Direct flights from Tucson to Denver
All flights from TUS to DEN non-stop. There are direct flights from Tucson International (TUS), Arizona, USA to Denver International (DEN), Colorado, USA with Southwest Airlines, United Airlines and Frontier Airlines. 36 weekly departures are currently scheduled on this route. Departure times range from 05:00 to 18:10 depending on the schedule period. The flight distance is 642 miles (1033 km). Flight time ranges from 1 hour and 45 minutes to 2 hours and 10 minutes.
Tucson
, USA
Airlines with non-stop routes:
Southwest Airlines
United Airlines
Frontier Airlines
Flight schedule from Tucson to Denver with Southwest Airlines
This is a weekly direct flight schedule for Southwest Airlines. Use the arrows or click on the date to change week. Click on any flight departure time to show more information and check availability.
Flight
The timetable & schedule information was updated at 2026-06-29
Flight schedule from Tucson to Denver with United Airlines
This is a weekly direct flight schedule for United Airlines. Use the arrows or click on the date to change week. Click on any flight departure time to show more information and check availability.
Flight
The timetable & schedule information was updated at 2026-06-29
Flight schedule from Tucson to Denver with Frontier Airlines
This is a weekly direct flight schedule for Frontier Airlines. Use the arrows or click on the date to change week. Click on any flight departure time to show more information and check availability.
Flight
The timetable & schedule information was updated at
Tucson to Denver scheduled departures
Select a date to see every published non-stop departure between TUS and DEN.
TUS - DEN route facts
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Distance642 miles (1033 km)
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Flight time1 hour and 45 minutes to 2 hours and 10 minutes
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Airlines Southwest United Frontier
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Airline alliancesLow-cost carrier Star Alliance
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CabinsEconomy Business First
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Hub airportsUnited Airlines: DEN
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AircraftSouthwest Airlines: Boeing 737MAX 8 Passenger, Boeing 737-700 Passenger (Scimitar Winglets) and Boeing 737-800 (winglets) Passenger/BBJ2United Airlines: Boeing 737-800 Passenger, Boeing 737-900 Passenger, Airbus A319, Airbus A320, Embraer 175 (Enhanced Winglets) and Boeing 737MAX 9 PassengerFrontier Airlines: Airbus A320neo
