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$33+ Cheap flights from Tucson to Denver (TUS - DEN)

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 1/23. Fares are subject to change and may not be available on all flights or dates of travel.
TUS — DEN
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Find cheap flights from Tucson to Denver with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Tucson to Denver Intl are usually found in March or April, booked 51 days in advance, depart on a Thursday or Friday and return on a Wednesday

Cheap flight deals from Tucson to Denver

Discover tips and strategies to find the most affordable flight options for your journey from Tucson (TUS) to Denver (DEN). 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 October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$127
(CheapOair)

One-way from

$33
(Priceline)

Popular in

December

Cheapest in

March

Average price

$247

Good round-trip deal

$293 or less

Good one-way deal

$167 or less
Provider with most accurate pricing for Tucson-Denver Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Tucson-Denver Intl flights.
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From Tucson to Denver Intl
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One-way flight from Tucson to Denver Intl
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($33 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals
Price to beat on a round-trip flight from Tucson to Denver Intl.
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Price to beat on a one-way flight from Tucson to Denver Intl.
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Find flight deals from Tucson to Denver

Cheapest flights from Tucson to Denver
Explore the most affordable flight options available from Tucson to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

This CheapOair deal was found by Cheapflights users on 10/30. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/46:08 pmTUS - DEN
1 stop5h 51mFrontier
Sun 12/76:35 amDEN - TUS
1 stop12h 31mFrontier
Deal found 10/30$127
This Priceline deal was found by Cheapflights users on 10/28. 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.
Tue 12/2312:50 pmTUS - DEN
Nonstop2h 00mFrontier
Mon 12/299:52 amDEN - TUS
Nonstop2h 03mFrontier
Deal found 10/28$128
This CheapOair deal was found by Cheapflights users on 10/30. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/78:01 pmTUS - DEN
1 stop12h 22mFrontier
Sun 12/149:42 amDEN - TUS
Nonstop2h 03mFrontier
Deal found 10/30$130
This Priceline deal was found by Cheapflights users on 10/30. 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.
Fri 12/57:21 pmTUS - DEN
1 stop8h 37mFrontier
Sun 12/79:42 amDEN - TUS
Nonstop2h 03mFrontier
Deal found 10/30$133
This CheapOair deal was found by Cheapflights users on 10/29. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/172:20 pmTUS - DEN
1 stop13h 39mFrontier
Fri 11/289:44 amDEN - TUS
Nonstop2h 04mFrontier
Deal found 10/29$134
This Priceline deal was found by Cheapflights users on 10/29. 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 12/116:08 pmTUS - DEN
1 stop5h 51mFrontier
Sun 12/149:42 amDEN - TUS
Nonstop2h 03mFrontier
Deal found 10/29$136
This Priceline deal was found by Cheapflights users on 10/29. 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.
Mon 12/112:48 pmTUS - DEN
Nonstop2h 00mFrontier
Thu 12/47:00 amDEN - TUS
1 stop10h 13mFrontier
Deal found 10/29$140
This CheapOair deal was found by Cheapflights users on 10/28. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/135:16 pmTUS - DEN
1 stop5h 56mFrontier
Sun 11/166:41 pmDEN - TUS
1 stop18h 54mFrontier
Deal found 10/28$143
This CheapOair deal was found by Cheapflights users on 10/29. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/78:01 pmTUS - DEN
1 stop12h 22mFrontier
Fri 12/129:42 amDEN - TUS
Nonstop2h 03mFrontier
Deal found 10/29$149

Cheapflights Fare Finder

 
Customize your flight search to find flights from Tucson to Denver 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 October 30, 2025.
Use the filters below to find and compare flights from Tucson to Denver that are best for you.

