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

Return flights

02 Jun - 09 Jun	Avianca
05 Jun - 12 Jun	Avianca
02 Jun - 09 Jun	Air Canada	direct
03 Jun - 10 Jun	United	direct
04 Jun - 11 Jun	United	direct
05 Jun - 12 Jun	United	direct
09 Jun - 16 Jun	Air Canada	direct
10 Jun - 17 Jun	United	direct
11 Jun - 18 Jun	United	direct
12 Jun - 19 Jun	United	direct
24 Jun - 01 Jul	WestJet
29 Jun - 06 Jul	WestJet
27 Jun - 04 Jul	Air Canada	direct
25 Jun - 02 Jul	WestJet
28 Jun - 05 Jul	WestJet
30 Jun - 07 Jul	WestJet
26 Jun - 03 Jul	WestJet
30 Jun - 07 Jul	Air Canada	direct
24 Jun - 01 Jul	United	direct
25 Jun - 02 Jul	United	direct

Also check the deals for one-way flights from Montreal to Chicago 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 Montreal to Chicago in June from $313

Return flights