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
Monday, August 24th, 2026
7 round-trip options
Returning
Sat, Aug 29, 2026•5 Day Trip
$1,030 USD
Returning
Mon, Aug 31, 2026•7 Day Trip
$966 USD
Returning
Tue, Sep 1, 2026•8 Day Trip
$966 USD
Returning
Wed, Sep 2, 2026•9 Day Trip
$906 USD
Returning
Fri, Sep 4, 2026•11 Day Trip
$983 USD
Returning
Sat, Sep 5, 2026•12 Day Trip
$966 USD
Returning
Sun, Sep 6, 2026•13 Day Trip
$984 USD