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$39+ Cheap flights from Denver to Tucson (DEN - TUS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/5. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — TUS
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheapflights Tip: The best prices from Denver Intl to Tucson are usually found in April or August, booked 90 days in advance, depart on a Wednesday or Thursday and return on a Thursday

Cheap flight deals from Denver to Tucson

Discover tips and strategies to find the most affordable flight options for your journey from Denver (DEN) to Tucson (TUS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 11, 2025.

Round-trip from

$74
(Frontier)

One-way from

$39
(Frontier)

Popular in

October

Cheapest in

April

Average price

$267

Good round-trip deal

$148 or less

Good one-way deal

$198 or less
From Denver Intl to Tucson
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One-way flight from Denver Intl to Tucson
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Highest demand for flights based on searches. 9% potential increase in price ($29 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Denver Intl to Tucson.
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Price to beat on a one-way flight from Denver Intl to Tucson.
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Find flight deals from Denver to Tucson

Cheapest flights from Denver to Tucson
Explore the most affordable flight options available from Denver to Tucson. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This Frontier deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/99:48 amDEN - TUS
Nonstop1h 59mFrontier
Thu 11/1312:32 pmTUS - DEN
Nonstop2h 00mFrontier
Deal found 9/10$74
This Frontier deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/139:48 amDEN - TUS
Nonstop1h 59mFrontier
Sun 11/1612:32 pmTUS - DEN
Nonstop2h 00mFrontier
Deal found 9/10$108
This Priceline deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/309:48 amDEN - TUS
Nonstop1h 59mFrontier
Sun 11/25:45 pmTUS - DEN
1 stop6h 32mFrontier
Deal found 9/10$109
This Booking.com deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2810:29 pmDEN - TUS
1 stop16h 22mFrontier
Thu 10/211:35 amTUS - DEN
Nonstop1h 57mFrontier
Deal found 9/11$110
This Frontier deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/99:48 amDEN - TUS
Nonstop1h 59mFrontier
Mon 11/172:20 pmTUS - DEN
1 stop9h 33mFrontier
Deal found 9/10$114
This United Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/87:38 pmDEN - TUS
Nonstop2h 06mUnited Airlines
Tue 11/115:28 pmTUS - DEN
Nonstop1h 57mUnited Airlines
Deal found 9/10$117
This United Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/257:45 amDEN - TUS
Nonstop2h 14mUnited Airlines
Tue 12/305:45 pmTUS - DEN
Nonstop1h 53mUnited Airlines
Deal found 9/11$133
This Frontier deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/99:48 amDEN - TUS
Nonstop1h 59mFrontier
Fri 11/142:20 pmTUS - DEN
1 stop9h 33mFrontier
Deal found 9/10$142
This Booking.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/29:48 amDEN - TUS
Nonstop1h 57mFrontier
Sun 10/128:46 amTUS - DEN
1 stop11h 09mFrontier
Deal found 9/10$144
This Booking.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/227:00 amDEN - TUS
1 stop7h 51mFrontier
Mon 9/292:41 pmTUS - DEN
1 stop12h 19mFrontier
Deal found 9/10$145

Cheapflights Fare Finder

 
Customize your flight search to find flights from Denver to Tucson that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 11, 2025.
Use the filters below to find and compare flights from Denver to Tucson that are best for you.

