Liberia (LIR) to Portland (PDX) cheap flight deal from $963 USD in business class – flightdeals.net

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United Airlines

UAUnited Airlines

Round Trip•Business Class

Daniel Oduber Quirós International Airport

Liberia, Costa Rica

Portland International Airport

Portland, United States

$1,973 USD

-51%$963 USD

Verified Sep 20, 2025 at 3:17 AM

September 2025

Mon

Tue

Wed

Thu

Fri

Sat

Sun

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20$3,223 21$1,096 22$1,212 23$1,244 24$1,387 25$1,479 26$1,336 27$1,279 28$2,296 29$1,870 30$974 1$1,384 2$1,249 3$1,249 4$1,248 5$3,358

Extremely Rare Availability

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

Tuesday, September 23rd, 2025

4 round-trip options

Returning

Sun, Sep 28, 2025•5 Day Trip

$1,479 USD

Returning

Mon, Sep 29, 2025•6 Day Trip

$1,316 USD

Returning

Tue, Sep 30, 2025•7 Day Trip

$2,326 USD

Returning

Mon, Oct 6, 2025•13 Day Trip

$1,244 USD