Boston (BOS) to Porto (OPO) flight deal from $374 USD in economy class – flightdeals.net

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United Airlines

UAUnited Airlines

Round Trip•Economy

Logan International Airport

Boston, United States

Francisco Sá Carneiro Airport

Porto, Portugal

$794 USD

-53%$374 USD

Verified Nov 4, 2025 at 3:26 PM

November 2025

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27 28 29 30 31 1 2 3 4$443 5$443 6$493 7$493 8$571 9$443 10$443 11$374 12$374 13$424 14$424 15$424 16$374 17$374 18$374 19$374 20$459 21$870 22$725 23$390 24$379 25$435 26$390 27$429 28$429 29$429 30$379

Extremely Rare Availability

2% of dates checked are available within 10% of the lowest price

Monday, November 3rd, 2025

0 round-trip options

No flight details available for this date.