Route guide · 192 miles
Cheap Flights from San Antonio to Houston
SAT → HOU · Nonstop 0h 53m · Live round-trip fares
Flying from San Antonio to Houston doesn't have to drain your wallet. This 192-mile hop takes about 0h 53m nonstop, and fares swing a lot depending on the week you pick. Travelers who book roughly 2–4 weeks out usually come out ahead — set a free alert and let the deals come to you.
Live fares for SAT → HOU are updating. Use the search below for real-time prices.
Search live pricesCheapest recent fare
See live fares
Updated daily
Flight time
0h 53m
Nonstop, typical
Distance
192 mi
SAT → HOU
Book ahead
2–4 weeks
Best window, typically
Nonstop airlines
1
Southwest Airlines
Nonstop flights from San Antonio to Houston
The fastest way between the two cities is the nonstop: about 0h 53m for the 192-mile run from SAT to HOU. Those flights are flown by Southwest Airlines. Prices behave best when you book 2–4 weeks out.
Booking insights: San Antonio → Houston
- Distance: 192 miles · nonstop flight time: 0h 53m.
- Cheapest upcoming week in the live data starts around Oct 22, with fares from $119.
- Fares tend to bottom out when you book about 2–4 weeks ahead — earlier than that rarely helps, later usually hurts.
- Midweek departures (Tue–Thu) are consistently cheaper than weekend flights.
- A free fare alert beats daily checking: we watch this route and ping you when prices drop.
Price trend
Cheapest departure weeks ahead
Departing around Oct 22 is currently the cheapest window — about $136 less than the nearest weeks. Based on recent fares found for this route; prices change quickly.
Cheapest month · San Antonio → Houston
October 2026
Every date's recent round-trip fare, at a glance.
Fares from
$119
Cheapest: Thu, Oct 22 — $119 · Priciest: Oct 21 — $255
Get this fare →Recent fares found for specific dates in October 2026. Blank days had no recent fare in our data — ask our team and we'll check them for you.
Free fare alerts
Watch San Antonio (SAT) → Houston (HOU)
We check this route's fares daily. The moment the price drops, we'll email you — free, unsubscribe anytime.
Talk to a real person
Get San Antonio → Houston flights confirmed by phone
Fares move fast. Call us and we'll confirm the latest price for your dates — or drop your number and we'll call you back. Free, no payment taken on the call.
Request a callback
Flying from San Antonio to Houston: what you need to know
The flight
At 192 miles, SAT to HOU is one of those quick up-and-down flights: roughly 0h 53m nonstop. There's no meal service to plan around — the decisions that matter here are departure time and which airport entrance traffic is kinder to you.
Airlines on this route
Southwest Airlines flies this route nonstop. That matters more than it sounds: the cheapest fare on one carrier is rarely the same product as the cheapest on another. Checked-bag fees, free seat selection and change rules all differ, so compare the full trip cost before you pick a winner. See our airline guides for exactly what each carrier charges — then send an enquiry and we'll confirm the all-in price for your dates.
Leaving from San Antonio (SAT)
Plan to be at the airport two hours before a domestic departure — ninety minutes can work at smaller airports outside peak times, but security lines are the one variable you can't control. If you're checking a bag, add time rather than cutting it close. Our San Antonio airport guide covers terminals, parking and ground transport so you can plan the trip to the airport, not just the flight.
Arriving in Houston (HOU)
Before you land, know how you're getting from the airport to where you're staying — it's the part of the trip people forget to plan. The Houston airport guide lays out your ground options, from transit and shuttles to rideshares and rental cars. Flying back the other way? Check Houston to San Antonio fares — prices on the return direction often move on a different rhythm.
When to book
For a trip of 192 miles, booking 2–4 weeks ahead typically lands you in the sweet spot. Leave it to the final two weeks and prices usually climb as the cheapest seats sell out. If your dates are flexible, midweek departures are where the lower fares hide on most domestic routes.
Good to know before you go
- Get to the airport two hours before departure; security, not the flight, is the part that runs late.
- If you're traveling with only a carry-on, you can skip the bag-drop line entirely with mobile check-in.
- Download the airline's app before you fly; gate changes and delays show up there first.
- Nonstop time on this route is about 0h 53m — a one-stop itinerary needs to be a lot cheaper to be worth the extra hours.
- Tuesday and Wednesday departures are typically the cheapest days on domestic routes.
San Antonio to Houston flight FAQs
How long is the flight from SAT to HOU?
A nonstop from SAT to HOU clocks in at around 0h 53m for the 192-mile trip. If you're connecting, budget an extra 2–4 hours depending on where you stop.
Are there nonstop flights from San Antonio to Houston?
Southwest Airlines typically operate nonstop flights from SAT to HOU. Nonstops are usually cheapest when booked 2–4 weeks ahead of departure.
What is the cheapest month to fly from San Antonio to Houston?
There's no single magic month, but prices on this route generally soften in the shoulder season, when demand dips after the holidays and again in early fall. A free fare alert is the easiest way to catch those windows.
How much are last minute flights from SAT to HOU?
Last-minute flights from SAT to HOU (booked within 7 days of departure) typically cost noticeably more than fares booked 2–4 weeks out. Booking early is the smarter move.
What is a good round-trip deal from San Antonio to Houston?
A good deal is anything at or below the recent fares shown above. Set a free Airfare Deal alert and we'll ping you the moment fares drop.
Which airlines fly from San Antonio to Houston?
You'll mainly see Southwest Airlines on San Antonio to Houston. Checking each against the live fares below is the surest way to find the lowest price for your dates.
How early should I get to San Antonio airport for this flight?
Plan on two hours before departure for a domestic flight — ninety minutes can work at smaller airports outside peak times. If you're checking a bag, earlier is better; the bag-drop line, not the flight, is what runs late.
Do the cheapest fares on this route include a checked bag?
Usually not. Basic economy fares on most airlines include a carry-on but charge extra for checked bags, and seat selection can cost more too. Add up the real total before comparing — a slightly higher regular fare sometimes works out cheaper. Our team confirms the full breakdown with you before you pay.
More cheap flights from San Antonio
How Airfare Deal works — Airfare Deal is a free fare-search and enquiry service. We take no payment online; send an enquiry and our travel team confirms your fare before you pay anything.