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

Return flights

28 Dec - 15 Jan	Delta
28 Dec - 12 Jan	Delta
28 Dec - 07 Jan	Delta
26 Dec - 10 Jan	Aeromexico
12 Dec - 22 Dec	Alaska Airlines
12 Dec - 28 Dec	Iberia
19 Dec - 26 Dec	Alaska Airlines
21 Dec - 03 Jan	Delta

Also check the deals for one-way flights from Guadalajara to Rome 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 Guadalajara to Rome in December from $915

Return flights