Porto (OPO) to Boston (BOS) flight deal in economy from $516
$790 USD
-35%$516 USD
Verified 13 days agoOctober 2026
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Extremely Rare Availability
4% of dates checked are available within 10% of the lowest price
Friday, October 23rd, 2026
8 round-trip options
Returning
Wed, Oct 28, 2026•5 Day Trip
$761 USD
Returning
Thu, Oct 29, 2026•6 Day Trip
$761 USD
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Sat, Oct 31, 2026•8 Day Trip
$761 USD
Returning
Sun, Nov 1, 2026•9 Day Trip
$664 USD
Returning
Mon, Nov 2, 2026•10 Day Trip
$664 USD
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Tue, Nov 3, 2026•11 Day Trip
$543 USD
Returning
Thu, Nov 5, 2026•13 Day Trip
$783 USD
Returning
Fri, Nov 6, 2026•14 Day Trip
$761 USD