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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 July , August 2026

27 Jul - 20 Aug $ 1,021.00
BOS
Boston
United Airlines
1 STOPS
OPO
Porto
OPO
Porto
United Airlines
1 STOPS
BOS
Boston
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29 Jul - 06 Aug $ 1,194.00
BOS
Boston
TAP Portugal
1 STOPS
OPO
Porto
OPO
Porto
TAP Portugal
1 STOPS
BOS
Boston
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29 Jul - 09 Aug $ 1,841.00
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

27 Jul - 31 Jul $ 1,304.00
BOS
Boston
TAP Portugal
1 STOPS
OPO
Porto
OPO
Porto
TAP Portugal
1 STOPS
BOS
Boston
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27 Jul - 31 Jul $ 1,333.00
BOS
Boston
Swiss International Air Lines
1 STOPS
OPO
Porto
OPO
Porto
Swiss International Air Lines
1 STOPS
BOS
Boston
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29 Jul - 31 Jul $ 1,888.00
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
$ 477
Kiwi
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10:45 PM - 4:00 PM
TAP Portugal
1 Stops
13h 15m
BOS - OPO
$ 489
Kiwi
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11:15 PM - 11:15 PM
TAP Portugal
0 Stops
6h 30m
BOS - OPO
$ 957
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.