AirHint found the following cheapest return flights from Salt Lake City (SLC) to Guadalajara (GDL) in January 2026 (see full year).

Return flights

31 Jan - 16 Feb	Frontier Airlines
21 Jan - 28 Jan	Frontier Airlines
20 Jan - 27 Jan	Frontier Airlines
17 Jan - 24 Jan	Frontier Airlines
31 Jan - 16 Feb	Delta	direct
27 Jan - 03 Feb	Delta	direct
26 Jan - 02 Feb	Delta	direct
25 Jan - 01 Feb	Delta	direct
21 Jan - 28 Jan	Delta	direct
17 Jan - 24 Jan	Delta	direct

Also check the deals for one-way flights from Salt Lake City to Guadalajara in January.

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.

Book a cheap hotel in Guadalajara

Cheap car rent in Guadalajara

Cheapest return flights from Salt Lake City to Guadalajara in January from 322€

Return flights