$49+ Flights from San Antonio to Houston

One-way flight from San Antonio to Houston

Highest demand for flights based on searches. 17% potential increase in price ($69 potential increase over avg. RT price).

Cheapest flight prices on average. 6% potential price decrease ($19 potential savings vs. average RT price).

Average for round-trip flights in March 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 March 28, 2025.

Wed 5/79:40 amSAT - IAH

Nonstop1h 04mUnited Airlines

Wed 5/1412:06 pmIAH - SAT

Nonstop1h 12mUnited Airlines

Deal found 3/26

$97

Thu 4/245:40 amSAT - HOU

Nonstop1h 00mSouthwest

Mon 4/289:35 pmHOU - SAT

Nonstop1h 00mSouthwest

Deal found 3/27

$97

Wed 5/712:30 pmSAT - IAH

1 stop19h 45mSpirit Airlines

Wed 5/141:51 pmIAH - SAT

1 stop21h 44mSpirit Airlines

Deal found 3/26

$175

Sat 6/215:00 amSAT - IAH

1 stop4h 09mAmerican Airlines

Sun 6/295:00 amIAH - SAT

1 stop3h 25mAmerican Airlines

Deal found 3/28

$289

Fri 4/258:35 pmSAT - HOU

1 stop3h 21mAmerican Airlines

Sun 4/278:16 pmHOU - SAT

1 stop3h 42mAmerican Airlines

Deal found 3/27

$310

Thu 4/246:35 amSAT - IAH

1 stop17h 24mMultiple Airlines

Mon 4/284:35 pmIAH - SAT

Nonstop1h 11mMultiple Airlines

Deal found 3/27

$673

Wed 4/97:00 amSAT - IAH

1 stop10h 48mAlaska Airlines

Wed 4/167:30 amIAH - SAT

1 stop10h 52mAlaska Airlines

Deal found 3/26

$777

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 March 28, 2025.

Wed 5/79:40 amSAT - IAH

Nonstop1h 04mUnited Airlines

Wed 5/1412:06 pmIAH - SAT

Nonstop1h 12mUnited Airlines

Deal found 3/26

$97

Thu 4/245:40 amSAT - HOU

Nonstop1h 00mSouthwest

Mon 4/289:35 pmHOU - SAT

Nonstop1h 00mSouthwest

Deal found 3/27

$97

Wed 5/712:30 pmSAT - IAH

1 stop19h 45mSpirit Airlines

Wed 5/141:51 pmIAH - SAT

1 stop21h 44mSpirit Airlines

Deal found 3/26

$175

Sat 6/215:00 amSAT - IAH

1 stop4h 09mAmerican Airlines

Sun 6/295:00 amIAH - SAT

1 stop3h 25mAmerican Airlines

Deal found 3/28

$289

Fri 4/258:35 pmSAT - HOU

1 stop3h 21mAmerican Airlines

Sun 4/278:16 pmHOU - SAT

1 stop3h 42mAmerican Airlines

Deal found 3/27

$310

Thu 4/246:35 amSAT - IAH

1 stop17h 24mMultiple Airlines

Mon 4/284:35 pmIAH - SAT

Nonstop1h 11mMultiple Airlines

Deal found 3/27

$673

Wed 4/97:00 amSAT - IAH

1 stop10h 48mAlaska Airlines

Wed 4/167:30 amIAH - SAT

1 stop10h 52mAlaska Airlines

Deal found 3/26

$777

Last-minute flights from San Antonio to Houston
Discover last-minute flight deals from San Antonio to Houston. Data last updated March 28, 2025 and is based on user searches.

