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

Tuesday, December 8th, 2026

6 round-trip options

Returning
Sun, Dec 13, 20265 Day Trip
$732 USD
Returning
Mon, Dec 14, 20266 Day Trip
$732 USD
Returning
Tue, Dec 15, 20267 Day Trip
$819 USD
Returning
Thu, Dec 17, 20269 Day Trip
$949 USD
Returning
Sat, Dec 19, 202611 Day Trip
$1,057 USD
Returning
Mon, Dec 21, 202613 Day Trip
$944 USD