Porto (OPO) to Boston (BOS) flight deal in economy from $516

Friday, December 11th, 2026

6 round-trip options

Returning
Wed, Dec 16, 20265 Day Trip
$807 USD
Returning
Thu, Dec 17, 20266 Day Trip
$915 USD
Returning
Fri, Dec 18, 20267 Day Trip
$1,041 USD
Returning
Sun, Dec 20, 20269 Day Trip
$984 USD
Returning
Tue, Dec 22, 202611 Day Trip
$984 USD
Returning
Thu, Dec 24, 202613 Day Trip
$812 USD