What is the cheapest airline that flies from Tucson to Denver Intl?

Southwest is the most popular carrier operating from Tucson to Denver Intl

How many flights depart from Tucson to Denver on average per day?

10 flights are operational daily from Tucson to Denver as of October 2026. The most popular departure time for this route is 9:00AM, with 41% of flights per day taking off at noon.

How many flights depart from Tucson to Denver on average per week?

74 flights are operational weekly from Tucson to Denver as of October 2026. The most popular departure day for this route is Sun, with 18% of flights per week taking off on this day.

What airlines fly to Denver?

United Airlines, Southwest and Frontier are the top three most popular airlines that fly to Denver from Tucson according to our data. United Airlines is the first choice among our users, with 46% of people opting to fly with this airline when traveling to Denver. Keep in mind that there are 4 different airlines that fly to Denver on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Tucson Airport to Denver Intl Airport?

Prices for flights from Tucson Airport to Denver Intl Airport refresh daily.

How many operators does momondo search for flights from Tucson Airport to Denver Intl Airport?

There are 3 operators available for flights from Tucson Airport to Denver Intl Airport as of October 2026.

How old do you have to be to fly from Tucson Airport to Denver Intl Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Tucson Airport to Denver Intl Airport.

What documentation or ID do you need to fly to Denver Intl Airport?

The travel and health documents required for your trip to Denver Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Denver Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$109 Cheap Flights from Tucson to Denver in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Tucson to Denver

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

3:00 pm - 6:00 pmTUS Tucson-DEN Denver Intl

2h 00mnonstop

3:45 pm - 5:50 pmDEN Denver Intl-TUS Tucson

2h 05mnonstop

$217Southwest

Thu, Oct 22 - Wed, Nov 4

7:00 am - 9:55 amTUS Tucson-DEN Denver Intl

1h 55mnonstop

7:40 pm - 9:45 pmDEN Denver Intl-TUS Tucson

2h 05mnonstop

$217Southwest

Sat, Oct 31 - Sat, Nov 7

8:14 am - 10:25 amTUS Tucson-DEN Denver Intl

2h 11mnonstop

7:40 am - 9:48 amDEN Denver Intl-TUS Tucson

2h 08mnonstop

$217United Airlines

Thu, Dec 17 - Tue, Dec 29

5:30 am - 8:27 amTUS Tucson-DEN Denver Intl

1h 57mnonstop

7:40 am - 9:50 amDEN Denver Intl-TUS Tucson

2h 10mnonstop

$217United Airlines

Wed, Oct 28 - Wed, Nov 4

1:30 pm - 4:27 pmTUS Tucson-DEN Denver Intl

1h 57mnonstop

7:25 pm - 9:34 pmDEN Denver Intl-TUS Tucson

2h 09mnonstop

$217United Airlines

Wed, Oct 28 - Mon, Nov 2

3:10 pm - 5:05 pmTUS Tucson-DEN Denver Intl

1h 55mnonstop

9:00 pm - 11:10 pmDEN Denver Intl-TUS Tucson

2h 10mnonstop

$217Southwest

Thu, Nov 19 - Mon, Nov 23

10:25 am - 1:20 pmTUS Tucson-DEN Denver Intl

1h 55mnonstop

4:30 pm - 9:55 pmDEN Denver Intl-TUS Tucson

5h 25m1 stop Las Vegas Harry Reid Intl

$227Southwest

Wed, Oct 28 - Wed, Nov 4

7:47 pm - 12:35 amTUS Tucson-DEN Denver Intl

4h 48m1 stop Phoenix Sky Harbor Intl

1:15 pm - 7:09 pmDEN Denver Intl-TUS Tucson

5h 54m1 stop Dallas/Fort Worth

$235American Airlines

Tue, Dec 1 - Sat, Dec 5

2:46 pm - 7:22 pmTUS Tucson-DEN Denver Intl

4h 36m1 stop Phoenix Sky Harbor Intl

5:30 am - 10:54 amDEN Denver Intl-TUS Tucson

5h 24m1 stop Phoenix Sky Harbor Intl

$237American Airlines

Sat, Nov 7 - Tue, Nov 10

7:00 am - 2:18 pmTUS Tucson-DEN Denver Intl

7h 18m1 stop Dallas/Fort Worth

5:30 am - 10:54 amDEN Denver Intl-TUS Tucson

5h 24m1 stop Phoenix Sky Harbor Intl

$237American Airlines

Tue, Nov 10 - Thu, Nov 12

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United Airlines flights from Tucson to Denver

