AirHint found the following cheapest return flights from Montreal (YUL) to Liberia (LIR) in May 2026 (see full year).

Return flights

06 May - 13 May	United
27 May - 03 Jun	United
04 May - 11 May	United
24 May - 31 May	United
26 May - 02 Jun	United
01 May - 31 May	United
02 May - 09 May	United
09 May - 16 May	United
10 May - 17 May	United
18 May - 25 May	United
15 May - 20 May	Delta
23 May - 30 May	United

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

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 May from $487

Return flights