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

Friday, December 26th, 2025

4 round-trip options

Returning
Wed, Dec 31, 2025•5 Day Trip
$615 USD
Google Flights
Returning
Thu, Jan 1, 2026•6 Day Trip
$570 USD
Google Flights
Returning
Fri, Jan 2, 2026•7 Day Trip
$655 USD
Google Flights
Returning
Mon, Jan 5, 2026•10 Day Trip
$495 USD
Google Flights