$55 Find Cheap Flights from San Antonio to Houston

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from San Antonio to Houston departing on 3/3. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Houston

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from San Antonio to Houston, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from San Antonio to Houston, as well as popular online travel agencies
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41,299,237 searches in the past 7 days on KAYAK

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Everything you should know

Cheapest round-trip
$136
Overall average: $276
Multiple Airlines
Tue 3/3Mon 3/9
SAT - IAH • 1 stop
Cheapest non-stop
$237
Typical prices: $267-$462
United Airlines
Sat 4/25Mon 5/4
SAT - IAH • Non-stop
Our travelers' advice
AI-powered summary based on content written by travel experts. AI can make mistakes.
Southwest's two free checked bags suit luggage needs.
HOU is closer to downtown than IAH for faster access.
Expert advice
Expert advice
Expert advice
Expert advice
Top airlines
Spirit Airlines
Cheapest • from $171 (round-trip)
Southwest
Best reviews • 8.0 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
Top routes
SAT
-
HOU
Cheapest • 3% average savings
SAT
-
IAH
Most popular
Insights
Insights
Insights
Insights
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Houston!
Flight Deals
Booking Insights
Expert advice
Flight Deals

Cheap Flights from San Antonio to Houston (SAT-HOU)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from San Antonio to Houston that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from San Antonio to Houston

Tue, Mar 3 - Mon, Mar 9
Multiple Airlines Logo
5:36 pm - 7:14 pm
SAT
-
IAH
25h 38m
1 stop
Multiple Airlines Logo
9:16 am - 9:30 am
IAH
-
SAT
24h 14m
1 stop
$136Multiple Airlines
Tue, Mar 3 - Wed, Mar 4
Multiple Airlines Logo
10:26 am - 8:23 pm
SAT
-
IAH
9h 57m
1 stop
Multiple Airlines Logo
8:45 am - 5:15 pm
IAH
-
SAT
8h 30m
1 stop
$140Multiple Airlines
Sat, Feb 28 - Wed, Mar 4
Multiple Airlines Logo
2:13 pm - 10:41 pm
SAT
-
IAH
8h 28m
1 stop
Multiple Airlines Logo
8:45 am - 5:15 pm
IAH
-
SAT
8h 30m
1 stop
$141Multiple Airlines
Tue, Mar 3 - Wed, Mar 4
Spirit Airlines Logo
10:26 am - 11:09 pm
SAT
-
IAH
12h 43m
2 stops
Spirit Airlines Logo
9:16 am - 9:30 am
IAH
-
SAT
24h 14m
2 stops
$171Spirit Airlines
Fri, Feb 27 - Fri, Mar 6
Frontier Logo
5:04 pm - 5:12 pm
SAT
-
IAH
24h 08m
1 stop
Frontier Logo
5:49 pm - 12:17 am
IAH
-
SAT
30h 28m
2 stops
$194Frontier
Fri, Feb 27 - Fri, Mar 6
Frontier Logo
5:04 pm - 5:12 pm
SAT
-
IAH
24h 08m
1 stop
Frontier Logo
5:49 pm - 12:17 am
IAH
-
SAT
30h 28m
2 stops
$195Frontier
Sat, Feb 28 - Wed, Mar 4
Southwest Logo
7:50 pm - 8:50 pm
SAT
-
HOU
1h 00mnonstop
Southwest Logo
4:40 pm - 5:40 pm
HOU
-
SAT
1h 00mnonstop
$259Southwest
Wed, May 6 - Fri, May 8
Southwest Logo
6:30 am - 7:30 am
SAT
-
HOU
1h 00mnonstop
Southwest Logo
10:25 am - 11:25 am
HOU
-
SAT
1h 00mnonstop
$263Southwest
Tue, Mar 3 - Mon, Mar 9
American Airlines Logo
5:00 am - 11:48 am
SAT
-
HOU
6h 48m
1 stop
American Airlines Logo
8:20 pm - 11:59 pm
HOU
-
SAT
3h 39m
1 stop
$266American Airlines
Sat, Feb 21 - Sun, Feb 22
American Airlines Logo
5:00 am - 11:48 am
SAT
-
HOU
6h 48m
1 stop
American Airlines Logo
8:20 pm - 11:59 pm
HOU
-
SAT
3h 39m
1 stop
$273American Airlines
Booking Insights

KAYAK's insights & trends for San Antonio to Houston flights

Get data-powered insights and trends into flights from San Antonio to Houston to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest San Antonio to Houston flight route?

