Cheapest return flights from Chicago to Toronto in October from 149€

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

Return flights

09 Oct - 09 Oct United direct
15 Oct - 25 Oct United direct
05 Oct - 12 Oct United direct
10 Oct - 17 Oct Air Canada direct
30 Oct - 07 Nov United direct
02 Oct - 04 Oct Air Canada direct
18 Oct - 19 Oct United direct
23 Oct - 27 Oct Air Canada direct
02 Oct - 08 Oct Air Canada direct
13 Oct - 18 Oct United direct

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.

Book a cheap hotel in Toronto

Cheap car rent in Toronto

Feel free to contact us with any feedback or request another flight research.