Cheapest one-way flights from Chicago to Montreal in August from $131

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

One-Way flights

03 Aug Porter Airlines (Canada) Ltd
05 Aug Porter Airlines (Canada) Ltd
09 Aug Porter Airlines (Canada) Ltd
11 Aug Porter Airlines (Canada) Ltd
13 Aug Porter Airlines (Canada) Ltd
17 Aug Porter Airlines (Canada) Ltd
19 Aug Porter Airlines (Canada) Ltd
21 Aug Porter Airlines (Canada) Ltd
23 Aug Porter Airlines (Canada) Ltd
25 Aug Porter Airlines (Canada) Ltd

Also check the deals for return 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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