OPO to BOS from $516 in economy – flightdeals.net

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American Airlines

AAAmerican Airlines

Finnair

British Airways

BABritish Airways

Iberia Airlines

IBIberia Airlines

Round Trip•Economy

Francisco Sá Carneiro Airport

Porto, Portugal

Logan International Airport

Boston, United States

$790 USD

-35%$516 USD

Verified 13 days ago

July 2026

Mon

Tue

Wed

Thu

Fri

Sat

Sun

29 30 1 2 3 4 5$1,069 6$1,030 7$1,001 8$973 9$973 10$978 11$1,000 12$845 13$854 14$845 15$598 16$602 17$854 18$854 19$598 20$871 21$854 22$655 23$602 24$871 25$871 26$1,040 27$845 28$845 29$617 30$609 31$826 1$968 2$845

Extremely Rare Availability

4% of dates checked are available within 10% of the lowest price

Sunday, July 5th, 2026

4 round-trip options

Returning

Tue, Jul 14, 2026•9 Day Trip

$1,069 USD

Returning

Thu, Jul 16, 2026•11 Day Trip

$1,069 USD

Returning

Fri, Jul 17, 2026•12 Day Trip

$1,144 USD

Returning

Sat, Jul 18, 2026•13 Day Trip

$1,109 USD