Airlines with flights from Denver to Tucson
There are five airlines with scheduled flights between DEN and TUS. Southwest, United and Frontier has non-stop flights from Denver International to Tucson International and the flight time is 2 hours.
Choose airline
Schedules
Non-stop with Southwest Airlines
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Total flight time: 2 hours
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Low-cost airline
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Denver is a Southwest Airlines focus city (Operating base).
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23 flights per week
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Boeing 737-800 (winglets) Passenger/BBJ2Boeing 737MAX 8 PassengerBoeing 737-700 Passenger (Scimitar Winglets)
Flight
The timetable & schedule information was updated at 2026-04-21
Non-stop with United Airlines
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Total flight time: 2 hours and 3 minutes
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Denver is a United Airlines hub.
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13 flights per week
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Airbus A319Airbus A320
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Business and first class available
Flight
The timetable & schedule information was updated at 2026-04-21
Non-stop with Frontier Airlines
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Total flight time: 2 hours and 2 minutes
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Low-cost airline
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Denver is a Frontier Airlines focus city (Operating base).
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2 flights per week
Flight
The timetable & schedule information was updated at 2026-04-21
Via Phoenix with American Airlines
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Total flight time: 3h 11m - 6h 04m.
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One World Alliance
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133 flights per week
Flight
AA6367
AA3142
AA6369
AA6373
AA2635
The timetable & schedule information was updated at 2026-04-21
Via Phoenix with Southwest Airlines
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Total flight time: 3h 20m - 7h 55m.
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Low-cost airline
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Denver is a Southwest Airlines focus city (Operating base).
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93 flights per week
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Boeing 737-800 (winglets) Passenger/BBJ2Boeing 737MAX 8 PassengerBoeing 737-700 Passenger (Scimitar Winglets)
Flight
WN4870
WN1599
WN1599
WN1599
WN4870
WN1599
WN2065
WN2065
WN1684
WN3358
WN2065
WN3564
WN1684
WN3358
WN3564
WN3564
The timetable & schedule information was updated at 2026-04-21
Via Las Vegas with Southwest Airlines
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Total flight time: 3h 55m - 8h 25m.
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Low-cost airline
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Denver is a Southwest Airlines focus city (Operating base).
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193 flights per week
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Boeing 737-800 (winglets) Passenger/BBJ2Boeing 737MAX 8 PassengerBoeing 737-700 Passenger (Scimitar Winglets)
Flight
WN519
WN519
WN519
WN3992
WN3992
WN2377
WN2377
WN3992
WN2377
WN1328
WN1302
WN1302
WN1328
WN2948
WN1302
WN2948
The timetable & schedule information was updated at 2026-04-21
Via Salt Lake City with Delta Air Lines
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Total flight time: 4h 04m - 6h 06m.
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Sky Team Alliance
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106 flights per week
Flight
DL3718
DL3718
DL3717
DL4054
The timetable & schedule information was updated at 2026-04-21

There are five airlines with scheduled flights between DEN and TUS. Southwest, United and Frontier has non-stop flights from Denver International to Tucson International and the flight time is 2 hours.