$80+ Flights from San Antonio to Houston - Compare & Save Big

One-way flight from San Antonio to Houston

Highest demand for flights based on searches. 14% potential increase in price ($59 potential increase over avg. RT price).

Cheapest flight prices on average. 5% potential price decrease ($18 potential savings vs. average RT price).

Average for round-trip flights in April 2025

Find flight deals from San Antonio to Houston

Cheapest flights from San Antonio to Houston
Explore the most affordable flight options available from San Antonio to Houston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on abril 30, 2025.

mar. 5/276:45 amSAT - IAH

1 stop10h 08mSpirit Airlines

mar. 6/38:44 pmIAH - SAT

1 stop26h 07mSpirit Airlines

Deal found 4/29

$195

mar. 5/275:30 amSAT - IAH

Nonstop1h 06mUnited Airlines

mar. 6/38:25 pmIAH - SAT

Nonstop1h 07mUnited Airlines

Deal found 4/29

$197

mar. 6/37:50 pmSAT - HOU

Nonstop1h 00mSouthwest

jue. 6/58:20 pmHOU - SAT

Nonstop1h 00mSouthwest

Deal found 4/28

$209

sáb. 6/216:17 pmSAT - IAH

1 stop5h 42mAmerican Airlines

dom. 6/295:00 amIAH - SAT

1 stop3h 25mAmerican Airlines

Deal found 4/29

$289

sáb. 6/219:15 amSAT - HOU

1 stop4h 43mAmerican Airlines

dom. 6/295:00 amHOU - SAT

1 stop3h 25mAmerican Airlines

Deal found 4/29

$289

mar. 6/312:36 pmSAT - IAH

1 stop6h 24mFrontier

jue. 6/511:38 amIAH - SAT

2 stops22h 22mFrontier

Deal found 4/28

$631

Best flights from San Antonio to Houston
Discover carefully curated flight deals from San Antonio to Houston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated abril 30, 2025.

mar. 5/276:45 amSAT - IAH

1 stop10h 08mSpirit Airlines

mar. 6/38:44 pmIAH - SAT

1 stop26h 07mSpirit Airlines

Deal found 4/29

$195

mar. 5/275:30 amSAT - IAH

Nonstop1h 06mUnited Airlines

mar. 6/38:25 pmIAH - SAT

Nonstop1h 07mUnited Airlines

Deal found 4/29

$197

jue. 5/295:40 amSAT - HOU

Nonstop1h 00mSouthwest

jue. 6/58:15 amHOU - SAT

Nonstop1h 00mSouthwest

Deal found 4/29

$221

sáb. 6/216:17 pmSAT - IAH

1 stop5h 42mAmerican Airlines

dom. 6/295:00 amIAH - SAT

1 stop3h 25mAmerican Airlines

Deal found 4/29

$289

sáb. 6/219:15 amSAT - HOU

1 stop4h 43mAmerican Airlines

dom. 6/295:00 amHOU - SAT

1 stop3h 25mAmerican Airlines

Deal found 4/29

$289

mar. 6/312:36 pmSAT - IAH

1 stop6h 24mFrontier

jue. 6/511:38 amIAH - SAT

2 stops22h 22mFrontier

Deal found 4/28

$631

Last-minute flights from San Antonio to Houston
Discover last-minute flight deals from San Antonio to Houston. Data last updated abril 30, 2025 and is based on user searches.

