AirHint found the following cheapest return flights from Chicago (ORD) to Toronto (YTZ) in July 2025 (see full year).

Return flights

08 Jul - 10 Jul	Air Canada
08 Jul - 11 Jul	Air Canada
20 Jul - 24 Jul	Air Canada
10 Jul - 13 Jul	Air Canada
22 Jul - 24 Jul	Air Canada
22 Jul - 25 Jul	Air Canada
18 Jul - 20 Jul	Air Canada
23 Jul - 25 Jul	Air Canada
25 Jul - 03 Aug	Spirit Airlines
10 Jul - 14 Jul	Air Canada
22 Jul - 27 Jul	Air Canada
31 Jul - 03 Aug	Spirit Airlines

Also check the deals for one-way flights from Chicago 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 Chicago to Toronto in July from 248€

Return flights