Nonstop flights from Denver to St. Louis

3 airlines fly this route, with up to 13 flights a day.

DENDenver International

768 mi · 78 flights a week

STLSt. Louis Lambert International

DENSTL

When they leave

Denver time

5:35a10:05pFirst departure 5:35 AM, last 10:05 PM

12 in the morning, 5:35 AM to 11:40 AM, then five in the afternoon, 12:10 PM to 4:10 PM, then eight in the evening, 5:15 PM to 10:05 PM.

Every flight

Earliest first

5:35 AM→8:35 AMSouthwest AirlinesBoeing 737 MAX 8Mon
6:35 AM→9:35 AMSouthwest AirlinesBoeing 737-700Tue, Wed, Sun
7:00 AM→10:00 AMSouthwest AirlinesBoeing 737 MAX 8Thu, Fri
7:20 AM→10:25 AMSouthwest AirlinesBoeing 737-700Mon
7:25 AM→10:25 AMSouthwest AirlinesBoeing 737-700Sun
8:05 AM→11:10 AMSouthwest AirlinesBoeing 737Thu, Fri
8:35 AM→11:40 AMSouthwest AirlinesBoeing 737Tue, Wed, Thu, Fri, Sat
9:35 AM→12:42 PMUnited AirlinesAirbus A319Daily
10:05 AM→1:20 PMSouthwest AirlinesBoeing 737-700Mon
11:05 AM→2:05 PMSouthwest AirlinesBoeing 737 MAX 8Thu, Fri
11:15 AM→2:20 PMSouthwest AirlinesBoeing 737-700Tue, Wed, Sat, Sun
11:40 AM→2:50 PMSouthwest AirlinesBoeing 737 MAX 8Mon
12:10 PM→3:15 PMSouthwest AirlinesBoeing 737Thu, Fri
1:25 PM→4:33 PMUnited AirlinesAirbus A319Daily
3:35 PM→6:35 PMSouthwest AirlinesBoeing 737Sun
3:40 PM→6:45 PMSouthwest AirlinesBoeing 737Tue, Wed, Sat
3:40 PM→6:45 PMSouthwest AirlinesBoeing 737-700Mon
4:10 PM→7:23 PMFrontier AirlinesAirbus A320neoDaily
5:15 PM→8:20 PMSouthwest AirlinesBoeing 737 MAX 8Mon
5:34 PM→8:43 PMUnited AirlinesBoeing 737Daily
5:55 PM→9:10 PMSouthwest AirlinesBoeing 737 MAX 8Tue, Wed, Sat
6:50 PM→9:55 PMSouthwest AirlinesBoeing 737Thu, Fri, Sun
7:30 PM→10:45 PMSouthwest AirlinesBoeing 737 MAX 8Mon
8:05 PM→11:10 PMSouthwest AirlinesBoeing 737 MAX 8Thu, Fri, Sun
8:45 PM→11:55 PMSouthwest AirlinesBoeing 737Mon
8:45 PM→11:57 PMUnited AirlinesBoeing 737Daily
10:05 PM→1:10 AM⁺¹Southwest AirlinesBoeing 737Sun

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

Flying from Denver to St. Louis

Southwest Airlines flies most often, 4 to 8 times a day on the Boeing 737, Boeing 737 MAX 8 and Boeing 737-700. United Airlines flies 4 times a day on the Airbus A319 and Boeing 737. Frontier Airlines flies daily on the Airbus A320neo.

Flights run every day of the week, from 9 on Saturdays to 13 on Mondays. The first arrival in St. Louis is at 8:35 AM and the last at 1:10 AM the next day. The flight covers 768 miles.

Flying back, St. Louis to Denver has 76 nonstop flights a week.

Return flights

St. Louis to DenverView

Find the cheapest day to fly from Denver to St. Louis.

Schedules as of Oct 9, 2026.