Cheapest return flights from Chicago to Toronto in October from 133€

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

Return flights

21 Oct - 23 Oct Air Canada
03 Oct - 05 Oct Air Canada

Also check the deals for one-way flights from Chicago to Toronto in October.

Skyscanner

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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