$89+ Cheap flights from Houston to San Antonio (SAT)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — SAT
Sep 1 — Sep 81
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Houston to San Antonio with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Houston to San Antonio
Cheapest
Best
Last-minute
One-way
Cheapest flights from Houston to San AntonioExplore the most affordable flight options available from Houston to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 2, 2026.
Explore the most affordable flight options available from Houston to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 2, 2026.
This United Airlines deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/126:45 pm
IAH
- SAT
Nonstop1h 08m
United Airlines
Mon 9/145:59 pm
SAT
- IAH
Nonstop1h 11m
United Airlines
Deal found 7/31![United Airlines logo]()
$177
This Southwest deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/141:45 pm
HOU
- SAT
Nonstop1h 00m
Southwest
Mon 9/216:50 pm
SAT
- HOU
Nonstop1h 05m
Southwest
Deal found 7/31![Southwest logo]()
$177
This Kiwi.com deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2611:35 am
IAH
- SAT
1 stop7h 56m
Frontier
Wed 9/28:26 pm
SAT
- IAH
1 stop13h 25m
Frontier
Deal found 7/28![Frontier logo]()
$182
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/111:35 am
IAH
- SAT
1 stop7h 56m
Frontier
Wed 9/28:26 pm
SAT
- IAH
1 stop28h 29m
Frontier
Deal found 7/30![Frontier logo]()
$183
This Southwest deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/87:00 am
HOU
- SAT
1 stop3h 10m
Southwest
Tue 9/157:35 am
SAT
- HOU
Nonstop0h 55m
Southwest
Deal found 7/31![Southwest logo]()
$187
This Southwest deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/12:40 pm
HOU
- SAT
Nonstop1h 00m
Southwest
Wed 9/210:50 am
SAT
- HOU
2 stops9h 05m
Southwest
Deal found 7/30![Southwest logo]()
$192
This American Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/275:00 am
IAH
- SAT
1 stop3h 32m
American Airlines
Thu 9/310:59 am
SAT
- IAH
1 stop4h 32m
American Airlines
Deal found 7/30![American Airlines logo]()
$197
This Kiwi.com deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2810:38 pm
IAH
- SAT
1 stop20h 47m
Frontier
Wed 10/78:20 pm
SAT
- IAH
1 stop22h 43m
Frontier
Deal found 8/1![Frontier logo]()
$201
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1410:38 pm
IAH
- SAT
1 stop20h 47m
Frontier
Mon 9/218:20 pm
SAT
- IAH
1 stop13h 15m
Frontier
Deal found 7/30![Frontier logo]()
$205
This United Airlines deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/512:20 pm
IAH
- SAT
Nonstop1h 09m
United Airlines
Mon 9/75:59 pm
SAT
- IAH
Nonstop1h 11m
United Airlines
Deal found 8/1![United Airlines logo]()
$206
This Kiwi.com deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2511:35 am
IAH
- SAT
1 stop7h 56m
Frontier
Fri 8/288:26 pm
SAT
- IAH
1 stop14h 08m
Frontier
Deal found 7/28![Frontier logo]()
$207
This United Airlines deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/269:30 am
IAH
- SAT
Nonstop1h 06m
United Airlines
Wed 9/24:12 pm
SAT
- IAH
Nonstop1h 13m
United Airlines
Deal found 7/28![United Airlines logo]()
$217
Best flights from Houston to San AntonioDiscover carefully curated flight deals from Houston to San Antonio that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 2, 2026.
Discover carefully curated flight deals from Houston to San Antonio that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 2, 2026.
