AirHint found the following cheapest return flights from Salt Lake City (SLC) to Guadalajara (GDL) in December 2025 (see full year).

Return flights

09 Dec - 10 Dec	Frontier Airlines
04 Dec - 10 Dec	Frontier Airlines
06 Dec - 10 Dec	Frontier Airlines
07 Dec - 10 Dec	Frontier Airlines
08 Dec - 10 Dec	Frontier Airlines
05 Dec - 10 Dec	Frontier Airlines
27 Dec - 10 Jan	Aeromexico
10 Dec - 10 Dec	Hawaiian Airlines
11 Dec - 12 Jan	Aeromexico
14 Dec - 14 Dec	Frontier Airlines
15 Dec - 15 Dec	Frontier Airlines
12 Dec - 12 Dec	Frontier Airlines
13 Dec - 02 Jan	Frontier Airlines
12 Dec - 02 Jan	Frontier Airlines
17 Dec - 06 Jan	Aeromexico
07 Dec - 06 Jan	Aeromexico
11 Dec - 12 Jan	Aeromexico	direct
17 Dec - 06 Jan	Aeromexico	direct
12 Dec - 02 Jan	Aeromexico	direct
13 Dec - 02 Jan	Aeromexico	direct

Also check the deals for one-way flights from Salt Lake City 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 Salt Lake City to Guadalajara in December from $454

Return flights