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

Return flights

08 Oct - 15 Oct	Volaris	direct
29 Oct - 04 Nov	Volaris	direct
06 Oct - 16 Oct	Volaris	direct
11 Oct - 17 Oct	Volaris	direct
10 Oct - 29 Oct	Viva
10 Oct - 15 Oct	Viva
10 Oct - 23 Oct	Viva
10 Oct - 24 Oct	Viva
10 Oct - 16 Oct	Viva
25 Oct - 13 Nov	Viva	direct
25 Oct - 12 Nov	Viva	direct
10 Oct - 11 Oct	Viva
07 Oct - 15 Oct	Viva
26 Oct - 13 Nov	Viva	direct
26 Oct - 12 Nov	Viva	direct
28 Oct - 13 Nov	Viva	direct
28 Oct - 12 Nov	Viva	direct
27 Oct - 13 Nov	Viva	direct
27 Oct - 12 Nov	Viva	direct
29 Oct - 13 Nov	Viva	direct

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

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 Chicago to Guadalajara in October from 197€

Return flights