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

Frontier, Southwest, and United Airlines are the most popular carriers operating from Denver Intl to Tucson

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

The number of flights available between Denver and Tucson is 10 per day as of September 2025. The most frequent departure time is 7:00PM, with 46% of daily flights leaving in the evening.

What airlines fly to Tucson?

United Airlines, Southwest and Frontier are the top three most popular airlines that fly to Tucson from Denver 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 Tucson. Keep in mind that there are 5 different airlines that fly to Tucson on a routine basis, so you have a few additional options to choose from.

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

As of September 2025, there are 70 flights per week flying from Denver to Tucson. The most common day of the week flights depart is Fri, with 20% of flights taking off on this day.

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

Prices for flights from Denver Intl Airport to Tucson Airport are updated daily.

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

There are 4 operators available for flights from Denver Intl Airport to Tucson Airport as of September 2025.

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Denver Intl Airport to Tucson Airport.

What documentation or ID do you need to fly to Tucson Airport?

The travel and health documents required for your trip to Tucson 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 Tucson Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$39 Cheap Flights from Denver to Tucson in 2025/26

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Find the cheapest flights from Denver to Tucson

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

9:48 am - 10:47 amDEN-TUS

1h 59mnonstop

5:45 pm - 12:17 amTUS-DEN

6h 32m1 stop

$109Frontier

Find Deal

jue., oct. 30 - dom., nov. 2

9:48 am - 10:45 amDEN-TUS

1h 57mnonstop

11:35 am - 2:32 pmTUS-DEN

1h 57mnonstop

$124Frontier

Find Deal

jue., oct. 2 - dom., oct. 5

9:48 am - 10:47 amDEN-TUS

1h 59mnonstop

2:20 pm - 3:59 amTUS-DEN

13h 39m1 stop

$126Frontier

Find Deal

jue., oct. 30 - dom., nov. 2

10:00 am - 1:51 pmDEN-TUS

4h 51m1 stop

11:35 am - 2:32 pmTUS-DEN

1h 57mnonstop

$128Frontier

Find Deal

lun., sep. 29 - vie., oct. 3

9:48 am - 10:47 amDEN-TUS

1h 59mnonstop

5:45 pm - 12:17 amTUS-DEN

6h 32m1 stop

$129Frontier

Find Deal

jue., oct. 30 - dom., nov. 2

11:25 am - 12:28 pmDEN-TUS

2h 03mnonstop

4:25 pm - 7:24 pmTUS-DEN

1h 59mnonstop

$133United Airlines

Find Deal

mar., sep. 30 - vie., oct. 10

2:00 pm - 3:05 pmDEN-TUS

2h 05mnonstop

6:00 am - 8:55 amTUS-DEN

1h 55mnonstop

$149United Airlines

Find Deal

jue., oct. 2 - dom., oct. 5

6:00 am - 9:54 amDEN-TUS

4h 54m1 stop

5:15 pm - 11:29 pmTUS-DEN

5h 14m1 stop

$169American Airlines

Find Deal

vie., oct. 3 - lun., oct. 6

10:04 am - 1:35 pmDEN-TUS

27h 31m2 stops

2:20 pm - 11:53 pmTUS-DEN

9h 33m1 stop

$206

Find Deal

jue., nov. 6 - lun., nov. 10

10:55 pm - 1:35 pmDEN-TUS

14h 40m2 stops

2:20 pm - 11:53 pmTUS-DEN

