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 1 day ago
Limited Availability
13% of dates checked are available within 10% of the lowest price

Thursday, October 15th, 2026

7 round-trip options

Returning
Wed, Oct 21, 2026•6 Day Trip
$641 USD
Google Flights
Returning
Thu, Oct 22, 2026•7 Day Trip
$562 USD
Google Flights
Returning
Sat, Oct 24, 2026•9 Day Trip
$492 USD
Google Flights
Returning
Mon, Oct 26, 2026•11 Day Trip
$562 USD
Google Flights
Returning
Tue, Oct 27, 2026•12 Day Trip
$562 USD
Google Flights
Returning
Wed, Oct 28, 2026•13 Day Trip
$519 USD
Google Flights
Returning
Thu, Oct 29, 2026•14 Day Trip
$635 USD
Google Flights