 Return: Tue, 9 Sep, 2014 Trip spans 18 days
United
United
LHR
03:30
PDX
00:45
21h 15m
2 stops
PDX
08:23
LHR
00:15
15h 52m
2 stops
Depart: Sun, 24 Aug, 2014 Return: Tue, 9 Sep, 2014 Trip spans 17 days
United
United
LHR
10:10
PDX
01:19
15h 09m
1 stop
PDX
08:23
LHR
02:05
17h 42m
1 stop
Depart: Tue, 30 Sep, 2014 Return: Wed, 5 Nov, 2014 Trip spans 37 days
Air Canada
Air Canada
LHR
04:30
PDX
22:46
18h 16m
2 stops
PDX
05:15
LHR
22:15
17h 00m
2 stops
Depart: Fri, 29 Aug, 2014 Return: Tue, 9 Sep, 2014 Trip spans 12 days
United
United
LHR
04:40
PDX
23:14
18h 34m
2 stops
PDX
08:23
LHR
00:15
15h 52m
2 stops
Depart: Wed, 10 Sep, 2014 Return: Wed, 17 Sep, 2014 Trip spans 8 days
Delta
Delta
LHR
08:35
PDX
02:07
17h 32m
1 stop
PDX
09:03
LHR
23:30
14h 27m
1 stop
Depart: Mon, 29 Sep, 2014 Return: Wed, 5 Nov, 2014 Trip spans 38 days
Air Canada
Air Canada
LHR
04:30
PDX
01:46
21h 16m
2 stops
PDX
05:15
LHR
22:15
17h 00m
2 stops
Depart: Sun, 17 Aug, 2014 Return: Wed, 15 Oct, 2014 Trip spans 60 days
Delta
Delta
LHR
02:30
PDX
22:24
19h 54m
2 stops
PDX
03:00
LHR
19:40
16h 40m
2 stops
Depart: Sat, 27 Sep, 2014 Return: Sat, 11 Oct, 2014 Trip spans 15 days
Delta
Delta
LHR
08:35
PDX
23:41
15h 06m
1 stop
PDX
09:00
LHR
23:30
14h 30m
1 stop
Depart: Fri, 8 Aug, 2014 Return: Tue, 19 Aug, 2014 Trip spans 12 days
US Airways
US Airways
LHR
08:15
PDX
00:45
16h 30m
1 stop
PDX
04:20
LHR
22:00
17h 40m
1 stop
Depart: Fri, 15 Aug, 2014 Return: Sun, 17 Aug, 2014 Trip spans 3 days
US Airways
US Airways
LHR
08:15
PDX
00:45
16h 30m
1 stop
PDX
18:15
LHR
19:50
25h 35m
1 stop
Change your search
Airports
Origin

London
£978
Manchester
£975
Destination

Portland
£978