Liberia (LIR) to Portland (PDX) flight deal from $333 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

$883 USD

-62%$333 USD

Verified Nov 29, 2025 at 2:52 AM

January 2026

Mon

Tue

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Sun

29$647 30$809 31$747 1$922 2$1,675 3$1,796 4$1,234 5$942 6$661 7$1,218 8$706 9$734 10$649 11$579 12$469 13$483 14$484 15$432 16$590 17$464 18$568 19$634 20$407 21$349 22$342 23$445 24 25 26 27 28$362 29 30$333 31 1

Rare Availability

5% of dates checked are available within 10% of the lowest price

Wednesday, January 28th, 2026

1 round-trip options

Returning

Sat, Feb 7, 2026•10 Day Trip

$362 USD