Flight Info | Tucson to Denver

The distance between Tucson and Denver is approximately 1,029.71 km. It takes around 2 hours 7 minutes on average to fly from Tucson to Denver. Based on Trip.com's data, travel demand peaks in July.

Cheapest one-way
$121
American Airlines American Airlines TUS-DEN 7h 3m · 1 stop Sun, Oct 11
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Cheapest round-trip
$217
Delta Air Lines Delta Air Lines TUS-DEN 6h 50m · 2 stops Wed, Aug 26 - Wed, Sep 2
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When to travel
October
Cheapest
July
Peak season for travel
Route details
1,029.71 km
Flight distance
2h 7m
Average flight time

Book direct flights from Tucson to Denver: One way flights from $141, round trip flights from $258. Find flight deals for the next 3 months below.

Popular airlines from Tucson to Denver

You can choose from 1 airlines that fly from Tucson to Denver, including United Airlines, American Airlines has lowest fares on this route.
United Airlines logo United Airlines
Airlines are determined based on actual purchased flight tickets from Tucson to Denver according to previous 12 months data from Trip.com.

Frequently Asked Questions

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

    Based on Trip.com data, American Airlines offers one-way fares as low as $121 on Cheapest nonstop routes (e.g. TUS to DEN on Sun, Oct 11), while Delta Air Lines offers Cheapest nonstop round-trips from $217 departing on Wed, Aug 26 and returning on Wed, Sep 2.
  • At the moment, you can catch a nonstop flight from Tucson to Denver with the following airlines, including: United 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 7 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.
  • 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 Sun, Oct 11, with one-way flights priced at just $121.
    · 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 August flight calendar, it's currently cheapest to fly from Tucson to Denver on August 15, 2026 with Delta Air Lines, with prices starting at $126.
  • 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 0m.
  • 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.
  • Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from Tucson to Denver is $218. Fares vary by travel date, airline and availability.
  • Based on Trip.com data for travel in the next 30 days, the average round-trip fare from Tucson to Denver is $437. The final price depends on the outbound and return dates, airline and fare conditions.
  • Enter Tucson and Denver, choose your travel dates and passengers, then compare flights by price, duration and baggage. Select a fare, review the change and cancellation rules, enter traveler details and complete payment to receive your confirmation.

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

Book with no extra fees

Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, WLAN, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page were updated within last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
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.
Cancellation/change due to a flight schedule change:
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.