Cheapest return flights from Montreal to Chicago in August from $292

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

Return flights

01 Aug - 08 Aug Porter Airlines (Canada) Ltd direct
04 Aug - 11 Aug Porter Airlines (Canada) Ltd direct
05 Aug - 12 Aug Porter Airlines (Canada) Ltd direct
06 Aug - 13 Aug Porter Airlines (Canada) Ltd direct
07 Aug - 14 Aug Porter Airlines (Canada) Ltd direct
11 Aug - 18 Aug Porter Airlines (Canada) Ltd direct
12 Aug - 19 Aug Porter Airlines (Canada) Ltd direct
13 Aug - 20 Aug Porter Airlines (Canada) Ltd direct
15 Aug - 22 Aug Porter Airlines (Canada) Ltd direct
16 Aug - 23 Aug Porter Airlines (Canada) Ltd direct

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

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