Cheapest return flights from Montreal to Chicago in August from 126€

AirHint found the following cheapest return flights from Montreal (YUL) to Chicago (MDW) in August 2025 (see full year).

Return flights

15 Aug - 22 Aug Porter Airlines (Canada) Ltd
19 Aug - 26 Aug Porter Airlines (Canada) Ltd
13 Aug - 20 Aug Porter Airlines (Canada) Ltd
15 Aug - 18 Aug Porter Airlines (Canada) Ltd
14 Aug - 17 Aug Porter Airlines (Canada) Ltd
01 Aug - 08 Aug Porter Airlines (Canada) Ltd
06 Aug - 13 Aug Porter Airlines (Canada) Ltd
12 Aug - 19 Aug Porter Airlines (Canada) Ltd
18 Aug - 25 Aug Porter Airlines (Canada) Ltd
05 Aug - 12 Aug Porter Airlines (Canada) Ltd
19 Aug - 05 Sep Porter Airlines (Canada) Ltd
20 Aug - 10 Sep Porter Airlines (Canada) Ltd
20 Aug - 05 Sep Porter Airlines (Canada) Ltd
24 Aug - 10 Sep Porter Airlines (Canada) Ltd
24 Aug - 12 Sep Porter Airlines (Canada) Ltd
24 Aug - 05 Sep Porter Airlines (Canada) Ltd
26 Aug - 10 Sep Porter Airlines (Canada) Ltd
26 Aug - 12 Sep Porter Airlines (Canada) Ltd
26 Aug - 05 Sep Porter Airlines (Canada) Ltd
17 Aug - 05 Sep Porter Airlines (Canada) Ltd

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

Skyscanner

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.

Book a cheap hotel in Chicago

Cheap car rent in Chicago

Feel free to contact us with any feedback or request another flight research.