Southwest Airlines
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United States
San Diego International Airport
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United States
Denver International Airport
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Scan through all non-stop flights from San Diego to Denver. The full flight schedule below gives an overview of all non-stop flights from SAN to DEN, which includes the daily timetable of every operating airline for the upcoming 12 months.
Note: for airline-specific flight schedules, please scroll further down.
The Mediterranean regions near Denver are known for their warm, arid summers, where temperatures often go beyond 30°C (86°F). In some inland spots, the heat can climb even higher, sometimes reaching 40°C (104°F) or more. The winters are pleasantly mild, accompanied by some rainfall. This lovely climate, paired with breathtaking landscapes and bright, sunny days attract visitors from around the globe.
Denver is a wonderful place to visit all year long, but spring (March-May) and fall (September-November) are the best seasons to visit. The weather is pleasantly warm during these times, especially since the summers can be quite hot in those regions.
In total there are 4 airlines operating nonstop flights from San Diego SAN to Denver DEN. This section gives an overview of the flight schedules and timetables of every airline with direct flights for this route.
Click an airline below to view their SAN DEN flight schedule.
Flights from SAN to DEN are operated 35 times a week, with an average of 5 flights per day. Departure times vary between 06:20 - 21:28. The earliest flight departs at 06:20, the last flight departs at 21:28. However, this depends on the date you are flying so please check with the full flight schedule above to see which departure times are available on your preferred date(s) of travel.
You can fly in Economy and Business Class. Premium Economy and First Class are not available on this route (at least not as a non-stop flight).
The fastest direct flight from San Diego to Denver takes 2 hours and 39 minutes. The flight distance between San Diego and Denver is 851 miles (or 1,370 km).
There are 2 airports in Denver: Denver International Airport (DEN) and Centennial Airport (APA).
There are 35 flights per week flying from San Diego to Denver (as of March 2026).
2 hours and 39 minutes is the average flight time from San Diego to Denver.
The distance from San Diego to Denver is 851 miles (1,370 kilometers).
Alaska, Frontier Airlines, Southwest Airlines and United Airlines are flying nonstop from San Diego to Denver.
Oneworld and Star Alliance are flying nonstop from San Diego to Denver.
You can fly non-stop in Economy and Business Class.
Aircraft types that fly from San Diego to Denver:
The earliest flight departs at 06:20 from San Diego and arrives at 09:50 at Denver.
The latest flight departs at 21:28 from San Diego and arrives at 01:01 at Denver.
851 miles (1,370 km) · 2h 39m
06:20
09:50
Southwest Airlines
WN 2326
Southwest Airlines
Boeing 737-800 (winglets)
Y
W
J
F
06:20
09:50
Southwest Airlines
WN 2326
Southwest Airlines
Boeing 757
Y
W
J
F
06:25
10:00
Frontier Airlines
F9 2818
Frontier Airlines
Airbus A321neo
Y
W
J
F
06:25
10:00
Frontier Airlines
F9 2818
Frontier Airlines
Airbus A320neo
Y
W
J
F
06:30
10:05
Southwest Airlines
WN 2499
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
06:32
10:09
United Airlines
Star Alliance
UA 1714
United Airlines
Airbus A321neo
Y
W
J
F
06:45
10:15
Southwest Airlines
WN 421
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
07:30
10:55
Southwest Airlines
WN 684
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
07:50
11:15
Southwest Airlines
WN 684
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
08:15
11:40
Southwest Airlines
WN 684
Southwest Airlines
Boeing 737-800 (winglets)
Y
W
J
F
08:20
11:50
Southwest Airlines
WN 684
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
08:25
11:59
Frontier Airlines
F9 4928
Frontier Airlines
Airbus A321-100/200
Y
W
J
F
08:42
12:20
Alaska
Oneworld
AS 1492
Alaska
Boeing 737 MAX 9
Y
W
J
F
08:45
12:18
United Airlines
Star Alliance
UA 2476
United Airlines
Boeing 737-900
Y
W
J
F
09:00
12:33
Frontier Airlines
F9 4928
Frontier Airlines
Airbus A321neo
Y
W
J
F
10:55
14:20
Southwest Airlines
WN 999
Southwest Airlines
Boeing 757
Y
W
J
F
11:00
14:33
United Airlines
Star Alliance
UA 1337
United Airlines
Boeing 737 MAX 9
Y
W
J
F
11:50
15:15
Southwest Airlines
WN 4352
Southwest Airlines
Boeing 737-800 (winglets)
Y
W
J
F
12:00
15:25
Southwest Airlines
WN 4352
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
12:10
15:35
Southwest Airlines
WN 4352
Southwest Airlines
Boeing 737-800 (winglets)
Y
W
J
F
12:20
15:45
Southwest Airlines
WN 4352
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
12:40
16:13
United Airlines
Star Alliance
UA 2493
United Airlines
Airbus A321neo
Y
W
J
F
13:20
16:40
Southwest Airlines
WN 4355
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
13:40
17:00
Southwest Airlines
WN 4355
Southwest Airlines
Boeing 737-800 (winglets)
Y
W
J
F
13:48
17:24
Alaska
Oneworld
AS 1429
Alaska
Boeing 737-900 (winglets)
Y
W
J
F
13:48
17:24
Alaska
Oneworld
AS 1429
Alaska
Boeing 737 MAX 8
Y
W
J
F
14:55
18:15
Southwest Airlines
WN 4353
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
14:55
18:15
Southwest Airlines
WN 4353
Southwest Airlines
Boeing 757
Y
W
J
F
14:55
18:15
Southwest Airlines
WN 4353
Southwest Airlines
Boeing 737-800 (winglets)
Y
W
J
F
15:45
19:10
Southwest Airlines
WN 189
Southwest Airlines
Boeing 757
Y
W
J
F
16:09
19:40
United Airlines
Star Alliance
UA 682
United Airlines
Boeing 737-900
Y
W
J
F
16:09
19:40
United Airlines
Star Alliance
UA 682
United Airlines
Boeing 737 MAX 8
Y
W
J
F
16:55
20:20
Southwest Airlines
WN 1604
Southwest Airlines
Boeing 757
Y
W
J
F
18:05
21:30
Southwest Airlines
WN 1604
Southwest Airlines
Boeing 757
Y
W
J
F
19:14
22:45
United Airlines
Star Alliance
UA 519
United Airlines
Boeing 737-900
Y
W
J
F
19:14
22:45
United Airlines
Star Alliance
UA 519
United Airlines
Boeing 737-900
Y
W
J
F
19:30
23:00
Southwest Airlines
WN 4355
Southwest Airlines
Boeing 737-800 (winglets)
Y
W
J
F
19:35
23:05
Southwest Airlines
WN 2857
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
20:05
23:44
Alaska
Oneworld
AS 219
Alaska
Boeing 737-900 (winglets)
Y
W
J
F
20:05
23:44
Alaska
Oneworld
AS 219
Alaska
Boeing 737 MAX 9
Y
W
J
F
21:18
00:47
Frontier Airlines
F9 4990
Frontier Airlines
Airbus A320neo
Y
W
J
F
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