Portland (PDX) to Liberia (LIR) cheap flight deal from $345 USD in economy class

AAAmerican Airlines

Round Trip•Economy

PDX

Portland International Airport

Portland, United States

LIR

Daniel Oduber Quirós International Airport

Liberia, Costa Rica

$593 USD

-42%$345 USD

Verified Sep 19, 2025 at 6:33 PM

October 2025

Today

Mon

Tue

Wed

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Sun

29$367 30$372 1$761 2$457 3$353 4$349 5$358 6$437 7$592 8$549 9$523 10$468 11$491 12$667 13$436 14$436 15$353 16$452 17$349 18$349 19$345 20$349 21$369 22$353 23$353 24$349 25$345 26$345 27$349 28$349 29$349 30$353 31$902 1 2

Fair Availability

28% of dates checked are available within 10% of the lowest price

Wednesday, October 8th, 2025

10 round-trip options

Returning

Mon, Oct 13, 2025•5 Day Trip

$811 USD

Google Flights

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Tue, Oct 14, 2025•6 Day Trip

$783 USD

Google Flights

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Wed, Oct 15, 2025•7 Day Trip

$636 USD

Google Flights

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Thu, Oct 16, 2025•8 Day Trip

$549 USD

Google Flights

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Fri, Oct 17, 2025•9 Day Trip

$926 USD

Google Flights

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Sat, Oct 18, 2025•10 Day Trip

$1,001 USD

Google Flights

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Sun, Oct 19, 2025•11 Day Trip

$1,035 USD

Google Flights

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Mon, Oct 20, 2025•12 Day Trip

$1,005 USD

Google Flights

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Tue, Oct 21, 2025•13 Day Trip

$958 USD

Google Flights

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Wed, Oct 22, 2025•14 Day Trip

$926 USD

Google Flights