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
$632 USD
-47%$333 USD
Verified Sep 21, 2025 at 2:53 PM
Limited Availability
13% of dates checked are available within 10% of the lowest price

Monday, September 22nd, 2025

3 round-trip options

Returning
Sat, Sep 27, 2025•5 Day Trip
$551 USD
Google Flights
Returning
Sun, Sep 28, 2025•6 Day Trip
$569 USD
Google Flights
Returning
Mon, Sep 29, 2025•7 Day Trip
$541 USD
Google Flights