Cheapest return flights from Montreal to Chicago in October from 263€

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

Return flights

01 Oct - 02 Oct Porter Airlines (Canada) Ltd
01 Oct - 04 Oct Porter Airlines (Canada) Ltd
01 Oct - 06 Oct Porter Airlines (Canada) Ltd
01 Oct - 08 Oct Porter Airlines (Canada) Ltd
01 Oct - 10 Oct Porter Airlines (Canada) Ltd
01 Oct - 03 Oct Porter Airlines (Canada) Ltd
01 Oct - 05 Oct Porter Airlines (Canada) Ltd
01 Oct - 07 Oct Porter Airlines (Canada) Ltd
03 Oct - 04 Oct Porter Airlines (Canada) Ltd
03 Oct - 06 Oct Porter Airlines (Canada) Ltd

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

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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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