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

Return flights

10 Jul - 17 Jul	Arajet
03 Jul - 10 Jul	Arajet
31 Jul - 07 Aug	Arajet
17 Jul - 24 Jul	Arajet
24 Jul - 31 Jul	Arajet
01 Jul - 08 Jul	Copa
06 Jul - 13 Jul	Copa
08 Jul - 15 Jul	Copa
15 Jul - 29 Jul	WestJet
05 Jul - 12 Jul	Copa
01 Jul - 20 Jul	Delta
27 Jul - 03 Aug	Copa
28 Jul - 04 Aug	Copa
29 Jul - 05 Aug	Copa
30 Jul - 06 Aug	Copa
26 Jul - 02 Aug	Copa
22 Jul - 15 Aug	Delta
25 Jul - 01 Aug	United
25 Jul - 01 Aug	Aeromexico	direct
26 Jul - 02 Aug	Aeromexico	direct

Also check the deals for one-way flights from Montreal to Mexico City 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 Mexico City in July from $650

Return flights