Airlinecoop.org

Cheap flights from Houston to San Diego

40 nonstop flights a week, 5 of them today. Operated by 2 airlines, about 3h 29m in the air, 1,300 mi (2,092 km). Tickets from $79, nonstop from $114.

Flights from Houston to San Diego

Pick a departure date to see flights and seller prices

We search agencies and airlines for your day: nonstop and connecting flights, baggage, departure and arrival times.

Prices by day: Houston to San Diego

Lowest one-way price in dollars from recent searches, cheap days in green. Press a day to see flights and exact prices.

Filters

Best fares from Houston to San Diego

Lowest one-way prices found by recent searches for the next 120 days; press a card to search that date

Cheapest one-way $79 8 December 2026, with a connection Cheapest nonstop $114 8 December 2026, Southwest Airlines Cheapest weekend departure $146 Sat, 19 December 2026
Cheapest day of the week Tuesday $144 on average over the next 120 days
Cheapest month December 2026 tickets from $79

Houston to San Diego at a glance

flight time, from 3h 15m to 10h 58m
3h 29m
straight-line distance
1,300 mi (2,092 km)
flights a week
40
flights today
5
first and last departure
06:25 - 14:45
lowest price, with a connection, 8 December
$79
lowest nonstop price
$114
airlines
2

Houston to San Diego ticket prices by month

Lowest one-way fare found by recent searches

Cheapest month: December 2026, tickets from $79. Prices come from searches over the last few days; check the search for your exact date.

The most expensive month is November 2026: from $150. The average across months is $114.

Houston to San Diego flight schedule

40 flights a week, 5 today, 46 seasonal or one-off. Departure and arrival times are local.

FlightDepartsArrivesDurationDaysAircraft
WN 2416
Southwest Airlines
06:25 William P. Hobby
07:50 San Diego International, terminal 1
3h 25m
Sat
WN 1465
Southwest Airlines
06:45 William P. Hobby
08:10 San Diego International, terminal 1
3h 25m
Mon, Thu, Fri, Sun
WN 3272
Southwest Airlines
07:45 William P. Hobby
12:30 San Diego International, terminal 1
6h 45m
Sat
WN 920
Southwest Airlines
08:05 William P. Hobby
12:30 San Diego International, terminal 1
6h 25m
Mon, Thu, Fri, Sun
Boeing 737-800
WN 1465
Southwest Airlines
08:45 William P. Hobby
10:10 San Diego International, terminal 1
3h 25m
Mon, Tue, Wed, Thu, Sat
Boeing 737-800
UA 2491
United Airlines
09:30 George Bush Intercontinental, terminal C
10:59 San Diego International, terminal 2
3h 29m
Daily
Boeing 737-900
WN 168
Southwest Airlines
09:35 William P. Hobby
14:10 San Diego International, terminal 1
6h 35m
Sat
UA 2399
United Airlines
11:55 George Bush Intercontinental, terminal C
13:24 San Diego International, terminal 2
3h 29m
Daily
Boeing 737
WN 2193
Southwest Airlines
14:10 William P. Hobby
17:50 San Diego International, terminal 1
5h 40m
Sat
UA 2212
United Airlines
14:25 George Bush Intercontinental, terminal C
15:54 San Diego International, terminal 2
3h 29m
Daily
Boeing 737
WN 1822
Southwest Airlines
14:45 William P. Hobby
20:35 San Diego International, terminal 1
7h 50m
Mon, Tue, Wed, Thu

Seasonal and one-off flights

Not operating in the next two weeks. The first of them is on 24 November.