Our best United Airlines deals on Tucson to Denver flight tickets

United Airlines

Oct 28

TUS5:30 amTucson

1h 57m

DEN8:27 amDenver Intl

Nov 4

DEN7:40 amDenver Intl

2h 10m

TUS9:50 amTucson

$217

United Airlines

Dec 17

TUS2:46 pmTucson

1h 55m

DEN4:41 pmDenver Intl

Dec 30

DEN1:55 pmDenver Intl

2h 17m

TUS4:12 pmTucson

$238

United Airlines

Dec 1

TUS6:30 amTucson

1h 58m

DEN8:28 amDenver Intl

Dec 5

DEN9:46 amDenver Intl

2h 14m

TUS12:00 pmTucson

$314

Southwest flights from Tucson to Denver

Our best Southwest deals on Tucson to Denver flight tickets

Southwest

Oct 22

TUS10:15 amTucson

1h 55m

DEN1:10 pmDenver Intl

Oct 27

DEN4:30 pmDenver Intl

5h 40m

1 stop

TUS9:10 pmTucson

$227

Southwest

Oct 22

TUS3:00 pmTucson

2h 00m

DEN6:00 pmDenver Intl

Oct 27

DEN10:15 amDenver Intl

7h 35m

2 stops

TUS4:50 pmTucson

$232

Southwest

Oct 22

TUS5:10 amTucson

4h 50m

1 stop

DEN11:00 amDenver Intl

Oct 27

DEN10:15 amDenver Intl

7h 35m

2 stops

TUS4:50 pmTucson

$242

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TucsonDenver

TUS Tucson - DEN Denver Intl

TUSDEN

Tucson

Thu 10/22

3:00 pm-6:00 pm

Nonstop2h 00m

Denver Intl

Wed 11/4

3:45 pm-5:50 pm

Nonstop2h 05m

$217

Quickest round-trip

TucsonDenver

TUS Tucson - DEN Denver Intl

TUSDEN

Tucson

Sat 10/31

7:00 am-9:55 am

Nonstop1h 55m

Denver Intl

Sat 11/7

7:40 pm-9:45 pm

Nonstop2h 05m

$217

TucsonDenver

TUS Tucson - DEN Denver Intl

TUSDEN

Tucson

Thu 12/17

8:14 am-10:25 am

Nonstop2h 11m

Denver Intl

Tue 12/29

7:40 am-9:48 am

Nonstop2h 08m

$217

TucsonDenver

TUS Tucson - DEN Denver Intl

TUSDEN

Tucson

Wed 10/28

5:30 am-8:27 am

Nonstop1h 57m

Denver Intl

Wed 11/4

7:40 am-9:50 am

Nonstop2h 10m

$217

TucsonDenver

TUS Tucson - DEN Denver Intl

TUSDEN

Tucson

Wed 10/28

1:30 pm-4:27 pm

Nonstop1h 57m

Denver Intl

Mon 11/2

7:25 pm-9:34 pm

Nonstop2h 09m

$217

TucsonDenver

TUS Tucson - DEN Denver Intl

TUSDEN

Tucson

Thu 11/19

3:10 pm-5:05 pm

Nonstop1h 55m

Denver Intl

Mon 11/23

9:00 pm-11:10 pm

Nonstop2h 10m

$217

TucsonDenver

TUS Tucson - DEN Denver Intl

TUSDEN

Tucson

Wed 10/28

10:25 am-1:20 pm

Nonstop1h 55m

Denver Intl

Wed 11/4

4:30 pm-9:55 pm

1 stop5h 25m

$227

TucsonDenver

TUS Tucson - DEN Denver Intl

TUSDEN

Tucson

Tue 12/1

7:47 pm-12:35 am

1 stop4h 48m

Denver Intl

Sat 12/5

1:15 pm-7:09 pm

1 stop5h 54m

$235

TucsonDenver

TUS Tucson - DEN Denver Intl

TUSDEN

Tucson

Sat 11/7

2:46 pm-7:22 pm

1 stop4h 36m

Denver Intl

Tue 11/10

5:30 am-10:54 am

1 stop5h 24m

$237

TucsonDenver

TUS Tucson - DEN Denver Intl

TUSDEN

Tucson

Tue 11/10

7:00 am-2:18 pm

1 stop7h 18m

Denver Intl

Thu 11/12

5:30 am-10:54 am

1 stop5h 24m

$237

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Tucson to Denver

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the typical price of a round-trip flight between Tucson and Denver?

Prices are currently low for flights on this route.

Typical prices usually range from $223 to $350.
The lowest price recently found on this route was $217.

What is the cheapest month to fly to Denver?

The cheapest month to fly to Denver from Tucson is in February. Flight prices, which tend to average around $203, are often lower during this time because this is during the off-season. If you don’t want to visit Denver in February, then you should wait until November to fly from Tucson, when ticket prices are also cheap, with an average price of $272.

What is the cheapest day to depart on your flight to Denver?

The cheapest day to depart on your flight to Denver is on a Friday when prices can be found for as low as $447. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Denver is Sunday, with ticket prices averaging around $551.

