Cheapest one-way flights from Montreal to Chicago in September from 154€

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

One-Way flights

01 Sep Porter Airlines (Canada) Ltd
03 Sep Porter Airlines (Canada) Ltd
07 Sep Porter Airlines (Canada) Ltd
09 Sep Porter Airlines (Canada) Ltd
11 Sep Porter Airlines (Canada) Ltd
13 Sep Porter Airlines (Canada) Ltd
15 Sep Porter Airlines (Canada) Ltd
17 Sep Porter Airlines (Canada) Ltd
19 Sep Porter Airlines (Canada) Ltd
21 Sep Porter Airlines (Canada) Ltd

Also check the deals for return flights from Montreal to Chicago in September.

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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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