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 agoAugust 2026
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Fair Availability
24% of dates checked are available within 10% of the lowest price
Wednesday, August 12th, 2026
8 round-trip options
Returning
Mon, Aug 17, 2026•5 Day Trip
$1,408 USD
Returning
Wed, Aug 19, 2026•7 Day Trip
$1,061 USD
Returning
Thu, Aug 20, 2026•8 Day Trip
$949 USD
Returning
Fri, Aug 21, 2026•9 Day Trip
$850 USD
Returning
Sat, Aug 22, 2026•10 Day Trip
$750 USD
Returning
Sun, Aug 23, 2026•11 Day Trip
$1,063 USD
Returning
Mon, Aug 24, 2026•12 Day Trip
$695 USD
Returning
Tue, Aug 25, 2026•13 Day Trip
$808 USD