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Cheap flights from San Antonio to Houston

36 nonstop flights a week, 5 of them today. Operated by 2 airlines, about 1h in the air, 188 mi (303 km). Tickets from $225.

Flights from San Antonio to Houston

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.

Filters

Best fares from San Antonio to Houston

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

Cheapest one-way $225 20 November 2026, nonstop Cheapest nonstop $225 20 November 2026, United Airlines Cheapest in the next 7 days $236 14 November, Sat Cheapest weekend departure $225 Fri, 20 November 2026 Cheapest month November 2026 tickets from $225

San Antonio to Houston at a glance

flight time, from 55m to 1h 9m
1h
straight-line distance
188 mi (303 km)
flights a week
36
flights today
5
first and last departure
05:30 - 11:45
lowest price, nonstop, 20 November
$225
airlines
2

San Antonio to Houston flight schedule

36 flights a week, 5 today, 35 seasonal or one-off. Departure and arrival times are local.

FlightDepartsArrivesDurationDaysAircraft
UA 469
United Airlines
05:30 San Antonio International, terminal B
06:31 George Bush Intercontinental, terminal C
1h 1m
Daily
Boeing 737-800
WN 4705
Southwest Airlines
05:50 San Antonio International, terminal A
06:45 William P. Hobby
55m
Sat
Boeing 737-800
WN 4705
Southwest Airlines
05:55 San Antonio International, terminal A
06:55 William P. Hobby
1h
Mon, Thu, Fri, Sun
Boeing 737
WN 4705
Southwest Airlines
06:05 San Antonio International, terminal A
07:05 William P. Hobby
1h
Sat
Boeing 737-800
WN 4705
Southwest Airlines
06:35 San Antonio International, terminal A
07:35 William P. Hobby
1h
Mon, Tue, Wed, Thu
UA 2469
United Airlines
07:35 San Antonio International, terminal B
08:42 George Bush Intercontinental, terminal C
1h 7m
Daily
Boeing 737-700
WN 3004
Southwest Airlines
09:00 San Antonio International, terminal A
09:55 William P. Hobby
55m
Sat
Boeing 737-800
UA 593
United Airlines
09:35 San Antonio International, terminal B
10:42 George Bush Intercontinental, terminal C
1h 7m
Daily
Boeing 737-900
UA 1282
United Airlines
11:45 San Antonio International, terminal B
12:52 George Bush Intercontinental, terminal C
1h 7m
Daily
Airbus A319

