LIR to PDX from $439 in economy – 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

$881 USD

-50%$439 USD

Verified 15 days ago

September 2026

Mon

Tue

Wed

Thu

Fri

Sat

Sun

31$638 1$439 2$638 3$496 4$439 5$469 6$812 7$744 8$991 9$638 10$439 11$439 12$733 13$474 14$454 15$439 16$439 17$439 18$496 19$469 20$738 21$517 22$439 23$439 24$439 25$459 26$469 27$778 28$454 29$439 30$496 1$565 2$565 3$700 4$600

Limited Availability

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

Friday, September 4th, 2026

3 round-trip options

Returning

Wed, Sep 9, 2026•5 Day Trip

$459 USD

Returning

Mon, Sep 14, 2026•10 Day Trip

$439 USD

Returning

Tue, Sep 15, 2026•11 Day Trip

$565 USD