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

Return flights

03 Dec - 28 Dec	Delta
15 Dec - 11 Jan	Norse Atlantic Airways
01 Dec - 28 Dec	Iberia
28 Dec - 04 Jan	Iberia
29 Dec - 18 Jan	ITA Airways
29 Dec - 25 Jan	ITA Airways
22 Dec - 18 Jan	ITA Airways
28 Dec - 11 Jan	ITA Airways

Also check the deals for one-way flights from Rome 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 Rome to Guadalajara in December from 981€

Return flights