101 € Cheap Flights from Tucson International to Denver International

Compare Tucson International to Denver International flight deals

Find the cheapest month or even day of the year to fly to Denver International

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Flight deals from Tucson International to Denver International

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

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

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

Direct flights from Tucson International to Denver International

Tucson International to Denver International: Alternative routes

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

Tucson to Denver: Flight information

The things to know before you go.
Cheapest flight found101 €
Cheapest month to flySeptember
Average flight time2 hrs
Most popular airlineSouthwest Airlines
Average flights per week115

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

The best price we found for a return flight from Tucson International to Denver International is 101 €. 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 is the average flight time from Tucson International to Denver International.
Southwest Airlines, United and SkyWest Airlines fly direct from Tucson International to Denver International.
As of July 2025, there are 115 flights per week flying from Tucson International to Denver International.
The cheapest month to fly from Tucson International to Denver International is usually September.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Tucson International Airport to Denver International Airport on Thursday, 4 September 2025.
Yes – the average flight time is 2 hours.
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 Denver 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 Denver is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Frontier Airlines offers the cheapest flight tickets to Denver International.

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

  • Book a direct flight from Tucson International Airport to Denver International Airport and you'll be travelling for an average of 2 hours.

  • Denver is one hour ahead of Tucson and follows the UTC-6 timezone.

  • Flights from TUS to DEN start at 05:00 — the first with Southwest Airlines. The latest departure is at 20:05 with Southwest Airlines. In total, there are 54 weekly Tucson International Airport to Denver International Airport flights.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are golden rules for hassle-free flying. Make sure you're at the airport on time to catch your TUS to DEN flight.

  • During popular months such as October, it's a good idea to get to the airport earlier. Arrive two hours before a domestic departure and four hours ahead for international flights whenever you're flying during a peak period in general.

  • United Airlines has direct flights from Tucson International Airport to Denver International Airport. Book with this popular airline, then get ready to discover the sights in Denver — and maybe even more of United States if your schedule allows.

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

  • United Airlines is the most punctual carrier that operates TUS to DEN flights. An impressive 89.0% of its departures on this route land as scheduled.

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

  • Right now, 59 € is the lowest price we've seen for a one-way Tucson International Airport to Denver International Airport flight. The best price for a return ticket is 101 €. Bear in mind that fares could change due to availability when booking.

  • Score cheap tickets from TUS to DEN by booking at least seven months ahead. According to our research, that's the sweet spot for finding a bargain.

  • June is the cheapest month for flights from Tucson International Airport to Denver International Airport. If you want to travel during a different time of year, the 'Whole month' tool will show you the lowest prices across every month.

  • There's no need to check every day to find out if fares have gone down when you create a Price Alert. We'll send you an update the moment there's a better deal on cheap flights from TUS to DEN.

  • Discover the right flight for you with the help of the filters. To see the 'Best,' 'Cheapest' or 'Fastest' flights from Tucson International Airport to Denver International Airport, use the 'Sort by' function. You can also filter results by departure and arrival times, airline, and journey duration.

Handy information about Tucson International Airport (TUS)

  • TUS is located at 7005 South Plumer Ave..

  • Tucson International Airport maintains a solid on-time performance, reducing your chances of a delayed flight. Departures from TUS arrive at their destination as scheduled 84.8% of the time.

  • To reach Tucson International Airport from central Tucson, it takes around 20 minutes by car. This depends on traffic though. It's approximately 21 kilometres from the airport to the city centre.

  • Planning to take public transport? You can expect a journey time of around 3 hours 5 minutes.

  • Looking for a convenient hotel near TUS? If you're boarding an early flight from Tucson International Airport to Denver International Airport, these stays will have you moments from your check-in counter:

Arriving at Denver International Airport (DEN)

  • Consider checking in to Baymont by Wyndham Denver International Airport after your Tucson International Airport to Denver International Airport flight. It's not too far from DEN and a great option if you want to get some sleep right away.

  • Go wherever you want, whenever you want with a Denver International Airport rental car. Pick up a set of wheels from Routes Car Rentals, Dollar or Budget and discover more of Denver and beyond.

  • Secure the lowest price by booking your vehicle from Denver International Airport around one week before your trip.

Getting from Denver International Airport (DEN) to central Denver

  • The address for DEN is 8500 Pena Boulevard.

  • Denver International Airport to central Denver has a drive time of around 35 minutes. It's approximately 40 kilometres away.

  • If you're travelling on public transport, expect a journey time of about 1 hour 30 minutes.

When to fly to Denver International Airport (DEN)

  • The quietest month for a flight from Tucson International Airport to Denver International Airport is April, while July is the most popular. Pick the ideal time to go to Denver based on whether you prefer a more fast-paced or easygoing experience.

  • The warmest month in Denver is July, with the temperature ranging between 14ºC (57ºF) and 32ºC (90ºF). Book your flights from Tucson International Airport to Denver International Airport in this month if this is the kind of weather you like.

  • Look for cheap tickets from TUS to DEN in January if you'd rather travel during cooler conditions. Temperatures are at their lowest around then, ranging between -9ºC (16ºF) and 7ºC (45ºF) on average.

Explore more of United States

  • You've done Denver, now it's time to discover other parts of United States. Journey about 105 kilometres south to Colorado Springs to tick off its must-visit sights. From US Northern Command (USNORTHCOM) / North American Aerospace Defence Command (NORAD) Headquarters to Cheyenne Mountain Air Force Station and National Strength and Conditioning Association (NSCA), your itinerary will be busy.

  • Around 13 kilometres east of Denver, Aurora is another essential stop in United States. Get a taste of what this destination has to offer at Magellan's Travel Solutions and Gear, The Fairways at Lowry and Retired Enlisted Association Inc.

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