Seasonal and one-off flights

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

FlightDepartsArrivesDurationDaysAircraft
WN 4705
Southwest Airlines
06:00 San Antonio International, terminal A
07:00 William P. Hobby
1h
Seasonal
Boeing 737
WN 4705
Southwest Airlines
06:10 San Antonio International, terminal A
07:05 William P. Hobby
55m
Seasonal
Boeing 737
UA 469
United Airlines
07:01 San Antonio International, terminal B
08:00 George Bush Intercontinental, terminal C
59m
Seasonal
Boeing 737-800
WN 2339
Southwest Airlines
08:15 San Antonio International, terminal A
09:10 William P. Hobby
55m
Seasonal
Boeing 737
UA 593
United Airlines
08:15 San Antonio International, terminal B
09:22 George Bush Intercontinental, terminal C
1h 7m
Seasonal
Boeing 737-700
WN 4705
Southwest Airlines
05:40 San Antonio International, terminal A
06:35 William P. Hobby
55m
Seasonal
UA 469
United Airlines
05:15 San Antonio International, terminal B
06:16 George Bush Intercontinental, terminal C
1h 1m
Seasonal
Boeing 737-900
UA 1236
United Airlines
07:30 San Antonio International, terminal B
08:31 George Bush Intercontinental, terminal C
1h 1m
Seasonal
Boeing 737-700
UA 1341
United Airlines
09:41 San Antonio International, terminal B
10:48 George Bush Intercontinental, terminal C
1h 7m
Seasonal
Boeing 737-900
UA 1282
United Airlines
11:47 San Antonio International, terminal B
12:54 George Bush Intercontinental, terminal C
1h 7m
Seasonal
Airbus A319
UA 410
United Airlines
07:38 San Antonio International, terminal B
08:45 George Bush Intercontinental, terminal C
1h 7m
Seasonal
Boeing 737-700
UA 2662
United Airlines
09:26 San Antonio International, terminal B
10:30 George Bush Intercontinental, terminal C
1h 4m
Seasonal
Airbus A320
UA 4074
United Airlines
09:26 San Antonio International, terminal B
10:34 George Bush Intercontinental, terminal B
1h 8m
Seasonal
Embraer 175
UA 410
United Airlines
07:25 San Antonio International, terminal B
08:32 George Bush Intercontinental, terminal C
1h 7m
Seasonal
Boeing 737-700
UA 753
United Airlines
09:35 San Antonio International, terminal B
10:40 George Bush Intercontinental, terminal C
1h 5m
Seasonal
Airbus A320
WN 4297
Southwest Airlines
06:40 San Antonio International, terminal A
07:40 William P. Hobby
1h
Seasonal
WN 4370
Southwest Airlines
06:05 San Antonio International, terminal A
07:05 William P. Hobby
1h
Seasonal
Boeing 737
WN 3813
Southwest Airlines
08:25 San Antonio International, terminal A
09:25 William P. Hobby
1h
Seasonal
Boeing 737
UA 5718
United Airlines
05:15 San Antonio International, terminal B
06:24 George Bush Intercontinental, terminal B
1h 9m
Selected dates
Embraer 175
WN 4370
Southwest Airlines
06:35 San Antonio International, terminal A
07:35 William P. Hobby
1h
Seasonal
UA 2602
United Airlines
09:35 San Antonio International, terminal B
10:40 George Bush Intercontinental, terminal C
1h 5m
Seasonal
Airbus A320
WN 4433
Southwest Airlines
05:55 San Antonio International, terminal A
06:55 William P. Hobby
1h
Seasonal
UA 410
United Airlines
07:30 San Antonio International, terminal B
08:35 George Bush Intercontinental, terminal C
1h 5m
Seasonal
Boeing 737-800
UA 589
United Airlines
10:00 San Antonio International, terminal B
11:00 George Bush Intercontinental, terminal C
1h
Seasonal
Boeing 737-900
WN 1879
Southwest Airlines
05:40 San Antonio International, terminal A
06:40 William P. Hobby
1h
Seasonal
Boeing 737
WN 4871
Southwest Airlines
06:20 San Antonio International, terminal A
07:25 William P. Hobby
1h 5m
Seasonal
WN 4871
Southwest Airlines
06:15 San Antonio International, terminal A
07:20 William P. Hobby
1h 5m
Seasonal
Boeing 737
WN 4871
Southwest Airlines
06:10 San Antonio International, terminal A
07:15 William P. Hobby
1h 5m
Seasonal
Boeing 737-800
WN 2142
Southwest Airlines
06:50 San Antonio International, terminal A
07:50 William P. Hobby
1h
Seasonal
Boeing 737
WN 60
Southwest Airlines
05:45 San Antonio International, terminal A
06:45 William P. Hobby
1h
Seasonal
Boeing 737
WN 4801
Southwest Airlines
06:10 San Antonio International, terminal A
07:10 William P. Hobby
1h
Seasonal
WN 4801
Southwest Airlines
06:25 San Antonio International, terminal A
07:25 William P. Hobby
1h
Seasonal
Boeing 737
WN 174
Southwest Airlines
05:50 San Antonio International, terminal A
06:50 William P. Hobby
1h
Seasonal
Boeing 737
WN 174
Southwest Airlines
06:00 San Antonio International, terminal A
07:00 William P. Hobby
1h
Seasonal
Boeing 737
WN 174
Southwest Airlines
05:55 San Antonio International, terminal A
06:55 William P. Hobby
1h
Seasonal
Boeing 737

Days of the week are taken from the schedule for the next 14 days; schedules change by season. The search shows seat availability and the price for your date.

Airlines flying San Antonio to Houston

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

United Airlines28 a week Southwest Airlines8 a week

Airports

Where flights from San Antonio to Houston depart and land

Departure from San Antonio

San Antonio International SAT

36 flights a week, terminals A, B, 7 mi (11 km) from the city centre

About the airport

Arrival in Houston

George Bush Intercontinental IAH

28 flights a week, terminals B, C, 16 mi (25 km) from the city centre

About the airport
William P. Hobby closest to the centreHOU

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

About the airport

Frequently asked questions

How long is the flight from San Antonio to Houston?
A nonstop flight takes 1 hour on average, from 55m to 1h 9m depending on the flight.
How far is Houston from San Antonio?
188 mi (303 km) in a straight line between the cities.
Which airlines fly nonstop from San Antonio to Houston?
United Airlines (28 a week) and Southwest Airlines (8 a week).
How many flights a day are there from San Antonio to Houston?
5 flights today and 36 a week, about 5.1 a day on average.
When are the first and last flights from San Antonio to Houston?
The first departure is at 05:30 (UA469), the last at 11:45 (UA1282). Local time.
What is the cheapest upcoming date to fly from San Antonio to Houston?
20 November 2026 (Friday): from $225 one way, nonstop, by recent searches. The search shows the price for your dates.
Which airline is the cheapest from San Antonio to Houston?
United Airlines: nonstop tickets from $225 on 20 November by recent searches. Prices change daily, so compare the sellers in the search.
Which San Antonio airport do flights to Houston leave from?
San Antonio International (36 a week).
Which Houston airport is closest to the city centre?
William P. Hobby (HOU), 10 mi (16 km) from the city centre. Others: George Bush Intercontinental 16 mi (25 km).