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Flights from Tucson to Denver

Find cheap airlines flights from Tucson to Denver

Choose from 2 carriers that fly from Tucson to Denver, including Frontier Airlines, United Airlines, Enjoy the cheapest tickets on this route with Frontier Airlines.
Frontier Airlines logo Frontier Airlines United Airlines logo United Airlines

Book direct flights from Tucson to Denver: One way flights from $80, round trip flights from $62. Find flight deals for the next 3 months below.

      • Cheapest nonstop
        TUS 12:30 PM
        2h
        Nonstop
        DEN 2:30 PM
        Tucson - Denver | Sun, Dec 7 | Frontier Airlines
        DEN 9:42 AM
        2h 3m
        Nonstop
        TUS 11:45 AM
        Denver - Tucson | Sun, Dec 14 | Frontier Airlines
        $62 $151
        59% OFF
        59% OFF
        $151 $62
      • TUS 12:48 PM
        2h
        Nonstop
        DEN 2:48 PM
        Tucson - Denver | Mon, Nov 24 | Frontier Airlines
        DEN 9:44 AM
        2h 4m
        Nonstop
        TUS 11:48 AM
        Denver - Tucson | Fri, Nov 28 | Frontier Airlines
        $81 $151
        47% OFF
        47% OFF
        $151 $81
      • TUS 12:33 PM
        2h
        Nonstop
        DEN 2:33 PM
        Tucson - Denver | Fri, Nov 21 | Frontier Airlines
        DEN 9:44 AM
        2h 4m
        Nonstop
        TUS 11:48 AM
        Denver - Tucson | Mon, Nov 24 | Frontier Airlines
        $83 $151
        45% OFF
        45% OFF
        $151 $83
      • TUS 12:30 PM
        2h
        Nonstop
        DEN 2:30 PM
        Tucson - Denver | Fri, Dec 5 | Frontier Airlines
        DEN 9:42 AM
        2h 3m
        Nonstop
        TUS 11:45 AM
        Denver - Tucson | Sun, Dec 7 | Frontier Airlines
        $122
        19% OFF
        $151 $122
      • TUS 12:50 PM
        2h
        Nonstop
        DEN 2:50 PM
        Tucson - Denver | Mon, Dec 22 | Frontier Airlines
        DEN 9:52 AM
        2h 3m
        Nonstop
        TUS 11:55 AM
        Denver - Tucson | Tue, Dec 30 | Frontier Airlines
        $123
        19% OFF
        $151 $123
      • TUS 12:30 PM
        2h
        Nonstop
        DEN 2:30 PM
        Tucson - Denver | Fri, Dec 12 | Frontier Airlines
        DEN 9:42 AM
        2h 3m
        Nonstop
        TUS 11:45 AM
        Denver - Tucson | Sun, Dec 14 | Frontier Airlines
        $124
        18% OFF
        $151 $124
      • TUS 7:00 AM
        1h 55m
        Nonstop
        DEN 8:55 AM
        Tucson - Denver | Wed, Dec 3 | United Airlines
        DEN 9:42 AM
        2h 3m
        Nonstop
        TUS 11:45 AM
        Denver - Tucson | Sun, Dec 7 | Frontier Airlines
        $129
        15% OFF
        $151 $129
      • TUS 12:48 PM
        4h 51m
        1 stop
        DEN 5:39 PM
        Tucson - Denver | Wed, Dec 3 | American Airlines
        DEN 9:42 AM
        2h 3m
        Nonstop
        TUS 11:45 AM
        Denver - Tucson | Sun, Dec 7 | Frontier Airlines
        $113
        25% OFF
        $151 $113
      • TUS 7:36 PM
        8h 22m
        1 stop
        DEN 3:58 AM
        Tucson - Denver | Mon, Dec 15 | Frontier Airlines
        DEN 9:52 AM
        2h 3m
        Nonstop
        TUS 11:55 AM
        Denver - Tucson | Mon, Dec 22 | Frontier Airlines
        $117
        23% OFF
        $151 $117
      • TUS 6:30 AM
        5h 1m
        1 stop
        DEN 11:31 AM
        Tucson - Denver | Sun, Dec 7 | American Airlines
        DEN 9:42 AM
        2h 3m
        Nonstop
        TUS 11:45 AM
        Denver - Tucson | Sun, Dec 14 | Frontier Airlines
        $126
        16% OFF
        $151 $126
      • TUS 1:00 PM
        17h 25m
        1 stop
        DEN Invalid Date
        Tucson - Denver | Tue, Nov 18 | Normal Airline
        DEN 3:00 PM
        6h
        Nonstop
        TUS 4:00 PM
        Denver - Tucson | Thu, Nov 20 | Normal Airline
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Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Flight Info | Tucson to Denver

The distance between Tucson and Denver is about 1,029.71 km. It takes around 2 hours 4 minutes on average to fly from Tucson to Denver. The most popular month to Denver is July. The off-season for travel is October.

Cheapest one-way flight price$80
Cheapest round-trip ticket price$62
Off-season for travelOctober
Peak season for travelJuly
Flight distance1,029.71 km
Average flight time2 hours 4 minutes
Popular airlineFrontier Airlines

When is the cheapest time to fly from Tucson to Denver?

The cheapest time for Tucson to Denver flights: Dec 21 to Dec 28 — one way flight prices from $79.

Cheapest flights
From price
Search
  • 1623
  • 2330

  • Dec

    307
  • 714
  • 1421
  • 2128

  • Jan

    284
  • 411
  • 1118
  • 1825

  • Feb

    251
  • 18
Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

  • Which airlines offer direct flights from Tucson to Denver?

    At the moment, you can catch a nonstop flight from Tucson to Denver with the following airlines, including: United Airlines Frontier Airlines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • It takes around 2 hours 4 minutes to fly from Tucson (TUS) to Denver (DEN).
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Tucson to Denver is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • Based on Trip.com data in the past 4 weeks, there is 33 flight per week flying from Tucson to Denver. You can check the weekly schedule for popular airlines on this route below: United Airlines: S/M/T/W/T/F/S -- UA5820 (08:16) United Airlines: S/M/T/W/T/F/S -- UA2368 (07:03)
  • The cheapest months to fly from Tucson to Denver is October, when demand for travel is lower.
  • After crunching the numbers on our November flight calendar, it's currently cheapest to fly from Tucson to Denver on November 24, 2025 with Frontier Airlines, with prices starting at $80.
  • You can land at any one of the following hubs in Denver, with Tucson International Airport to Denver International Airport (TUS-DEN) is by far the most common option on this route: Denver International Airport (DEN) Rocky Mountain Metropolitan Airport (BJC).
  • The time difference between Denver and Tucson is 0h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

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