9h 33m1 stop

$225

Find Deal

sáb., nov. 8 - lun., nov. 10

Frontier flights from Denver to Tucson

Our best Frontier deals on Denver to Tucson flight tickets

Frontier

Oct 30

DEN9:48 amDenver Intl

1h 59m

TUS10:47 amTucson

Nov 2

TUS5:45 pmTucson

6h 32m

1 stop

DEN12:17 amDenver Intl

$109

Find similar

Frontier

Oct 2

DEN9:48 amDenver Intl

1h 57m

TUS10:45 amTucson

Oct 5

TUS11:35 amTucson

1h 57m

DEN2:32 pmDenver Intl

$124

Find similar

Frontier

Oct 30

DEN9:48 amDenver Intl

1h 59m

TUS10:47 amTucson

Nov 2

TUS2:20 pmTucson

13h 39m

1 stop

DEN3:59 amDenver Intl

$126

Find similar

United Airlines flights from Denver to Tucson

Our best United Airlines deals on Denver to Tucson flight tickets

United Airlines

Sep 30

DEN11:25 amDenver Intl

2h 03m

TUS12:28 pmTucson

Oct 10

TUS4:25 pmTucson

1h 59m

DEN7:24 pmDenver Intl

$133

Find similar

United Airlines

Oct 2

DEN2:00 pmDenver Intl

2h 05m

TUS3:05 pmTucson

Oct 5

TUS6:00 amTucson

1h 55m

DEN8:55 amDenver Intl

$149

Find similar

United Airlines

Dec 17

DEN1:46 pmDenver Intl

2h 05m

TUS3:51 pmTucson

Dec 18

TUS5:45 pmTucson

1h 53m

DEN7:38 pmDenver Intl

$203

Find similar

Fly from

Fly to

Route

Depart

Return

Price

DenverTucson

DEN - TUS

DENTUS

Denver Intl

jue. 10/30

9:48 am-10:47 am

Nonstop1h 59m

Tucson

dom. 11/2

5:45 pm-12:17 am

1 stop6h 32m

$109

DenverTucson

DEN - TUS

DENTUS

Denver Intl

jue. 10/2

9:48 am-10:45 am

Nonstop1h 57m

Tucson

dom. 10/5

11:35 am-2:32 pm

Nonstop1h 57m

$124

DenverTucson

DEN - TUS

DENTUS

Denver Intl

jue. 10/30

9:48 am-10:47 am

Nonstop1h 59m

Tucson

dom. 11/2

2:20 pm-3:59 am

1 stop13h 39m

$126

DenverTucson

DEN - TUS

DENTUS

Denver Intl

lun. 9/29

10:00 am-1:51 pm

1 stop4h 51m

Tucson

vie. 10/3

11:35 am-2:32 pm

Nonstop1h 57m

$128

DenverTucson

DEN - TUS

DENTUS

Denver Intl

jue. 10/30

9:48 am-10:47 am

Nonstop1h 59m

Tucson

dom. 11/2

5:45 pm-12:17 am

1 stop6h 32m

$129

DenverTucson

DEN - TUS

DENTUS

Denver Intl

mar. 9/30

11:25 am-12:28 pm

Nonstop2h 03m

Tucson

vie. 10/10

4:25 pm-7:24 pm

Nonstop1h 59m

$133

DenverTucson

DEN - TUS

DENTUS

Denver Intl

jue. 10/2

2:00 pm-3:05 pm

Nonstop2h 05m

Tucson

dom. 10/5

6:00 am-8:55 am

Nonstop1h 55m

$149

DenverTucson

DEN - TUS

DENTUS

Denver Intl

vie. 10/3

6:00 am-9:54 am

1 stop4h 54m

Tucson

lun. 10/6

5:15 pm-11:29 pm

1 stop5h 14m

$169

DenverTucson

DEN - TUS

DENTUS

Denver Intl

jue. 11/6

10:04 am-1:35 pm

2 stops27h 31m

Tucson

lun. 11/10

2:20 pm-11:53 pm

1 stop9h 33m

$206

DenverTucson

DEN - TUS

DENTUS

Denver Intl

sáb. 11/8

10:55 pm-1:35 pm

2 stops14h 40m

Tucson

lun. 11/10

2:20 pm-11:53 pm

1 stop9h 33m

$225

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 Denver to Tucson

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 cheapest month to fly to Tucson?

In general, April is the cheapest month to fly from Denver to Tucson. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $217. If you don’t want to visit Tucson in April, then you should wait until September to fly from Denver, when ticket prices are also cheap, with an average price of $217.

