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

Friday, October 9th, 2026

6 round-trip options

Returning
Fri, Oct 16, 2026•7 Day Trip
$763 USD
Google Flights
Returning
Sun, Oct 18, 2026•9 Day Trip
$763 USD
Google Flights
Returning
Tue, Oct 20, 2026•11 Day Trip
$845 USD
Google Flights
Returning
Wed, Oct 21, 2026•12 Day Trip
$769 USD
Google Flights
Returning
Thu, Oct 22, 2026•13 Day Trip
$691 USD
Google Flights
Returning
Fri, Oct 23, 2026•14 Day Trip
$691 USD
Google Flights