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Cheap flights from Honolulu (HNL) to Porto (OPO)

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1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
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How to find the cheapest flight from Honolulu (HNL) to Porto (OPO)

How to find the cheapest flight from Honolulu (HNL) to Porto (OPO)
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How to find the cheapest flight from Honolulu (HNL) to Porto (OPO)
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How to find the cheapest flight from Honolulu (HNL) to Porto (OPO)
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Cheap flights from Honolulu to Porto in August , September 2026

27 Aug - 18 Sep $ 1,351.00
HNL
Honolulu
Alaska Airlines
2 STOPS
OPO
Porto
OPO
Porto
Alaska Airlines
2 STOPS
HNL
Honolulu
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20 Aug - 08 Sep $ 1,884.00
HNL
Honolulu
Air Canada
2 STOPS
OPO
Porto
OPO
Porto
Air Canada
2 STOPS
HNL
Honolulu
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20 Aug - 03 Sep $ 2,129.00
HNL
Honolulu
Air Canada
2 STOPS
OPO
Porto
OPO
Porto
Air Canada
2 STOPS
HNL
Honolulu
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Last minute flights from Honolulu to Porto

21 Aug - 31 Aug $ 1,864.00
HNL
Honolulu
Alaska Airlines
2 STOPS
OPO
Porto
OPO
Porto
Alaska Airlines
2 STOPS
HNL
Honolulu
Pick dates
20 Aug - 01 Sep $ 1,890.00
HNL
Honolulu
Air Canada
2 STOPS
OPO
Porto
OPO
Porto
Air Canada
2 STOPS
HNL
Honolulu
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20 Aug - 31 Aug $ 2,143.00
HNL
Honolulu
Lufthansa
2 STOPS
OPO
Porto
OPO
Porto
Lufthansa
2 STOPS
HNL
Honolulu
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One-way flights to Porto from Honolulu

9:55 PM - 7:45 PM
Air Canada
2 Stops
22h 5m
HNL - OPO
$ 770
Kiwi
Pick dates
9:55 PM - 7:45 PM
Air Canada
2 Stops
22h 5m
HNL - OPO
$ 770
Kiwi
Pick dates
9:55 PM - 7:45 PM
Lufthansa
2 Stops
22h 5m
HNL - OPO
$ 771
Kiwi
Pick dates

How to find the cheapest flight from Honolulu (HNL) to Porto (OPO)

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