Cheapest return flights from Chicago to Monterrey in September from $197

Best time to book flights for Chicago (ORD) to Monterrey (MTY) flights at AirHint

AirHint found the following cheapest return flights from Chicago (ORD) to Monterrey (MTY) in September 2025 (see full year).

Return flights

20 Sep - 28 Sep Viva Aerobus direct
20 Sep - 06 Oct Viva Aerobus direct
20 Sep - 03 Oct Viva Aerobus direct
21 Sep - 28 Sep Viva Aerobus direct
21 Sep - 06 Oct Viva Aerobus direct
21 Sep - 03 Oct Viva Aerobus direct
30 Sep - 17 Oct Viva Aerobus direct
30 Sep - 06 Oct Viva Aerobus direct
30 Sep - 03 Oct Viva Aerobus direct
15 Sep - 20 Sep Viva Aerobus direct
15 Sep - 16 Sep Viva Aerobus direct
15 Sep - 18 Sep Viva Aerobus direct
15 Sep - 28 Sep Viva Aerobus direct
15 Sep - 03 Oct Viva Aerobus direct
20 Sep - 10 Oct Viva Aerobus
21 Sep - 10 Oct Viva Aerobus
20 Sep - 20 Sep Viva Aerobus
15 Sep - 15 Sep Viva Aerobus

Also check the deals for one-way flights from Chicago to Monterrey in September.

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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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