$111 Cheap Flights from Denver (DEN) to Tucson (TUS)

View $111 flight on Fri, Apr 10, 2026Opens in a new window

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

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Cheap Flights from Denver to Tucson (DEN-TUS)

Prices were available within the past 7 days and start at $111 for one-way flights and $222 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Sun, Apr 12 - Mon, Apr 13
DEN
Denver
TUS
Tucson
$222 Roundtrip, found 3 hours ago
$222
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Sun, Apr 12 from Denver to Tucson, returning Mon, Apr 13, priced at $222 found 3 hours ago
Frontier Airlines
Fri, Apr 10 - Mon, Apr 13
DEN
Denver
TUS
Tucson
$232 Roundtrip, just found
$232
Roundtrip
just found
Select Frontier Airlines flight, departing Fri, Apr 10 from Denver to Tucson, returning Mon, Apr 13, priced at $232 just found
Frontier Airlines
Fri, Apr 10 - Mon, Apr 13
DEN
Denver
TUS
Tucson
$233 Roundtrip, just found
$233
Roundtrip
just found
Select Frontier Airlines flight, departing Fri, Apr 10 from Denver to Tucson, returning Mon, Apr 13, priced at $233 just found
Frontier Airlines
Sun, Apr 5 - Mon, Apr 13
DEN
Denver
TUS
Tucson
$236 Roundtrip, found 3 hours ago
$236
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Sun, Apr 5 from Denver to Tucson, returning Mon, Apr 13, priced at $236 found 3 hours ago
Frontier Airlines
Mon, Apr 6 - Fri, Apr 10
DEN
Denver
TUS
Tucson
$241 Roundtrip, found 5 hours ago
$241
Roundtrip
found 5 hours ago
Select Frontier Airlines flight, departing Mon, Apr 6 from Denver to Tucson, returning Fri, Apr 10, priced at $241 found 5 hours ago
Frontier Airlines
Fri, Apr 3 - Mon, Apr 13
DEN
Denver
TUS
Tucson
$246 Roundtrip, found 1 day ago
$246
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Fri, Apr 3 from Denver to Tucson, returning Mon, Apr 13, priced at $246 found 1 day ago
United
Wed, Jun 10 - Wed, Jun 17
DEN
Denver
TUS
Tucson
$271 Roundtrip, just found
$271
Roundtrip
just found
Select United flight, departing Wed, Jun 10 from Denver to Tucson, returning Wed, Jun 17, priced at $271 just found
Southwest Airlines
Tue, May 5 - Wed, May 13
DEN
Denver
TUS
Tucson
$272 Roundtrip, found 13 hours ago
$272
Roundtrip
found 13 hours ago
Select Southwest Airlines flight, departing Tue, May 5 from Denver to Tucson, returning Wed, May 13, priced at $272 found 13 hours ago
American Airlines
Wed, May 20 - Wed, May 27
DEN
Denver
TUS
Tucson
$291 Roundtrip, found 6 hours ago
$291
Roundtrip
found 6 hours ago
Select American Airlines flight, departing Wed, May 20 from Denver to Tucson, returning Wed, May 27, priced at $291 found 6 hours ago
Delta
Wed, May 20 - Wed, May 27
DEN
Denver
TUS
Tucson
$291 Roundtrip, found 6 hours ago
$291
Roundtrip
found 6 hours ago
Select Delta flight, departing Wed, May 20 from Denver to Tucson, returning Wed, May 27, priced at $291 found 6 hours ago

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 $354
TUS
Tucson Intl.
CheapestClosest
Average driving time to city center14 min
Flights from $354

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

September is typically the cheapest month to fly

From $87 - $362 per traveler.

Frequently asked questions

How much does a flight from Denver, CO (DEN-Denver Intl.) to Tucson, AZ (TUS-Tucson Intl.) cost?
You can find cheap one-way flights from $111 and cheap return flights from $222 Denver, CO (DEN-Denver Intl.) to Tucson, AZ (TUS-Tucson Intl.) with Expedia. One-way flights typically cost between $152 and $1172, and return flights often range between $284 and $1620. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Denver, CO (DEN-Denver Intl.) to Tucson, AZ (TUS-Tucson Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Denver, CO (DEN-Denver Intl.) to Tucson, AZ (TUS-Tucson Intl.)?
August is the cheapest month to fly from Denver (DEN) to Tucson (TUS), with average return fares around $258. This price is about 16% lower than the average throughout the year, as travel demand typically dips during the late summer. Other budget-friendly months to consider are April and September.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Denver, CO (DEN-Denver Intl.) to Tucson, AZ (TUS-Tucson Intl.)?
Choose from 2 airlines operating direct flights from DEN to TUS:

  • United operates around 43 direct flights from DEN to TUS every week
  • Frontier Airlines operates around 7 direct flights from DEN to TUS every week

