PDX to LIR from $446 in economy – flightdeals.net

Home Premium Fare Deals About

United Airlines

UAUnited Airlines

Round Trip•Economy

Portland International Airport

Portland, United States

Daniel Oduber Quirós International Airport

Liberia, Costa Rica

$760 USD

-41%$446 USD

Verified 13 days ago

July 2026

Mon

Tue

Wed

Thu

Fri

Sat

Sun

29 30 1 2 3 4 5$619 6$579 7$579 8$579 9$584 10$584 11$593 12$514 13$505 14$505 15$519 16$525 17$539 18$539 19$499 20$465 21$479 22$639 23$479 24$639 25$648 26$684 27$681 28$681 29$694 30$695 31$785 1$850 2$838

Fair Availability

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

Thursday, July 2nd, 2026

0 round-trip options

No flight details available for this date.