Cheapest return flights from Tucson to Denver in January from 93€

AirHint found the following cheapest return flights from Tucson (TUS) to Denver (DEN) in January 2026 (see full year).

Return flights

29 Jan - 01 Feb Frontier Airlines
12 Jan - 19 Jan Frontier Airlines
09 Jan - 16 Jan Frontier Airlines
08 Jan - 15 Jan Frontier Airlines
11 Jan - 18 Jan Frontier Airlines
17 Jan - 24 Jan Delta
14 Jan - 21 Jan American Airlines
19 Jan - 26 Jan Frontier Airlines
29 Jan - 01 Feb Southwest Airlines direct
17 Jan - 24 Jan Southwest Airlines direct
18 Jan - 26 Jan Southwest Airlines direct
08 Jan - 15 Jan Southwest Airlines direct

Also check the deals for one-way flights from Tucson to Denver in January.

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