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

According to our data, Wednesday is the cheapest day to fly to Tucson from Denver. The lowest ticket price found for a Wednesday departure recently was $253. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Denver to Tucson for around $303.

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

In the morning is the cheapest time of day to fly from Denver to Tucson when you can find flight prices for as low as $255. Flying to Tucson in the morning is an ideal time because this is during off-peak travel hours. Flights in the afternoon are often more expensive with an average ticket price of $320.

What is the cheapest Denver Intl to Tucson flight route?

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

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

You are more likely to see cheaper flights to Tucson from Denver when booking weeks ahead of your departure date. In general, you can expect to find flights to Tucson for around $272 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Tucson from Denver for as low as $204 on momondo.

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

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

How have Denver to Tucson flight prices changed over time?

As of September 2025, prices for Denver to Tucson flights are approximately 21% more expensive when compared to flights at the same time last year.

When to book flights from Denver to Tucson

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

Estimated round-trip price

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

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

Best Price Found	$178
Fastest flight time	1h 55m
Direct flights	Every day
Airports in Tucson	1 airport

The best one-way flight to Tucson from Denver in the past 72 hours is $178. The best round-trip flight deal from Denver to Tucson found on momondo in the last 72 hours is $147.

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

Direct flights go from Denver to Tucson every day.

There is 1 airport near Tucson: Tucson (TUS)

Search flight deals

How far is Denver Intl to Tucson by plane?
Tucson is 616.9 mi away from Denver Intl. Typically, this will take 1h 57m by plane in normal conditions.
When did momondo last update prices for flights from Denver Intl Airport to Tucson Airport?
Prices for flights from Denver Intl Airport to Tucson Airport are updated daily.
How many operators does momondo search for flights from Denver Intl Airport to Tucson Airport?
There are 4 operators available for flights from Denver Intl Airport to Tucson Airport as of September 2025.
How old do you have to be to fly from Denver Intl Airport to Tucson Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Denver Intl Airport to Tucson Airport.
What documentation or ID do you need to fly to Tucson Airport?
The travel and health documents required for your trip to Tucson 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 Tucson 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 Denver to Tucson?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Denver to Tucson is Boeing 737-800 Passenger/BBJ2 (winglets) (15.93% of total bookings). The next most popular plane models are Boeing 737 MAX 8 (15.60%), Embraer 175 (Enhanced Winglets) (14.18%), and Boeing 737-800 (13.43%).
What is the most popular airline from Denver to Tucson?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Denver to Tucson is United Airlines (47% of total bookings). The next most popular airlines are Southwest (30%), Frontier (21%), and American Airlines (2%).

Best airlines flying from Denver to Tucson

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

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $47	Free Cancellation	Rating 5.8 3,172 reviews	Search Frontier flights
United Airlines	PriceFrom $157	Free Cancellation	Rating 7.4 8,929 reviews	Search United Airlines flights
Southwest	PriceFrom $184	Free Cancellation	Rating 8.0 4,242 reviews	Search Southwest flights
American Airlines	PriceFrom $266	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights

Southwest Flights From Denver to Tucson
Southwest is one of the most popular airlines flying from Denver to Tucson, operating 20 flights/week on average for this route. A good Southwest flight deal for Denver to Tucson starts from $184 round-trip, up to an average price of $295. Our users have rated Southwest at 8.0/10.
United Airlines Flights From Denver to Tucson
United Airlines is also a popular choice for this route. United Airlines flight deals for Denver to Tucson start from as low as $157 round-trip, depending on your selected dates, with average United Airlines deals seen on momondo around $302. United Airlines operates 19 flights to Tucson from Denver in an average week. Users have rated it 7.4/10 across 8,929 reviews.

Tombstone

Bisbee

Sierra Vista

Oro Valley

Green Valley

Douglas

Nogales

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Denver to Tucson. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. momondo enables you to select and highlight flights to Tucson from Denver with this policy.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Tucson from Denver.

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

Price alerts on flights to Tucson from Denver are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.