What is the cheapest time of day to depart on your flight to Denver?

The cheapest time of day to fly to Denver is in the afternoon when flights can be purchased for as low as $407. Flights at noon are often more expensive with an average ticket price of $521.

What is the cheapest Tucson to Denver Intl flight route?

Fly from Tucson to Denver Intl for the best Tucson - Denver Intl flight prices

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

You are more likely to see cheaper flights to Denver from Tucson when booking weeks ahead of your departure date. In general, you can expect to find flights to Denver for around $311 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Denver from Tucson for as low as $254 on momondo.

What cabin class options are available on Tucson to Denver flights?

There are 4 cabin classes available to choose from on Tucson to Denver flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Tucson to Denver flights?

No. A direct flight is the cheapest option for a flight between Tucson to Denver.

How have Tucson to Denver flight prices changed over time?

As of October 2026, prices for Tucson to Denver flights are approximately 34% cheaper when compared to flights at the same time last year.

When to book flights from Tucson to Denver

Are you open to changing your travel dates? Check out the ideal times to fly from Tucson to Denver according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Tucson to Denver (TUS to DEN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Tucson to Denver

Best Price Found	$109
Fastest flight time	1h 55m
Direct flights	Every day
Airports in Denver	1 airport

The best one-way flight to Denver from Tucson in the past 72 hours is $109. The best round-trip flight deal from Tucson to Denver found on momondo in the last 72 hours is $217.

The fastest flight from Tucson to Denver takes 1h 55m

Direct flights go from Tucson to Denver every day.

There is 1 airport in Denver. From Tucson there are direct flights to Denver Intl (DEN).

Search flight deals

Frequently asked questions about flying from Tucson to Denver

How far is Tucson to Denver Intl by plane?
Tucson and Denver Intl are 616.9 mi apart from one another. In terms of flight time, this usually takes a little over 1h 55m.
When did momondo last update prices for flights from Tucson Airport to Denver Intl Airport?
Prices for flights from Tucson Airport to Denver Intl Airport refresh daily.
How many operators does momondo search for flights from Tucson Airport to Denver Intl Airport?
There are 3 operators available for flights from Tucson Airport to Denver Intl Airport as of October 2026.
How old do you have to be to fly from Tucson Airport to Denver Intl Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Tucson Airport to Denver Intl Airport.
What documentation or ID do you need to fly to Denver Intl Airport?
The travel and health documents required for your trip to Denver Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Denver Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Tucson to Denver?
momondo data reveals that the most frequently booked plane model on the route from Tucson to Denver is Airbus A319, representing 19.06% of all bookings. The subsequent popular models are Boeing 737-800 at 18.53%, Boeing 737 MAX 8 at 18.01%, and Boeing 737-800 Passenger/BBJ2 (winglets) at 10.79%.
What is the most popular airline from Tucson to Denver?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Tucson to Denver is United Airlines (47% of total bookings). The next most popular airlines are Southwest (31%) and Frontier (21%).

