United AirlinesUAUnited Airlines
Round Trip•Business Class
Costa RicaLIR

Daniel Oduber Quirós International Airport

Liberia, Costa Rica
United StatesPDX

Portland International Airport

Portland, United States
$1,516 USD
-36%$972 USD
Verified Nov 30, 2025 at 8:08 AM
Limited Availability
13% of dates checked are available within 10% of the lowest price

Tuesday, January 6th, 2026

5 round-trip options

Returning
Sun, Jan 11, 2026•5 Day Trip
$1,360 USD
Google Flights
Returning
Mon, Jan 12, 2026•6 Day Trip
$1,837 USD
Google Flights
Returning
Tue, Jan 13, 2026•7 Day Trip
$1,922 USD
Google Flights
Returning
Sat, Jan 17, 2026•11 Day Trip
$2,137 USD
Google Flights
Returning
Mon, Jan 19, 2026•13 Day Trip
$1,632 USD
Google Flights