Data is based on round-trip flight searches on KAYAK over the past month.

The cheapest return flight from San Antonio to Houston costs $259 on the route between San Antonio (SAT) and Houston Hobby Airport (HOU). Over the past month, this route was, on average, 3% cheaper than other San Antonio-Houston routes. The most popular route is between San Antonio (SAT) and Houston George Bush Intcntl Airport (IAH).

What’s the cheapest day of the week to fly from San Antonio to Houston?

The average price of all round-trip flights from San Antonio to Houston clicked on KAYAK for each day over the last 12 months.

Your flight ticket price will generally be cheaper if you fly to Houston on a Friday and more expensive on a Saturday. On your return trip to San Antonio, you should consider flying back on a Wednesday, and avoid Mondays for better deals.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from San Antonio to Houston, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from San Antonio to Houston is October, where tickets cost $161 (return) on average. On the other hand, the most expensive months are January and July, where the average cost of round-trip tickets is $571 and $524 respectively.

Expert advice

Expert advice for your flight from San Antonio to Houston

 
AI-powered summary based on content written by travel experts. AI can make mistakes.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
John Walton

John Walton

Expert on IAH

Independent aviation journalist John Walton took his first flight at eight weeks old and hasn’t stopped travelling since. A world-renowned expert in airlines and the passenger experience, he writes in depth on aviation, is a resident expert on travel in Japan and France, and offers a uniquely queer perspective on travelling the world.

Brandon Schultz

Brandon Schultz

Expert on SAT

Brandon Schultz is an award-winning food and travel writer based in New York City. His work has appeared in Forbes, AAA, Thrillist, Travel + Leisure, and The Daily Meal, among many others, and he is the author of 6 books, including 3 cookbooks.

Yulia Denisyuk

Yulia Denisyuk

Expert on HOU

Yulia is a freelance journalist who’s dispatched from 90+ countries. Her work focuses on cultures, adventure trips and air travel, appearing in NatGeo, NYT, CNTraveler, and more. For past assignments, she’s stayed with nomads in Mongolia and learned the art of Imigongo in Rwanda. She’s based in Chicago; in winter she often questions that decision.

Good to know

Cheapest flight$55
Flight from San Antonio to Houston George Bush Airport

When to book flights from San Antonio to Houston

Are your dates flexible? Find out the best times to travel from San Antonio to Houston based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from San Antonio to Houston

  • What is the cheapest flight from San Antonio to Houston?

    In the last 3 days, the lowest price for a flight from San Antonio to Houston was $55 for a one-way ticket and $136 for a round-trip.

  • Do I need a passport to fly between San Antonio and Houston?

    Yes, you’ll need a passport to travel to Houston from San Antonio.

  • Which airports will I be using when flying from San Antonio to Houston?

    San Antonio is served by only 1 airport and there are 2 airports in Houston. You will leave San Antonio from San Antonio and you will be arriving in Houston at one of these airports: Houston Hobby or Houston George Bush Intcntl.

  • Which aircraft models fly most regularly from San Antonio to Houston?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from San Antonio to Houston?

    Star Alliance is the only airline alliance operating flights between San Antonio and Houston.

  • How does KAYAK find such low prices on flights from San Antonio to Houston?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from San Antonio to Houston.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from San Antonio to Houston?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Houston from San Antonio is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from San Antonio to Houston?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Houston with an airline and back to San Antonio with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from San Antonio to Houston?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Houston from San Antonio up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Prefer to fly direct from San Antonio to Houston?

 
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from San Antonio to Houston.
Find which airlines fly direct from San Antonio Airport to Houston, which days they fly and book direct flights.

Direct departures

San Antonio to Houston

Monday

Southwest, United Airlines

Southwest, United Airlines

Tuesday

Southwest, United Airlines

Southwest, United Airlines

Wednesday

Southwest, United Airlines

Southwest, United Airlines

Thursday

Southwest, United Airlines

Southwest, United Airlines

Friday

Southwest, United Airlines

Southwest, United Airlines

Saturday

Southwest, United Airlines

Southwest, United Airlines

Sunday

Southwest, United Airlines

Southwest, United Airlines

See more direct flights

Direct returns

Houston to San Antonio

Monday

Southwest, United Airlines

Southwest, United Airlines

Tuesday

Southwest, United Airlines

Southwest, United Airlines

Wednesday

Southwest, United Airlines

Southwest, United Airlines

Thursday

Southwest, United Airlines

Southwest, United Airlines

Friday

Southwest, United Airlines

Southwest, United Airlines

Saturday

Southwest, United Airlines

Southwest, United Airlines

Sunday

Southwest, United Airlines

Southwest, United Airlines

See more direct flights

Reviews of the top airlines flying from San Antonio to Houston

 
See real verified KAYAK customer reviews for airlines flying from San Antonio to Houston. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from San Antonio to Houston? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.0
SouthwestOverall score based on 4273 reviews
8.1Boarding
7.0Food
8.0Comfort
7.5Entertainment
8.6Crew
Airline reviews

Great vacation. Can't wait till next year for another one.

