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
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Good Availability
43% of dates checked are available within 10% of the lowest price
Thursday, August 13th, 2026
6 round-trip options
Returning
Tue, Aug 18, 2026•5 Day Trip
$842 USD
Returning
Wed, Aug 19, 2026•6 Day Trip
$967 USD
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Thu, Aug 20, 2026•7 Day Trip
$519 USD
Returning
Sun, Aug 23, 2026•10 Day Trip
$827 USD
Returning
Tue, Aug 25, 2026•12 Day Trip
$748 USD
Returning
Wed, Aug 26, 2026•13 Day Trip
$805 USD