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Flights from Tucson to Denver

Search for direct flights from Tucson to Denver in the next 3 months. Based on Trip.com's latest 7-day flight data, one-way direct flights start at US$136, and round-trip direct flights start at US$111.

      • Cheapest nonstop
        TUS 15:41
        2h 3m
        Nonstop
        DEN 18:44
        Tucson - Denver | Sun, Apr 26 | Frontier Airlines
        DEN 13:40
        2h 6m
        Nonstop
        TUS 14:46
        Denver - Tucson | Tue, Apr 28 | Frontier Airlines
        US$111 US$281
        60% off
        60% off
        US$281 US$111
      • TUS 06:00
        1h 55m
        Nonstop
        DEN 08:55
        Tucson - Denver | Sun, Apr 26 | United Airlines
        DEN 13:40
        2h 6m
        Nonstop
        TUS 14:46
        Denver - Tucson | Tue, Apr 28 | Frontier Airlines
        US$201 US$281
        28% off
        28% off
        US$281 US$201
      • TUS 06:05
        5h 6m
        1 stop
        DEN 12:11
        Tucson - Denver | Thu, Apr 16 | Delta Air Lines
        DEN 15:35
        6h 56m
        1 stop
        TUS 21:31
        Denver - Tucson | Mon, Apr 20 | Delta Air Lines
        US$190 US$281
        32% off
        32% off
        US$281 US$190
      • TUS 11:51
        4h 57m
        1 stop
        DEN 17:48
        Tucson - Denver | Thu, Apr 16 | American Airlines
        DEN 05:30
        5h 54m
        1 stop
        TUS 10:24
        Denver - Tucson | Mon, Apr 20 | Delta Air Lines
        US$196
        30% off
        US$281 US$196
      • TUS 13:30
        21h 47m
        1 stop
        DEN 12:17
        Tucson - Denver | Thu, May 7 | Delta Air Lines
        DEN 05:40
        5h 44m
        1 stop
        TUS 10:24
        Denver - Tucson | Thu, May 14 | Delta Air Lines
        US$211
        25% off
        US$281 US$211
      • TUS 13:39
        1h 58m
        Nonstop
        DEN 16:37
        Tucson - Denver | Sat, May 16 | United Airlines
        DEN 05:40
        5h 44m
        1 stop
        TUS 10:24
        Denver - Tucson | Mon, May 18 | Delta Air Lines
        US$243
        14% off
        US$281 US$243
      • TUS 11:46
        5h 14m
        1 stop
        DEN 18:00
        Tucson - Denver | Mon, Apr 13 | Delta Air Lines
        DEN 06:30
        5h 36m
        1 stop
        TUS 11:06
        Denver - Tucson | Tue, Apr 14 | Delta Air Lines
        US$245
        13% off
        US$281 US$245
      • TUS 17:05
        3h 33m
        1 stop
        DEN 21:38
        Tucson - Denver | Sun, Apr 26 | American Airlines
        DEN 13:40
        2h 6m
        Nonstop
        TUS 14:46
        Denver - Tucson | Tue, Apr 28 | Frontier Airlines
        US$250
        11% off
        US$281 US$250
      • TUS 13:30
        9h 20m
        1 stop
        DEN 23:50
        Tucson - Denver | Fri, May 1 | Delta Air Lines
        DEN 06:55
        29h 56m
        1 stop
        TUS 11:51
        Denver - Tucson | Fri, May 8 | Delta Air Lines
        US$251
        11% off
        US$281 US$251
      • TUS 06:05
        5h 6m
        1 stop
        DEN 12:11
        Tucson - Denver | Tue, May 5 | Delta Air Lines
        DEN 18:35
        18h 16m
        1 stop
        TUS 11:51
        Denver - Tucson | Mon, May 11 | Delta Air Lines
        US$255
        9% off
        US$281 US$255
      • TUS 13:00
        17h 25m
        1 stop
        DEN Invalid Date
        Tucson - Denver | Tue, Apr 14 | Normal Airline
        DEN 15:00
        6h
        Nonstop
        TUS 16:00
        Denver - Tucson | Thu, Apr 16 | Normal Airline
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      • Cheapest nonstop
        TUS 16:15
        2h 11m
        Nonstop
        DEN 19:26
        Tucson - Denver | Tue, May 12 | United Airlines
        US$136 US$209
        35% off
        35% off
        US$209 US$136
      • TUS 16:15
        2h 11m
        Nonstop
        DEN 19:26
        Tucson - Denver | Sat, May 2 | United Airlines
        US$146 US$209
        30% off
        30% off
        US$209 US$146
      • TUS 16:15
        2h 11m
        Nonstop
        DEN 19:26
        Tucson - Denver | Thu, May 7 | United Airlines
        US$146 US$209
        30% off
        30% off
        US$209 US$146
      • TUS 16:15
        2h 11m
        Nonstop
        DEN 19:26
        Tucson - Denver | Mon, May 11 | United Airlines
        US$146
        30% off
        US$209 US$146
      • TUS 09:02
        23h 10m
        1 stop
        DEN 09:12
        Tucson - Denver | Mon, Apr 13 | Frontier Airlines
        US$134
        36% off
        US$209 US$134
      • TUS 16:44
        23h 51m
        1 stop
        DEN 17:35
        Tucson - Denver | Tue, May 12 | Delta Air Lines
        US$140
        33% off
        US$209 US$140
      • TUS 07:10
        6h 48m
        1 stop
        DEN 14:58
        Tucson - Denver | Mon, May 11 | Delta Air Lines
        US$153
        27% off
        US$209 US$153
      • TUS 07:10
        6h 35m
        1 stop
        DEN 14:45
        Tucson - Denver | Sat, May 2 | Delta Air Lines
        US$153
        27% off
        US$209 US$153
      • TUS 16:44
        6h
        1 stop
        DEN 23:44
        Tucson - Denver | Thu, May 7 | Delta Air Lines
        US$153
        27% off
        US$209 US$153
      • TUS 15:06
        5h 32m
        1 stop
        DEN 21:38
        Tucson - Denver | Thu, May 7 | American Airlines
        US$190
        9% off
        US$209 US$190
      • TUS 13:00
        17h 25m
        1 stop
        DEN Invalid Date
        Tucson - Denver | Tue, Apr 14 | Normal Airline
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Displayed flight fares from Tucson to Denver are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Tucson to Denver Flight Details

