Portland (PDX) to Liberia (LIR) flight deal in economy from $446
PDXPortland International Airport
Portland, United States
LIRDaniel Oduber Quirós International Airport
Liberia, Costa Rica
$760 USD
-41%$446 USD
Verified 14 days agoDecember 2026
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Fair Availability
24% of dates checked are available within 10% of the lowest price
Thursday, December 10th, 2026
8 round-trip options
Returning
Tue, Dec 15, 2026•5 Day Trip
$718 USD
Returning
Wed, Dec 16, 2026•6 Day Trip
$718 USD
Returning
Thu, Dec 17, 2026•7 Day Trip
$520 USD
Returning
Fri, Dec 18, 2026•8 Day Trip
$569 USD
Returning
Sat, Dec 19, 2026•9 Day Trip
$604 USD
Returning
Sun, Dec 20, 2026•10 Day Trip
$609 USD
Returning
Wed, Dec 23, 2026•13 Day Trip
$532 USD
Returning
Thu, Dec 24, 2026•14 Day Trip
$520 USD