$88 Cheap Flights from Denver (DEN) to Tucson (TUS)

View $88 flight on Thu, Aug 28, 2025Opens in a new window

Popular airlines from Denver Intl. Airport (DEN) to Tucson International Airport (TUS)

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • one key icon

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from Denver to Tucson (DEN-TUS)

Prices were available within the past 7 days and start at $88 for one-way flights and $107 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Thu, Nov 6 - Thu, Nov 13
DEN
Denver
TUS
Tucson
$107 Roundtrip, found 3 days ago
$107
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Thu, Nov 6 from Denver to Tucson, returning Thu, Nov 13, priced at $107 found 3 days ago
Frontier Airlines
Fri, Sep 19 - Thu, Oct 2
DEN
Denver
TUS
Tucson
$127 Roundtrip, found 5 days ago
$127
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Fri, Sep 19 from Denver to Tucson, returning Thu, Oct 2, priced at $127 found 5 days ago
Frontier Airlines
Sun, Oct 12 - Sun, Oct 26
DEN
Denver
TUS
Tucson
$128 Roundtrip, found 5 days ago
$128
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Sun, Oct 12 from Denver to Tucson, returning Sun, Oct 26, priced at $128 found 5 days ago
Frontier Airlines
Sun, Oct 26 - Sun, Nov 2
DEN
Denver
TUS
Tucson
$136 Roundtrip, found 3 days ago
$136
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Sun, Oct 26 from Denver to Tucson, returning Sun, Nov 2, priced at $136 found 3 days ago
Frontier Airlines
Thu, Aug 14 - Sun, Aug 17
DEN
Denver
TUS
Tucson
$140 Roundtrip, just found
$140
Roundtrip
just found
Select Frontier Airlines flight, departing Thu, Aug 14 from Denver to Tucson, returning Sun, Aug 17, priced at $140 just found
Frontier Airlines
Sun, Sep 28 - Thu, Oct 2
DEN
Denver
TUS
Tucson
$148 Roundtrip, found 1 day ago
$148
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Sun, Sep 28 from Denver to Tucson, returning Thu, Oct 2, priced at $148 found 1 day ago
Frontier Airlines
Thu, Aug 7 - Mon, Aug 18
DEN
Denver
TUS
Tucson
$154 Roundtrip, found 5 days ago
$154
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Thu, Aug 7 from Denver to Tucson, returning Mon, Aug 18, priced at $154 found 5 days ago
Southwest Airlines
Wed, Sep 24 - Thu, Sep 25
DEN
Denver
TUS
Tucson
$163 Roundtrip, found 3 days ago
$163
Roundtrip
found 3 days ago
Select Southwest Airlines flight, departing Wed, Sep 24 from Denver to Tucson, returning Thu, Sep 25, priced at $163 found 3 days ago
United
Wed, Aug 27 - Mon, Sep 1
DEN
Denver
TUS
Tucson
$213 Roundtrip, found 5 days ago
$213
Roundtrip
found 5 days ago
Select United flight, departing Wed, Aug 27 from Denver to Tucson, returning Mon, Sep 1, priced at $213 found 5 days ago
Alaska Airlines
Wed, Nov 5 - Sat, Nov 8
DEN
Denver
TUS
Tucson
$348 Roundtrip, found 2 days ago
$348
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Wed, Nov 5 from Denver to Tucson, returning Sat, Nov 8, priced at $348 found 2 days ago

Find the cheapest month to fly from Denver (DEN) to Tucson (TUS)

April is typically the cheapest month to fly

From $78 - $357 per traveler.

