Cheapest return flights from Chicago to Monterrey in October from $218

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

Return flights

01 Oct - 05 Oct Viva direct
04 Oct - 05 Oct Viva direct
01 Oct - 17 Oct Viva direct
04 Oct - 17 Oct Viva direct
04 Oct - 18 Oct Viva direct
01 Oct - 18 Oct Viva direct
01 Oct - 16 Oct Viva direct
04 Oct - 16 Oct Viva direct
06 Oct - 17 Oct Viva direct
06 Oct - 18 Oct Viva direct
25 Oct - 15 Nov Viva direct

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

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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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