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

Return flights

01 Dec - 10 Dec	United
06 Dec - 11 Dec	United
02 Dec - 11 Dec	United
05 Dec - 12 Dec	United
05 Dec - 11 Dec	United
06 Dec - 16 Dec	United
02 Dec - 16 Dec	United
02 Dec - 23 Dec	United
05 Dec - 16 Dec	United
02 Dec - 09 Dec	United
31 Dec - 26 Jan	United
15 Dec - 14 Jan	United
31 Dec - 14 Jan	United
31 Dec - 24 Jan	United
30 Dec - 26 Jan	United
24 Dec - 14 Jan	WestJet
23 Dec - 13 Jan	Porter Airlines (Canada) Ltd
31 Dec - 07 Jan	United
29 Dec - 12 Jan	WestJet
31 Dec - 09 Jan	United

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 243€

Return flights