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

Return flights

04 Dec - 11 Dec	United
06 Dec - 11 Dec	United
05 Dec - 11 Dec	United
09 Dec - 11 Dec	United
09 Dec - 16 Dec	United
08 Dec - 15 Dec	United
11 Dec - 22 Dec	United
11 Dec - 18 Dec	United
15 Dec - 22 Dec	United
02 Dec - 11 Dec	United
31 Dec - 13 Jan	United
31 Dec - 14 Jan	WestJet
12 Dec - 15 Jan	WestJet
24 Dec - 08 Jan	WestJet
15 Dec - 07 Jan	Air Transat
31 Dec - 15 Jan	Air Transat
31 Dec - 18 Jan	United
31 Dec - 07 Jan	Air Transat
30 Dec - 10 Jan	Air Transat
29 Dec - 18 Jan	WestJet

Also check the deals for one-way flights from Montreal 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 Montreal to Liberia in December from $292

Return flights