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

Return flights

04 May - 11 May	British Airways
05 May - 12 May	British Airways
18 May - 25 May	British Airways
03 May - 10 May	British Airways
17 May - 24 May	British Airways
06 May - 13 May	Emirates
07 May - 14 May	Emirates
10 May - 17 May	Emirates
11 May - 18 May	Emirates
12 May - 19 May	Emirates
26 May - 02 Jun	Emirates
28 May - 04 Jun	Emirates
25 May - 01 Jun	Emirates
27 May - 03 Jun	Emirates
29 May - 05 Jun	Emirates
31 May - 07 Jun	Air Canada
30 May - 06 Jun	Air Canada

Also check the deals for one-way flights from Montreal to Colombo 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 Colombo in May from $1127

Return flights