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

Return flights

13 Jul - 19 Jul	Arajet
07 Jul - 14 Jul	WestJet
13 Jul - 20 Jul	WestJet
21 Jul - 28 Jul	WestJet
08 Jul - 15 Jul	WestJet
14 Jul - 21 Jul	WestJet
20 Jul - 27 Jul	WestJet
22 Jul - 29 Jul	WestJet
21 Jul - 04 Aug	WestJet
29 Jul - 05 Aug	WestJet
04 Jul - 11 Jul	WestJet
09 Jul - 16 Jul	WestJet
25 Jul - 01 Aug	WestJet
30 Jul - 06 Aug	WestJet
27 Jul - 03 Aug	WestJet
28 Jul - 04 Aug	WestJet
29 Jul - 05 Aug	Air Transat	direct
21 Jul - 07 Aug	United
21 Jul - 04 Aug	Air Transat	direct
31 Jul - 07 Aug	WestJet

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

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 July from 443€

Return flights