Fly from

Denver

Fly to

Tucson

Route

Depart

Return

Price

DenverTucson

DEN - TUS

DENTUS

Denver Intl

Tue 10/7

2:00 pm-3:05 pm

Nonstop2h 05m

Tucson

Tue 10/14

4:25 pm-7:24 pm

Nonstop1h 59m

$117

DenverTucson

DEN - TUS

DENTUS

Denver Intl

Tue 11/4

8:00 am-10:05 am

Nonstop2h 05m

Tucson

Fri 11/7

5:10 am-7:00 am

Nonstop1h 50m

$133

DenverTucson

DEN - TUS

DENTUS

Denver Intl

Fri 10/3

7:20 pm-8:25 pm

Nonstop2h 05m

Tucson

Mon 10/6

4:25 pm-7:24 pm

Nonstop1h 59m

$149

DenverTucson

DEN - TUS

DENTUS

Denver Intl

Tue 10/7

6:40 am-10:35 am

1 stop4h 55m

Tucson

Tue 10/14

3:35 pm-6:30 pm

Nonstop1h 55m

$159

DenverTucson

DEN - TUS

DENTUS

Denver Intl

Fri 11/7

10:25 pm-12:25 am

Nonstop2h 00m

Tucson

Tue 11/11

1:15 pm-7:15 pm

1 stop6h 00m

$170

DenverTucson

DEN - TUS

DENTUS

Denver Intl

Wed 11/12

8:40 pm-10:40 pm

Nonstop2h 00m

Tucson

Mon 11/17

3:55 pm-5:50 pm

Nonstop1h 55m

$172

DenverTucson

DEN - TUS

DENTUS

Denver Intl

Mon 10/13

3:53 pm-5:08 pm

Nonstop2h 15m

Tucson

Sat 10/18

4:26 pm-7:25 pm

Nonstop1h 59m

$192

DenverTucson

DEN - TUS

DENTUS

Denver Intl

Sat 11/8

11:30 am-1:35 pm

Nonstop2h 05m

Tucson

Tue 11/11

1:15 pm-5:20 pm

1 stop4h 05m

$195

DenverTucson

DEN - TUS

DENTUS

Denver Intl

Wed 10/8

6:40 am-10:35 am

1 stop4h 55m

Tucson

Wed 10/15

5:10 am-12:15 pm

1 stop6h 05m

$196

DenverTucson

DEN - TUS

DENTUS

Denver Intl

Tue 10/14

5:30 am-10:33 am

1 stop6h 03m

Tucson

Mon 10/20

4:30 pm-11:50 pm

1 stop6h 20m

$197

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 21 results
1
2
3

Best time to book a flight from Denver to Tucson

Have a flexible travel schedule? Discover the best time to fly to Tucson from Denver with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Denver to Tucson

How far ahead should I book a flight from Denver to Tucson?

Use this chart to determine the optimal time to book a round-trip flight from Denver to Tucson. Price data was last updated on August 29, 2025.

The price you pay for your flight from Denver to Tucson may vary depending on when you book. For the best chance of a lower fare, look to book 90 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Denver to Tucson?

Currently, August is the cheapest month in which you can book a flight from Denver to Tucson (average of $362). Flying from Denver to Tucson in March is currently the most expensive (average of $424). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from DEN to TUS?

Find hourly flight availability from Denver to Tucson. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

When flying from Denver to Tucson, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 18% versus a flight in the afternoon.

What is the cheapest day to fly from Denver to Tucson?

Use this chart to determine the cheapest time to fly round-trip from Denver to Tucson. Price data was last updated on September 7, 2025.

Travelers seeking maximum savings on their Denver to Tucson flight should consider departing on Wednesday mornings when fares are most often at their lowest. Monday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Tucson

Get insights into the airlines that provide service to Tucson. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Tucson. Reviews last updated September 11, 2025.
See what other customers who have flown with Southwest, United Airlines, and American Airlines from Denver to Tucson have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,248 reviews

Crew

8.6

Boarding

8.1

Entertainment

7.5

Overall

8.0

Food

7.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,248 reviews
Southwest
8.0
Very good
4,248 reviews

Crew

8.6

Boarding

8.1

Entertainment

7.5

Overall

8.0

Food

7.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
8,937 reviews
Southwest
8.0
Very good
4,248 reviews

Crew

8.6

Boarding

8.1

Entertainment

7.5

Overall

8.0

Food

7.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,248 reviews

Crew

8.6

Boarding

8.1

Entertainment

7.5

Overall

8.0

Food

7.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Frontier
5.8
Fair
3,177 reviews
Southwest
8.0
Very good
4,248 reviews

Crew

8.6

Boarding

8.1

Entertainment

7.5

Overall

8.0

Food

7.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

Find useful and relevant information for your journey from Denver to Tucson. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airports do I use to fly from Denver to Tucson?

    If you book a flight from Denver to Tucson, you will be flying from Denver Intl to Tucson. Flights to Tucson (TUS) from Denver Intl (DEN) take 1h 57m for a nonstop flight. There are 9 flights from Denver Intl to Tucson per day from 4 airlines.

  • How popular is this Denver to Tucson flight route?

    This flight path from Denver Intl to Tucson was viewed by 3 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Denver to Tucson?

    There are many flights that can get you from Denver to Tucson in 2h 05m. Fly via United Airlines or Southwest to get the fastest option. The distance from Denver to Tucson is about 639 mi. Most flights are nonstop.

  • What are the cheapest airlines flying from Denver to Tucson round-trip?

    Cheapflights users have booked flights from Denver to Tucson round-trip from $47. Other airlines that can offer you cheap pricing are United Airlines, from $159, and Southwest, from $185. You may be able to fly from Denver to Tucson for 83% less than the average price by searching for these airlines.

  • What are the most reliable airlines from Denver to Tucson?

    Consider Frontier (94%), United Airlines (83%) or SWISS (80%) when booking your flight. These represent the most reliable airlines when flying from Denver to Tucson.

  • What are the cheapest flights from Denver to Tucson?

    On average you can expect to pay $260 for a flight from Denver to Tucson. The cheapest flight overall is $78 while the most popular route, (Denver Intl - Tucson) is currently priced at $108.

  • Can I find deals for flights from Denver to Tucson that include hotel bookings?

    Yes. In addition to deals on Denver to Tucson flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Denver to Tucson?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Denver to Tucson.

  • Can I find deals for business class flights from Denver to Tucson?

    Yes. Cheapflights offers flight deals from Denver to Tucson by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Denver to Tucson?

    Currently, August is the cheapest month in which you can book a flight from Denver to Tucson (average of $362). Flying from Denver to Tucson in March is currently the most expensive (average of $424). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Tucson?

Book flights to Tucson if you plan to visit one of these locations
Sierra Vista
Green Valley

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Alternative routes for Denver to Tucson

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Denver to Tucson

Discover the top 4 airlines that operate flights from Denver to Tucson. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$47Average$119FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$159Average$301FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$185Average$297FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$266Average$396FlexibilityNo cancel feeOn-time71%

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