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

$537 USD

-38%$333 USD

Verified Sep 19, 2025 at 6:34 PM

September 2025

Mon

Tue

Wed

Thu

Fri

Sat

Sun

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19$451 20$461 21$466 22$461 23$530 24$451 25$451 26$360 27$373 28$437 29$474 30$510 1$430 2$545 3$454 4$463 5$468

Fair Availability

24% of dates checked are available within 10% of the lowest price

Monday, September 29th, 2025

3 round-trip options

Returning

Sat, Oct 4, 2025•5 Day Trip

$474 USD

Returning

Sun, Oct 5, 2025•6 Day Trip

$514 USD

Returning

Mon, Oct 6, 2025•7 Day Trip

$708 USD