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

Return flights

18 May - 30 May	British Airways
18 May - 25 May	British Airways
07 May - 14 May	SWISS
14 May - 21 May	SWISS
06 May - 13 May	Air Canada
20 May - 27 May	Air Canada
06 May - 27 May	Emirates
03 May - 10 May	Emirates
04 May - 11 May	Emirates
05 May - 12 May	Emirates
25 May - 01 Jun	Emirates
26 May - 02 Jun	Emirates
27 May - 03 Jun	Emirates
28 May - 04 Jun	Air Canada
29 May - 05 Jun	Emirates
30 May - 06 Jun	Air Canada
31 May - 07 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 965€

Return flights