dom. 5/45:00 amSAT - HOU

1 stop3h 44mAmerican Airlines

lun. 5/55:00 amHOU - SAT

1 stop3h 37mAmerican Airlines

Deal found 4/29

$625

mar. 5/65:03 pmSAT - IAH

1 stop14h 44mSpirit Airlines

mié. 5/75:53 pmIAH - SAT

1 stop19h 04mSpirit Airlines

Deal found 4/29

$257

mar. 5/65:30 amSAT - IAH

Nonstop1h 06mUnited Airlines

mar. 5/610:05 amIAH - SAT

Nonstop1h 11mUnited Airlines

Deal found 4/29

$450

mar. 5/66:00 amSAT - IAH

1 stop3h 19mAmerican Airlines

mar. 5/612:18 pmIAH - SAT

1 stop5h 34mAmerican Airlines

Deal found 4/29

$469

vie. 5/911:10 amSAT - HOU

Nonstop1h 00mSouthwest

lun. 5/121:10 pmHOU - SAT

Nonstop1h 05mSouthwest

Deal found 4/28

$415

dom. 5/186:40 amSAT - HOU

Nonstop1h 00mSouthwest

dom. 5/256:55 pmHOU - SAT

Nonstop1h 00mSouthwest

Deal found 4/27

$284

dom. 5/185:00 amSAT - IAH

1 stop3h 10mAmerican Airlines

dom. 5/256:29 pmIAH - SAT

1 stop3h 34mAmerican Airlines

Deal found 4/27

$331

vie. 5/238:34 pmSAT - HOU

1 stop3h 24mAmerican Airlines

sáb. 6/75:00 amHOU - SAT

1 stop3h 27mAmerican Airlines

Deal found 4/28

$310

mar. 5/276:45 amSAT - IAH

1 stop10h 08mSpirit Airlines

mar. 6/38:44 pmIAH - SAT

1 stop26h 07mSpirit Airlines

Deal found 4/29

$195

mar. 5/275:30 amSAT - IAH

Nonstop1h 06mUnited Airlines

mar. 6/38:25 pmIAH - SAT

Nonstop1h 07mUnited Airlines

Deal found 4/29

$197

One-way flights from San Antonio to Houston
Search for one-way flight options from San Antonio to Houston. Find affordable one-way fares based on user searches. Data last updated abril 30, 2025.

mar. 5/131:52 pmSAT - IAH

1 stop17h 55mSpirit Airlines

Deal found 4/29

$80

mar. 6/35:30 amSAT - IAH

Nonstop1h 06mUnited Airlines

Deal found 4/29

$99

mié. 5/281:05 pmSAT - HOU

Nonstop1h 00mSouthwest

Deal found 4/28

$99

vie. 6/205:00 amSAT - IAH

1 stop3h 31mAmerican Airlines

Deal found 4/29

$145

mar. 7/16:30 amSAT - IAH

1 stop5h 36mDelta

Deal found 4/28

$166

mar. 7/16:30 amSAT - HOU

1 stop14h 14mDelta

Deal found 4/28

$171

mar. 5/275:00 amSAT - HOU

1 stop3h 42mAmerican Airlines

Deal found 4/27

$175

vie. 5/911:42 amSAT - HOU

2 stops33h 03mMultiple Airlines

Deal found 4/29

$195

dom. 6/226:35 pmSAT - IAH

2 stops25h 09mMultiple Airlines

Deal found 4/28

$205

Cheapflights Fare Finder

Use the filters below to find and compare flights from San Antonio to Houston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San AntonioHouston

