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

Return flights

14 Oct - 28 Oct	Spirit Airlines
09 Oct - 12 Oct	Frontier Airlines
16 Oct - 19 Oct	Frontier Airlines
10 Oct - 13 Oct	Frontier Airlines
17 Oct - 19 Oct	Spirit Airlines
17 Oct - 20 Oct	Spirit Airlines
14 Oct - 28 Oct	Delta	direct
10 Oct - 13 Oct	Delta	direct
17 Oct - 20 Oct	Delta	direct
17 Oct - 19 Oct	Delta	direct

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

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 October from 264€

Return flights