Porto (OPO) to Boston (BOS) flight deal in economy from $516
$790 USD
-35%$516 USD
Verified 13 days agoAugust 2026
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Extremely Rare Availability
4% of dates checked are available within 10% of the lowest price
Wednesday, August 26th, 2026
7 round-trip options
Returning
Mon, Aug 31, 2026•5 Day Trip
$1,064 USD
Returning
Wed, Sep 2, 2026•7 Day Trip
$905 USD
Returning
Thu, Sep 3, 2026•8 Day Trip
$973 USD
Returning
Fri, Sep 4, 2026•9 Day Trip
$829 USD
Returning
Sun, Sep 6, 2026•11 Day Trip
$608 USD
Returning
Mon, Sep 7, 2026•12 Day Trip
$669 USD
Returning
Tue, Sep 8, 2026•13 Day Trip
$669 USD