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

Return flights

31 May - 07 Jun	Air Transat	direct
31 May - 14 Jun	Air Transat	direct
03 May - 10 May	United
04 May - 11 May	United
05 May - 12 May	United
06 May - 13 May	United
09 May - 16 May	United
05 May - 13 May	United
31 May - 10 Jun	Porter Airlines (Canada) Ltd
30 May - 07 Jun	WestJet
16 May - 23 May	United
06 May - 23 May	United
04 May - 08 May	United
24 May - 26 May	United
29 May - 05 Jun	WestJet
30 May - 06 Jun	WestJet
20 May - 10 Jun	WestJet
06 May - 03 Jun	WestJet
20 May - 17 Jun	WestJet
27 May - 07 Jun	WestJet

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 250€

Return flights