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 13 days agoOctober 2026
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Fair Availability
24% of dates checked are available within 10% of the lowest price
Friday, October 16th, 2026
5 round-trip options
Returning
Wed, Oct 21, 2026•5 Day Trip
$662 USD
Returning
Sat, Oct 24, 2026•8 Day Trip
$635 USD
Returning
Mon, Oct 26, 2026•10 Day Trip
$525 USD
Returning
Tue, Oct 27, 2026•11 Day Trip
$508 USD
Returning
Thu, Oct 29, 2026•13 Day Trip
$499 USD