Portland (PDX) to Liberia (LIR) cheap flight deal from $313 USD in economy class

UAUnited Airlines

Round Trip•Economy

PDX

Portland International Airport

Portland, United States

LIR

Daniel Oduber Quirós International Airport

Liberia, Costa Rica

$534 USD

-41%$313 USD

Verified about 20 hours ago

July 2025

Today

Mon

Tue

Wed

Thu

Fri

Sat

Sun

30 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17$444 18$441 19$441 20$440 21$427 22$423 23$423 24$363 25$363 26$363 27$343 28$343 29$343 30$343 31$333 1$333 2$333 3$325

Limited Availability

16% of dates checked are available within 10% of the lowest price

Monday, July 28th, 2025

10 round-trip options

Returning

Sat, Aug 2, 2025•5 Day Trip

$363 USD

Google Flights

Returning

Sun, Aug 3, 2025•6 Day Trip

$363 USD

Google Flights

Returning

Mon, Aug 4, 2025•7 Day Trip

$363 USD

Google Flights

Returning

Tue, Aug 5, 2025•8 Day Trip

$343 USD

Google Flights

Returning

Wed, Aug 6, 2025•9 Day Trip

$343 USD

Google Flights

Returning

Thu, Aug 7, 2025•10 Day Trip

$347 USD

Google Flights

Returning

Fri, Aug 8, 2025•11 Day Trip

$598 USD

Google Flights

Returning

Sat, Aug 9, 2025•12 Day Trip

$363 USD

Google Flights

Returning

Sun, Aug 10, 2025•13 Day Trip

$369 USD

Google Flights

Returning

Mon, Aug 11, 2025•14 Day Trip

$367 USD

Google Flights