Cheapest return flights from Montreal to Cancun in October from $337

Best time to book flights for Montreal (YUL) to Cancun (CUN) flights at AirHint

AirHint found the following cheapest return flights from Montreal (YUL) to Cancun (CUN) in October 2025 (see full year).

Return flights

03 Oct - 10 Oct Arajet
06 Oct - 13 Oct Arajet
13 Oct - 20 Oct Arajet
17 Oct - 24 Oct Arajet
10 Oct - 17 Oct Arajet
21 Oct - 28 Oct United
28 Oct - 04 Nov United
14 Oct - 21 Oct United
22 Oct - 29 Oct United
29 Oct - 05 Nov United
18 Oct - 25 Oct United
01 Oct - 17 Oct Air Transat
26 Oct - 02 Nov Air Transat direct
27 Oct - 03 Nov Air Transat direct
29 Oct - 05 Nov Air Transat direct
28 Oct - 04 Nov Air Transat direct
30 Oct - 06 Nov Air Transat direct
31 Oct - 07 Nov Air Transat direct
25 Oct - 01 Nov Air Transat direct

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

Skyscanner

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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