Liberia (LIR) to Portland (PDX) flight deal in economy from $439

American AirlinesAAAmerican Airlines
Round Trip•Economy
Costa RicaLIR

Daniel Oduber Quirós International Airport

Liberia, Costa Rica
United StatesPDX

Portland International Airport

Portland, United States
$881 USD
-50%$439 USD
Verified 15 days ago
Limited Availability
13% of dates checked are available within 10% of the lowest price

Monday, August 10th, 2026

7 round-trip options

Returning
Sat, Aug 15, 2026•5 Day Trip
$637 USD
Google Flights
Returning
Sun, Aug 16, 2026•6 Day Trip
$637 USD
Google Flights
Returning
Mon, Aug 17, 2026•7 Day Trip
$637 USD
Google Flights
Returning
Tue, Aug 18, 2026•8 Day Trip
$3,181 USD
Google Flights
Returning
Wed, Aug 19, 2026•9 Day Trip
$3,066 USD
Google Flights
Returning
Thu, Aug 20, 2026•10 Day Trip
$3,118 USD
Google Flights
Returning
Mon, Aug 24, 2026•14 Day Trip
$3,040 USD
Google Flights