Cheapest return flights from Montreal to Chicago in August from $304

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

Return flights

02 Aug - 04 Aug Porter Airlines (Canada) Ltd
02 Aug - 05 Aug Porter Airlines (Canada) Ltd
02 Aug - 06 Aug Porter Airlines (Canada) Ltd
02 Aug - 07 Aug Porter Airlines (Canada) Ltd
02 Aug - 09 Aug Porter Airlines (Canada) Ltd
02 Aug - 11 Aug Porter Airlines (Canada) Ltd
02 Aug - 12 Aug Porter Airlines (Canada) Ltd
02 Aug - 13 Aug Porter Airlines (Canada) Ltd
02 Aug - 14 Aug Porter Airlines (Canada) Ltd
02 Aug - 16 Aug Porter Airlines (Canada) Ltd

Also check the deals for one-way flights from Montreal to Chicago in August.

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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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