Nonstop flights from San Antonio to Denver

3 airlines fly this route, with up to 9 flights a day.

SATSan Antonio International

795 mi · 59 flights a week

DENDenver International

SATDEN

When they leave

San Antonio time

5:30a7:49pFirst departure 5:30 AM, last 7:49 PM

Five in the morning, 5:30 AM to 9:30 AM, then four in the afternoon, 1:10 PM to 4:39 PM, then three in the evening, 6:10 PM to 7:49 PM.

Every flight

Earliest first

5:30 AM→6:56 AMUnited AirlinesEmbraer 175Daily
6:25 AM→7:35 AMSouthwest AirlinesBoeing 737Mon, Tue, Wed, Thu, Fri
7:05 AM→8:15 AMSouthwest AirlinesBoeing 737-700Sat
9:10 AM→10:34 AMUnited AirlinesBoeing 737-800Daily
9:30 AM→10:40 AMSouthwest AirlinesBoeing 737Mon, Thu, Fri, Sat, Sun
1:10 PM→2:20 PMSouthwest AirlinesBoeing 737 MAX 8Sat
1:45 PM→3:03 PMUnited AirlinesBoeing 737Daily
2:20 PM→3:30 PMSouthwest AirlinesBoeing 737Mon, Tue, Wed, Thu, Fri, Sun
4:39 PM→6:08 PMUnited AirlinesAirbus A320Daily
6:10 PM→7:30 PMSouthwest AirlinesBoeing 737 MAX 8Mon, Thu, Fri, Sun
6:30 PM→7:50 PMSouthwest AirlinesBoeing 737-700Tue, Wed
7:49 PM→9:24 PMFrontier AirlinesAirbus A321Daily

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

Flying from San Antonio to Denver

United Airlines flies most often, 4 times a day on the Airbus A320, Boeing 737, Boeing 737-800 and Embraer 175. Southwest Airlines flies 3 to 4 times a day on the Boeing 737, Boeing 737 MAX 8 and Boeing 737-700. Frontier Airlines flies daily on the Airbus A321.

Flights run every day of the week, 9 on Mondays, Thursdays and Fridays and 8 on the other days. The first arrival in Denver is at 6:56 AM and the last at 9:24 PM. The flight covers 795 miles.

Flying back, Denver to San Antonio has 59 nonstop flights a week.

Return flights

Denver to San AntonioView

Find the cheapest day to fly from San Antonio to Denver.

Schedules as of Oct 9, 2026.