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
$660 USD
-32%$446 USD
Verified 14 days agoAugust 2026
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Good Availability
43% of dates checked are available within 10% of the lowest price
Saturday, August 8th, 2026
6 round-trip options
Returning
Thu, Aug 13, 2026•5 Day Trip
$1,248 USD
Returning
Fri, Aug 14, 2026•6 Day Trip
$1,248 USD
Returning
Sat, Aug 15, 2026•7 Day Trip
$1,476 USD
Returning
Tue, Aug 18, 2026•10 Day Trip
$1,007 USD
Returning
Thu, Aug 20, 2026•12 Day Trip
$530 USD
Returning
Fri, Aug 21, 2026•13 Day Trip
$660 USD