10.0 ExcellentJohn, Jan 2026
SAT - PHX
Read more Southwest reviews

Great vacation. Can't wait till next year for another one.

Great flight but super high price. Glad it was a business trip and not personal

On time. Friendly staff. Took to long to pre bord all the specialty groups. Cramped small plane

No delays and arrived to destination 30 min early. Staff was super friendly.

Everything a cheap airline should be at normal airline rates.

Full cans of soda would be nice. A choice between two snacks would be appreciated.

Tried watching free movie and it kept freezing so I couldn’t finish.

Boarded on time but once we were ready for take off, the crew determined that, although every seat was taken, somehow someone was on the wrong flight. Delay, delay delay, announcements and ended up with one person checking EVERY ID against their passenger Manifest only to figure out it was a "clerical error." We departed 54 minutes late causing me to run in the St. Louis Airport to make my connection and lose the priority boarding spot I had paid for. Unnecessary delay.

I was re-booked onto another flight because my original flight was delayed and I would have missed my connector. I ended up in the “C” group after paying extra to be in the “A “ group on the original flight. At least if you’re going to re-book people, re-book them into the same group.

Was good. I miss the free 2 checked bags. That was part of what made Southwest special

Delayed, toilets did not flush, pilot parked to far away from Gate

Check-in, boarding and the flight from Phoenix to Houston was quick and easy. The flight from Houston to Shreveport was delayed 5 hours. It was frustrating but I think United handled it the best they could.

The staff was hospitable and professional. The seat had a bit of wear. The winner shade was stuck 1/4 open. I received the best of both worlds. The morning sun was able to come in and blind the screen i was trying to use while at the same time it was too low to look out and enjoy the view. Rather embarrassing for a 1st class ticket.

United is an incompetent airline. They parked the plane on the tarmac for an hour after arriving because they “didn’t have a gate available” it was actually some sort of lie because as we de planed there were approximately 9 open and manned and empty gates that we walked past. Many people on the flight missed connections for the hour long sit on the tarmac. Utterly baffling and incompetent behavior from United flight ops.

I boarded flight UA#1318 at Sacramento International Airport going back to Houston TX. The flight was scheduled at 5:10am. I was able to check in virtually using the United Airlines app. When I entered the airport, there was no one outside assisting with checked bags as it was for Delta Airlines. Immediately upon entering, there was a LONG, EXTREMELY LONG line to the kiosks to get boarding passes. I stand in line to get boarding passes then had to move to ANOTHER EXTREMELY LONG line to get my bags checked in. While standing in this line, we noticed an agent taking customers to 3 at a time to her station to check their bags in. Lucky for me, she called me back, checked my bags for me and I was on my way. I then encountered another long line at the TSA check and to avoid I ending up having to sign up for CLEAR to bypass it. So glad, I did.,...Both of my flights were great with no issues, butthe check in progress at Bush Airport was so much smoother. Check-in at SMF airport needs to be anaylzed and corrected. Do better United, I know you can....thanks

Ot was overall fine. Left on time and had basic snacks. Weather was finicky but that’s not the airlines fault.

Even though we were delayed, we were able to make our connection

Crew and customer service were excellent. This flight also had plenty of leg room and seat mounted screens for entertainment. A very pleasant flight all around!

I was in first class. The outlets at my seat did not work. The plane was shabby and run down. I had prepurchsed a day subscription for internet that was not redeemable. I had to repurchase the internet for my flight and then it didn’t work anyway. Quite disappointed in what was supposed to be the launch of a great vacation.

Flight was good and crew was super polite. However, there were around 5 kids screaming the WHOLE 2 hours. I understand kids have to come but parents need to do something to control their children. They make the experience terrible, especially after finishing 16 hour shifts at the hospital I needed some sleep, which I did not get.

Everything you need to know for your flight from San Antonio to Houston

Information on your arrival and departure airports