AirHint found the following cheapest return flights from Montreal (YUL) to Cancun (CUN) in March 2026 (see full year).

Return flights

03 Mar - 10 Mar	United
17 Mar - 24 Mar	United
04 Mar - 11 Mar	United
10 Mar - 17 Mar	United
18 Mar - 25 Mar	United
25 Mar - 01 Apr	United
24 Mar - 31 Mar	United
23 Mar - 13 Apr	United
19 Mar - 26 Mar	Air Transat
12 Mar - 19 Mar	Air Transat
02 Mar - 06 Mar	United
09 Mar - 16 Mar	Arajet
30 Mar - 06 Apr	Arajet
18 Mar - 08 Apr	Air Transat	direct
26 Mar - 02 Apr	Air Transat
27 Mar - 11 Apr	Arajet
25 Mar - 01 Apr	Air Transat	direct
31 Mar - 07 Apr	Air Transat	direct
26 Mar - 02 Apr	Air Transat	direct
27 Mar - 11 Apr	Air Transat	direct

Also check the deals for one-way flights from Montreal to Cancun in March.

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 Cancun in March from $440

Return flights