Earn point on your loyalty program!arrow arc left

Cheap flights from Portland (PDX) to Lisbon (LIS)

Know your dates, get live prices in seconds
airplane logo

pin logo

calendar
Departure
calendar backward
Return
airplane logo
1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
Save up to 31%
Book Flight + Hotel at the same time

How to find the cheapest flight from Portland (PDX) to Lisbon (LIS)

How to find the cheapest flight from Portland (PDX) to Lisbon (LIS)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Portland (PDX) to Lisbon (LIS)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Portland (PDX) to Lisbon (LIS)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.

Cheap flights from Portland to Lisbon in August , September 2026

29 Aug - 16 Sep $ 885.00
PDX
Portland
Air Canada
3 STOPS
LIS
Lisbon
LIS
Lisbon
Air Canada
3 STOPS
PDX
Portland
Pick dates
26 Aug - 11 Sep $ 1,676.00
PDX
Portland
Air Canada
1 STOPS
LIS
Lisbon
LIS
Lisbon
Air Canada
2 STOPS
PDX
Portland
Pick dates
20 Aug - 06 Sep $ 2,070.00
PDX
Portland
Icelandair
1 STOPS
LIS
Lisbon
LIS
Lisbon
Icelandair
2 STOPS
PDX
Portland
Pick dates

Last minute flights from Portland to Lisbon

24 Aug - 01 Sep $ 1,148.00
PDX
Portland
KLM Royal Dutch Airlines
1 STOPS
LIS
Lisbon
LIS
Lisbon
KLM Royal Dutch Airlines
1 STOPS
PDX
Portland
Pick dates
24 Aug - 31 Aug $ 1,217.00
PDX
Portland
KLM Royal Dutch Airlines
1 STOPS
LIS
Lisbon
LIS
Lisbon
KLM Royal Dutch Airlines
1 STOPS
PDX
Portland
Pick dates
26 Aug - 31 Aug $ 1,217.00
PDX
Portland
KLM Royal Dutch Airlines
1 STOPS
LIS
Lisbon
LIS
Lisbon
KLM Royal Dutch Airlines
1 STOPS
PDX
Portland
Pick dates

One-way flights to Lisbon from Portland

7:00 PM - 4:00 PM
Icelandair
1 Stops
18h 20m
PDX - LIS
$ 484
Kiwi
Pick dates
11:27 PM - 6:05 PM
TAP Portugal
1 Stops
22h 13m
PDX - LIS
$ 746
Kiwi
Pick dates
11:15 AM - 8:25 PM
United Airlines
1 Stops
13h 5m
PDX - LIS
$ 814
Kiwi
Pick dates

How to find the cheapest flight from Portland (PDX) to Lisbon (LIS)

Related info for your journey
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Portland (PDX) to Lisbon (LIS)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Portland (PDX) to Lisbon (LIS)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.