Liberia (LIR) to Portland (PDX) flight deal from $334 USD in economy class – flightdeals.net

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United Airlines

UAUnited Airlines

Round Trip•Economy

Daniel Oduber Quirós International Airport

Liberia, Costa Rica

Portland International Airport

Portland, United States

$645 USD

-48%$334 USD

Verified Nov 2, 2025 at 12:56 AM

November 2025

Mon

Tue

Wed

Thu

Fri

Sat

Sun

27 28 29 30 31 1 2$489 3$489 4$480 5$480 6$448 7$433 8$416 9$401 10$401 11$380 12$380 13$380 14$465 15$779 16$872 17$779 18$488 19$397 20$397 21$418 22$363 23$363 24$348 25$334 26$589 27$959 28$1,393 29$1,460 30$1,318

Limited Availability

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

Tuesday, November 4th, 2025

3 round-trip options

Returning

Sun, Nov 9, 2025•5 Day Trip

$480 USD

Returning

Mon, Nov 10, 2025•6 Day Trip

$480 USD

Returning

Tue, Nov 11, 2025•7 Day Trip

$480 USD