Flights from Tucson, AZ to Denver, CO

Promo Code

Best Deals on Flights From Tucson, AZ (TUS) to Denver, CO (DEN)

Try alternate month or interact with individual days below in order to find offers.
Jun 2026
No results for this month.
Jul 2026
No results for this month.
Aug 2026
No results for this month.
Displaying fares for June-2026
  • 01

    Mon

    JUN

  • 02

    Tue

  • 03

    Wed

  • 04

    Thu

  • 05

    Fri

  • 06

    Sat

  • 07

    Sun

  • 08

    Mon

  • 09

    Tue

  • 10

    Wed

  • 11

    Thu

  • 12

    Fri

  • 13

    Sat

  • 14

    Sun

  • 15

    Mon

  • 16

    Tue

  • 17

    Wed

  • 18

    Thu

  • 19

    Fri

  • 20

    Sat

  • 21

    Sun

  • 22

    Mon

  • 23

    Tue

  • 24

    Wed

  • 25

    Thu

  • 26

    Fri

  • 27

    Sat

  • 28

    Sun

  • 29

    Mon

  • 30

    Tue

    • *Prices found by others in the previous 48 hours for round-trip flights. Prices shown may also require membership in our travel club, Discount Den.

    Flights Deals from Tucson, AZ to Denver, CO on Frontier

    $
    Flights Deals from Tucson, AZ to Denver, CO on Frontier
    From
    To
    Tucson, AZ (TUS)Denver, CO (DEN)One-way
    /
    Discount Den Basic Fare    		Departing Oct 8, 2026

    From

    $108

    Last seen: 18 hours ago

    *Prices found by others in the previous 48 hours for one-way flights. Prices shown may also require membership in our travel club, Discount Den®.

    Tucson, AZ Denver, CO

    Explore Frontier's Top-Pick Destinations

    Barclays Badge

    Earn 50,000 Miles after qualifying activity. Plus $0 Intro Annual Fee, then $99.
    Terms Apply.