Boston (BOS) to Liberia (LIR) flight deal from $140 USD in economy class – flightdeals.net

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United Airlines

UAUnited Airlines

One Way•Economy

Logan International Airport

Boston, United States

Daniel Oduber Quirós International Airport

Liberia, Costa Rica

$205 USD

-32%$140 USD

Verified Nov 22, 2025 at 6:25 PM

December 2025

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1$176 2$176 3$176 4$176 5$176 6$147 7$147 8$147 9$147 10$147 11$147 12$147 13$152 14$147 15$147 16$147 17$295 18$326 19$552 20$552 21$523 22$387 23$390 24$409 25$409 26$864 27$718 28$389 29$211 30$162 31$147 1 2 3 4

Good Availability

52% of dates checked are available within 10% of the lowest price

Saturday, December 27th, 2025

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