Porto (OPO) to Boston (BOS) flight deal in economy from $516
$790 USD
-35%$516 USD
Verified 13 days agoJuly 2026
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Extremely Rare Availability
4% of dates checked are available within 10% of the lowest price
Wednesday, July 22nd, 2026
7 round-trip options
Returning
Mon, Jul 27, 2026•5 Day Trip
$739 USD
Returning
Wed, Jul 29, 2026•7 Day Trip
$682 USD
Returning
Thu, Jul 30, 2026•8 Day Trip
$682 USD
Returning
Fri, Jul 31, 2026•9 Day Trip
$1,183 USD
Returning
Sun, Aug 2, 2026•11 Day Trip
$655 USD
Returning
Mon, Aug 3, 2026•12 Day Trip
$767 USD
Returning
Tue, Aug 4, 2026•13 Day Trip
$739 USD