Cheap Flights from Denver to Tucson International

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Flight deals from Denver to Tucson International

Looking for a cheap last-minute deal or the best return flight from Denver to Tucson International? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Denver to Tucson International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Denver to Tucson International flights are currently cheapest in March.

Direct flights from Denver to Tucson International

Denver to Tucson International: Alternative routes

Compare routes from Denver 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 foundR 1,562
Cheapest month to flyMarch
Average flight time2 hrs, 9 mins
Most popular airlineSouthwest Airlines
Average flights per week152

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

The best price we found for a return flight from Denver to Tucson International is R 3,441. 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 9 minutes is the average flight time from Denver to Tucson International.
Southwest Airlines, United and Air Canada fly direct from Denver to Tucson International.
As of February 2026, there are 152 flights per week flying from Denver to Tucson International.
The cheapest month to fly from Denver to Tucson International is usually April.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Denver to Tucson International Airport on Friday, 10 April 2026.
Yes – the average flight time is 2 hours and 9 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.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Tucson is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to Tucson International is United .

Travelling from Denver to Tucson International Airport (TUS): What you need to know

  • Put your plans into motion at Denver International Airport (DEN), the main airport in Denver. Look for flights from Denver to Tucson International Airport (TUS) that depart from this terminal.

  • Around 2 hours 5 minutes is how long you'll be in the air on a direct Denver to Tucson International Airport flight.

  • Tucson International Airport is located in Tucson. The city operates on the UTC-7 timezone and is one hour behind Denver.

  • With 44 direct weekly flights between the two airports, Denver International Airport (DEN) to Tucson International Airport (TUS) is the busiest route. United Airlines operates the earliest flight at 7:45am. If you're eager to make the most of your day before taking off, the last departure from DEN to TUS is with Southwest Airlines at 10:55pm.

  • Arrive at the airport on time so you don't miss your flight from Denver to TUS. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid sprinting to your gate.

  • High season means busier airports, so plan to arrive even earlier. Give yourself at least two hours before a domestic flight and four hours for international journeys to stick to your schedule.

Airports in Denver

Denver International Airport (DEN)

  • Get there in one go from Denver International Airport (DEN). Direct flights from Denver to Tucson International Airport (TUS) are available from here.

  • At DEN, there's a range of carriers that operate direct flights from Denver to Tucson International Airport, including:

  • United Airlines is the airline most travellers choose for flights from DEN to TUS.

  • With an impressive 84.23% of services landing on schedule, United Airlines is the best-performing carrier for punctuality on this route.

  • Travelling from central Denver to DEN takes around 1 hour 30 minutes on public transport. If you ride-share, drive or get a cab, you'll cover the 40 kilometres in 35 minutes or so, depending on traffic conditions.

  • Get your flight from Denver to Tucson International Airport off to a leisurely start. Just a short ride from Denver International Airport, stay at Baymont by Wyndham Denver International Airport and you'll be well-rested for the journey ahead.

  • Denver International Airport gets high marks for on-time performance. 80.23% of flights that take off from DEN arrive at their destination without delay.

  • DEN is located at 8500 Pena Boulevard.

About Tucson International Airport (TUS)

Getting from Tucson International Airport (TUS) to central Tucson

  • Central Tucson is around 21 kilometres from Tucson International Airport and takes about 20 minutes to reach by car. Explore your options for getting into the city, whether that's with a car hire, cab or ride-share.

  • Travelling on public transport will take you roughly 3 hours 5 minutes.

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

  • R 1,562 is the best price for a one-way ticket from Denver to Tucson International Airport. A return flight starts from R 3,441. These fares may change based on availability and demand.

  • Don't leave everything to the last minute. You're more likely to find cheap flights from Denver to TUS if you book in advance. Airlines often offer some fantastic early bird rates.

  • Affordable Denver to Tucson International Airport tickets are easier to find if you're not locked into specific dates. Use the 'Whole month' search function to compare fares throughout the month and then fly out on the cheapest day.

  • Never miss a deal on plane tickets from Denver to TUS by creating a Price Alert. We'll send you an email or notification on the app when a lower fare pops up.

  • Tailor your travel plans using filters. Pick your preferred arrival and departure times, airlines and total journey duration. You can also sort your results by 'Best,' 'Cheapest' or 'Fastest' flights from Denver to Tucson International Airport.

The best time to fly from Denver to Tucson International Airport (TUS)

  • May is the quietest month for flights from Denver to Tucson International Airport (TUS), while October is the busiest. Find the ideal time to visit Tucson based on whether you like a lively atmosphere or a more laid-back vibe.

  • When booking your Denver to TUS plane ticket, consider what kind of weather you prefer. June is the warmest month in Tucson, with temperatures ranging from 19ºC (66ºF) to 38ºC (100ºF).

  • If you want cooler conditions, look for a cheap ticket from Denver to Tucson International Airport in January when temperatures are between 2ºC (36ºF) and 20ºC (68ºF).

More about Tucson

Explore more of the United States

  • Phoenix is just one of the many places in the United States waiting to be discovered once you've taken in the sights of Tucson. Around 177 kilometres away to the north-west, top sights here include Camelback Mountain, Cholla Trailhead Camelback Mountain and Yayoi Kusama Fireflies Infinity Mirror Room.

  • Mesa is another standout destination in the United States and is around 161 kilometres north-west of Tucson. No journey is complete without seeing Mesa Arts Centre, Commemorative Air Force Museum and Arizona Museum of Natural History.

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