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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 August , September 2026

26 Aug - 16 Sep $ 694.00
BOS
Boston
TAP Portugal
DIRECT
OPO
Porto
OPO
Porto
TAP Portugal
1 STOPS
BOS
Boston
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20 Aug - 10 Sep $ 885.00
BOS
Boston
TAP Portugal
1 STOPS
OPO
Porto
OPO
Porto
TAP Portugal
1 STOPS
BOS
Boston
Pick dates
23 Aug - 06 Sep $ 1,319.00
BOS
Boston
TAP Portugal
DIRECT
OPO
Porto
OPO
Porto
TAP Portugal
DIRECT
BOS
Boston
Pick dates

Last minute flights from Boston to Porto

22 Aug - 01 Sep $ 904.00
BOS
Boston
TAP Portugal
DIRECT
OPO
Porto
OPO
Porto
TAP Portugal
1 STOPS
BOS
Boston
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26 Aug - 31 Aug $ 956.00
BOS
Boston
TAP Portugal
DIRECT
OPO
Porto
OPO
Porto
TAP Portugal
DIRECT
BOS
Boston
Pick dates
19 Aug - 31 Aug $ 1,373.00
BOS
Boston
TAP Portugal
DIRECT
OPO
Porto
OPO
Porto
TAP Portugal
DIRECT
BOS
Boston
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One-way flights to Porto from Boston

11:35 PM - 7:00 AM
Level
1 Stops
27h 25m
BOS - OPO
$ 360
Kiwi
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11:35 PM - 3:10 PM
Level
1 Stops
11h 35m
BOS - OPO
$ 366
Kiwi
Pick dates
11:00 PM - 11:00 PM
TAP Portugal
0 Stops
6h 30m
BOS - OPO
$ 491
Kiwi
Pick dates

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.