Cheapest return flights from Salt Lake City to Denver in December from $56

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

Return flights

10 Dec - 14 Dec Frontier Airlines direct
23 Dec - 24 Dec Frontier Airlines direct
11 Dec - 16 Dec Frontier Airlines direct
13 Dec - 15 Dec Frontier Airlines direct
24 Dec - 26 Dec Frontier Airlines direct
22 Dec - 01 Jan Frontier Airlines direct
26 Dec - 31 Dec Frontier Airlines direct
19 Dec - 22 Dec Frontier Airlines direct
20 Dec - 01 Jan Frontier Airlines direct
12 Dec - 17 Dec Frontier Airlines direct
12 Dec - 14 Dec Frontier Airlines direct
13 Dec - 21 Dec Frontier Airlines direct

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

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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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