Earn point on your loyalty program!arrow arc left

Cheap flights from Tucson (TUS) to Denver (DEN)

Know your dates, get live prices in seconds
airplane logo

pin logo

calendar
Departure
calendar backward
Return
airplane logo
1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
Save up to 31%
Book Flight + Hotel at the same time

How to find the cheapest flight from Tucson (TUS) to Denver (DEN)

How to find the cheapest flight from Tucson (TUS) to Denver (DEN)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Tucson (TUS) to Denver (DEN)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Tucson (TUS) to Denver (DEN)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.

Cheap flights from Tucson to Denver in May , June 2026

30 May - 05 Jun $ 517.00
TUS
Tucson
United Airlines
DIRECT
DEN
Denver
DEN
Denver
United Airlines
DIRECT
TUS
Tucson
Pick dates
26 May - 09 Jun $ 701.00
TUS
Tucson
Alaska Airlines
1 STOPS
DEN
Denver
DEN
Denver
Alaska Airlines
1 STOPS
TUS
Tucson
Pick dates
23 May - 09 Jun $ 949.00
TUS
Tucson
Alaska Airlines
1 STOPS
DEN
Denver
DEN
Denver
Alaska Airlines
1 STOPS
TUS
Tucson
Pick dates

Last minute flights from Tucson to Denver

31 May - 31 May $ 637.00
TUS
Tucson
United Airlines
DIRECT
DEN
Denver
DEN
Denver
United Airlines
DIRECT
TUS
Tucson
Pick dates
22 May - 31 May $ 647.00
TUS
Tucson
United Airlines
DIRECT
DEN
Denver
DEN
Denver
United Airlines
DIRECT
TUS
Tucson
Pick dates
24 May - 31 May $ 816.00
TUS
Tucson
United Airlines
DIRECT
DEN
Denver
DEN
Denver
United Airlines
DIRECT
TUS
Tucson
Pick dates

One-way flights to Denver from Tucson

5:45 AM - 5:45 AM
United Airlines
0 Stops
1h 53m
TUS - DEN
$ 219
Kiwi
Pick dates
5:45 AM - 5:45 AM
United Airlines
0 Stops
1h 53m
TUS - DEN
$ 313
Kiwi
Pick dates
1:30 PM - 1:30 PM
United Airlines
0 Stops
2h 9m
TUS - DEN
$ 313
Kiwi
Pick dates

How to find the cheapest flight from Tucson (TUS) to Denver (DEN)

Related info for your journey
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Tucson (TUS) to Denver (DEN)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Tucson (TUS) to Denver (DEN)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.