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

Return flights

08 Dec - 13 Dec	Viva
31 Dec - 15 Jan	Viva
08 Dec - 25 Dec	Viva
07 Dec - 13 Dec	Viva
08 Dec - 18 Dec	Viva
31 Dec - 18 Jan	Viva
07 Dec - 25 Dec	Viva
02 Dec - 13 Dec	Viva	direct
02 Dec - 06 Dec	Viva	direct
07 Dec - 18 Dec	Viva
08 Dec - 09 Dec	Viva
08 Dec - 15 Dec	Viva
31 Dec - 20 Jan	Viva
31 Dec - 16 Jan	Viva
28 Dec - 15 Jan	Viva
28 Dec - 18 Jan	Viva
30 Dec - 15 Jan	Viva
30 Dec - 18 Jan	Viva
29 Dec - 15 Jan	Viva
28 Dec - 16 Jan	Viva

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

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 December from 253€

Return flights