Southwest Airlines
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United States
William P. Hobby Airport
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United States
San Diego International Airport
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Scan through all non-stop flights from Houston to San Diego. The full flight schedule below gives an overview of all non-stop flights from HOU to SAN, 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 San Diego 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.
San Diego 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.
Currently, there is only one airline operating non-stop flights from Houston HOU to San Diego SAN, which is Southwest Airlines. 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 HOU SAN flight schedule.
Flights from HOU to SAN are operated 19 times a week, with an average of 3 flights per day. Departure times vary between 05:50 - 22:10. The earliest flight departs at 05:50, the last flight departs at 22:10. 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.
On this non-stop route, you can fly in Economy only.
The fastest direct flight from Houston to San Diego takes 3 hours and 10 minutes. The flight distance between Houston and San Diego is 1,309 miles (or 2,107 km).
There are 2 airports in San Diego: San Diego International Airport (SAN) and McClellan-Palomar Airport (FAA: CRQ) (CLD).
There are 19 flights per week flying from Houston to San Diego (as of April 2026).
3 hours and 10 minutes is the average flight time from Houston to San Diego.
The distance from Houston to San Diego is 1,309 miles (2,107 kilometers).
Southwest Airlines is the only airline flying nonstop from Houston to San Diego.
There are no alliances flying direct from Houston to San Diego at the moment.
You can fly non-stop in Economy only.
Aircraft types that fly from Houston to San Diego:
The earliest flight departs at 05:50 from Houston and arrives at 07:05 at San Diego.
The latest flight departs at 22:10 from Houston and arrives at 23:25 at San Diego.
1,309 miles (2,107 km) · 3h 10m
08:10
09:45
Southwest Airlines
WN 3290
Southwest Airlines
Boeing 737-800 (winglets)
Y
W
J
F
08:10
09:35
Southwest Airlines
WN 2407
Southwest Airlines
Boeing 737-800 (winglets)
Y
W
J
F
08:15
09:50
Southwest Airlines
WN 3290
Southwest Airlines
Boeing 757
Y
W
J
F
08:15
09:40
Southwest Airlines
WN 2580
Southwest Airlines
Boeing 757
Y
W
J
F
08:25
09:45
Southwest Airlines
WN 1716
Southwest Airlines
Boeing 757
Y
W
J
F
08:50
10:15
Southwest Airlines
WN 2407
Southwest Airlines
Boeing 737-800 (winglets)
Y
W
J
F
12:35
14:10
Southwest Airlines
WN 3292
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
13:00
14:25
Southwest Airlines
WN 3061
Southwest Airlines
Boeing 737-800 (winglets)
Y
W
J
F
14:15
15:35
Southwest Airlines
WN 3061
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
16:15
17:35
Southwest Airlines
WN 3061
Southwest Airlines
Boeing 737-800 (winglets)
Y
W
J
F
18:00
19:25
Southwest Airlines
WN 3875
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
19:40
21:05
Southwest Airlines
WN 2410
Southwest Airlines
Boeing 737-800 (winglets)
Y
W
J
F
20:20
21:45
Southwest Airlines
WN 2410
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
20:35
22:10
Southwest Airlines
WN 2182
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
20:35
22:00
Southwest Airlines
WN 2410
Southwest Airlines
Boeing 757
Y
W
J
F
21:25
23:00
Southwest Airlines
WN 2182
Southwest Airlines
Boeing 757
Y
W
J
F
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