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Cheap flights from Denver International to Tucson International

Compare Denver International to Tucson International flight deals

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Flight deals from Denver International to Tucson International

Looking for a cheap last-minute deal or the best round-trip flight from Denver International to Tucson International? Find the lowest prices on one-way and round-trip tickets right here.
Tucson.$166 per passenger.Departing Fri, Feb 27, returning Sun, Mar 1.Round-trip flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departing from Denver International on Fri, Feb 27, arriving in Tucson International.Inbound indirect flight with Frontier Airlines, departing from Tucson International on Sun, Mar 1, arriving in Denver International.Price includes taxes and charges.From $166, select.
Tucson.$172 per passenger.Departing Thu, Feb 5, returning Sun, Feb 8.Round-trip flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departing from Denver International on Thu, Feb 5, arriving in Tucson International.Inbound indirect flight with Frontier Airlines, departing from Tucson International on Sun, Feb 8, arriving in Denver International.Price includes taxes and charges.From $172, select.
Tucson.$177 per passenger.Departing Fri, Feb 27, returning Sun, Mar 1.Round-trip flight with United.Outbound direct flight with United departing from Denver International on Fri, Feb 27, arriving in Tucson International.Inbound direct flight with United departing from Tucson International on Sun, Mar 1, arriving in Denver International.Price includes taxes and charges.From $177, select.
Tucson.$177 per passenger.Departing Fri, Feb 13, returning Sun, Feb 15.Round-trip flight with United.Outbound direct flight with United departing from Denver International on Fri, Feb 13, arriving in Tucson International.Inbound direct flight with United departing from Tucson International on Sun, Feb 15, arriving in Denver International.Price includes taxes and charges.From $177, select.
Tucson.$198 per passenger.Departing Fri, Jan 30, returning Sun, Feb 8.Round-trip flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departing from Denver International on Fri, Jan 30, arriving in Tucson International.Inbound indirect flight with Frontier Airlines, departing from Tucson International on Sun, Feb 8, arriving in Denver International.Price includes taxes and charges.From $198, select.
Tucson.$210 per passenger.Departing Fri, Jan 16, returning Mon, Jan 19.Round-trip flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departing from Denver International on Fri, Jan 16, arriving in Tucson International.Inbound indirect flight with Frontier Airlines, departing from Tucson International on Mon, Jan 19, arriving in Denver International.Price includes taxes and charges.From $210, select.
Tucson.$225 per passenger.Departing Sat, Jan 31, returning Mon, Feb 9.Round-trip flight with United.Outbound direct flight with United departing from Denver International on Sat, Jan 31, arriving in Tucson International.Inbound direct flight with United departing from Tucson International on Mon, Feb 9, arriving in Denver International.Price includes taxes and charges.From $225, select.
Tucson.$255 per passenger.Departing Wed, Mar 4, returning Wed, Mar 11.Round-trip flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departing from Denver International on Wed, Mar 4, arriving in Tucson International.Inbound direct flight with Southwest Airlines departing from Tucson International on Wed, Mar 11, arriving in Denver International.Price includes taxes and charges.From $255, select.

Find the cheapest month to fly from Denver International to Tucson International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Denver International to Tucson International flights are currently cheapest in February.
Dec
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Jan
from $210
Feb
from $172
Mar
from $255
Apr
from $311
May
from $311
Jun
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Jul
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Aug
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Sep
from $311
Oct
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Nov
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Direct flights from Denver International to Tucson International

Denver International to Tucson International: Alternative routes

Compare routes from Denver International to Tucson below. You may find an airport to fly into that's cheaper, faster, or easier than Tucson International.

Denver to Tucson: Flight information

The things to know before you go.
Cheapest flight found$166
Cheapest month to flyFebruary
Average flight time2 hrs, 8 mins
Most popular airlineAir Canada
Average flights per week133

Finding cheap flights from Denver International to Tucson International: Frequently asked questions

The best price we found for a round-trip flight from Denver International to Tucson International is $166. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
2 hours and 8 minutes is the average flight time from Denver International to Tucson International.
Air Canada, United and Southwest Airlines fly direct from Denver International to Tucson International.
There are 133 flights per week flying from Denver International to Tucson International, as of December 2025.
The cheapest month to fly from Denver International to Tucson International is usually February.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Denver International Airport to Tucson International Airport on Friday, February 27, 2026.
Yes – the average flight time is 2 hours and 8 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Tucson International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
Currently, Frontier Airlines and United offer the cheapest flight tickets to Tucson International.

