Cheapest one-way flights from Chicago to Montreal in September from 109€

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

One-Way flights

01 Sep Porter Airlines (Canada) Ltd
02 Sep Porter Airlines (Canada) Ltd
03 Sep Porter Airlines (Canada) Ltd
04 Sep Porter Airlines (Canada) Ltd
06 Sep Porter Airlines (Canada) Ltd
07 Sep Porter Airlines (Canada) Ltd
08 Sep Porter Airlines (Canada) Ltd
09 Sep Porter Airlines (Canada) Ltd
10 Sep Porter Airlines (Canada) Ltd
11 Sep Porter Airlines (Canada) Ltd

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

Powered by

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 Montreal

Cheap car rent in Montreal

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