Cheapest one-way flights from Salt Lake City to Denver in September from $33

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

One-Way flights

30 Sep Frontier Airlines direct
23 Sep Frontier Airlines direct
29 Sep Frontier Airlines
27 Sep Frontier Airlines
29 Sep Frontier Airlines direct
28 Sep Frontier Airlines
22 Sep Frontier Airlines
20 Sep Frontier Airlines
21 Sep Frontier Airlines
24 Sep Frontier Airlines

Also check the deals for return flights from Salt Lake City to Denver 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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