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

Return flights

24 Aug - 31 Aug	Air Transat	direct
21 Aug - 28 Aug	Air Transat	direct
31 Aug - 07 Sep	Air Transat	direct
24 Aug - 07 Sep	Air Transat	direct
21 Aug - 13 Sep	WestJet
16 Aug - 18 Aug	United
15 Aug - 22 Aug	United
19 Aug - 26 Aug	United
26 Aug - 02 Sep	United
27 Aug - 03 Sep	United
29 Aug - 05 Sep	United
08 Aug - 21 Aug	United
18 Aug - 25 Aug	United
13 Aug - 20 Aug	United
28 Aug - 04 Sep	United
20 Aug - 27 Aug	WestJet
08 Aug - 15 Aug	United
25 Aug - 01 Sep	United

Also check the deals for one-way flights from Montreal to Liberia in August.

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 August from $414

Return flights