PDX to LIR from $502 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

$958 USD

-48%$502 USD

Verified 15 days ago

July 2026

Mon

Tue

Wed

Thu

Fri

Sat

Sun

29 30 1 2 3 4 5$765 6$621 7$655 8$621 9$635 10$635 11$635 12$588 13$556 14$556 15$556 16$582 17$576 18$576 19$522 20$660 21$522 22$879 23$522 24$516 25$516 26$630 27$566 28$567 29$566 30$516 31$546 1$522 2$651

Limited Availability

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

Saturday, July 4th, 2026

No flight details available for this date.