The distance between Tucson and Denver is about 1,029.71 km. The average flying time from Tucson to Denver is around 2 hours 7 minutes. Based on Trip.com's latest data, travel demand is highest in July. The off-season for travel is October.

Cheapest one-way flight priceUS$134
Cheapest return ticket priceUS$111
Cheapest monthOctober
Peak season for travelJuly
Flight distance1,029.71 km
Average flight time2 hours 7 minutes
Flight statistics for the Tucson–Denver route are based on aggregated booking data from Trip.com over the past 12 months.

Frequently Asked Questions

  • What are the cheapest flights from Tucson to Denver (TUS-DEN)?

    Based on Trip.com data, Frontier Airlines offers one-way fares as low as US$134 on Cheapest nonstop routes (e.g. TUS to DEN on Mon, Apr 13), while Frontier Airlines offers Cheapest nonstop round-trips from US$111 departing on Sun, Apr 26 and returning on Tue, Apr 28.
  • It takes about 2 hours 7 minutes to fly from Tucson to Denver.
  • 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.
  • To find best deals on flights from Tucson to Denver, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Mon, Apr 13, with one-way flights priced at just US$134.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is United Airlines.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Denver travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Tucson to Denver is October, when demand for travel is lower.
  • After crunching the numbers on our April flight calendar, it's currently cheapest to fly from Tucson to Denver on April 24, 2026 with Frontier Airlines, with prices starting at US$111.
  • 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: Rocky Mountain Metropolitan Airport (BJC) Denver International Airport (DEN).
  • 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.

Trip.com Airline Insights on Flights from Tucson to Denver

Which airline offers the cheapest direct flights from Tucson to Denver?

Data is based on the average price of all nonstop flights from Tucson to Denver on Trip.com over the past 12 months.

Based on Trip.com’s data from the past 12 months, Frontier Airlines provides the lowest-priced direct flights from Tucson to Denver, with fares starting at US$134.

US$73
US$134
US$196
US$257
US$318
Frontier Airlines
US$134
Frontier Airlines
United Airlines
US$318
United Airlines

Which airline operates the most flights from Tucson to Denver?

Total flights from Tucson to Denver across all airlines. (Based on Trip.com data from the past month)

Based on Trip.com’s data from the past month, Air Canada/United Airlines operates the most frequent flights from Tucson to Denver, with 38 flights per week.

0
3
21
38
Air Canada
38
Air Canada
United Airlines
38
United Airlines
Lufthansa
9
Lufthansa
Copa Airlines
8
Copa Airlines
Frontier Airlines
3
Frontier Airlines

How many flights fly from Tucson to Denver daily?

The data is based on the flight numbers for each day of the week from Tucson to Denver within the Trip.com database over the past month.

Based on the past month's historical data from Trip.com, the number of flights from Tucson to Denver is the highest on Friday and the lowest on Tuesday/Wednesday.

77
66
55
44
Highest
61
Mon
55
Tue
55
Wed
57
Thu
77
Fri
70
Sat
62
Sun

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Note: Prices shown on this page are the estimated lowest prices found in the last 24 hours and include all taxes and fees.

Book with no extra fees

Prices displayed on this page are all-inclusive (incl. taxes, fuel surcharges, Civil Aviation Development Fund, etc.), and all fees are clearly shown before you pay. Charges for checked baggage, onboard meals, Wi‑Fi, and other optional services are also included where applicable in the flight cards.

Real-time pricing updates

Prices, availability, and travel details on this page have been updated within the last 24 hours, and for many routes are refreshed in real time. The more popular the route, the more accurate and up-to-date the data.

Change & Cancellation Policy

Trip.com shows the change and cancellation rules for each ticket during the booking process, including all related fees and conditions. Please refer to the following scenarios:
Voluntary cancellation/change:
To request a change or cancellation, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and flight segment, and submit your request. Please note that additional charges may apply based on the airline’s fare rules.
Cancellation/change due to a flight schedule change:
If your flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For full details of change and cancellation policies, please refer to the customer support pages.