Liberia (LIR) to Portland (PDX) flight deal from $332 USD in economy class – flightdeals.net

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American Airlines

AAAmerican Airlines

Round Trip•Economy

Daniel Oduber Quirós International Airport

Liberia, Costa Rica

Portland International Airport

Portland, United States

$665 USD

-50%$332 USD

Verified Nov 4, 2025 at 10:43 PM

December 2025

Mon

Tue

Wed

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Sun

1$852 2$531 3$332 4$332 5$347 6$361 7$367 8$366 9$352 10$332 11$515 12$578 13$819 14$732 15$727 16$713 17$799 18$894 19$1,008 20$773 21$588 22$425 23$410 24$332 25$332 26$332 27$660 28$521 29$578 30$578 31 1 2 3 4

Rare Availability

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

Tuesday, December 9th, 2025

3 round-trip options

Returning

Sun, Dec 14, 2025•5 Day Trip

$410 USD

Returning

Mon, Dec 15, 2025•6 Day Trip

$352 USD

Returning

Tue, Dec 16, 2025•7 Day Trip

$578 USD