Cheapest return flights from Chicago to Monterrey in September from $225

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

14 Sep - 16 Sep Viva Aerobus direct
14 Sep - 15 Sep Viva Aerobus direct
14 Sep - 22 Sep Viva Aerobus direct
14 Sep - 17 Sep Viva Aerobus direct
10 Sep - 16 Sep Viva Aerobus direct
10 Sep - 15 Sep Viva Aerobus direct
10 Sep - 22 Sep Viva Aerobus direct
10 Sep - 17 Sep Viva Aerobus direct
21 Sep - 22 Sep Viva Aerobus direct
14 Sep - 26 Sep Viva Aerobus direct
26 Sep - 06 Oct Viva Aerobus direct
21 Sep - 06 Oct Viva Aerobus direct
17 Sep - 06 Oct Viva Aerobus direct
26 Sep - 08 Oct Viva Aerobus
21 Sep - 08 Oct Viva Aerobus
26 Sep - 09 Oct Viva Aerobus
21 Sep - 09 Oct Viva Aerobus
26 Sep - 17 Oct Viva Aerobus
26 Sep - 10 Oct Viva Aerobus
21 Sep - 10 Oct Viva Aerobus

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

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.

Book a cheap hotel in Monterrey

Cheap car rent in Monterrey