Liberia (LIR) to Portland (PDX) flight deal in economy from $428

American AirlinesAAAmerican Airlines
Round Trip•Economy
Costa RicaLIR

Daniel Oduber Quirós International Airport

Liberia, Costa Rica
United StatesPDX

Portland International Airport

Portland, United States
$762 USD
-44%$428 USD
Verified 2 days ago
Limited Availability
13% of dates checked are available within 10% of the lowest price

Friday, October 23rd, 2026

7 round-trip options

Returning
Thu, Oct 29, 2026•6 Day Trip
$635 USD
Google Flights
Returning
Sun, Nov 1, 2026•9 Day Trip
$492 USD
Google Flights
Returning
Mon, Nov 2, 2026•10 Day Trip
$492 USD
Google Flights
Returning
Tue, Nov 3, 2026•11 Day Trip
$492 USD
Google Flights
Returning
Wed, Nov 4, 2026•12 Day Trip
$568 USD
Google Flights
Returning
Thu, Nov 5, 2026•13 Day Trip
$635 USD
Google Flights
Returning
Fri, Nov 6, 2026•14 Day Trip
$716 USD
Google Flights