Cheap Flights from San Antonio, TX to Houston, TX from $81

Return flight: Houston – San Antonio
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On Cheapflightsplus.com you will find 21 direct and 334 connecting flights from San Antonio to Houston. You can compare airfare deals from 5 airlines and multiple travel sites from $81, 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: $81 (one-way), $139 (round-trip).
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Best Flights from San Antonio to Houston Today

Take a look at the list of non stop flights and flights with layovers from San Antonio to Houston with the lowest price of $81. The fastest direct flight takes 1h 3m and the fastest connecting – 5h 21m.
Price Departure Arrival Flight Duration Airline Flight
from $81
Find flight
16:22
San Antonio
San Antonio
 17:25
Houston
George Bush
 1h 3m United Airlines
UA2157
from $81
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05:30
San Antonio
San Antonio
 06:34
Houston
George Bush
 1h 4m United Airlines
UA469
from $81
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07:15
San Antonio
San Antonio
 08:19
Houston
George Bush
 1h 4m United Airlines
UA1486
from $81
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11:45
San Antonio
San Antonio
 12:49
Houston
George Bush
 1h 4m United Airlines
UA1282
from $81
Find flight
16:21
San Antonio
San Antonio
 17:25
Houston
George Bush
 1h 4m United Airlines
UA1066
from $81
Find flight
12:12
San Antonio
San Antonio
 13:17
Houston
George Bush
 1h 5m United Airlines
UA2498
from $81
Find flight
17:58
San Antonio
San Antonio
 19:03
Houston
George Bush
 1h 5m United Airlines
UA2396
from $81
Find flight
19:15
San Antonio
San Antonio
 20:20
Houston
George Bush
 1h 5m United Airlines
UA2474
from $81
Find flight
09:39
San Antonio
San Antonio
 10:45
Houston
George Bush
 1h 6m United Airlines
UA1798
from $129
Find flight
16:31
San Antonio
San Antonio
 17:35
Houston
George Bush
 1h 4m United Airlines
UA1494
from $172
Find flight
16:17
San Antonio
San Antonio
 17:25
Houston
George Bush
 1h 8m United Airlines
UA5785
from $81
Find flight
12:09
San Antonio
San Antonio
 22:04
Houston
George Bush
 9h 55m
layover
5h 24m - Atlanta
 Spirit Airlines
NK1197
NK967
from $98
Find flight
05:20
San Antonio
San Antonio
 20:20
Houston
George Bush
 15h 0m
layover
9h 41m - Orlando
 Spirit Airlines
NK447
NK1376
from $115
Find flight
16:20
San Antonio
San Antonio
 23:39
Houston
George Bush
 7h 19m
layover
1h 18m - Las Vegas
 Spirit Airlines
NK2702
NK2380
from $113
Find flight
12:09
San Antonio
San Antonio
 00:15+1 день
Houston
George Bush
 12h 6m
layover
3h 56m - Atlanta
1h 45m - Orlando
 Spirit Airlines
NK1197
NK3135
NK1576
from $132
Find flight
16:20
San Antonio
San Antonio
 08:42+1 день
Houston
George Bush
 16h 22m
layover
6h 12m - Las Vegas
1h 5m - Atlanta
 Spirit Airlines
NK2702
NK2573
NK2574
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*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on June 24, 2025
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$81
07:15 — 08:19
07:15 — 08:19 UA1486 United Airlines
San Antonio — Houston
1h 4m
Find flight
from$81
09:39 — 10:45
09:39 — 10:45 UA1798 United Airlines
San Antonio — Houston
1h 6m
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from$81
09:50 — 10:56
09:50 — 10:56 UA349 United Airlines
San Antonio — Houston
1h 6m
Find flight
from$81
11:45 — 12:49
11:45 — 12:49 UA1282 United Airlines
San Antonio — Houston
1h 4m
Find flight
from$81
12:00 — 13:05
12:00 — 13:05 UA1428 United Airlines
San Antonio — Houston
1h 5m
Find flight
from$129
12:12 — 13:17
12:12 — 13:17 UA2498 United Airlines
San Antonio — Houston
1h 5m
Find flight
from$81
12:13 — 13:21
12:13 — 13:21 UA6104 United Airlines
San Antonio — Houston
1h 8m
Find flight
from$130
14:15 — 15:25
14:15 — 15:25 UA6050 United Airlines
San Antonio — Houston
1h 10m
Find flight
from$81
14:15 — 15:25
14:15 — 15:25 UA6143 United Airlines
San Antonio — Houston
1h 10m
Find flight
from$129
16:17 — 17:25
16:17 — 17:25 UA6153 United Airlines
San Antonio — Houston
1h 8m
Find flight
from$129
16:17 — 17:25
16:17 — 17:25 UA5785 United Airlines
San Antonio — Houston
1h 8m
Find flight
from$172
16:17 — 17:25
16:17 — 17:25 UA5629 United Airlines
San Antonio — Houston
1h 8m
Find flight
from$174
16:21 — 17:25
16:21 — 17:25 UA1066 United Airlines
San Antonio — Houston
1h 4m
Find flight
from$81
16:22 — 17:25
16:22 — 17:25 UA2157 United Airlines
San Antonio — Houston
1h 3m
Find flight
from$81
16:31 — 17:35
16:31 — 17:35 UA1494 United Airlines
San Antonio — Houston
1h 4m
Find flight
from$129
17:56 — 19:02
17:56 — 19:02 UA2170 United Airlines
San Antonio — Houston
1h 6m
Find flight
from$81
17:56 — 19:05
17:56 — 19:05 UA2078 United Airlines
San Antonio — Houston
1h 9m
Find flight
from$81
17:58 — 19:03
17:58 — 19:03 UA2396 United Airlines
San Antonio — Houston
1h 5m
Find flight
from$81
19:15 — 20:20
19:15 — 20:20 UA2474 United Airlines
San Antonio — Houston
1h 5m
Find flight
from$81
19:35 — 20:44
19:35 — 20:44 UA6298 United Airlines
San Antonio — Houston
1h 9m
Find flight
from$81
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$98
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
Find flight
from$81
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
Find flight
from$81
14:11 — 05:35
+1 day
14:11 — 15:31 NK1274 Spirit Airlines
San Antonio — Los Angeles
8h 41m stop
00:12 — 05:35 NK1144 Spirit Airlines
Los Angeles — Houston
15h 24m
including layover
Find flight
from$90
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
Find flight
from$131
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$117
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
Find flight
from$113
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$113
*Departure and arrival times - local. Updated on June 24, 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 $81. 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
$81
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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 - 26 departures per week at the price of from $ 201 . And the most expensive tickets are offered by Alaska Airlines airline - from $ 5860.

Direct flights

There are 21 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 $81.

  • UA - United Airlines
    from $81
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Connecting Flights

There are 334 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 $81.

  • AS - Alaska Airlines
    from $201
    Find
  • SY - Sun Country Airlines
    from $131
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  • HA - Hawaiian Airlines
    from $191
    Find
  • UA - United Airlines
    from $177
    Find
  • NK - Spirit Airlines
    from $81
    Find
See more connecting flights

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 $81
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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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Airplanes

There are flights to Houston from San Antonio by 5 airlines that use 0 aircraft brands. They range from huge modern airplanes to small-sized.

Top Domestic Destinations from San Antonio

You may also consider searching for discounted plane tickets to some other popular places from San Antonio within United States.

Top International Destinations from San Antonio

Our state-of-the art metasearch will definitely provide you with the best airfare on international flights. We’re proud to partner with many reliable travel suppliers located outside the US what gives us an opportunity to offer the most competitive prices on far destinations.

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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