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
Saturday, July 25th, 2026
7 round-trip options
Returning
Thu, Jul 30, 2026•5 Day Trip
$898 USD
Returning
Sat, Aug 1, 2026•7 Day Trip
$898 USD
Returning
Sun, Aug 2, 2026•8 Day Trip
$871 USD
Returning
Mon, Aug 3, 2026•9 Day Trip
$984 USD
Returning
Wed, Aug 5, 2026•11 Day Trip
$934 USD
Returning
Thu, Aug 6, 2026•12 Day Trip
$917 USD
Returning
Fri, Aug 7, 2026•13 Day Trip
$1,086 USD