Alaska Airlines, Inc.ASAlaska Airlines, Inc.
Round Trip•Economy
Costa RicaLIR

Daniel Oduber Quirós International Airport

Liberia, Costa Rica
United StatesPDX

Portland International Airport

Portland, United States
$883 USD
-62%$333 USD
Verified Nov 29, 2025 at 2:52 AM
Rare Availability
5% of dates checked are available within 10% of the lowest price

Thursday, December 18th, 2025

3 round-trip options

Returning
Tue, Dec 23, 2025•5 Day Trip
$777 USD
Google Flights
Returning
Wed, Dec 24, 2025•6 Day Trip
$907 USD
Google Flights
Returning
Thu, Dec 25, 2025•7 Day Trip
$1,148 USD
Google Flights