Nonstop flights from Denver to San Diego

4 airlines fly this route, with up to 19 flights a day.

DENDenver International

852 mi · 125 flights a week

SANSan Diego International

DENSAN

When they leave

Denver time

6:00a10:29pFirst departure 6:00 AM, last 10:29 PM

10 in the morning, 6:00 AM to 11:32 AM, then nine in the afternoon, 12:05 PM to 4:10 PM, then seven in the evening, 5:20 PM to 10:29 PM.

Every flight

Earliest first

6:00 AM→7:34 AMAlaska AirlinesBoeing 737Daily
7:35 AM→8:55 AMSouthwest AirlinesBoeing 737-700Tue, Wed
7:43 AM→9:05 AMUnited AirlinesBoeing 737 MAX 9Daily
7:45 AM→9:10 AMFrontier AirlinesAirbus A321Daily
7:55 AM→9:25 AMSouthwest AirlinesBoeing 737 MAX 8Mon, Thu, Fri
9:00 AM→10:20 AMSouthwest AirlinesBoeing 737Daily
9:45 AM→11:15 AMSouthwest AirlinesBoeing 737 MAX 8Sun
10:30 AM→11:55 AMSouthwest AirlinesBoeing 737-700Daily
11:15 AM→12:41 PMUnited AirlinesAirbus A321neoDaily
11:32 AM→1:05 PMAlaska AirlinesBoeing 737Daily
12:05 PM→1:30 PMSouthwest AirlinesBoeing 737-700Tue, Wed, Sat
12:30 PM→1:50 PMSouthwest AirlinesBoeing 737 MAX 8Mon, Thu, Fri
12:50 PM→2:10 PMSouthwest AirlinesBoeing 737 MAX 8Sun
1:25 PM→2:50 PMUnited AirlinesBoeing 737Daily
1:30 PM→2:55 PMSouthwest AirlinesBoeing 737-700Sun
1:30 PM→2:55 PMSouthwest AirlinesBoeing 737 MAX 8Tue, Sun
1:30 PM→2:55 PMSouthwest AirlinesBoeing 737 MAX 8Wed
1:55 PM→3:25 PMSouthwest AirlinesBoeing 737-700Sat
3:10 PM→4:30 PMSouthwest AirlinesBoeing 737-700Mon, Thu, Fri
3:35 PM→5:00 PMUnited AirlinesBoeing 737Daily
4:10 PM→5:35 PMSouthwest AirlinesBoeing 737 MAX 8Mon, Thu, Fri
5:20 PM→6:45 PMSouthwest AirlinesBoeing 737-700Mon, Thu, Fri
7:05 PM→8:34 PMUnited AirlinesAirbus A321neoDaily
7:10 PM→8:30 PMSouthwest AirlinesBoeing 737Tue, Wed, Sat
7:59 PM→9:40 PMAlaska AirlinesEmbraer 175Mon, Wed, Thu, Fri, Sat, Sun
7:59 PM→9:40 PMAlaska AirlinesEmbraer 175Tue
8:40 PM→10:00 PMSouthwest AirlinesBoeing 737 MAX 8Daily
9:00 PM→10:27 PMUnited AirlinesBoeing 737Wed, Thu, Fri, Sun
10:29 PM→11:51 PMFrontier AirlinesAirbus A320neoDaily

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

Flying from Denver to San Diego

Southwest Airlines flies most often, 6 to 8 times a day on the Boeing 737 MAX 8, Boeing 737-700 and Boeing 737. United Airlines flies 5 to 6 times a day on the Boeing 737, Airbus A321neo and Boeing 737 MAX 9. Alaska Airlines flies 3 times a day on the Boeing 737 and Embraer 175. Frontier Airlines flies twice a day on the Airbus A320neo and Airbus A321.

Flights run every day of the week, from 16 on Saturdays to 19 on Thursdays and Fridays. The first arrival in San Diego is at 7:34 AM and the last at 11:51 PM. The flight covers 852 miles.

Flying back, San Diego to Denver has 121 nonstop flights a week.

Return flights

San Diego to DenverView

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

Schedules as of Oct 9, 2026.