Cheapest return flights from Chicago to Montreal in August from $329

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

Return flights

03 Aug - 04 Aug Porter Airlines (Canada) Ltd
03 Aug - 06 Aug Porter Airlines (Canada) Ltd
03 Aug - 10 Aug Porter Airlines (Canada) Ltd
03 Aug - 12 Aug Porter Airlines (Canada) Ltd
03 Aug - 14 Aug Porter Airlines (Canada) Ltd
03 Aug - 16 Aug Porter Airlines (Canada) Ltd
03 Aug - 18 Aug Porter Airlines (Canada) Ltd
03 Aug - 20 Aug Porter Airlines (Canada) Ltd
03 Aug - 05 Aug Porter Airlines (Canada) Ltd
03 Aug - 07 Aug Porter Airlines (Canada) Ltd
13 Aug - 01 Sep Porter Airlines (Canada) Ltd
13 Aug - 02 Sep Porter Airlines (Canada) Ltd
17 Aug - 01 Sep Porter Airlines (Canada) Ltd
17 Aug - 03 Sep Porter Airlines (Canada) Ltd
17 Aug - 02 Sep Porter Airlines (Canada) Ltd
17 Aug - 04 Sep Porter Airlines (Canada) Ltd
17 Aug - 06 Sep Porter Airlines (Canada) Ltd
19 Aug - 01 Sep Porter Airlines (Canada) Ltd
19 Aug - 03 Sep Porter Airlines (Canada) Ltd
19 Aug - 07 Sep Porter Airlines (Canada) Ltd

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