FlightDepartsArrivesDurationDaysAircraft
WN 4596
Southwest Airlines
05:45 William P. Hobby
07:10 San Diego International, terminal 1
3h 25m
Seasonal
Boeing 737
WN 873
Southwest Airlines
14:10 William P. Hobby
17:50 San Diego International, terminal 1
5h 40m
Seasonal
WN 3167
Southwest Airlines
14:25 William P. Hobby
15:50 San Diego International, terminal 1
3h 25m
Seasonal
Boeing 737
WN 4596
Southwest Airlines
06:30 William P. Hobby
07:50 San Diego International, terminal 1
3h 20m
Seasonal
Boeing 737
WN 250
Southwest Airlines
06:25 William P. Hobby
07:50 San Diego International, terminal 1
3h 25m
Seasonal
WN 2126
Southwest Airlines
08:50 William P. Hobby
12:20 San Diego International, terminal 1
5h 30m
Seasonal
UA 1318
United Airlines
12:23 George Bush Intercontinental, terminal C
21:12 San Diego International, terminal 2
10h 49m
Seasonal
Boeing 737
UA 2212
United Airlines
14:31 George Bush Intercontinental, terminal C
16:00 San Diego International, terminal 2
3h 29m
Seasonal
Boeing 737-900
UA 1318
United Airlines
12:20 George Bush Intercontinental, terminal C
21:18 San Diego International, terminal 2
10h 58m
Seasonal
Boeing 737-900
UA 2212
United Airlines
14:36 George Bush Intercontinental, terminal C
16:14 San Diego International, terminal 2
3h 38m
Seasonal
Boeing 737
UA 2491
United Airlines
09:55 George Bush Intercontinental, terminal C
11:42 San Diego International, terminal 2
3h 47m
Seasonal
Boeing 737-900
WN 652
Southwest Airlines
09:00 William P. Hobby
10:25 San Diego International, terminal 1
3h 25m
Seasonal
Boeing 737
WN 2118
Southwest Airlines
05:10 William P. Hobby
08:20 San Diego International, terminal 1
5h 10m
Seasonal
Boeing 737
WN 1895
Southwest Airlines
08:20 William P. Hobby
12:40 San Diego International, terminal 1
6h 20m
Seasonal
Boeing 737
WN 1912
Southwest Airlines
08:20 William P. Hobby
09:45 San Diego International, terminal 1
3h 25m
Seasonal
Boeing 737-800
WN 1913
Southwest Airlines
15:00 William P. Hobby
16:25 San Diego International, terminal 1
3h 25m
Seasonal
WN 1912
Southwest Airlines
07:30 William P. Hobby
08:55 San Diego International, terminal 1
3h 25m
Seasonal
WN 1913
Southwest Airlines
15:05 William P. Hobby
16:30 San Diego International, terminal 1
3h 25m
Seasonal
Boeing 737
WN 1912
Southwest Airlines
05:40 William P. Hobby
07:05 San Diego International, terminal 1
3h 25m
Seasonal
UA 2491
United Airlines
09:40 George Bush Intercontinental, terminal C
11:07 San Diego International, terminal 2
3h 27m
Seasonal
Boeing 737-800
UA 2399
United Airlines
12:20 George Bush Intercontinental, terminal C
13:47 San Diego International, terminal 2
3h 27m
Seasonal
Boeing 737
WN 1355
Southwest Airlines
14:10 William P. Hobby
15:35 San Diego International, terminal 1
3h 25m
Seasonal
Boeing 737
WN 1218
Southwest Airlines
08:10 William P. Hobby
09:35 San Diego International, terminal 1
3h 25m
Seasonal
WN 30
Southwest Airlines
13:30 William P. Hobby
22:10 San Diego International, terminal 1
10h 40m
Seasonal
WN 4369
Southwest Airlines
08:05 William P. Hobby
09:45 San Diego International, terminal 1
3h 40m
Seasonal
Boeing 737
WN 2048
Southwest Airlines
14:45 William P. Hobby
16:25 San Diego International, terminal 1
3h 40m
Seasonal
WN 3711
Southwest Airlines
08:10 William P. Hobby
09:50 San Diego International, terminal 1
3h 40m
Seasonal
Boeing 737-800
WN 4369
Southwest Airlines
08:15 William P. Hobby
09:55 San Diego International, terminal 1
3h 40m
Seasonal
Boeing 737-800
WN 222
Southwest Airlines
14:45 William P. Hobby
19:10 San Diego International, terminal 1
6h 25m
Seasonal
WN 2390
Southwest Airlines
08:15 William P. Hobby
09:55 San Diego International, terminal 1
3h 40m
Seasonal
Boeing 737
WN 2047
Southwest Airlines
09:05 William P. Hobby
13:35 San Diego International, terminal 1
6h 30m
Seasonal
WN 2050
Southwest Airlines
10:40 William P. Hobby
14:45 San Diego International, terminal 1
6h 5m
Seasonal
WN 2006
Southwest Airlines
14:45 William P. Hobby
16:25 San Diego International, terminal 1
3h 40m
Seasonal
Boeing 737
WN 4301
Southwest Airlines
08:55 William P. Hobby
10:20 San Diego International, terminal 1
3h 25m
Seasonal
Boeing 737
WN 2048
Southwest Airlines
14:50 William P. Hobby
16:20 San Diego International, terminal 1
3h 30m
Seasonal
Boeing 737
WN 4301
Southwest Airlines
08:10 William P. Hobby
09:40 San Diego International, terminal 1
3h 30m
Seasonal
Boeing 737
WN 4301
Southwest Airlines
08:20 William P. Hobby
09:50 San Diego International, terminal 1
3h 30m
Seasonal
WN 4301
Southwest Airlines
08:15 William P. Hobby
09:45 San Diego International, terminal 1
3h 30m
Seasonal
Boeing 737
WN 2304
Southwest Airlines
14:45 William P. Hobby
16:15 San Diego International, terminal 1
3h 30m
Seasonal
Boeing 737-800
WN 1823
Southwest Airlines
07:45 William P. Hobby
09:00 San Diego International, terminal 1
3h 15m
Seasonal
Boeing 737
WN 1824
Southwest Airlines
14:45 William P. Hobby
16:00 San Diego International, terminal 1
3h 15m
Seasonal
Boeing 737
WN 1823
Southwest Airlines
08:10 William P. Hobby
09:25 San Diego International, terminal 1
3h 15m
Seasonal
Boeing 737
WN 1823
Southwest Airlines
07:50 William P. Hobby
09:05 San Diego International, terminal 1
3h 15m
Seasonal
Boeing 737
WN 1824
Southwest Airlines
14:30 William P. Hobby
15:45 San Diego International, terminal 1
3h 15m
Seasonal
Boeing 737
WN 1823
Southwest Airlines
08:00 William P. Hobby
09:15 San Diego International, terminal 1
3h 15m
Seasonal
Boeing 737
WN 1824
Southwest Airlines
14:50 William P. Hobby
16:05 San Diego International, terminal 1
3h 15m
Seasonal
Boeing 737

