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

Return flights

24 May - 31 May	TAP
21 May - 28 May	Azores Airlines
31 May - 07 Jun	TAP
10 May - 17 May	FrenchBee
14 May - 21 May	Azores Airlines
04 May - 11 May	TAP
25 May - 01 Jun	Azores Airlines
03 May - 10 May	TAP
01 May - 08 May	TAP
26 May - 02 Jun	Air Transat
16 May - 23 May	Air Transat
18 May - 25 May	TAP
15 May - 22 May	TAP
29 May - 05 Jun	Air Transat
28 May - 04 Jun	Air Transat

Also check the deals for one-way flights from Montreal to Charleroi 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 Charleroi in May from $816

Return flights