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$109 Cheap Flights from Denver (DEN) to Tucson (TUS)

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 $109 for one-way flights and $217 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
American Airlines
Delta
Delta
United
United
American Airlines
United
Southwest Airlines
Alaska Airlines

Alternative airports near Tucson

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

What you need to know for your flight from Denver Intl. to Tucson Intl.

Denver (DEN) to Tucson (TUS) at a glance

Travel between Denver (DEN) and Tucson (TUS) with a selection of airlines on this popular domestic route. Whether you're looking for budget-friendly options or full-service experiences, you can compare weekly flights to discover the itinerary that best matches your schedule and travel requirements. As you plan your visit to Tucson's iconic attractions and vibrant neighborhoods, gather essential information about the flight time and available Tucson flights from Denver International Airport (DEN) to Tucson International Airport (TUS).

  • Fastest flight duration: around 2 hours non-stop
  • Route distance: roughly 600 miles (970 km)
  • Flights per week: around 25+ flights with multiple daily departures on average
  • Typical fares (one-way): economy tickets often range from $60–$340, depending on seasonality and how far ahead you book

Flights from Denver International Airport (DEN) to Tucson International Airport (TUS)

Based on recent traveler bookings, here are the top airlines flying from Denver to Tucson, favored for both non-stop and one-stop flights. Common layover options include Sky Harbor International Airport, PHX (approximately a 50-minute layover), Harry Reid International Airport, LAS (around 2 hours and 15 minutes), and Salt Lake City International Airport, SLC (about 1 hour and 30 minutes). These choices offer you the flexibility to balance price, total travel time, and cabin class to craft the perfect itinerary.

  • United: This full-service airline provides non-stop flights, with one-way ticket prices generally falling between $95 and $355. It dominates the route with around 54% of departures, ensuring a total travel duration of 2 hours.
  • Southwest Airlines: As a low-cost option, Southwest offers both non-stop and one-stop flights, with one-way fares usually ranging from $90 to $365. This carrier accounts for about 33% of departures on this route, with non-stop flights taking approximately 2 hours.
  • Frontier Airlines: Another budget-friendly airline, Frontier provides both non-stop and one-stop services, with one-way fares typically between $60 and $195. It covers around 9% of departures on this route, with a non-stop flight time of about 2 hours.
  • American Airlines: This full-service carrier features one-stop flights, with one-way fares generally between $85 and $365. It comprises roughly 2% of the departures on this route, with an in-flight duration of 3 hours and 30 minutes, leading to a total travel time of about 5 hours including layovers.
  • Delta: Offering one-stop services, Delta is a full-service airline with one-way fares typically ranging from $100 to $310. It accounts for approximately 1% of departures on this route, with an in-flight time of 3 hours and 30 minutes and a total journey duration of around 5 hours including layovers.

Travelers flying from Denver to Tucson can opt to upgrade their experience, as both United and American Airlines offer first-class service for this route.

Best time to fly from Denver (DEN) to Tucson (TUS)

The most popular months for travelers flying from Denver to Tucson are February, March, and April, when peak temperatures in Tucson reach up to 68.9°F in April. If you prefer quieter travel, consider September, the least busy time to visit with temperatures around 81.7°F and typically the lowest average one-way fare (around $141). Flight availability peaks in March, with approximately 34 flights per week, making it easier to find convenient departure times. January and July have the fewest flights, with approximately 20 flights per week.

  • Cheapest time to fly: September usually offers good deals with average one-way fare around $141, roughly 19% cheaper than the yearly average.
  • Most flight options: March has the highest number of flights from Denver to Tucson, with approximately 34 flights per week, giving you more flexibility in scheduling your trip.
calendar iconMonthtemperature iconTemperaturecrowd level iconDemandflights iconWeekly Flightsprice iconAverage one-way Fare
January51.4°F (10.8°C)Average20$198
February54.3°F (12.4°C)High27$170
March61.5°F (16.4°C)High34$175
April68.9°F (20.5°C)High27$175
May75.9°F (24.4°C)Low27$185
June86.2°F (30.1°C)Average25$173
July87.1°F (30.6°C)Low20$194
August86.2°F (30.1°C)Average24$167
September81.7°F (27.6°C)Low21$141
October71.6°F (22.0°C)Average28$166
November60.4°F (15.8°C)Average29$190
December51.6°F (10.9°C)Average27$180

*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.

Alternative routes from Denver (DEN) to Tucson (TUS)

  • Denver to Tucson (APA-TUS): Located approximately 21 miles from Denver International Airport (DEN), Centennial Airport (APA) serves as an alternative departure point.
  • Denver to Tucson (DEN-AVW): Marana Regional Airport (AVW) is roughly 25 miles from Tucson International Airport (TUS), providing another option for travelers.

How to find the best prices for flights from Denver (DEN) to Tucson (TUS)

Getting some of the best deals on flights from Denver to Tucson is all about timing and flexibility. Here are some key tips to help you save:

  1. Best times to book and fly: cheaper fares are typically found when booking 2-8 weeks in advance, which aligns with when most travelers make their reservations. Morning departures, between 5 a.m. and 12 p.m., generally offer lower prices and are also the most popular flight times. Additionally, flying on Monday tends to be cheaper, while Friday remains the most popular travel day.
  2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
  3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.*
  4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
  5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
  6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Tucson International Airport from Denver International Airport

Tucson welcomes travelers from Denver with a range of transport options based on price, convenience, and proximity. Here's how to reach Tucson efficiently:

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in Tucson, with private rides that can be arranged in advance.
  • Car rental: Renting a car from Tucson International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Tucson International Airport on Expedia.
  • Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
  • Public transportation: From Tucson International Airport, several public transport options are conveniently accessible by car. The Roy Laos Transit Center, a metro station, is located about 5.2 miles from the airport, while Tucson Station, a train station, is approximately 8.2 miles away. Additionally, the Ronstadt Transit Center, a bus station, is situated about 8.4 miles from the airport.

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 $109 and cheap return flights from $217 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, Southwest Airlines, United
Roundtrip price
$217
Distance
638 mi
Average flight time
1 hour 1 min

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*Flight schedules are subject to change.

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