Airlines with flights from Tucson to Denver

There are five airlines with scheduled flights between TUS and DEN. Southwest, United and Frontier has non-stop flights from Tucson International to Denver International and the flight time is 1 hour and 55 minutes.

Choose airline

Schedules

Southwest Airlines

Non-stop with Southwest Airlines

  • Total flight time: 1 hour and 55 minutes
  • Low-cost airline
  • Denver is a Southwest Airlines focus city (Operating base).
  • 20 flights per week
  • Boeing 737-800 (winglets) Passenger/BBJ2
    Boeing 737MAX 8 Passenger
    Boeing 737-700 Passenger (Scimitar Winglets)
TUS
Direct
DEN

The timetable & schedule information was updated at 2026-04-22

United Airlines

Non-stop with United Airlines

  • Total flight time: 2 hours and 3 minutes
  • Denver is a United Airlines hub.
  • 13 flights per week
  • Airbus A320
    Airbus A319
  • Business and first class available
TUS
Direct
DEN

The timetable & schedule information was updated at 2026-04-22

Frontier Airlines

Non-stop with Frontier Airlines

  • Total flight time: 2 hours and 2 minutes
  • Low-cost airline
  • Denver is a Frontier Airlines focus city (Operating base).
  • 2 flights per week
TUS
Direct
DEN

The timetable & schedule information was updated at 2026-04-22

American Airlines

Via Phoenix with American Airlines

  • Total flight time: 3h 06m - 5h 51m.
  • One World Alliance
  • 369 flights per week
TUS
 
Via PHX
 
DEN
 
Flight
Mon
Jul 13
Tue
Jul 14
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Jul 16
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Jul 17
Sat
Jul 18
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Jul 19
AA2622
AA1757
05:50
05:50
05:50
05:50
05:50
05:50
05:50
AA4900
AA1757
07:04
07:04
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07:04
07:04
07:04
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AA6369
AA1638
11:37
11:37
11:37
11:37
11:40
11:37
11:40
AA4189
AA1638
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13:38
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13:38
AA4935
AA1638
13:41
13:42
13:41
13:41
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13:41
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AA6368
AA3255
17:20
17:20
17:20
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AA4126
AA3255
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----
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18:30
18:30
18:30
18:30
SHOW RETURN SCHEDULE
CHECK PRICES FOR TUS - DEN

The timetable & schedule information was updated at 2026-04-22

Southwest Airlines

Via Phoenix with Southwest Airlines

  • Total flight time: 3h 15m - 7h 10m.
  • Low-cost airline
  • Denver is a Southwest Airlines focus city (Operating base).
  • 34 flights per week
  • Boeing 737-800 (winglets) Passenger/BBJ2
    Boeing 737MAX 8 Passenger
    Boeing 737-700 Passenger (Scimitar Winglets)
TUS
 
Via PHX
 
DEN
 
Flight
Mon
Jul 13
Tue
Jul 14
Wed
Jul 15
Thu
Jul 16
Fri
Jul 17
Sat
Jul 18
Sun
Jul 19
WN3893
WN240
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05:40
05:40
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WN2661
WN28
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05:40
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WN478
WN4058
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07:10
WN1467
WN3261
07:20
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07:20
07:20
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WN4085
WN4758
14:25
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14:25
14:25
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WN951
WN2646
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----
----
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17:50
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WN278
WN3267
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----
----
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18:20
SHOW RETURN SCHEDULE
CHECK PRICES FOR TUS - DEN

The timetable & schedule information was updated at 2026-04-22

Southwest Airlines

Via Las Vegas with Southwest Airlines

  • Total flight time: 3h 50m - 8h 55m.
  • Low-cost airline
  • Denver is a Southwest Airlines focus city (Operating base).
  • 182 flights per week
  • Boeing 737-800 (winglets) Passenger/BBJ2
    Boeing 737MAX 8 Passenger
    Boeing 737-700 Passenger (Scimitar Winglets)
TUS
 
Via LAS
 
DEN
 
Flight
Mon
Jul 13
Tue
Jul 14
Wed
Jul 15
Thu
Jul 16
Fri
Jul 17
Sat
Jul 18
Sun
Jul 19
WN1397
WN1587
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05:15
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WN1029
WN5076
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05:15
WN2048
WN1768
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05:15
05:15
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WN2310
WN2226
05:45
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05:45
05:45
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WN860
WN785
06:45
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06:45
06:45
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WN1097
WN2226
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09:40
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WN1097
WN1105
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10:45
10:45
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WN1097
WN1382
10:45
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10:45
10:45
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WN1097
WN908
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11:20
SHOW RETURN SCHEDULE
CHECK PRICES FOR TUS - DEN

The timetable & schedule information was updated at 2026-04-22

Delta Air Lines

Via Salt Lake City with Delta Air Lines

  • Total flight time: 4h 31m - 5h 11m.
  • Sky Team Alliance
  • 71 flights per week
TUS
 
Via SLC
 
DEN

The timetable & schedule information was updated at 2026-04-22

Staying up-to-date with the airlines

At Airlineinformation.com you can learn all about the airlines operating around the world together with their destinations and where they operate. You will get a transparent overview of airlines with scheduled flights between any two destinations with non-stop or 1-stop flights regardless of price or availability.
Flight data on this page was last updated on 2026-06-29