Cheap Flights from San Antonio, TX to Houston, TX from $103

Return flight: Houston – San Antonio

On Cheapflightsplus.com you will find 26 direct and 461 connecting flights from San Antonio to Houston. You can compare airfare deals from 5 airlines and multiple travel sites from $103, book and save on cheap plane tickets and last minute offers. Also check out SAT-HOU flight schedule to find best flight time, convenient departure and arrival airports.

Find One-Way and Round-Trip San Antonio to Houston Flight Deals

To find the cheapest one way airline ticket select the date with the lowest price on the calendar below and click «Find Flights». To search for round-trip flight deals click on the link «Check prices for return flights» and select the date of the return flight. Cheapest flights in November: $103 (one-way), $177 (round-trip).
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Full flight schedule will help you in detecting at what time planes fly from San Antonio to Houston. You can also specify the concrete flights and airlines on the route and how long the flight actually is. Use the calendar for today, tomorrow or other specific date as some flights are available only on certain days of the week.
Departure Arrival Flight Details Flight Duration Price
05:30 — 06:34
05:30 — 06:34 UA469 United Airlines
San Antonio — Houston
1h 4m
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from$103
07:15 — 08:19
07:15 — 08:19 UA1486 United Airlines
San Antonio — Houston
1h 4m
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from$103
09:39 — 10:45
09:39 — 10:45 UA1798 United Airlines
San Antonio — Houston
1h 6m
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from$104
09:50 — 10:56
09:50 — 10:56 UA349 United Airlines
San Antonio — Houston
1h 6m
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from$103
10:04 — 11:10
10:04 — 11:10 UA1168 United Airlines
San Antonio — Houston
1h 6m
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from$134
11:45 — 12:49
11:45 — 12:49 UA1282 United Airlines
San Antonio — Houston
1h 4m
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from$103
12:12 — 13:17
12:12 — 13:17 UA2498 United Airlines
San Antonio — Houston
1h 5m
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from$104
14:15 — 15:25
14:15 — 15:25 UA6050 United Airlines
San Antonio — Houston
1h 10m
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from$104
16:19 — 17:25
16:19 — 17:25 UA465 United Airlines
San Antonio — Houston
1h 6m
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from$103
16:21 — 17:25
16:21 — 17:25 UA1066 United Airlines
San Antonio — Houston
1h 4m
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from$104
16:22 — 17:25
16:22 — 17:25 UA2157 United Airlines
San Antonio — Houston
1h 3m
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from$103
17:56 — 19:02
17:56 — 19:02 UA2170 United Airlines
San Antonio — Houston
1h 6m
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from$103
17:56 — 19:05
17:56 — 19:05 UA2078 United Airlines
San Antonio — Houston
1h 9m
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from$103
17:58 — 19:03
17:58 — 19:03 UA2396 United Airlines
San Antonio — Houston
1h 5m
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from$103
19:35 — 20:44
19:35 — 20:44 UA6298 United Airlines
San Antonio — Houston
1h 9m
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from$103
*Departure and arrival times - local. Updated on September 14, 2025

Flight Information

Below we will explain in detail what the flights cost on the destination from San Antonio to Houston depends on and how to choose the most interesting flight option for you.

Distance between San Antonio and Houston is 309 miles. Time difference between the cities is 0h. Airplanes depart 05:15 to 22:51 from 5 San Antonio airports and arrive 05:15 to 22:51 to 15 Houston airports. Average flight time is 1h 6m.

  • The fastest flight 1h 3m
  • Average flight time 1h 6m
  • The earliest flight 05:15
  • The latest flight 22:51
  • Distance 193 ml

Popular Airlines on the Route

The flight San Antonio — Houston is served by 5 regular airlines and 2 low-cost airlines. Most of the flights on this route are operated by Alaska Airlines - 29 departures per week at the price of from $ 256 . And the most expensive tickets are offered by Alaska Airlines airline - from $ 7450.

Direct flights

There are 26 nonstop flights on the route. The fastest direct flight is UA2157 by United Airlines takes 1h 3m.

  • UA - United Airlines
    from $103
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Connecting Flights

There are 461 flights with layovers on the route. The fastest connecting flight is UA490 by United Airlines takes 5h 21m.

  • AS - Alaska Airlines
    from $256
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  • SY - Sun Country Airlines
    from $166
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  • HA - Hawaiian Airlines
    from $243
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  • UA - United Airlines
    from $225
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  • NK - Spirit Airlines
    from $92
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Airports

You can fly from San Antonio to Houston from 5 airports (Randolph AFB, Martindale AAF, San Antonio, Kelly AFB, Stinson Municipal).

San Antonio airports

  • Randolph AFB-RND
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  • Martindale AAF-MDA
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  • San Antonio-SAT
    from $92
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  • Kelly AFB-SKF
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  • Stinson Municipal-SSF
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Houston airports

  • Ellington Field-EFD
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  • West Houston-IWS
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  • Hobby-HOU
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  • Park Ten Heliport-JPT
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  • Andrau Airpark-AAP
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  • George Bush-IAH
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  • Greenway Plaza H/P-JGP
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  • David Wayne Hooks-DWH
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  • Transco Twr Galleria-JGQ
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  • Westchase Hilton H/P-JWH
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  • Spaceland-SPX
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  • Woodlawns-JWL
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  • Marriot Astrodome Heliport-JMA
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  • Central Bus. District-JDX
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  • Houston Municipal-SGR
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How to book a plane ticket yourself?

How to book an air ticket yourself?
  • Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
  • Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
  • Click «Buy» when you are ready — our system will redirect you to the site that sells the selected flight ticket.
  • Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
  • That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.

    To find a plane ticket, please select dates.

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