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
Sunday, August 30th, 2026
6 round-trip options
Returning
Fri, Sep 4, 2026•5 Day Trip
$451 USD
Returning
Sat, Sep 5, 2026•6 Day Trip
$465 USD
Returning
Sun, Sep 6, 2026•7 Day Trip
$470 USD
Returning
Wed, Sep 9, 2026•10 Day Trip
$456 USD
Returning
Fri, Sep 11, 2026•12 Day Trip
$451 USD
Returning
Sat, Sep 12, 2026•13 Day Trip
$471 USD