AirHint found the following cheapest return flights from Monterrey (MTY) to Toronto (YYZ) in July 2025 (see full year).

Return flights

25 Jul - 29 Jul	Volaris
20 Jul - 12 Aug	Viva
21 Jul - 24 Jul	Viva
23 Jul - 26 Jul	Viva
15 Jul - 10 Aug	Volaris
20 Jul - 22 Jul	Viva
20 Jul - 05 Aug	Viva
18 Jul - 10 Aug	Viva
14 Jul - 10 Aug	Volaris
16 Jul - 10 Aug	Air Canada
17 Jul - 10 Aug	Volaris
29 Jul - 31 Jul	Delta
20 Jul - 22 Jul	Air Canada	direct
20 Jul - 12 Aug	Air Canada	direct
18 Jul - 20 Jul	Viva
14 Jul - 21 Jul	Viva
18 Jul - 25 Jul	United
18 Jul - 03 Aug	Viva
18 Jul - 27 Jul	United
20 Jul - 05 Aug	Air Canada	direct

Also check the deals for one-way flights from Monterrey to Toronto 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 Monterrey to Toronto in July from $428

Return flights