Best airlines flying from Tucson to Denver

Compare and see reviews for airlines that fly from Tucson to Denver with momondo

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $51	Free Cancellation	Rating 5.5 2,550 reviews	Search Frontier flights
United Airlines	PriceFrom $216	Free Cancellation	Rating 7.4 10,286 reviews	Search United Airlines flights
Southwest	PriceFrom $247	Free Cancellation	Rating 7.9 4,212 reviews	Search Southwest flights

Southwest Flights From Tucson to Denver
Across 18 Southwest flights from Tucson to Denver this week, the average price was $351, with the best Southwest deals starting from $247 round-trip. 4,212 users have rated Southwest on momondo, with an average score of 7.9/10.
United Airlines Flights From Tucson to Denver
United Airlines (7.4/10 from 10,286 reviews) operates around 21 flights from Tucson to Denver in any given week. The average United Airlines airfare for this route is around $344, with deals from around $216 rare but found on momondo. Referenced prices are for round-trip Tucson to Denver flight searches in the last 72 hours.

Breckenridge

Estes Park

Black Hawk

Aurora

Fort Collins

Westminster

Boulder

Longmont

Lakewood

Manitou Springs

Greeley

Keystone

Thornton

Centennial

Cripple Creek

Littleton

Englewood

Winter Park

Golden

Greenwood Village

Why use momondo?

Why should I use momondo to find a flight deal from Tucson to Denver?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Denver from Tucson.

Can I find flights from Tucson to Denver with flexible booking policies on momondo?

momondo does allow users to show only those flights to Denver from Tucson which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Tucson to Denver?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Tucson to Denver.

I’m not ready to book a flight from Tucson to Denver right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Denver, momondo offers a useful price alert feature which will track prices for flights to Denver from Tucson and alert you when they change.

An easier way to manage your Denver trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Airports servicing Colorado

Alamosa Airport

Aspen Pitkin County Airport

Cortez Montezuma County Airport

Colorado Springs Airport

Durango La Plata County Airport

Vail Eagle County Airport

Grand Junction Regnl Airport

Gunnison Airport

Hayden Yampa Valley Airport

Montrose County Airport

Telluride Airport

Cheap flights from Tucson to Denver from $109

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Tucson to Denver departing on 10/29. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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United Airlines flights from Tucson to Denver

Our best United Airlines deals on Tucson to Denver flight tickets

Southwest flights from Tucson to Denver

Our best Southwest deals on Tucson to Denver flight tickets

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See travel insights to Denver from

How to get the cheapest flight ticket from Tucson to Denver

What is the typical price of a round-trip flight between Tucson and Denver?

What is the cheapest month to fly to Denver?

What is the cheapest day to depart on your flight to Denver?

What is the cheapest time of day to depart on your flight to Denver?

What is the cheapest Tucson to Denver Intl flight route?

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

What cabin class options are available on Tucson to Denver flights?

Can stopping save me money on Tucson to Denver flights?

How have Tucson to Denver flight prices changed over time?

What is the cheapest airline that flies from Tucson to Denver Intl?

What airlines fly to Denver?

How many flights depart from Tucson to Denver on average per day?

How many flights depart from Tucson to Denver on average per week?

When to book flights from Tucson to Denver

Cheap Tucson to Denver (TUS to DEN) flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Airports in Denver

Frequently asked questions about flying from Tucson to Denver

Best airlines flying from Tucson to Denver

Compare and see reviews for airlines that fly from Tucson to Denver with momondo

Traveling to a place near Denver?

Why use momondo?

An easier way to manage your Denver trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Colorado

Fly your favorite airline to Denver

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Denver

List of cabin classes available on flights landing in Denver. Availability may vary depending on flight origin and airline.

Popular cities in the United States

Popular flights according to clicks in the last 7 days on momondo

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According to popular flight searches on momondo this year

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