Cheapest return flights from Denver to Salt Lake City in September from 49€

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

Return flights

15 Sep - 22 Sep Frontier Airlines direct
04 Sep - 04 Sep Frontier Airlines direct
18 Sep - 22 Sep Frontier Airlines direct
11 Sep - 13 Sep Frontier Airlines direct
06 Sep - 08 Sep Frontier Airlines direct
20 Sep - 04 Oct Frontier Airlines direct
11 Sep - 14 Sep Frontier Airlines direct
05 Sep - 12 Sep Frontier Airlines direct
20 Sep - 21 Sep Frontier Airlines direct
17 Sep - 21 Sep Frontier Airlines direct
01 Sep - 01 Sep Frontier Airlines direct

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

Skyscanner

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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