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

Return flights

01 Jul - 08 Jul	WestJet
06 Jul - 13 Jul	WestJet
08 Jul - 15 Jul	WestJet
14 Jul - 21 Jul	WestJet
20 Jul - 27 Jul	WestJet
13 Jul - 20 Jul	WestJet
21 Jul - 28 Jul	WestJet
28 Jul - 04 Aug	WestJet
27 Jul - 03 Aug	WestJet
29 Jul - 05 Aug	WestJet
21 Jul - 01 Aug	WestJet
04 Jul - 10 Jul	WestJet
02 Jul - 09 Jul	WestJet
04 Jul - 11 Jul	WestJet
30 Jul - 22 Aug	WestJet
30 Jul - 06 Aug	WestJet
25 Jul - 01 Aug	WestJet
29 Jul - 05 Aug	Air Transat	direct
28 Jul - 04 Aug	Air Transat	direct
30 Jul - 06 Aug	Air Transat	direct

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.

Book a cheap hotel in Cancun

Cheap car rent in Cancun

Cheapest return flights from Montreal to Cancun in July from $506

Return flights