AirHint found the following cheapest return flights from Chicago (ORD) to Toronto (YYZ) in June 2026 (see full year).

Return flights

03 Jun - 08 Jun	United	direct
01 Jun - 08 Jun	United	direct
11 Jun - 14 Jun	Air Canada	direct
11 Jun - 13 Jun	Air Canada	direct
15 Jun - 19 Jun	WestJet
09 Jun - 19 Jun	WestJet
14 Jun - 21 Jun	WestJet
13 Jun - 21 Jun	WestJet
27 Jun - 04 Jul	WestJet
15 Jun - 19 Jun	United	direct
12 Jun - 21 Jun	WestJet
25 Jun - 07 Jul	WestJet
29 Jun - 10 Jul	WestJet
27 Jun - 04 Jul	United	direct
25 Jun - 07 Jul	United	direct
29 Jun - 10 Jul	Porter Airlines (Canada) Ltd	direct

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

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 June from $258

Return flights