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Cheap flights from Buffalo (BUF) to Porto (OPO)

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0 Children (2~11)
0 Infants (0~2)
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How to find the cheapest flight from Buffalo (BUF) to Porto (OPO)

How to find the cheapest flight from Buffalo (BUF) to Porto (OPO)
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How to find the cheapest flight from Buffalo (BUF) to Porto (OPO)
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How to find the cheapest flight from Buffalo (BUF) to Porto (OPO)
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Cheap flights from Buffalo to Porto in June , July 2026

30 Jun - 14 Jul $ 1,545.00
BUF
Buffalo
WestJet
2 STOPS
OPO
Porto
OPO
Porto
WestJet
2 STOPS
BUF
Buffalo
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30 Jun - 14 Jul $ 1,564.00
BUF
Buffalo
WestJet
3 STOPS
OPO
Porto
OPO
Porto
WestJet
2 STOPS
BUF
Buffalo
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28 Jun - 14 Jul $ 1,711.00
BUF
Buffalo
WestJet
3 STOPS
OPO
Porto
OPO
Porto
WestJet
2 STOPS
BUF
Buffalo
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Last minute flights from Buffalo to Porto

28 Jun - 01 Jul $ 1,707.00
BUF
Buffalo
WestJet
3 STOPS
OPO
Porto
OPO
Porto
WestJet
3 STOPS
BUF
Buffalo
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28 Jun - 01 Jul $ 1,782.00
BUF
Buffalo
WestJet
3 STOPS
OPO
Porto
OPO
Porto
WestJet
3 STOPS
BUF
Buffalo
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28 Jun - 30 Jun $ 1,809.00
BUF
Buffalo
WestJet
3 STOPS
OPO
Porto
OPO
Porto
WestJet
2 STOPS
BUF
Buffalo
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One-way flights to Porto from Buffalo

3:00 PM - 9:40 PM
United Airlines
2 Stops
13h 45m
BUF - OPO
$ 849
Kiwi
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10:34 AM - 6:10 PM
United Airlines
1 Stops
14h 41m
BUF - OPO
$ 850
Kiwi
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7:00 PM - 9:40 PM
United Airlines
1 Stops
9h 45m
BUF - OPO
$ 1,047
Kiwi
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How to find the cheapest flight from Buffalo (BUF) to Porto (OPO)

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