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Cheap flights from Phoenix (PHX) to Porto (OPO)

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How to find the cheapest flight from Phoenix (PHX) to Porto (OPO)

How to find the cheapest flight from Phoenix (PHX) to Porto (OPO)
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How to find the cheapest flight from Phoenix (PHX) to Porto (OPO)
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How to find the cheapest flight from Phoenix (PHX) to Porto (OPO)
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Cheap flights from Phoenix to Porto in March , April 2026

30 Mar - 27 Apr $ 897.00
PHX
Phoenix
Frontier Airlines
3 STOPS
OPO
Porto
OPO
Porto
Frontier Airlines
2 STOPS
PHX
Phoenix
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30 Mar - 27 Apr $ 912.00
PHX
Phoenix
Frontier Airlines
2 STOPS
OPO
Porto
OPO
Porto
Frontier Airlines
2 STOPS
PHX
Phoenix
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18 Mar - 27 Apr $ 946.00
PHX
Phoenix
Frontier Airlines
2 STOPS
OPO
Porto
OPO
Porto
Frontier Airlines
2 STOPS
PHX
Phoenix
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Last minute flights from Phoenix to Porto

24 Mar - 31 Mar $ 872.00
PHX
Phoenix
Frontier Airlines
2 STOPS
OPO
Porto
OPO
Porto
Frontier Airlines
2 STOPS
PHX
Phoenix
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24 Mar - 31 Mar $ 872.00
PHX
Phoenix
Frontier Airlines
2 STOPS
OPO
Porto
OPO
Porto
Frontier Airlines
2 STOPS
PHX
Phoenix
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18 Mar - 31 Mar $ 1,288.00
PHX
Phoenix
Hawaiian Airlines
2 STOPS
OPO
Porto
OPO
Porto
Hawaiian Airlines
3 STOPS
PHX
Phoenix
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One-way flights to Porto from Phoenix

6:50 AM - 8:25 PM
easyJet
3 Stops
32h 5m
PHX - OPO
$ 450
Kiwi
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3:30 PM - 9:15 PM
Transavia France
2 Stops
23h 5m
PHX - OPO
$ 552
Kiwi
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10:43 AM - 10:45 PM
United Airlines
1 Stops
15h 47m
PHX - OPO
$ 861
Kiwi
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How to find the cheapest flight from Phoenix (PHX) to Porto (OPO)

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