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

Return flights

28 May - 11 Jun	Air Transat
28 May - 04 Jun	Air Transat
31 May - 13 Jun	Air Transat
14 May - 21 May	Air Transat
21 May - 28 May	Air Transat
17 May - 24 May	Air Transat
18 May - 25 May	TAP
25 May - 01 Jun	Air Transat
27 May - 07 Jun	Air Transat
10 May - 17 May	Air Transat
07 May - 14 May	Air Transat
03 May - 10 May	Air Transat
22 May - 29 May	Air Transat
15 May - 22 May	Air Transat
01 May - 08 May	Air Transat
11 May - 08 Jun	TAP
28 May - 07 Jun	Porter Airlines (Canada) Ltd
26 May - 02 Jun	Air Transat
29 May - 05 Jun	Air Transat
30 May - 06 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.

Book a cheap hotel in Charleroi

Cheap car rent in Charleroi

Cheapest return flights from Montreal to Charleroi in May from $676

Return flights