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

Return flights

30 Aug - 06 Sep	United
19 Aug - 26 Aug	United
17 Aug - 14 Sep	Air Transat	direct
31 Aug - 14 Sep	Air Transat	direct
07 Aug - 21 Aug	United
22 Aug - 29 Aug	United
08 Aug - 15 Aug	United
14 Aug - 21 Aug	United
23 Aug - 30 Aug	United
31 Aug - 07 Sep	Delta
20 Aug - 17 Sep	Delta
28 Aug - 07 Sep	Delta
28 Aug - 07 Sep	Air Transat	direct
31 Aug - 07 Sep	Air Transat	direct
26 Aug - 02 Sep	United
13 Aug - 20 Aug	United
12 Aug - 21 Aug	United
21 Aug - 28 Aug	Air Transat	direct
24 Aug - 31 Aug	Air Transat	direct
27 Aug - 07 Sep	Delta

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 325€

Return flights