Days of the week are taken from the schedule for the next 14 days; schedules change by season. San Diego is 2 hours behind Houston. The search shows seat availability and the price for your date.

Airlines flying Houston to San Diego

Flights a week by schedule and the cheapest nonstop fare of each airline found by recent searches

United Airlines21 a week Southwest Airlines19 a week

Airports

Where flights from Houston to San Diego depart and land

Departure from Houston

George Bush Intercontinental IAH

21 flights a week, terminal C, 16 mi (25 km) from the city centre

About the airport
William P. Hobby closest to the centreHOU

19 flights a week, 10 mi (16 km) from the city centre

About the airport

Arrival in San Diego

San Diego International SAN

40 flights a week, terminals 1, 2, 2 mi (4 km) from the city centre

About the airport

Frequently asked questions

How long is the flight from Houston to San Diego?
A nonstop flight takes 3 hours 29 minutes on average, from 3h 15m to 10h 58m depending on the flight.
How far is San Diego from Houston?
1,300 mi (2,092 km) in a straight line between the cities.
Which airlines fly nonstop from Houston to San Diego?
United Airlines (21 a week) and Southwest Airlines (19 a week).
How many flights a day are there from Houston to San Diego?
5 flights today and 40 a week, about 5.7 a day on average.
When are the first and last flights from Houston to San Diego?
The first departure is at 06:25 (WN2416), the last at 14:45 (WN1822). Local time.
What is the cheapest month to fly from Houston to San Diego?
December 2026: tickets from $79. The most expensive is November 2026, from $150.
What is the cheapest upcoming date to fly from Houston to San Diego?
8 December 2026 (Tuesday): from $79 one way, with a connection, by recent searches. The search shows the price for your dates.
Which airline is the cheapest from Houston to San Diego?
Southwest Airlines: nonstop tickets from $114 on 8 December by recent searches. Prices change daily, so compare the sellers in the search.
What is the time difference between Houston and San Diego?
San Diego is 2 hours behind Houston. Schedule times on this page are local to each airport.
Which Houston airport do flights to San Diego leave from?
George Bush Intercontinental (21 a week) and William P. Hobby (19 a week).