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

Return flights

08 Dec - 11 Dec	Porter Airlines (Canada) Ltd
09 Dec - 11 Dec	Air Transat
04 Dec - 11 Dec	United
03 Dec - 10 Dec	United
06 Dec - 11 Dec	United
09 Dec - 16 Dec	Porter Airlines (Canada) Ltd
07 Dec - 11 Dec	WestJet
01 Dec - 11 Dec	WestJet
05 Dec - 11 Dec	WestJet
09 Dec - 23 Dec	Porter Airlines (Canada) Ltd
17 Dec - 09 Jan	WestJet
30 Dec - 13 Jan	WestJet
28 Dec - 14 Jan	WestJet
31 Dec - 07 Jan	WestJet
10 Dec - 06 Jan	WestJet
30 Dec - 07 Jan	WestJet
25 Dec - 08 Jan	Porter Airlines (Canada) Ltd
29 Dec - 08 Jan	WestJet
24 Dec - 07 Jan	WestJet
25 Dec - 10 Jan	Porter Airlines (Canada) Ltd

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 261€

Return flights