Boston (BOS) to Porto (OPO) flight deal from $371 USD in economy class

AAAmerican Airlines

AYFinnair

Logan International Airport

Boston, United States

OPO

Francisco Sá Carneiro Airport

Porto, Portugal

$650 USD

-43%$371 USD

Verified Nov 3, 2025 at 5:47 PM

December 2025

Today

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1$375 2$372 3$376 4$432 5$422 6$422 7$448 8$372 9$482 10$422 11$499 12$509 13$509 14$456 15$495 16$670 17$784 18$1,040 19$1,127 20$1,328 21$1,067 22$1,100 23$788 24$1,144 25$779 26$968 27$744 28$625 29$540 30$384 31$403 1 2 3 4

Rare Availability

9% of dates checked are available within 10% of the lowest price

Monday, December 29th, 2025

10 round-trip options

Returning

Sat, Jan 3, 2026•5 Day Trip

$1,458 USD

Google Flights

Returning

Sun, Jan 4, 2026•6 Day Trip

$1,005 USD

Google Flights

Returning

Mon, Jan 5, 2026•7 Day Trip

$813 USD

Google Flights

Returning

Tue, Jan 6, 2026•8 Day Trip

$748 USD

Google Flights

Returning

Wed, Jan 7, 2026•9 Day Trip

$566 USD

Google Flights

Returning

Thu, Jan 8, 2026•10 Day Trip

$607 USD

Google Flights

Returning

Fri, Jan 9, 2026•11 Day Trip

$693 USD

Google Flights

Returning

Sat, Jan 10, 2026•12 Day Trip

$708 USD

Google Flights

Returning

Sun, Jan 11, 2026•13 Day Trip

$625 USD

Google Flights

Returning

Mon, Jan 12, 2026•14 Day Trip

$540 USD

Google Flights