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

Return flights

30 Aug - 08 Sep	United
20 Aug - 04 Sep	United
30 Aug - 06 Sep	United
27 Aug - 10 Sep	WestJet
27 Aug - 03 Sep	WestJet
31 Aug - 14 Sep	Air Transat	direct
21 Aug - 07 Sep	Air Transat	direct
28 Aug - 07 Sep	Air Transat	direct
21 Aug - 28 Aug	Air Transat	direct
21 Aug - 31 Aug	Air Transat	direct
28 Aug - 31 Aug	Air Transat	direct
31 Aug - 07 Sep	Air Transat	direct
25 Aug - 04 Sep	Delta
23 Aug - 30 Aug	United
24 Aug - 31 Aug	WestJet
25 Aug - 28 Aug	WestJet
24 Aug - 31 Aug	Air Transat	direct
22 Aug - 28 Aug	Delta
17 Aug - 28 Aug	Air Transat	direct
17 Aug - 31 Aug	Air Transat	direct

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 251€

Return flights