Nonstop flights from Tucson to Denver

2 airlines fly this route, with up to 6 flights a day.

TUSTucson International

638 mi · 41 flights a week

DENDenver International

TUSDEN

When they leave

Tucson time

5:30a2:00pFirst departure 5:30 AM, last 2:00 PM

Six in the morning, 5:30 AM to 11:40 AM, then three in the afternoon, 1:20 PM to 2:00 PM.

Every flight

Earliest first

5:30 AM→8:27 AMUnited AirlinesBoeing 737Daily
7:00 AM→9:50 AMSouthwest AirlinesBoeing 737 MAX 8Sun
7:00 AM→9:50 AMSouthwest AirlinesBoeing 737Tue, Wed
7:25 AM→10:15 AMSouthwest AirlinesBoeing 737-700Daily
9:15 AM→12:13 PMUnited AirlinesAirbus A319Daily
10:25 AM→1:20 PMSouthwest AirlinesBoeing 737-700Sun
11:40 AM→2:30 PMSouthwest AirlinesBoeing 737-700Mon, Tue, Wed, Thu, Fri
1:20 PM→4:15 PMSouthwest AirlinesBoeing 737 MAX 8Sat
1:29 PM→4:31 PMUnited AirlinesBoeing 737Daily
2:00 PM→4:55 PMSouthwest AirlinesBoeing 737 MAX 8Mon, Thu, Fri

Schedules last checked Sep 19, 2026. Times are local.

Flying from Tucson to Denver

United Airlines flies most often, 3 times a day on the Boeing 737 and Airbus A319. Southwest Airlines flies 2 to 3 times a day on the Boeing 737 MAX 8, Boeing 737-700 and Boeing 737.

There are 5 or 6 flights every day of the week. The first arrival in Denver is at 8:27 AM and the last at 4:55 PM. The flight covers 638 miles.

Flying back, Denver to Tucson has 41 nonstop flights a week.

Return flights

Denver to TucsonView

Find the cheapest day to fly from Tucson to Denver.

Schedules as of Oct 9, 2026.