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 agoAugust 2026
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Fair Availability
24% of dates checked are available within 10% of the lowest price
Tuesday, August 11th, 2026
8 round-trip options
Returning
Sun, Aug 16, 2026•5 Day Trip
$1,798 USD
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Tue, Aug 18, 2026•7 Day Trip
$1,254 USD
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Wed, Aug 19, 2026•8 Day Trip
$1,254 USD
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Thu, Aug 20, 2026•9 Day Trip
$1,142 USD
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Fri, Aug 21, 2026•10 Day Trip
$1,043 USD
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Sat, Aug 22, 2026•11 Day Trip
$943 USD
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Sun, Aug 23, 2026•12 Day Trip
$1,256 USD
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Mon, Aug 24, 2026•13 Day Trip
$911 USD