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

Return flights

14 May - 21 May	SWISS
07 May - 14 May	SWISS
05 May - 12 May	Etihad Airways
19 May - 26 May	Etihad Airways
26 May - 02 Jun	Etihad Airways
28 May - 04 Jun	Etihad Airways
04 May - 11 May	Qatar Airways
13 May - 20 May	Qatar Airways
12 May - 19 May	Qatar Airways
20 May - 27 May	Qatar Airways
25 May - 01 Jun	Qatar Airways
21 May - 28 May	Air Canada
10 May - 17 May	Air Canada
31 May - 07 Jun	Air Canada
29 May - 05 Jun	Air Canada
30 May - 06 Jun	Etihad Airways
30 May - 23 Jun	Emirates

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 1101€

Return flights