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

Tuesday, December 22nd, 2026

6 round-trip options

Returning
Sun, Dec 27, 20265 Day Trip
$821 USD
Returning
Mon, Dec 28, 20266 Day Trip
$695 USD
Returning
Tue, Dec 29, 20267 Day Trip
$752 USD
Returning
Thu, Dec 31, 20269 Day Trip
$746 USD
Returning
Sat, Jan 2, 202711 Day Trip
$772 USD
Returning
Mon, Jan 4, 202713 Day Trip
$695 USD