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

Return flights

11 Jul - 18 Jul	Air Canada	direct
18 Jul - 25 Jul	Air Canada	direct
04 Jul - 11 Jul	Air Canada	direct
21 Jul - 28 Jul	Air Canada	direct
07 Jul - 14 Jul	Air Canada	direct
14 Jul - 21 Jul	Air Canada	direct
25 Jul - 01 Aug	Air Canada	direct
01 Jul - 08 Jul	Air Canada	direct
08 Jul - 15 Jul	Air Canada	direct
15 Jul - 22 Jul	Air Canada	direct
22 Jul - 29 Jul	Air Canada	direct
26 Jul - 02 Aug	Air Canada	direct
27 Jul - 03 Aug	Air Canada	direct

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

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

Return flights