This United Airlines deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/228:05 pm
IAH
- SAT
Nonstop1h 11m
United Airlines
Thu 9/247:25 pm
SAT
- IAH
Nonstop1h 10m
United Airlines
Deal found 8/1![United Airlines logo]()
$177
This Southwest deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/211:20 am
HOU
- SAT
Nonstop1h 00m
Southwest
Thu 9/36:50 pm
SAT
- HOU
Nonstop1h 05m
Southwest
Deal found 8/1![Southwest logo]()
$177
This United Airlines deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/146:45 pm
IAH
- SAT
Nonstop1h 08m
United Airlines
Mon 9/212:15 pm
SAT
- IAH
Nonstop1h 09m
United Airlines
Deal found 8/1![United Airlines logo]()
$177
This Southwest deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/141:45 pm
HOU
- SAT
Nonstop1h 00m
Southwest
Mon 9/216:50 pm
SAT
- HOU
Nonstop1h 05m
Southwest
Deal found 8/1![Southwest logo]()
$177
This Southwest deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1511:20 am
HOU
- SAT
Nonstop1h 00m
Southwest
Tue 9/2212:55 pm
SAT
- HOU
Nonstop1h 00m
Southwest
Deal found 8/1![Southwest logo]()
$177
This United Airlines deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/512:20 pm
IAH
- SAT
Nonstop1h 09m
United Airlines
Mon 9/75:59 pm
SAT
- IAH
Nonstop1h 11m
United Airlines
Deal found 8/1![United Airlines logo]()
$206
This Southwest deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/86:00 am
HOU
- SAT
1 stop4h 10m
Southwest
Tue 9/156:50 am
SAT
- HOU
2 stops6h 55m
Southwest
Deal found 7/31![Southwest logo]()
$202
This United Airlines deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/86:45 pm
IAH
- SAT
Nonstop1h 08m
United Airlines
Tue 9/154:12 pm
SAT
- IAH
Nonstop1h 13m
United Airlines
Deal found 7/28![United Airlines logo]()
$217
This Southwest deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1210:40 am
HOU
- SAT
Nonstop1h 00m
Southwest
Sat 9/193:40 pm
SAT
- HOU
Nonstop1h 00m
Southwest
Deal found 7/29![Southwest logo]()
$217
This Southwest deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/178:55 pm
HOU
- SAT
Nonstop1h 05m
Southwest
Sat 9/193:40 pm
SAT
- HOU
Nonstop1h 00m
Southwest
Deal found 7/28![Southwest logo]()
$217
This United Airlines deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/29:35 pm
IAH
- SAT
Nonstop1h 04m
United Airlines
Thu 9/35:30 am
SAT
- IAH
Nonstop1h 03m
United Airlines
Deal found 8/1![United Airlines logo]()
$247
This United Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/69:47 pm
IAH
- SAT
Nonstop1h 04m
United Airlines
Wed 10/79:48 am
SAT
- IAH
Nonstop1h 13m
United Airlines
Deal found 7/30![United Airlines logo]()
$247
This Southwest deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/208:55 pm
HOU
- SAT
Nonstop1h 00m
Southwest
Mon 8/247:20 am
SAT
- HOU
1 stop6h 55m
Southwest
Deal found 7/30![Southwest logo]()
$227
This United Airlines deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/247:30 am
IAH
- SAT
Nonstop1h 08m
United Airlines
Mon 9/285:58 pm
SAT
- IAH
Nonstop1h 11m
United Airlines
Deal found 7/31![United Airlines logo]()
$247
This United Airlines deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/59:47 pm
IAH
- SAT
Nonstop1h 04m
United Airlines
Tue 10/67:25 pm
SAT
- IAH
Nonstop1h 10m
United Airlines
Deal found 7/31![United Airlines logo]()
$247
This United Airlines deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/282:35 pm
IAH
- SAT
Nonstop1h 08m
United Airlines
Fri 9/49:30 am
SAT
- IAH
Nonstop1h 13m
United Airlines
Deal found 7/31![United Airlines logo]()
$277
This United Airlines deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/87:30 am
IAH
- SAT
Nonstop1h 08m
United Airlines
Sun 10/117:25 pm
SAT
- IAH
Nonstop1h 10m
United Airlines
Deal found 7/31![United Airlines logo]()
$297
Last-minute flights from Houston to San AntonioDiscover last-minute flight deals from Houston to San Antonio. Data last updated August 2, 2026 and is based on user searches.
Discover last-minute flight deals from Houston to San Antonio. Data last updated August 2, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/201:45 pm
HOU
- SAT
Nonstop1h 00m
Southwest
Mon 8/241:00 pm
SAT
- HOU
Nonstop1h 00m
Southwest
Deal found 7/30![Southwest logo]()
$217
This Kiwi.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/206:30 am
IAH
- SAT
1 stop13h 01m
Frontier
Mon 8/248:26 pm
SAT
- IAH
1 stop14h 08m
Frontier
Deal found 7/29![Frontier logo]()
$219
This Southwest deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/211:45 pm
HOU
- SAT
Nonstop1h 00m
Southwest
Mon 8/246:00 am
SAT
- HOU
Nonstop1h 00m
Southwest
Deal found 7/29![Southwest logo]()
$252
This Kiwi.com deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2511:35 am
