Cheapest one-way flights from Chicago to Toronto in September from 46€

AirHint found the following cheapest one-way flights from Chicago (ORD) to Toronto (YYZ) in September 2025 (see full year).

One-Way flights

02 Sep United direct
19 Sep Air Canada direct
08 Sep Air Canada direct
28 Sep Air Canada direct
23 Sep Air Canada direct
18 Sep Air Canada direct
04 Sep Air Canada direct
10 Sep Air Canada direct
07 Sep Delta
27 Sep Spirit Airlines

Also check the deals for return flights from Chicago to Toronto in September.

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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