Cheapest one-way flights from Tucson to Denver in December from $108

AirHint found the following cheapest one-way flights from Tucson (TUS) to Denver (DEN) in December 2025 (see full year).

One-Way flights

31 Dec United direct
30 Dec United direct
22 Dec United direct
23 Dec United direct
24 Dec United direct
25 Dec United direct
03 Dec United direct
04 Dec United direct
06 Dec United direct
05 Dec United direct

Also check the deals for return flights from Tucson 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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