Cheapest return flights from Chicago to Montreal in December from 151€

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

Return flights

02 Dec - 03 Dec Porter Airlines (Canada) Ltd
02 Dec - 04 Dec Porter Airlines (Canada) Ltd
02 Dec - 05 Dec Porter Airlines (Canada) Ltd
02 Dec - 06 Dec Porter Airlines (Canada) Ltd
02 Dec - 07 Dec Porter Airlines (Canada) Ltd
02 Dec - 08 Dec Porter Airlines (Canada) Ltd
02 Dec - 09 Dec Porter Airlines (Canada) Ltd
02 Dec - 10 Dec Porter Airlines (Canada) Ltd
02 Dec - 11 Dec Porter Airlines (Canada) Ltd
02 Dec - 12 Dec Porter Airlines (Canada) Ltd
11 Dec - 01 Jan Porter Airlines (Canada) Ltd
12 Dec - 01 Jan Porter Airlines (Canada) Ltd
12 Dec - 02 Jan Porter Airlines (Canada) Ltd
16 Dec - 06 Jan Porter Airlines (Canada) Ltd
17 Dec - 06 Jan Porter Airlines (Canada) Ltd
17 Dec - 07 Jan Porter Airlines (Canada) Ltd
18 Dec - 06 Jan Porter Airlines (Canada) Ltd
18 Dec - 07 Jan Porter Airlines (Canada) Ltd
18 Dec - 08 Jan Porter Airlines (Canada) Ltd
19 Dec - 06 Jan Porter Airlines (Canada) Ltd

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

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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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