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Cheap flights from Portland (PDX) to Porto (OPO)

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0 Children (2~11)
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How to find the cheapest flight from Portland (PDX) to Porto (OPO)

How to find the cheapest flight from Portland (PDX) to Porto (OPO)
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How to find the cheapest flight from Portland (PDX) to Porto (OPO)
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How to find the cheapest flight from Portland (PDX) to Porto (OPO)
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Cheap flights from Portland to Porto in July , August 2026

30 Jul - 27 Aug $ 1,243.00
PDX
Portland
Condor
2 STOPS
OPO
Porto
OPO
Porto
Condor
2 STOPS
PDX
Portland
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30 Jul - 01 Aug $ 1,993.00
PDX
Portland
Swiss International Air Lines
1 STOPS
OPO
Porto
OPO
Porto
Swiss International Air Lines
2 STOPS
PDX
Portland
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26 Jul - 07 Aug $ 2,035.00
PDX
Portland
Air Canada
2 STOPS
OPO
Porto
OPO
Porto
Air Canada
2 STOPS
PDX
Portland
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Last minute flights from Portland to Porto

26 Jul - 31 Jul $ 1,644.00
PDX
Portland
Alaska Airlines
3 STOPS
OPO
Porto
OPO
Porto
Alaska Airlines
2 STOPS
PDX
Portland
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27 Jul - 31 Jul $ 1,860.00
PDX
Portland
Alaska Airlines
2 STOPS
OPO
Porto
OPO
Porto
Alaska Airlines
2 STOPS
PDX
Portland
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27 Jul - 31 Jul $ 1,933.00
PDX
Portland
Alaska Airlines
1 STOPS
OPO
Porto
OPO
Porto
Alaska Airlines
2 STOPS
PDX
Portland
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One-way flights to Porto from Portland

1:05 PM - 3:50 PM
Norwegian Air Sweden
2 Stops
21h 15m
PDX - OPO
$ 574
Kiwi
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7:00 AM - 6:50 PM
United Airlines
2 Stops
15h 55m
PDX - OPO
$ 694
Kiwi
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10:42 AM - 9:40 PM
United Airlines
1 Stops
15h 3m
PDX - OPO
$ 700
Kiwi
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How to find the cheapest flight from Portland (PDX) to Porto (OPO)

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