Alaska Airlines, Inc.ASAlaska Airlines, Inc.
Round Trip•Economy
United StatesPDX

Portland International Airport

Portland, United States
Costa RicaLIR

Daniel Oduber Quirós International Airport

Liberia, Costa Rica
$635 USD
-46%$345 USD
Verified Sep 21, 2025 at 6:34 PM
Limited Availability
19% of dates checked are available within 10% of the lowest price

Friday, October 3rd, 2025

5 round-trip options

Returning
Thu, Oct 9, 2025•6 Day Trip
$436 USD
Google Flights
Returning
Sat, Oct 11, 2025•8 Day Trip
$487 USD
Google Flights
Returning
Sun, Oct 12, 2025•9 Day Trip
$695 USD
Google Flights
Returning
Tue, Oct 14, 2025•11 Day Trip
$819 USD
Google Flights
Returning
Thu, Oct 16, 2025•13 Day Trip
$393 USD
Google Flights