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

Return flights

05 Sep - 08 Sep	Frontier Airlines
15 Sep - 22 Sep	Frontier Airlines
13 Sep - 04 Oct	Aeromexico
28 Sep - 12 Oct	Aeromexico
12 Sep - 13 Sep	Frontier Airlines
16 Sep - 23 Sep	Frontier Airlines
28 Sep - 12 Oct	Aeromexico	direct
15 Sep - 22 Sep	Aeromexico	direct
13 Sep - 04 Oct	Aeromexico	direct
05 Sep - 08 Sep	Aeromexico	direct
12 Sep - 13 Sep	Aeromexico	direct

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

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 September from $352

Return flights