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

Return flights

30 Sep - 04 Oct	Viva
04 Sep - 01 Oct	Viva
27 Sep - 06 Oct	Viva
04 Sep - 07 Sep	Viva
04 Sep - 06 Sep	Viva
29 Sep - 04 Oct	Viva
15 Sep - 19 Sep	Viva
30 Sep - 01 Oct	Viva
30 Sep - 02 Oct	Viva
30 Sep - 07 Oct	Viva
16 Sep - 25 Sep	Viva
16 Sep - 04 Oct	Viva
16 Sep - 19 Sep	Viva
05 Sep - 13 Sep	Viva
29 Sep - 01 Oct	Viva
29 Sep - 02 Oct	Viva
16 Sep - 29 Sep	Viva
05 Sep - 09 Sep	Viva
29 Sep - 30 Sep	Viva
16 Sep - 30 Sep	Viva

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

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 Toluca to Chicago in September from $216

Return flights