Cheapest return flights from Montreal to Chicago in August from 279€

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

Return flights

29 Aug - 06 Sep Air Canada direct
28 Aug - 04 Sep United
28 Aug - 07 Sep United direct
29 Aug - 05 Sep United direct
30 Aug - 06 Sep Air Canada direct
31 Aug - 07 Sep United direct
30 Aug - 04 Sep Porter Airlines (Canada) Ltd
30 Aug - 31 Aug Air Canada direct
29 Aug - 31 Aug United direct
31 Aug - 31 Aug United direct
31 Aug - 31 Aug Delta
31 Aug - 03 Sep United direct
29 Aug - 02 Sep United direct
29 Aug - 03 Sep United direct
24 Aug - 31 Aug Air Canada direct
27 Aug - 30 Aug Air Canada direct
23 Aug - 30 Aug Air Canada direct
22 Aug - 29 Aug Delta
22 Aug - 25 Aug Air Canada direct
23 Aug - 24 Aug Air Canada direct

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

Skyscanner

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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