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

Return flights

31 Mar - 08 Apr	United
17 Mar - 24 Mar	United
11 Mar - 18 Mar	United
10 Mar - 10 Mar	WestJet
03 Mar - 10 Mar	WestJet
04 Mar - 11 Mar	WestJet
04 Mar - 10 Mar	WestJet
10 Mar - 07 Apr	WestJet
18 Mar - 25 Mar	Air Canada	direct
19 Mar - 26 Mar	Air Canada	direct
24 Mar - 31 Mar	Air Canada	direct
25 Mar - 01 Apr	Air Canada	direct
26 Mar - 02 Apr	Air Canada	direct
10 Mar - 17 Mar	WestJet
27 Mar - 03 Apr	WestJet
28 Mar - 04 Apr	WestJet
29 Mar - 05 Apr	WestJet
19 Mar - 05 Apr	WestJet
29 Mar - 04 Apr	WestJet
02 Mar - 30 Apr	United

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 $328

Return flights