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

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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 March , April 2026

28 Mar - 10 Apr $ 747.00
PDX
Portland
Hawaiian Airlines
2 STOPS
OPO
Porto
OPO
Porto
Hawaiian Airlines
2 STOPS
PDX
Portland
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28 Mar - 27 Apr $ 765.00
PDX
Portland
Alaska Airlines
2 STOPS
OPO
Porto
OPO
Porto
Alaska Airlines
2 STOPS
PDX
Portland
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28 Mar - 09 Apr $ 766.00
PDX
Portland
Hawaiian Airlines
2 STOPS
OPO
Porto
OPO
Porto
Hawaiian Airlines
2 STOPS
PDX
Portland
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Last minute flights from Portland to Porto

28 Mar - 02 Apr $ 727.00
PDX
Portland
Hawaiian Airlines
2 STOPS
OPO
Porto
OPO
Porto
Hawaiian Airlines
2 STOPS
PDX
Portland
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28 Mar - 02 Apr $ 790.00
PDX
Portland
Hawaiian Airlines
2 STOPS
OPO
Porto
OPO
Porto
Hawaiian Airlines
3 STOPS
PDX
Portland
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30 Mar - 02 Apr $ 949.00
PDX
Portland
Hawaiian Airlines
2 STOPS
OPO
Porto
OPO
Porto
Hawaiian Airlines
2 STOPS
PDX
Portland
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One-way flights to Porto from Portland

3:45 PM - 6:50 AM
easyJet
2 Stops
33h 50m
PDX - OPO
$ 291
Kiwi
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3:30 PM - 6:20 AM
Wizz Air Malta
3 Stops
32h 50m
PDX - OPO
$ 332
Kiwi
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3:30 PM - 8:30 PM
KLM Royal Dutch Airlines
3 Stops
22h 45m
PDX - OPO
$ 405
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.