What is the cheapest airline that flies from Denver, CO (DEN-Denver Intl.) to Tucson, AZ (TUS-Tucson Intl.)?
Frontier Airlines is one of the cheapest airlines offering nonstop flights from Denver Intl. (DEN) to Tucson Intl. (TUS), with round-trip tickets starting from around $48. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Denver, CO (DEN-Denver Intl.) to Tucson, AZ (TUS-Tucson Intl.)?
To find a cheap flight from Denver, CO (DEN-Denver Intl.) to Tucson, AZ (TUS-Tucson Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Denver, CO (DEN-Denver Intl.) to Tucson, AZ (TUS-Tucson Intl.)?
The best airline to fly with from Denver, CO (DEN) to Tucson, AZ (TUS) will differ from traveler to traveler. If you like to fly early, WN offers early morning flights. If price is the most important factor, Frontier Airlines typically offers the lowest fares. Alaska Airlines offers the most daily flights from Denver to Tucson, which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Denver, CO (DEN-Denver Intl.) to Tucson, AZ (TUS-Tucson Intl.)?
For your trip from Denver, CO (DEN) to Tucson, AZ (TUS), the best times to fly are in August and September. Return flights during these months are around $258, making them the most economical choice. August is warm in Tucson, while September brings slightly cooler temperatures, enhancing your travel experience.*Prices based on flights available on Expedia in the last year.
How many flights per day from Denver, CO (DEN-Denver Intl.) to Tucson, AZ (TUS-Tucson Intl.)?
On average, there are around 10 nonstop flights per day from Denver Intl. (DEN) to Tucson Intl. (TUS). For more options, look at flights that include layovers.
What is the earliest flight from Denver, CO (DEN-Denver Intl.) to Tucson, AZ (TUS-Tucson Intl.)?
The earliest flight from Denver International Airport (DEN) to Tucson International Airport (TUS) typically leaves at around 12:30 AM, operated by Delta Airlines. This seasonal service is available in February, allowing you to maximize your time in Arizona. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Denver, CO (DEN-Denver Intl.) to Tucson, AZ (TUS-Tucson Intl.)?
The most popular departure times for flights from Denver (DEN) to Tucson (TUS) are in the early morning, from 6am to 9am. About 25% of passengers prefer this time window. Many major carriers, including American Airlines and Southwest Airlines, offer flights during this window. This timing is popular because it allows you to arrive in Tucson early and make the most of your day.
How long does it take to fly from Denver, CO (DEN-Denver Intl.) to Tucson, AZ (TUS-Tucson Intl.)?
Flying nonstop from DEN to TUS takes around 2 hours, with the route covering approximately 638 miles. Flights with a layover typically take 3 hours 30 minutes longer than direct options. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Denver, CO (DEN-Denver Intl.) to Tucson, AZ (TUS-Tucson Intl.)?
First class seats are offered on the DEN to TUS route. First class cabins are available on:

  • American Airlines
  • Delta Air Lines
  • United Airlines

How much is a business class flight from Denver, CO (DEN-Denver Intl.) to Tucson, AZ (TUS-Tucson Intl.)?
A direct, return business class ticket from Denver (DEN) to Tucson (TUS) typically costs between $858 - $1,250. Prices often fluctuate based on seasonality and how early you book. You may also be able to find a cheaper business class journey between Denver, CO (DEN-Denver Intl.) to Tucson, AZ (TUS-Tucson Intl.) if you opt for a connecting flight.*Prices based on flights available on Expedia in the last year.
How do I earn miles on a Denver, CO (DEN-Denver Intl.) to Tucson, AZ (TUS-Tucson Intl.) flight with Expedia?
It's easy to earn miles on a Denver, CO (DEN-Denver Intl.) to Tucson, AZ (TUS-Tucson Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Tucson from Denver Intl. (DEN)?
If you're planning to travel to Tucson from Denver Intl. (DEN), you can fly into Tucson Intl. (TUS) Some flights may connect through major hubs like Seattle - Tacoma Intl. (SEA), Portland Intl. (PDX), Salt Lake City Intl. (SLC) before reaching Tucson. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Denver, CO (DEN-Denver Intl.) to Tucson, AZ (TUS-Tucson Intl.) at the last minute?
Typically, booking a last minute flight from Denver, CO (DEN-Denver Intl.) to Tucson, AZ (TUS-Tucson Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Denver, CO (DEN-Denver Intl.) to Tucson, AZ (TUS-Tucson Intl.) flight and hotel package?
Securing a Denver, CO (DEN-Denver Intl.) to Tucson, AZ (TUS-Tucson Intl.) Tucson Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Denver, CO (DEN-Denver Intl.) to Tucson, AZ (TUS-Tucson Intl.)?
If you booked your Denver, CO (DEN-Denver Intl.) to Tucson, AZ (TUS-Tucson Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Denver Intl.
Destination airport
Tucson Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Southwest Airlines, United
Roundtrip price
$222
Distance
638 mi
Average flight time
1 hour 1 min

Book with confidence

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 April. 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 2026. You can also book with separate airlines for your outbound and return journeys, from $111 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.

 

Denver to Tucson Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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