IAH
- SAT
1 stop7h 56m
Frontier
Fri 8/288:26 pm
SAT
- IAH
1 stop14h 08m
Frontier
Deal found 7/28![Frontier logo]()
$207
This United Airlines deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/252:35 pm
IAH
- SAT
Nonstop1h 08m
United Airlines
Fri 8/282:15 pm
SAT
- IAH
Nonstop1h 09m
United Airlines
Deal found 7/28![United Airlines logo]()
$252
This Kiwi.com deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2611:35 am
IAH
- SAT
1 stop7h 56m
Frontier
Wed 9/28:26 pm
SAT
- IAH
1 stop13h 25m
Frontier
Deal found 7/28![Frontier logo]()
$182
This United Airlines deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/269:30 am
IAH
- SAT
Nonstop1h 06m
United Airlines
Wed 9/24:12 pm
SAT
- IAH
Nonstop1h 13m
United Airlines
Deal found 7/28![United Airlines logo]()
$217
This Kiwi.com deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/264:32 pm
IAH
- SAT
2 stops16h 43m
Multiple Airlines
Wed 9/28:26 pm
SAT
- IAH
1 stop13h 25m
Multiple Airlines
Deal found 7/28![Multiple Airlines logo]()
$251
This Southwest deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2710:05 am
HOU
- SAT
Nonstop1h 05m
Southwest
Mon 8/316:00 am
SAT
- HOU
Nonstop1h 00m
Southwest
Deal found 8/1![Southwest logo]()
$177
This American Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/275:00 am
IAH
- SAT
1 stop3h 32m
American Airlines
Thu 9/310:59 am
SAT
- IAH
1 stop4h 32m
American Airlines
Deal found 7/30![American Airlines logo]()
$197
This United Airlines deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/276:50 pm
IAH
- SAT
Nonstop1h 08m
United Airlines
Mon 8/314:12 pm
SAT
- IAH
Nonstop1h 13m
United Airlines
Deal found 8/1![United Airlines logo]()
$248
This American Airlines deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/296:14 pm
HOU
- SAT
1 stop4h 40m
American Airlines
Sun 8/307:10 pm
SAT
- HOU
1 stop4h 46m
American Airlines
Deal found 7/31![American Airlines logo]()
$247
One-way flights from Houston to San AntonioSearch for one-way flight options from Houston to San Antonio. Find affordable one-way fares based on user searches. Data last updated August 2, 2026.
Search for one-way flight options from Houston to San Antonio. Find affordable one-way fares based on user searches. Data last updated August 2, 2026.
This United Airlines deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/56:50 pm
IAH
- SAT
Nonstop1h 08m
United Airlines
Deal found 8/1![United Airlines logo]()
$89
This Southwest deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/3110:05 am
HOU
- SAT
Nonstop1h 05m
Southwest
Deal found 8/1![Southwest logo]()
$89
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/267:58 pm
IAH
- SAT
1 stop14h 14m
Frontier
Deal found 7/30![Frontier logo]()
$92
This Kiwi.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2611:35 am
IAH
- SAT
1 stop7h 56m
Frontier
Deal found 7/29![Frontier logo]()
$93
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2911:35 am
IAH
- SAT
1 stop7h 56m
Frontier
Deal found 7/30![Frontier logo]()
$94
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2610:30 am
IAH
- SAT
1 stop8h 55m
Frontier
Deal found 7/30![Frontier logo]()
$96
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2810:38 pm
IAH
- SAT
1 stop20h 47m
Frontier
Deal found 7/30![Frontier logo]()
$97
This Kiwi.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2511:35 am
IAH
- SAT
1 stop7h 56m
Frontier
Deal found 7/29![Frontier logo]()
$98
This American Airlines deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/314:21 pm
IAH
- SAT
1 stop6h 29m
American Airlines
Deal found 8/1![American Airlines logo]()
$99
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3010:15 pm
IAH
- SAT
1 stop11h 57m
Frontier
Deal found 7/30![Frontier logo]()
$103
This Southwest deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/211:20 am
HOU
- SAT
2 stops5h 30m
Southwest
Deal found 7/31![Southwest logo]()
$104
This United Airlines deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/199:35 pm
IAH
- SAT
Nonstop1h 04m
United Airlines
Deal found 7/28![United Airlines logo]()
$109
Find flight deals from Houston to San Antonio
Discover tips and strategies to find the most affordable flight options for your journey from Houston (HO1) to San Antonio (SAT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 2, 2026.
Round-trip from | $177 (United Airlines) |
|---|---|
One-way from | $89 (United Airlines) |
Popular in | January |
Cheapest in | October |
Average price | $311 |
Cheapflights Fare Finder
Customize your flight search to find flights from Houston to San Antonio that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 2, 2026.