Traveling from Denver International Airport (DEN) to Tucson International Airport (TUS): what you need to know

  • Around 2 hours is how long you'll be traveling on a direct flight from Denver International Airport to Tucson International Airport.

  • Flights from DEN to TUS start from 07:45 — the first with United Airlines. The last departure is at 22:50 with Southwest Airlines. In total, you can take your pick of 54 weekly Denver International Airport to Tucson International Airport flights.

  • For a smooth journey, arrive at the airport two hours ahead of international flights and one hour before domestic departures. This will give you enough time to board your DEN to TUS flight.

  • Traveling during a peak time such as July? School holidays and other popular periods can result in longer queues at security. Be extra cautious and get there up to four hours before international flights and two hours before domestic departures.

  • United Airlines is your gateway to exploring Tucson (and perhaps some other great corners of United States!). Browse the direct flights from Denver International Airport to Tucson International Airport offered by this airline.

  • United Airlines is the top choice for travelers on this route.

  • With a dependable 84.23% of services arriving as scheduled, United Airlines has the best on-time performance for DEN to TUS flights.

  • We make it a cinch to book a flight with a stopover. To see all your options for tickets from Denver International Airport to Tucson International Airport, uncheck 'Direct flights only.' Then, pick a flight offering a stop long enough to explore the city of your choice. Stopovers between DEN and TUS include:

    • Phoenix Sky Harbor International Airport

    • Harry Reid Airport (formerly McCarran Airport)

    • Salt Lake City International Airport

How to find the cheapest flights from Denver International Airport (DEN) to Tucson International Airport (TUS)

  • The lowest price we've found for a one-way Denver International Airport to Tucson International Airport flight is $121. A round-trip fare is currently $166. Depending on the availability and when you book, these fares could change.

  • Book six months before you travel. After crunching the numbers on our calendar, this is how far you should book ahead to secure cheap tickets from DEN to TUS.

  • May is the cheapest month for flights from Denver International Airport to Tucson International Airport. If you're looking to fly during a different time of year, the 'Whole month' tool will give you the lowest airfares for each month.

  • Snapping up cheap flights from DEN to TUS is a cinch with Price Alerts. All you need to do is set up one of these automatic alerts and we'll let you know when a new deal comes up.

  • Find the perfect flight for you by using the filters. To see the 'Fastest,' 'Best' or 'Cheapest' flights from Denver International Airport to Tucson International Airport, use the 'Sort by' function. You can also filter by airline, arrival and departure times, and number of stops.

Handy information about Denver International Airport (DEN)

  • DEN is located at 8500 Pena Boulevard.

  • Denver International Airport earns top marks for on-time performance. 80.23% of flights that take off from DEN reach their destination on time.

  • Denver International Airport is around 40 kilometers from central Denver. If you're ride-sharing, catching a cab or driving from the center, it'll take 35 minutes or so to arrive, depending on the traffic.

  • The trip when using public transport typically takes 1 hour 30 minutes.

  • Want a place to stay before your flight from Denver International Airport to Tucson International Airport? Consider Baymont by Wyndham Denver International Airport. Enjoy a good night's sleep here before heading to DEN.

Arriving at Tucson International Airport (TUS)

Getting from Tucson International Airport (TUS) to central Tucson

  • You'll find TUS at 7005 South Plumer Ave..

  • From Tucson International Airport, Tucson is approximately 21 kilometers away. It takes around 20 minutes to reach the center by car.

  • Getting there by public transport will take you around 3 hours 5 minutes.

When to fly to Tucson International Airport (TUS)

  • October is the most popular month for flights from Denver International Airport to Tucson International Airport. To avoid the crowds, go to Tucson in May.

  • Book your flight from Denver International Airport to Tucson International Airport for June if you'd like to explore Tucson during its warmest month. Expect temperatures of between 19ºC (66ºF) and 38ºC (100ºF).

  • January sees average temperatures of between 2ºC (36ºF) and 20ºC (68ºF). Look for cheap tickets from DEN to TUS sometime around then if you'd rather travel in cooler conditions.

Explore more of United States

  • You've seen Tucson, now it's time to discover more of United States. Journey about 161 kilometers north-west to Phoenix to check off its must-visit sights. From Desert Botanical Garden to Heard Museum and Papago Park, there's plenty to keep you busy.

  • If there's time to check out another side of United States, consider El Paso, roughly 434 kilometers east of Tucson. Franklin Mountains State Park, Wyler Aerial Tramway and Chamizal National Memorial are key highlights.

More travel options

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.