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

Return flights

27 May - 03 Jun	Porter Airlines (Canada) Ltd
05 May - 26 May	United
04 May - 11 May	United
05 May - 12 May	United
02 May - 07 May	United
06 May - 13 May	United
07 May - 12 May	United
09 May - 16 May	United
02 May - 10 May	United
13 May - 03 Jun	United
03 May - 10 May	United
07 May - 14 May	United
30 May - 06 Jun	Air Canada
12 May - 02 Jun	United
28 May - 04 Jun	United
18 May - 09 Jun	United
27 May - 04 Jun	United
27 May - 05 Jun	United
26 May - 02 Jun	United
15 May - 01 Jun	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 $303

Return flights