Portland (PDX) to Liberia (LIR) cheap flight deal from $933 USD in business class

UAUnited Airlines

Round Trip•Business Class

PDX

Portland International Airport

Portland, United States

LIR

Daniel Oduber Quirós International Airport

Liberia, Costa Rica

$2,003 USD

-53%$933 USD

Verified Sep 21, 2025 at 4:28 PM

September 2025

Today

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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21$1,479 22$3,093 23$1,051 24$1,483 25$1,047 26$1,047 27$3,011 28$1,302 29$947 30$2,143 1$2,576 2$2,168 3$1,479 4$1,400 5$997

Extremely Rare Availability

2% of dates checked are available within 10% of the lowest price

Monday, September 22nd, 2025

9 round-trip options

Returning

Sat, Sep 27, 2025•5 Day Trip

$3,628 USD

Google Flights

Returning

Sun, Sep 28, 2025•6 Day Trip

$4,318 USD

Google Flights

Returning

Mon, Sep 29, 2025•7 Day Trip

$5,864 USD

Google Flights

Returning

Tue, Sep 30, 2025•8 Day Trip

$3,167 USD

Google Flights

Returning

Wed, Oct 1, 2025•9 Day Trip

$4,289 USD

Google Flights

Returning

Thu, Oct 2, 2025•10 Day Trip

$3,167 USD

Google Flights

Returning

Fri, Oct 3, 2025•11 Day Trip

$3,093 USD

Google Flights

Returning

Sat, Oct 4, 2025•12 Day Trip

$3,360 USD

Google Flights

Returning

Mon, Oct 6, 2025•14 Day Trip

$3,729 USD

Google Flights