Thu 4/310:50 amSAT - HOU

Nonstop1h 00mSouthwest

Thu 4/310:35 pmHOU - SAT

Nonstop1h 00mSouthwest

Deal found 3/27

$455

Thu 4/311:00 amSAT - IAH

1 stop5h 57mAmerican Airlines

Thu 4/38:14 pmIAH - SAT

1 stop3h 50mAmerican Airlines

Deal found 3/27

$469

Thu 4/312:39 pmSAT - HOU

1 stop5h 23mAmerican Airlines

Thu 4/38:17 pmHOU - SAT

1 stop3h 47mAmerican Airlines

Deal found 3/27

$469

Fri 4/49:35 pmSAT - IAH

3 stops20h 33mSpirit Airlines

Fri 4/115:41 pmIAH - SAT

1 stop7h 29mSpirit Airlines

Deal found 3/26

$324

Sun 4/67:05 pmSAT - IAH

Nonstop1h 04mUnited Airlines

Sun 4/610:08 pmIAH - SAT

Nonstop1h 10mUnited Airlines

Deal found 3/27

$450

Sun 4/67:45 amSAT - IAH

Nonstop1h 04mMultiple Airlines

Sun 4/66:48 pmIAH - SAT

1 stop10h 52mMultiple Airlines

Deal found 3/27

$1,045

Wed 4/97:00 amSAT - IAH

1 stop10h 48mAlaska Airlines

Wed 4/167:30 amIAH - SAT

1 stop10h 52mAlaska Airlines

Deal found 3/26

$777

Thu 4/245:40 amSAT - HOU

Nonstop1h 00mSouthwest

Mon 4/289:35 pmHOU - SAT

Nonstop1h 00mSouthwest

Deal found 3/27

$97

Thu 4/246:35 amSAT - IAH

1 stop17h 24mMultiple Airlines

Mon 4/284:35 pmIAH - SAT

Nonstop1h 11mMultiple Airlines

Deal found 3/27

$673

Fri 4/258:35 pmSAT - IAH

1 stop3h 08mAmerican Airlines

Sun 4/277:53 amIAH - SAT

1 stop3h 50mAmerican Airlines

Deal found 3/27

$310

Fri 4/258:35 pmSAT - HOU

1 stop3h 21mAmerican Airlines

Sun 4/278:16 pmHOU - SAT

1 stop3h 42mAmerican Airlines

Deal found 3/27

$310

Sat 4/265:30 amSAT - IAH

Nonstop1h 07mUnited Airlines

Sat 5/38:04 pmIAH - SAT

Nonstop1h 11mUnited Airlines

Deal found 3/27

$187

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 March 28, 2025.

Thu 5/157:15 pmSAT - IAH

Nonstop1h 08mUnited Airlines

Deal found 3/27

$49

Mon 4/282:45 pmSAT - HOU

Nonstop1h 00mSouthwest

Deal found 3/27

$49

Sun 5/116:03 pmSAT - IAH

1 stop13h 26mSpirit Airlines

Deal found 3/27

$83

Tue 6/310:48 amSAT - IAH

1 stop7h 59mAmerican Airlines

Deal found 3/27

$97

Sat 4/1911:00 amSAT - HOU

1 stop7h 01mAmerican Airlines

Deal found 3/27

$127

Fri 4/187:00 amSAT - IAH

1 stop10h 48mAlaska Airlines

Deal found 3/27

$262

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

Wed 5/7

9:40 am-10:44 am

Nonstop1h 04m

Houston George Bush Intcntl

Wed 5/14

12:06 pm-1:18 pm

Nonstop1h 12m

$97

San AntonioHouston

SAT - HOU

SATHOU

San Antonio

Thu 4/24

5:40 am-6:40 am

Nonstop1h 00m

Houston Hobby

Mon 4/28

9:35 pm-10:35 pm

Nonstop1h 00m

$97

San AntonioHouston

SAT - IAH

SATIAH

San Antonio

Thu 5/1

8:56 pm-10:51 am

1 stop13h 55m

Houston George Bush Intcntl

Tue 5/6

8:52 am-8:01 pm

1 stop11h 09m

$175

San AntonioHouston

SAT - IAH

SATIAH

San Antonio

Sun 5/25

6:43 pm-10:44 pm

1 stop4h 01m

Houston George Bush Intcntl

Wed 6/11

7:53 am-2:32 pm

1 stop6h 39m

$236

San AntonioHouston

SAT - HOU

SATHOU

San Antonio

Fri 4/25

8:35 pm-11:56 pm

1 stop3h 21m

Houston Hobby

Sun 4/27

8:16 pm-11:58 pm

1 stop3h 42m

$310

San AntonioHouston

SAT - IAH

SATIAH

San Antonio

Thu 4/24

6:35 am-11:59 pm

1 stop17h 24m

Houston George Bush Intcntl

Mon 4/28

4:35 pm-5:46 pm

Nonstop1h 11m

$673

San AntonioHouston

SAT - IAH

SATIAH

San Antonio

Wed 4/23

6:35 am-11:59 pm

1 stop17h 24m

Houston George Bush Intcntl

Wed 4/30

6:30 am-11:59 pm

1 stop17h 29m

$682

San AntonioHouston

SAT - IAH

SATIAH

San Antonio

Mon 4/28

6:06 pm-7:10 pm

Nonstop1h 04m

$49

San AntonioHouston

SAT - HOU

SATHOU

San Antonio

Mon 4/28

2:45 pm-3:45 pm

Nonstop1h 00m

$49

San AntonioHouston

SAT - IAH

SATIAH

San Antonio

Mon 4/28

8:56 pm-2:05 pm

1 stop17h 09m

$73

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

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 $334). 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. Sunday mornings 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, Alaska Airlines 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.

8.1

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.

8.1

Very good

8.1

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.

Alaska Airlines

8.0

Very good

9,798 reviews

8.1

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

8,603 reviews

8.1

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

8.1

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

7,882 reviews

8.1

Very good