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

Sunday, January 31st, 2027

3 round-trip options

Returning
Sat, Feb 6, 20276 Day Trip
$732 USD
Returning
Tue, Feb 9, 20279 Day Trip
$732 USD
Returning
Fri, Feb 12, 202712 Day Trip
$910 USD