Porto (OPO) to Boston (BOS) flight deal in economy from $516
$790 USD
-35%$516 USD
Verified 13 days agoAugust 2026
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Extremely Rare Availability
4% of dates checked are available within 10% of the lowest price
Sunday, August 2nd, 2026
7 round-trip options
Returning
Fri, Aug 7, 2026•5 Day Trip
$1,132 USD
Returning
Sun, Aug 9, 2026•7 Day Trip
$845 USD
Returning
Mon, Aug 10, 2026•8 Day Trip
$955 USD
Returning
Tue, Aug 11, 2026•9 Day Trip
$898 USD
Returning
Thu, Aug 13, 2026•11 Day Trip
$861 USD
Returning
Fri, Aug 14, 2026•12 Day Trip
$1,121 USD
Returning
Sat, Aug 15, 2026•13 Day Trip
$1,121 USD