Cheapest return flights from Montreal to Chicago in August from $295

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

Return flights

16 Aug - 21 Aug Delta
03 Aug - 08 Aug Delta
28 Aug - 30 Aug Delta
02 Aug - 08 Aug Porter Airlines (Canada) Ltd
02 Aug - 03 Aug Porter Airlines (Canada) Ltd
02 Aug - 04 Aug Porter Airlines (Canada) Ltd
02 Aug - 05 Aug Porter Airlines (Canada) Ltd
02 Aug - 06 Aug Porter Airlines (Canada) Ltd
02 Aug - 07 Aug Porter Airlines (Canada) Ltd
02 Aug - 09 Aug Porter Airlines (Canada) Ltd
28 Aug - 04 Sep WestJet
30 Aug - 06 Sep WestJet
25 Aug - 01 Sep WestJet
31 Aug - 07 Sep WestJet

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

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