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

Sunday, October 25th, 2026

7 round-trip options

Returning
Sat, Oct 31, 2026•6 Day Trip
$519 USD
Google Flights
Returning
Sun, Nov 1, 2026•7 Day Trip
$576 USD
Google Flights
Returning
Tue, Nov 3, 2026•9 Day Trip
$576 USD
Google Flights
Returning
Thu, Nov 5, 2026•11 Day Trip
$720 USD
Google Flights
Returning
Fri, Nov 6, 2026•12 Day Trip
$801 USD
Google Flights
Returning
Sat, Nov 7, 2026•13 Day Trip
$576 USD
Google Flights
Returning
Sun, Nov 8, 2026•14 Day Trip
$519 USD
Google Flights