Liberia (LIR) to Portland (PDX) flight deal from $341 USD in economy class – flightdeals.net

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Alaska Airlines, Inc.

ASAlaska Airlines, Inc.

Round Trip•Economy

Daniel Oduber Quirós International Airport

Liberia, Costa Rica

Portland International Airport

Portland, United States

$807 USD

-58%$341 USD

Verified Nov 4, 2025 at 12:26 AM

December 2025

Mon

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Sun

1$1,055 2$1,498 3$644 4$505 5$341 6$370 7$425 8$425 9$562 10$586 11$586 12$782 13$1,080 14$1,396 15$1,080 16$829 17$817 18$832 19$956 20$544 21$759 22$417 23$582 24$496 25$448 26$417 27$560 28$600 29$617 30 31 1 2 3 4

Extremely Rare Availability

3% of dates checked are available within 10% of the lowest price

Monday, December 8th, 2025

4 round-trip options

Returning

Sat, Dec 13, 2025•5 Day Trip

$425 USD

Returning

Sun, Dec 14, 2025•6 Day Trip

$507 USD

Returning

Mon, Dec 15, 2025•7 Day Trip

$602 USD

Returning

Fri, Dec 19, 2025•11 Day Trip

$1,283 USD