LIR to PDX from $428 in economy – flightdeals.net

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United Airlines

UAUnited Airlines

Round Trip•Economy

Daniel Oduber Quirós International Airport

Liberia, Costa Rica

Portland International Airport

Portland, United States

$765 USD

-44%$428 USD

Verified about 19 hours ago

June 2026

Mon

Tue

Wed

Thu

Fri

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Sun

1 2 3$555 4$555 5$555 6$565 7$565 8$565 9$491 10$485 11$672 12$491 13$513 14$513 15$506 16$428 17$598 18$521 19$443 20$572 21$607 22$443 23$443 24$485 25$474 26$626 27$615 28$712 29$721 30$813 1$676 2$763 3$720 4$597 5$580

Limited Availability

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

Monday, June 1st, 2026

0 round-trip options

No flight details available for this date.