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

Return flights

03 Dec - 08 Dec	Alaska Airlines
13 Dec - 20 Dec	Alaska Airlines
09 Dec - 18 Dec	Alaska Airlines
04 Dec - 06 Dec	Alaska Airlines
05 Dec - 13 Dec	Alaska Airlines
13 Dec - 20 Dec	United	direct
14 Dec - 20 Dec	United
15 Dec - 20 Dec	United
16 Dec - 20 Dec	United
16 Dec - 23 Dec	United
29 Dec - 10 Jan	jetBlue
25 Dec - 06 Jan	Flair Airlines
27 Dec - 05 Jan	Frontier Airlines

Also check the deals for one-way flights from San Francisco 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.

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Cheapest return flights from San Francisco to Liberia in December from 295€

Return flights