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

Tuesday, December 1st, 2026

6 round-trip options

Returning
Sun, Dec 6, 20265 Day Trip
$544 USD
Returning
Mon, Dec 7, 20266 Day Trip
$527 USD
Returning
Tue, Dec 8, 20267 Day Trip
$665 USD
Returning
Thu, Dec 10, 20269 Day Trip
$670 USD
Returning
Sat, Dec 12, 202611 Day Trip
$664 USD
Returning
Mon, Dec 14, 202613 Day Trip
$675 USD