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Cheap flights from Boston (BOS) to Porto (OPO)

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1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
Save up to 31%
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How to find the cheapest flight from Boston (BOS) to Porto (OPO)

How to find the cheapest flight from Boston (BOS) to Porto (OPO)
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How to find the cheapest flight from Boston (BOS) to Porto (OPO)
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How to find the cheapest flight from Boston (BOS) to Porto (OPO)
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Cheap flights from Boston to Porto in September , October 2026

28 Sep - 21 Oct $ 754.00
BOS
Boston
TAP Portugal
DIRECT
OPO
Porto
OPO
Porto
TAP Portugal
1 STOPS
BOS
Boston
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27 Sep - 15 Oct $ 769.00
BOS
Boston
TAP Portugal
1 STOPS
OPO
Porto
OPO
Porto
TAP Portugal
1 STOPS
BOS
Boston
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27 Sep - 14 Oct $ 910.00
BOS
Boston
TAP Portugal
DIRECT
OPO
Porto
OPO
Porto
TAP Portugal
DIRECT
BOS
Boston
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Last minute flights from Boston to Porto

28 Sep - 30 Sep $ 1,021.00
BOS
Boston
SATA Azores Airlines
1 STOPS
OPO
Porto
OPO
Porto
SATA Azores Airlines
1 STOPS
BOS
Boston
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28 Sep - 01 Oct $ 1,127.00
BOS
Boston
TAP Portugal
1 STOPS
OPO
Porto
OPO
Porto
TAP Portugal
1 STOPS
BOS
Boston
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27 Sep - 30 Sep $ 3,313.00
BOS
Boston
TAP Portugal
DIRECT
OPO
Porto
OPO
Porto
TAP Portugal
1 STOPS
BOS
Boston
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One-way flights to Porto from Boston

9:15 PM - 11:20 AM
SATA Azores Airlines
1 Stops
12h 30m
BOS - OPO
$ 397
Kiwi
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11:00 PM - 11:00 PM
TAP Portugal
0 Stops
6h 30m
BOS - OPO
$ 607
Kiwi
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11:15 PM - 11:15 PM
TAP Portugal
0 Stops
6h 40m
BOS - OPO
$ 617
Kiwi
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How to find the cheapest flight from Boston (BOS) to Porto (OPO)

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