Cheap Flights from San Antonio, TX to Houston, TX from $108

Return flight: Houston – San Antonio

On Cheapflightsplus.com you will find 17 direct and 218 connecting flights from San Antonio to Houston. You can compare airfare deals from 5 airlines and multiple travel sites from $108, 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: $108 (one-way), $185 (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$108
07:15 — 08:19
07:15 — 08:19 UA1486 United Airlines
San Antonio — Houston
1h 4m
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from$108
09:39 — 10:45
09:39 — 10:45 UA1798 United Airlines
San Antonio — Houston
1h 6m
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from$109
09:50 — 10:56
09:50 — 10:56 UA349 United Airlines
San Antonio — Houston
1h 6m
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from$108
11:45 — 12:49
11:45 — 12:49 UA1282 United Airlines
San Antonio — Houston
1h 4m
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from$108
12:12 — 13:17
12:12 — 13:17 UA2498 United Airlines
San Antonio — Houston
1h 5m
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from$109
12:13 — 13:21
12:13 — 13:21 UA6104 United Airlines
San Antonio — Houston
1h 8m
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from$196
14:15 — 15:25
14:15 — 15:25 UA6050 United Airlines
San Antonio — Houston
1h 10m
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from$109
16:17 — 17:25
16:17 — 17:25 UA5785 United Airlines
San Antonio — Houston
1h 8m
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from$230
16:17 — 17:25
16:17 — 17:25 UA5629 United Airlines
San Antonio — Houston
1h 8m
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from$232
16:21 — 17:25
16:21 — 17:25 UA1066 United Airlines
San Antonio — Houston
1h 4m
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from$109
16:22 — 17:25
16:22 — 17:25 UA2157 United Airlines
San Antonio — Houston
1h 3m
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from$108
17:56 — 19:05
17:56 — 19:05 UA2078 United Airlines
San Antonio — Houston
1h 9m
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from$108
17:56 — 19:02
17:56 — 19:02 UA2170 United Airlines
San Antonio — Houston
1h 6m
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from$109
17:58 — 19:03
17:58 — 19:03 UA2396 United Airlines
San Antonio — Houston
1h 5m
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from$109
19:15 — 20:20
19:15 — 20:20 UA2474 United Airlines
San Antonio — Houston
1h 5m
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from$109
19:35 — 20:44
19:35 — 20:44 UA6298 United Airlines
San Antonio — Houston
1h 9m
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from$108
05:20 — 20:20
05:20 — 09:06 NK447 Spirit Airlines
San Antonio — Orlando
9h 41m stop
18:47 — 20:20 NK1376 Spirit Airlines
Orlando — Houston
15h
including layover
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from$131
12:09 — 22:04
12:09 — 15:34 NK1197 Spirit Airlines
San Antonio — Atlanta
5h 24m stop
20:58 — 22:04 NK967 Spirit Airlines
Atlanta — Houston
9h 55m
including layover
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from$108
12:09 — 09:57
+1 day
12:09 — 15:34 NK1197 Spirit Airlines
San Antonio — Atlanta
17h 14m stop
08:48 — 09:57 NK1111 Spirit Airlines
Atlanta — Houston
21h 48m
including layover
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from$108
14:50 — 00:19
+1 day
14:50 — 16:02 NK849 Spirit Airlines
San Antonio — Los Angeles
2h 55m stop
18:57 — 00:19 NK804 Spirit Airlines
Los Angeles — Houston
9h 29m
including layover
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from$120
18:35 — 20:54
+1 day
18:35 — 21:19 SY1836 Sun Country Airlines
San Antonio — Minneapolis
20h 41m stop
18:00 — 20:54 SY1681 Sun Country Airlines
Minneapolis — Houston
26h 19m
including layover
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from$175
20:10 — 13:44
+1 day
20:10 — 21:22 NK849 Spirit Airlines
San Antonio — Los Angeles
10h 58m stop
08:20 — 13:44 NK421 Spirit Airlines
Los Angeles — Houston
17h 34m
including layover
Find flight
from$157
06:00 — 22:04
06:00 — 06:44 NK1059 Spirit Airlines
San Antonio — Las Vegas
4h 42m stop
11:26 — 18:24 NK1203 Spirit Airlines
Las Vegas — Atlanta
2h 34m stop
20:58 — 22:04 NK967 Spirit Airlines
Atlanta — Houston
16h 4m
including layover
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from$150
06:00 — 22:04
06:00 — 06:44 NK1059 Spirit Airlines
San Antonio — Las Vegas
41m stop
07:25 — 14:30 NK331 Spirit Airlines
Las Vegas — Atlanta
6h 28m stop
20:58 — 22:04 NK967 Spirit Airlines
Atlanta — Houston
16h 4m
including layover
Find flight
from$150
*Departure and arrival times - local. Updated on July 15, 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 20:48 from 5 San Antonio airports and arrive 05:15 to 20:48 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 20:48
  • Distance 193 ml

The cheapest months to travel to Houston are june (from 108 $), september (from 108 $), august (from 109 $).

The most expensive months are december (from 739 $), january (from 679 $), february (from 373 $).

What is the lowest airfare San Antonio to Houston?

The cheapest plane ticket found by our users is $108. This airfare is for economy class on one-way UA1486 flight by United Airlines for September 27, 2025 which leaves San Antonio in San Antonio at 07:15 am and arrives at Houston George Bush at 08:19.

Economy class
$108
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Business class
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First class
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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 - 17 departures per week at the price of from $ 268 . And the most expensive tickets are offered by Alaska Airlines airline - from $ 6518.

Direct flights

There are 17 nonstop flights on the route. The fastest direct flight is UA2157 by United Airlines takes 1h 3m and the cheapest is UA1486 by United Airlines for $108.

  • UA - United Airlines
    from $108
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Connecting Flights

There are 218 flights with layovers on the route. The fastest connecting flight is UA490 by United Airlines takes 5h 21m and the cheapest is UA1486 by United Airlines for $108.

  • AS - Alaska Airlines
    from $268
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  • SY - Sun Country Airlines
    from $175
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  • HA - Hawaiian Airlines
    from $255
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  • UA - United Airlines
    from $236
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  • NK - Spirit Airlines
    from $108
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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 $108
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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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