Use the filters below to find and compare flights from Houston to San Antonio that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
HoustonSan Antonio
IAH - SAT
IAHSAT
Houston George Bush Intcntl
Tue 9/22
8:05 pm-9:16 pm
Nonstop1h 11m
San Antonio
Thu 9/24
7:25 pm-8:35 pm
Nonstop1h 10m
$177
HoustonSan Antonio
HOU - SAT
HOUSAT
Houston Hobby
Wed 9/2
11:20 am-12:20 pm
Nonstop1h 00m
San Antonio
Thu 9/3
6:50 pm-7:55 pm
Nonstop1h 05m
$177
HoustonSan Antonio
IAH - SAT
IAHSAT
Houston George Bush Intcntl
Mon 9/14
6:45 pm-7:53 pm
Nonstop1h 08m
San Antonio
Mon 9/21
2:15 pm-3:24 pm
Nonstop1h 09m
$177
HoustonSan Antonio
HOU - SAT
HOUSAT
Houston Hobby
Mon 9/14
1:45 pm-2:45 pm
Nonstop1h 00m
San Antonio
Mon 9/21
6:50 pm-7:55 pm
Nonstop1h 05m
$177
Quickest round-trip
HoustonSan Antonio
HOU - SAT
HOUSAT
Houston Hobby
Tue 9/15
11:20 am-12:20 pm
Nonstop1h 00m
San Antonio
Tue 9/22
12:55 pm-1:55 pm
Nonstop1h 00m
$177
HoustonSan Antonio
HOU - SAT
HOUSAT
Houston Hobby
Tue 9/8
6:00 am-10:10 am
1 stop4h 10m
San Antonio
Tue 9/15
6:50 am-1:45 pm
2 stops6h 55m
$202
HoustonSan Antonio
IAH - SAT
IAHSAT
Houston George Bush Intcntl
Sat 9/5
12:20 pm-1:29 pm
Nonstop1h 09m
San Antonio
Mon 9/7
5:59 pm-7:10 pm
Nonstop1h 11m
$206
HoustonSan Antonio
IAH - SAT
IAHSAT
Houston George Bush Intcntl
Tue 9/8
6:45 pm-7:53 pm
Nonstop1h 08m
San Antonio
Tue 9/15
4:12 pm-5:25 pm
Nonstop1h 13m
$217
HoustonSan Antonio
HOU - SAT
HOUSAT
Houston Hobby
Sat 9/12
10:40 am-11:40 am
Nonstop1h 00m
San Antonio
Sat 9/19
3:40 pm-4:40 pm
Nonstop1h 00m
$217
HoustonSan Antonio
HOU - SAT
HOUSAT
Houston Hobby
Thu 9/17
8:55 pm-10:00 pm
Nonstop1h 05m
San Antonio
Sat 9/19
3:40 pm-4:40 pm
Nonstop1h 00m
$217
Showing 1-10 of 35 resultsSorted by cheapest first
Best time to book a flight from Houston to San Antonio
Have a flexible travel schedule? Discover the best time to fly to San Antonio from Houston with our price prediction graph.
HO1-SAT
IAH-SAT
HOU-SAT
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Houston to San Antonio
HO1-SAT
IAH-SAT
HOU-SAT
What is the cheapest month to book a flight from Houston to San Antonio?
Currently, October is the cheapest month in which you can book a flight from Houston to San Antonio (average of $197). Flying from Houston to San Antonio in July is currently the most expensive (average of $638). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from HOU to SAT?
Find hourly flight availability from Houston to San Antonio. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 2, 2026.
When flying from Houston to San Antonio, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 35% versus a flight in the evening.
What is the cheapest day to fly from Houston to San Antonio?
Use this chart to determine the cheapest time to fly round-trip from Houston to San Antonio. Price data was last updated on August 1, 2026.
Travelers seeking maximum savings on their Houston to San Antonio flight should consider departing on Monday afternoons when fares are most often at their lowest. Monday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
The best insider tips for Houston to San Antonio flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Houston to San Antonio trip
Our travel experts
Reviews of airlines servicing San Antonio
Get insights into the airlines that provide service to San Antonio. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Antonio. Reviews last updated August 2, 2026.
Get a feel of what it's like to fly with Southwest and United Airlines from Houston to San Antonio by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.6
Food
7.0
Overall
8.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Crew
8.6
Food
7.0
Overall
8.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Crew
8.6
Food
7.0
Overall
8.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Related info for your journey
Find useful and relevant information for your journey from Houston to San Antonio. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near San Antonio?
Book flights to San Antonio if you plan to visit one of these locationsNew Braunfels
Kerrville
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
San Antonio flight routes
Top destinations
Alternative routes for Houston to San Antonio
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to San Antonio by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Houston to San Antonio by cabin class
Find flights from Houston to San Antonio, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Houston and San Antonio flights
Browse other Houston and San Antonio flight options. Last updated on August 2, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to San Antonio
Explore flights to San Antonio departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 2, 2026.
Houston to San Antonio flights
Consider these flights traveling from Houston to San Antonio.
Top 2 airlines flying from Houston to San Antonio
Discover the top 2 airlines that operate flights from Houston to San Antonio. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 2, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$97 | Average$449 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$157 | Average$420 | FlexibilityNo cancel fee | On-time63% |