Fly from

Tucson

Fly to

Denver

Route

Depart

Return

Price

TucsonDenver

TUS - DEN

TUSDEN

Tucson

Thu 12/4

10:40 am-12:45 pm

Nonstop2h 05m

Denver Intl

Wed 12/10

7:45 am-9:59 am

Nonstop2h 14m

$217

TucsonDenver

TUS - DEN

TUSDEN

Tucson

Wed 12/3

6:45 am-11:09 am

1 stop4h 24m

Denver Intl

Wed 12/10

7:05 am-11:34 am

1 stop4h 29m

$237

TucsonDenver

TUS - DEN

TUSDEN

Tucson

Wed 2/18

1:35 pm-9:05 pm

2 stops7h 30m

Denver Intl

Mon 2/23

6:40 pm-11:05 pm

1 stop4h 25m

$242

TucsonDenver

TUS - DEN

TUSDEN

Tucson

Sun 12/7

10:40 am-12:45 pm

Nonstop2h 05m

Denver Intl

Mon 12/8

7:45 am-9:59 am

Nonstop2h 14m

$242

TucsonDenver

TUS - DEN

TUSDEN

Tucson

Thu 12/4

6:25 pm-10:55 pm

1 stop4h 30m

Denver Intl

Wed 12/10

1:30 pm-8:10 pm

2 stops6h 40m

$242

TucsonDenver

TUS - DEN

TUSDEN

Tucson

Thu 1/29

9:50 am-12:00 pm

Nonstop2h 10m

Denver Intl

Sun 2/8

2:32 pm-4:37 pm

Nonstop2h 05m

$247

TucsonDenver

TUS - DEN

TUSDEN

Tucson

Fri 12/19

2:40 pm-4:33 pm

Nonstop1h 53m

Denver Intl

Mon 12/22

2:30 pm-4:35 pm

Nonstop2h 05m

$264

TucsonDenver

TUS - DEN

TUSDEN

Tucson

Tue 12/16

10:40 am-12:45 pm

Nonstop2h 05m

Denver Intl

Mon 12/29

3:36 pm-5:53 pm

Nonstop2h 17m

$264

TucsonDenver

TUS - DEN

TUSDEN

Tucson

Fri 12/5

10:40 am-12:30 pm

Nonstop1h 50m

Denver Intl

Sun 12/7

10:25 pm-12:25 am

Nonstop2h 00m

$267

TucsonDenver

TUS - DEN

TUSDEN

Tucson

Tue 12/23

6:40 am-8:33 am

Nonstop1h 53m

Denver Intl

Fri 12/26

7:50 pm-9:58 pm

Nonstop2h 08m

$274

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Showing 1-10 of 24 results
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Compare providers for flights from Tucson to Denver

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Tucson to Denver in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Tucson-Denver flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Tucson-Denver flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Tucson-Denver flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Tucson-Denver flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Tucson-Denver flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Tucson to Denver

Have a flexible travel schedule? Discover the best time to fly to Denver from Tucson 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 Tucson to Denver

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

Use this chart to determine the optimal time to book a round-trip flight from Tucson to Denver. Price data was last updated on October 24, 2025.

Booking 51 days in advance of your planned departure date is, on average, the best time to get cheap flights from Tucson to Denver. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, March is the cheapest month in which you can book a flight from Tucson to Denver (average of $37). Flying from Tucson to Denver in January is currently the most expensive (average of $238). 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 TUS to DEN?

Find hourly flight availability from Tucson to Denver. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 30, 2025.

A simple way to save on the total cost of your ticket is to fly from Tucson to Denver in the evening. If you’re flexible enough to do this you can expect to save up to 24% on your trip compared to booking a flight at noon.

Reviews of airlines servicing Denver

Get insights into the airlines that provide service to Denver. 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 Denver. Reviews last updated October 30, 2025.
Get a feel of what it's like to fly with Southwest, Delta, and United Airlines from Tucson to Denver by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,243 reviews

Comfort

8.0

Food

7.0

Entertainment

7.5

Boarding

8.1

Overall

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
Southwest
8.0
Very good
4,243 reviews
Southwest
8.0
Very good
4,243 reviews

Comfort

8.0

Food

7.0

Entertainment

7.5

Boarding

8.1

Overall

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
Delta
7.9
Good
7,998 reviews
Southwest
8.0
Very good
4,243 reviews

Comfort

8.0

Food

7.0

Entertainment

7.5

Boarding

8.1

Overall

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
United Airlines
7.4
Good
8,998 reviews
Southwest
8.0
Very good
4,243 reviews

Comfort

8.0

Food

7.0

Entertainment

7.5

Boarding

8.1

Overall

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
American Airlines
7.2
Good
11,035 reviews
Southwest
8.0
Very good
4,243 reviews

Comfort

8.0

Food

7.0

Entertainment

7.5

Boarding

8.1

Overall

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
Frontier
5.8
Fair
3,122 reviews
Southwest
8.0
Very good
4,243 reviews

Comfort

8.0

Food

7.0

Entertainment

7.5

Boarding

8.1

Overall

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.

Related info for your journey

Find useful and relevant information for your journey from Tucson to Denver. 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 Tucson to Denver?

    If you book a flight from Tucson to Denver, you will be flying from Tucson to Denver Intl. Flights to Denver Intl (DEN) from Tucson (TUS) take 1h 53m for a nonstop flight. There are 6 flights from Tucson to Denver per day from 5 airlines.

  • How popular is this Tucson to Denver flight route?

    Flights from Tucson to Denver Intl have been viewed 63 times in the past calendar month.

  • How long is the flight from Tucson to Denver?

    Airlines like United Airlines, Delta, and Southwest fly from Tucson to Denver in about 2h 05m. The time it takes to get you to your destination can typically vary by up to 5h 25m. The distance from Tucson to Denver is about 639 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    According to our current data, Frontier ($37), Delta ($98), and United Airlines ($171) offers the cheapest pricing from Tucson to Denver. Frontier is currently priced 85% below the average price you’ll pay for this route.

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

    Consider Frontier (96%), Lufthansa (88%) or Air Canada (83%) when booking your flight. These represent the most reliable airlines when flying from Tucson to Denver.

  • What are the cheapest flights from Tucson to Denver?

    While on average a flight from Tucson to Denver is generally $777, our data shows the cheapest flight currently is $97. When looking at the most popular route, (Tucson - Denver Intl), you can expect to pay $157 for that flight.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Tucson to Denver 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 Tucson to Denver?

    Currently, March is the cheapest month in which you can book a flight from Tucson to Denver (average of $37). Flying from Tucson to Denver in January is currently the most expensive (average of $238). 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 Denver?

Book flights to Denver if you plan to visit one of these locations
Black Hawk
Westminster
Broomfield
Lakewood
Golden
Winter Park
Greeley
Lone Tree
Cripple Creek
Thornton
Silverthorne
Central City
Manitou Springs
Fort Morgan
Wheat Ridge
Brighton
Longmont
Idaho Springs
Parker
Sterling

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Tucson to Denver

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Tucson to Denver

Discover the top 5 airlines that operate flights from Tucson to Denver. 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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$37Average$133FlexibilityNo cancel feeOn-time62%
DeltaCheapest$98Average$266FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$171Average$293FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$196Average$291FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$255Average$377FlexibilityNo cancel feeOn-time71%

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