SAT - IAH

SATIAH

San Antonio

mar. 5/27

6:45 am-4:53 pm

1 stop10h 08m

Houston George Bush Intcntl

mar. 6/3

8:44 pm-10:51 pm

1 stop26h 07m

$195

San AntonioHouston

SAT - IAH

SATIAH

San Antonio

mar. 5/27

5:30 am-6:36 am

Nonstop1h 06m

Houston George Bush Intcntl

mar. 6/3

8:25 pm-9:32 pm

Nonstop1h 07m

$197

San AntonioHouston

SAT - HOU

SATHOU

San Antonio

mar. 6/3

7:50 pm-8:50 pm

Nonstop1h 00m

Houston Hobby

jue. 6/5

8:20 pm-9:20 pm

Nonstop1h 00m

$209

San AntonioHouston

SAT - IAH

SATIAH

San Antonio

sáb. 6/21

6:17 pm-11:59 pm

1 stop5h 42m

Houston George Bush Intcntl

dom. 6/29

5:00 am-8:25 am

1 stop3h 25m

$289

San AntonioHouston

SAT - HOU

SATHOU

San Antonio

sáb. 6/21

9:15 am-1:58 pm

1 stop4h 43m

Houston Hobby

dom. 6/29

5:00 am-8:25 am

1 stop3h 25m

$289

San AntonioHouston

SAT - IAH

SATIAH

San Antonio

mar. 6/3

12:36 pm-7:00 pm

1 stop6h 24m

Houston George Bush Intcntl

jue. 6/5

11:38 am-10:00 am

2 stops22h 22m

$631

San AntonioHouston

SAT - IAH

SATIAH

San Antonio

mar. 5/13

1:52 pm-7:47 am

1 stop17h 55m

$80

San AntonioHouston

SAT - IAH

SATIAH

San Antonio

mar. 6/3

5:30 am-6:36 am

Nonstop1h 06m

$99

San AntonioHouston

SAT - HOU

SATHOU

San Antonio

mié. 5/28

1:05 pm-2:05 pm

Nonstop1h 00m

$99

San AntonioHouston

SAT - IAH

SATIAH

San Antonio

vie. 6/20

5:00 am-8:31 am

1 stop3h 31m

$145

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 15 results

The best insider tips for San Antonio to Houston flights

Cheapflights partnered with top experts to bring you the best recommendations for your San Antonio to Houston trip

Airlines

United Airlines

United's Economy Plus offers extra legroom, ideal for a comfortable short-haul flight.

United's MileagePlus program allows pooling miles, perfect for family travel flexibility.

Read more about United Airlinesby Harriet Baskas

Southwest

Enjoy free snacks and non-alcoholic drinks on board, enhancing your short flight experience.

Southwest offers two free checked bags, including oversized items like skis or golf clubs.

Read more about Southwestby Marisa Garcia

Airports

SAT

For a quick check-in, SAT offers a central ticketing area and efficient security leading to Terminals A and B.

IAH

For a quick ride to downtown Houston, consider using Uber or Lyft from Terminals A, B, or C.

Our travel experts

Harriet Baskas

Expert on United Airlines

Marisa Garcia

Expert on Southwest

Evie Carrick

Expert on IAH

Ramsey Qubein

Expert on SAT

Best time to book a flight from San Antonio to Houston

Have a flexible travel schedule? Discover the best time to fly to Houston from San Antonio with our price prediction graph.

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 San Antonio to Houston

What is the cheapest month to book a flight from San Antonio to Houston?

Currently, September is the cheapest month in which you can book a flight from San Antonio to Houston (average of $230). Flying from San Antonio to Houston in March is currently the most expensive (average of $332). 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 SAT to HOU?

It’s optimal to fly from San Antonio to Houston in the evening. By choosing this option you can save up to 15% on the cost of your flight, compared to a flight in the morning.

What is the cheapest day to fly from San Antonio to Houston?

Travelers seeking maximum savings on their San Antonio to Houston flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Tuesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Houston by month

In terms of precipitation, rainfall in Houston ranges from 3.2 - 5.9 inches per month. June is typically the wettest month, when rainfall can reach 5.9 in. February is typically the driest time to visit Houston when rainfall is around 3.2 in.

Temperature in Houston by month

If weather is an important factor for your trip to Houston, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 53.6 F).

Reviews of airlines servicing Houston

See what other customers who have flown with Southwest, Delta and United Airlines from San Antonio to Houston have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

8.0

Very good

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

8.0

Very good

8.0

Very good

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Delta

8.0

Very good

7,936 reviews

8.0

Very good

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

United Airlines

7.4

Good

8,696 reviews

8.0

Very good

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

American Airlines

7.2

Good

10,000 reviews

8.0

Very good

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Spirit Airlines

6.3

Okay

7,961 reviews

8.0

Very good