PDX to LIR from $497 in business – flightdeals.net

Home Premium Fare Deals About

United Airlines

UAUnited Airlines

One Way•Business Class

Portland International Airport

Portland, United States

Daniel Oduber Quirós International Airport

Liberia, Costa Rica

$875 USD

-43%$497 USD

Verified 2 days ago

June 2026

Mon

Tue

Wed

Thu

Fri

Sat

Sun

1 2$611 3$611 4$625 5$1,056 6$1,717 7$611 8$611 9$557 10$746 11$623 12$761 13$691 14$795 15$881 16$517 17$577 18$564 19$511 20$511 21$661 22$497 23$503 24$609 25$517 26$696 27$517 28$761 29$497 30$517 1$718 2$761 3$511 4$511 5$795

Limited Availability

14% of dates checked are available within 10% of the lowest price

Thursday, June 11th, 2026

Outbound Flights

·

→

·

→

·

→