Graph displaying average flight prices per month

Alternative airports near Tucson

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Tucson Intl. TUS. Cheapest and Closest option available. Average driving time to city center is 14 minutes. Flights from $140
TUS
Tucson Intl.
CheapestClosest
Average driving time to city center14 min
Flights from $140
Flights from Denver (DEN) to Tucson (TUS)
Origin airport
Denver Intl.
Destination airport
Tucson Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines, Southwest Airlines, United
Roundtrip price
$101
Distance
638 mi
Average flight time
1 hour 1 min

Denver to Tucson Flights

The cheapest times to fly from Denver to Tucson

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Denver to Tucson are during the month of November. You can find some of the cheapest flights from Denver to Tucson with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Denver to Tucson

Sunday is one of the best days to book for cheap flights from Denver to Tucson: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Denver to Tucson

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Denver to Tucson in 2025. You can also book with separate airlines for your outbound and return journeys, from $88 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Denver to Tucson flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Denver to Tucson airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Denver Intl. Airport (DEN) to Tucson Intl. Airport (TUS) cost?
You can land cheap return flights from Denver Intl. Airport (DEN) to Tucson Intl. Airport (TUS) starting at $118. Book a seat and set off on your next adventure. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Frontier Airlines flight leaving DEN on August 17 2025 and touching down at TUS. The price was last updated on July 23 2025 and has not changed since.
What is the cheapest month to fly from DEN to TUS?
The cheapest flights from DEN to TUS are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Denver Intl. Airport (DEN) to Tucson Intl. Airport (TUS)?
When heading out of Denver Intl. Airport (DEN), you can jump on a direct flight to Tucson Intl. Airport (TUS) with United Airlines.
What is the cheapest airline that flies from DEN to TUS?
At the moment, the cheapest airline operating one-way flights from DEN to TUS is Frontier Airlines. You can book a seat on this route from $71. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from DEN on September 14 2025. Prices were last updated on July 23 2025 and have not changed since.
How many flights per day from Denver Intl. Airport (DEN) to Tucson Intl. Airport (TUS)?
Each day on average, 8 nonstop flights operate from Denver Intl. Airport (DEN) to Tucson Intl. Airport (TUS). Select the departure time that best suits your travel plans.
What are the most popular departure times for flights from Denver Intl. Airport (DEN) to Tucson Intl. Airport (TUS)?
More travelers fly between DEN and TUS at 7 PM than at any other time. Rather skip the crowds? Travel outside of rush hours and you could save on your ticket as well.
What day of the week has the most flights from DEN to TUS?
Depart on a Sunday if you're after the biggest selection of flights from Denver Intl. Airport (DEN) to Tucson Intl. Airport (TUS).
What is the earliest flight from Denver Intl. Airport (DEN) to Tucson Intl. Airport (TUS)?
The first flight of the day leaving from Denver Intl. Airport (DEN) is at around 7:45AM UTC-7. Catch this flight and you'll reach Tucson Intl. Airport (TUS) at approximately 9:59AM UTC-7. The entire trip takes 2h 14m.
How long does it take to fly from Denver Intl. Airport (DEN) to Tucson Intl. Airport (TUS)?
Flights from DEN to TUS have an average travel time of 2 hours and 10 minutes. The distance between the two is 640 mi.
What is the best time to fly from Denver Intl. Airport (DEN) to Tucson Intl. Airport (TUS)?
To avoid possible delays on the Denver Intl. Airport (DEN) to Tucson Intl. Airport (TUS) route, fly before 3 PM. Departures after this time are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Tucson from Denver Intl. Airport (DEN)?
Tucson Intl. Airport (TUS) is the only airport in Tucson with direct flights from Denver Intl. Airport (DEN). Check out the available options and discover cheap fares on Expedia.
Is it cheaper to buy a plane ticket from Denver Intl. Airport (DEN) to Tucson Intl. Airport (TUS) last-minute?
Booking your plane ticket from DEN to TUS shortly before your trip is usually more expensive. But if there's some wiggle room with your departure dates and times, you could snag a cheap last-minute fare.
Is it cheaper to book a DEN to TUS flight and hotel package?
You'll generally save money by securing a DEN to TUS flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one convenient place. After choosing your ideal flights and accommodations, you can add extras like activities, car rentals and tours.
Can I cancel or change the date of my flight from Denver Intl. Airport (DEN) to Tucson Intl. Airport (TUS)?
In most instances, you can cancel or modify your DEN to TUS flight. However, there may be additional fees, especially if your booking was made more than 24 hours ago. Check your itinerary for the airline's policies and fees on flight changes, or if you need further details, go to our Customer Service portal.

Explore a world of travel with Expedia

*Available to One Key members.