Find Cheap Flights from Portland to Portugal

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 Portugal

(Round-trip)
Depart: Wed Sep 20 2017 Return: Wed Oct 4 2017 Trip spans 15 days
Lufthansa
Lufthansa
PDX
12:00a
LIS
12:50a
24h 50m
2 stops
LIS
12:00a
PDX
8:30p
20h 30m
2 stops
Depart: Mon Sep 18 2017 Return: Mon Oct 2 2017 Trip spans 15 days
Major Airline
Major Airline
PDX
12:00a
LIS
8:47p
20h 47m
2 stops
LIS
12:00a
PDX
7:54p
19h 54m
2 stops
Depart: Tue Sep 12 2017 Return: Thu Sep 28 2017 Trip spans 17 days
British Airways
British Airways
PDX
12:00a
LIS
2:50a
26h 50m
2 stops
LIS
12:00a
PDX
10:17a
34h 17m
2 stops
Depart: Mon Sep 11 2017 Return: Wed Sep 27 2017 Trip spans 17 days
Multiple Airlines
Multiple Airlines
PDX
12:00a
LIS
1:41p
37h 41m
2 stops
LIS
12:00a
PDX
8:45a
32h 45m
2 stops
Depart: Sat Aug 26 2017 Return: Tue Sep 5 2017 Trip spans 11 days
Air Canada
Air Canada
PDX
12:00a
LIS
8:45a
32h 45m
2 stops
LIS
12:00a
PDX
5:01a
29h 01m
2 stops
Depart: Wed Aug 23 2017 Return: Thu Sep 7 2017 Trip spans 16 days
United
United
PDX
12:00a
LIS
7:35p
19h 35m
2 stops
LIS
12:00a
PDX
5:01a
29h 01m
2 stops
Depart: Sun Sep 10 2017 Return: Tue Oct 3 2017 Trip spans 24 days
Iberia
Iberia
PDX
12:00a
LIS
8:01a
32h 01m
2 stops
LIS
12:00a
PDX
7:04a
31h 04m
2 stops
Depart: Sun Aug 27 2017 Return: Sun Sep 10 2017 Trip spans 15 days
KLM
KLM
PDX
12:00a
LIS
11:48p
23h 48m
2 stops
LIS
12:00a
PDX
2:29p
14h 29m
1 stop
Depart: Wed Nov 1 2017 Return: Sun Nov 12 2017 Trip spans 12 days
Aer Lingus
Aer Lingus
PDX
12:00a
LIS
8:05p
20h 05m
2 stops
LIS
12:00a
PDX
7:40a
31h 40m
2 stops
Depart: Mon Aug 28 2017 Return: Sun Sep 3 2017 Trip spans 7 days
$1062
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Brussels Airlines
Brussels Airlines
PDX
12:00a
OPO
10:40p
22h 40m
2 stops
OPO
12:00a
PDX
12:16p
36h 16m
2 stops
Depart: Sat Aug 26 2017 Return: Wed Sep 6 2017 Trip spans 12 days
Lufthansa
Lufthansa
PDX
12:00a
LIS
9:17a
33h 17m
2 stops
LIS
12:00a
PDX
1:54p
37h 54m
2 stops
Depart: Mon Sep 4 2017 Return: Thu Sep 14 2017 Trip spans 11 days
Air Canada
Air Canada
PDX
12:00a
LIS
7:10p
19h 10m
1 stop
LIS
12:00a
PDX
5:01a
29h 01m
2 stops
Depart: Tue Sep 19 2017 Return: Tue Sep 26 2017 Trip spans 8 days
Multiple Airlines
Multiple Airlines
PDX
12:00a
OPO
9:32a
33h 32m
2 stops
OPO
12:00a
PDX
6:50p
42h 50m
2 stops
Depart: Wed Aug 23 2017 Return: Tue Sep 5 2017 Trip spans 14 days
United
United
PDX
12:00a
LIS
9:00p
21h 00m
2 stops
LIS
12:00a
PDX
3:56p
15h 56m
1 stop
Depart: Mon Oct 16 2017 Return: Tue Oct 31 2017 Trip spans 16 days
Major Airline
Major Airline
PDX
12:00a
LIS
8:50p
20h 50m
2 stops
LIS
12:00a
PDX
1:09a
25h 09m
2 stops
Depart: Sat Sep 9 2017 Return: Mon Oct 9 2017 Trip spans 31 days
KLM
KLM
PDX
12:00a
OPO
10:31p
22h 31m
1 stop
OPO
12:00a
PDX
9:44p
21h 44m
1 stop
Depart: Mon Sep 4 2017 Return: Thu Sep 14 2017 Trip spans 11 days
Multiple Airlines
Multiple Airlines
PDX
12:00a
LIS
7:10p
19h 10m
1 stop
LIS
12:00a
PDX
6:36p
18h 36m
2 stops
Depart: Wed Sep 6 2017 Return: Wed Sep 13 2017 Trip spans 8 days
Lufthansa
Lufthansa
PDX
12:00a
LIS
3:28p
15h 28m
2 stops
LIS
12:00a
PDX
6:36p
18h 36m
2 stops
Depart: Fri Aug 25 2017 Return: Tue Sep 5 2017 Trip spans 12 days
Air Canada
Air Canada
PDX
12:00a
LIS
8:45a
32h 45m
2 stops
LIS
12:00a
PDX
5:01a
29h 01m
2 stops
Depart: Tue Aug 22 2017 Return: Thu Sep 7 2017 Trip spans 17 days
United
United
PDX
12:00a
LIS
8:15a
32h 15m
2 stops
LIS
12:00a
PDX
5:01a
29h 01m
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
$854
Destination

Porto
$904
Lisbon
$854