Liberia (LIR) to Portland (PDX) cheap 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

$632 USD

-47%$333 USD

Verified Sep 21, 2025 at 2:53 PM

September 2025

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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21$614 22$541 23$532 24$503 25$503 26$503 27$605 28$524 29$1,084 30$916 1$415 2$473 3$473 4$518 5$576

Limited Availability

13% of dates checked are available within 10% of the lowest price

Wednesday, September 17th, 2025

0 round-trip options

No flight details available for this date.