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

October 2025

Mon

Tue

Wed

Thu

Fri

Sat

Sun

29$474 30$510 1$430 2$545 3$454 4$463 5$468 6$506 7$1,099 8$411 9$489 10$465 11$455 12$468 13$580 14$508 15$411 16$341 17$341 18$451 19$446 20$432 21$456 22$454 23$333 24$341 25$341 26$346 27$341 28$333 29$333 30$341 31$341 1 2

Fair Availability

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

Monday, October 6th, 2025

3 round-trip options

Returning

Sat, Oct 11, 2025•5 Day Trip

$925 USD

Returning

Sun, Oct 12, 2025•6 Day Trip

$793 USD

Returning

Mon, Oct 13, 2025•7 Day Trip

$506 USD