Porto (OPO) to Boston (BOS) flight deal in economy from $516
$790 USD
-35%$516 USD
Verified 14 days agoDecember 2026
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Extremely Rare Availability
4% of dates checked are available within 10% of the lowest price
Sunday, December 20th, 2026
6 round-trip options
Returning
Fri, Dec 25, 2026•5 Day Trip
$892 USD
Returning
Sat, Dec 26, 2026•6 Day Trip
$835 USD
Returning
Sun, Dec 27, 2026•7 Day Trip
$832 USD
Returning
Tue, Dec 29, 2026•9 Day Trip
$800 USD
Returning
Thu, Dec 31, 2026•11 Day Trip
$800 USD
Returning
Sat, Jan 2, 2027•13 Day Trip
$811 USD



