AirHint found the following cheapest return flights from Boston (BOS) to Liberia (LIR) in December 2025 (see full year).

Return flights

10 Dec - 15 Dec	United
09 Dec - 14 Dec	United
10 Dec - 14 Dec	United
31 Dec - 10 Jan	United
30 Dec - 09 Jan	United
31 Dec - 09 Jan	United
30 Dec - 06 Jan	United
17 Dec - 25 Jan	United
29 Dec - 05 Jan	United
27 Dec - 06 Jan	United
28 Dec - 04 Jan	Porter Airlines (Canada) Ltd
26 Dec - 05 Jan	United
27 Dec - 03 Jan	Porter Airlines (Canada) Ltd

Also check the deals for one-way flights from Boston to Liberia in December.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

Book a cheap hotel in Liberia

Cheap car rent in Liberia

Cheapest return flights from Boston to Liberia in December from 345€

Return flights