$74 Cheap Flights from Denver (DEN) to Tucson (TUS)

View $74 flight on Thu, Sep 18, 2025Opens in a new window

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

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Today's featured flight deals from Denver Intl. Airport (DEN) to Tucson International Airport (TUS)

Nonstop
Carry-on included
Lower price than typical

Cheap Flights from Denver to Tucson (DEN-TUS)

Prices were available within the past 7 days and start at $74 for one-way flights and $105 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Fri, Sep 5 - Sun, Sep 7
DEN
Denver
TUS
Tucson
$105 Roundtrip, found 5 hours ago
$105
Roundtrip
found 5 hours ago
Select Frontier Airlines flight, departing Fri, Sep 5 from Denver to Tucson, returning Sun, Sep 7, priced at $105 found 5 hours ago
Frontier Airlines
Thu, Sep 11 - Sun, Sep 14
DEN
Denver
TUS
Tucson
$109 Roundtrip, found 2 hours ago
$109
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Thu, Sep 11 from Denver to Tucson, returning Sun, Sep 14, priced at $109 found 2 hours ago
Frontier Airlines
Thu, Sep 25 - Sun, Sep 28
DEN
Denver
TUS
Tucson
$113 Roundtrip, found 3 hours ago
$113
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Thu, Sep 25 from Denver to Tucson, returning Sun, Sep 28, priced at $113 found 3 hours ago
Frontier Airlines
Thu, Sep 18 - Sun, Sep 21
DEN
Denver
TUS
Tucson
$117 Roundtrip, found 2 hours ago
$117
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Thu, Sep 18 from Denver to Tucson, returning Sun, Sep 21, priced at $117 found 2 hours ago
Frontier Airlines
Fri, Sep 19 - Sun, Sep 21
DEN
Denver
TUS
Tucson
$121 Roundtrip, found 10 hours ago
$121
Roundtrip
found 10 hours ago
Select Frontier Airlines flight, departing Fri, Sep 19 from Denver to Tucson, returning Sun, Sep 21, priced at $121 found 10 hours ago
Frontier Airlines
Thu, Sep 4 - Fri, Oct 3
DEN
Denver
TUS
Tucson
$122 Roundtrip, found 2 days ago
$122
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Thu, Sep 4 from Denver to Tucson, returning Fri, Oct 3, priced at $122 found 2 days ago
United
Sat, Sep 13 - Tue, Sep 16
DEN
Denver
TUS
Tucson
$123 Roundtrip, found 6 days ago
$123
Roundtrip
found 6 days ago
Select United flight, departing Sat, Sep 13 from Denver to Tucson, returning Tue, Sep 16, priced at $123 found 6 days ago
Southwest Airlines
Sat, Sep 13 - Tue, Sep 16
DEN
Denver
TUS
Tucson
$123 Roundtrip, found 6 days ago
$123
Roundtrip
found 6 days ago
Select Southwest Airlines flight, departing Sat, Sep 13 from Denver to Tucson, returning Tue, Sep 16, priced at $123 found 6 days ago
American Airlines
Sat, Sep 13 - Tue, Sep 16
DEN
Denver
TUS
Tucson
$143 Roundtrip, found 6 days ago
$143
Roundtrip
found 6 days ago
Select American Airlines flight, departing Sat, Sep 13 from Denver to Tucson, returning Tue, Sep 16, priced at $143 found 6 days ago
Alaska Airlines
Wed, Nov 5 - Wed, Nov 12
DEN
Denver
TUS
Tucson
$353 Roundtrip, found 3 days ago
$353
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Wed, Nov 5 from Denver to Tucson, returning Wed, Nov 12, priced at $353 found 3 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 $362
TUS
Tucson Intl.
CheapestClosest
Average driving time to city center14 min
Flights from $362
Flights from Denver (DEN) to Tucson (TUS)
Origin airport
Denver Intl.
Destination airport
Tucson Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Southwest Airlines, United
Roundtrip price
$105
Distance
638 mi
Average flight time
1 hour 38 mins

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 September. 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 $74 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?
Lock in a cheap one-way flight from $74 or cheap return flight from $105 from Denver Intl. Airport (DEN) to Tucson Intl. Airport (TUS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Denver Intl. Airport (DEN) to Tucson Intl. Airport (TUS)?
September is the least expensive month to fly from DEN to TUS. Traveling during an off-peak travel window is often the key to finding better fares.
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 Denver Intl. Airport (DEN) to Tucson Intl. Airport (TUS)?
The cheapest airline to offer flights between Denver Intl. Airport (DEN) and Tucson Intl. Airport (TUS) will vary based on when you plan to fly. Southwest Airlines and United Airlines are just some of your options offering well-priced fares. Use Expedia's filters to compare airlines in one place and find the right DEN to TUS flight that fits your budget.
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.

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*Available to One Key members.