Cheapest€32.00
- United Airlines UA164106:1049m06:59Houston HOUSan Antonio SAT
Door to door 3h 59mCO2 77.2 kgChanges 0Fixed, no changes
Houston to San Antonio flight
Flights from Houston to San Antonio start at €37.31 and take 3h 59m at their fastest.
Check dates and fares
Fares and seats move by the day. Price Houston to San Antonio on the date you actually want, rather than on the date this page was built.
The Flights from Houston to San Antonio starts at €37.31 and takes 3h 59m door to door, run by 3 operators over 314 km, with around 16 departures a day. Fares bottom out about 30 days before departure.
- 3h 59mDoor to door
- 49mMoving
- €37.31 to €69.76From
- 06:10 to 19:26First and last departure
- 16Per day
- 77.2 kgCO2
First and last are taken from the services we sell on 5 October 2026. The return direction keeps its own timetable and is not these times reversed.
€37.31 to €69.76 for one passenger across the 14 departure dates priced here. The low end is one day, not every day. Worked out from this corridor rather than held for anybody. The operator sets the price on the day.
Fares by date
What this journey usually costs, by departure date. It shows which days run dearer.
Typical fares
- about €62.09Tue15
- about €56.19Wed16
- about €69.76Thu17
- about €53.24Fri18
- about €56.19Sat19
- about €52.06Sun20
- about €46.75Mon21
- about €37.31Tue22
- about €39.67Wed23
- about €47.34Thu24
- about €44.98Fri25
- about €46.16Sat26
- about €42.62Sun27
- about €37.90Mon28
Based on what this route has cost recently. The operator sets the price on the day, and the live fare is confirmed when you book.
The cheapest and the fastest on 5 October 2026
Airlines
| Operator | From |
|---|---|
| United Airlines | €32.00 |
 Southwest Airlines | €33.18 |
 Mesa Airlines | €33.18 |
The flight gets you into San Antonio. It does not get you a bed, and neither do we.
A room in San Antonio for the night the flight gets in
Sort by distance from San Antonio Station and you can see which places are ten minutes on foot and which are not.
Search San Antonio on Booking.comOr compare on Expedia
Partner links. We do not sell accommodation. We earn a commission when a booking completes, and it never changes what you pay.
When to book Houston to San Antonio
The same search run across the whole booking window, so the shape of the curve is visible rather than described.
- €37.3190 days
- €33.7760 days
- €34.3645 days
- €31.4130 days
- €32.0021 days
- €37.9014 days
- €46.757 days
- €69.763 days
- €62.091 days
- Cheapest lead time
- Fares bottom out around 30 days ahead, at €31.41.
- How much it moves
- The gap between the cheapest and dearest lead time is 122 percent. The dearest point is €69.76, 3 days out.
- What that means
- Today sits inside the cheap window, which closes about 30 days before departure. Waiting from here has usually cost money on this corridor rather than saved it.
Which departure day costs least
Median cheapest fare for each weekday, taken across the next three weeks of real prices.
- €42.62Sun
- €37.90Mon
- €37.31Tue
- €39.67Wed
- €47.34Thu
- €44.98Fri
- €46.16Sat
Where you leave from and where you arrive
Houston
Air
- IAH
- HOU
San Antonio
Air
- SAT
What the journey actually looks like
- Direct or connecting
- 94% of the services we sell on this corridor run through without a change. The remaining 6% involve one connection.
- How far it really runs
- The route covers 314 km against 305 km in a straight line, a detour of 3 percent. Track and road geometry account for the difference.
- Where the change is
- Connections are made at Corpus Christi. The gap between arriving and leaving is 102 minutes, of which about 5 is walking.
- If the connection is missed
- The tightest connection we sell here has a 10 percent chance of not being made on the timetable alone. Part of this journey is a self transfer between separate tickets, so leave more time than the minimum and expect to check in again.
- First and last departure
- The first service of the day leaves Houston at 06:10 and the last at 19:26, across 16 departures The return direction keeps its own timetable, so the times back are not these times reversed.
Questions about Houston to San Antonio
The questions people actually ask about this journey, answered from the same prices and times the page above is built on rather than written once and left to go stale.
How long does the Flight from Houston to San Antonio take?
The Flight from Houston to San Antonio takes 3h 59m door to door, of which 49m is spent moving. The route runs 314 km. The difference between the two times is reaching the terminal and leaving it at the far end, which every time on this page includes.
How much does the Flight from Houston to San Antonio cost?
The Flight from Houston to San Antonio starts at €37.31 for one passenger, as of 14 September 2026. A typical fare is €39.67. Both are the total including taxes, supplier fees and our service fee, so the price here is the price at checkout.
Who runs the Flight from Houston to San Antonio?
3 operators run the Flight from Houston to San Antonio: United Airlines, Southwest Airlines, Mesa Airlines. Between them they file around 16 departures a day. The operator table on this page compares them on fare, journey time, cruising speed, fare conditions and what is provided on board.
Which terminal does the Flight from Houston to San Antonio use?
The Flight from Houston to San Antonio leaves from Houston HOU and arrives at San Antonio SAT. Allow about 3h 10m for reaching the departure terminal and leaving the arrival one. That time is already inside every door to door figure quoted on this page.
When should I book the Flight from Houston to San Antonio?
Fares for the Flight from Houston to San Antonio bottom out around 30 days ahead, at €31.41. The gap between the cheapest and dearest lead time across the window is 122 percent, measured on 14 September 2026. Booking inside the final week has consistently cost more.
How much CO2 does the Flight from Houston to San Antonio produce?
The Flight from Houston to San Antonio produces about 77.2 kg of CO2 per passenger over 314 km, which works out at roughly 246 grams per passenger kilometre. That figure is for the whole journey and for one traveller, not for the vehicle.
Where these numbers come from
Places, coordinates, operators, which operator serves which pair, and every distance on this page are real and come from open data. Where a corridor has a filed timetable the departure times are real too, and ferry fares are the prices the operators publish themselves.
Observed service A carrier record shows this named operator serving this named pair, and we carry that through unchanged.
Where no operator publishes a fare for a corridor, the price here is our own estimate, worked out from the real distance and the real operator through a fare curve that follows lead time, day of the week and season. It tells you roughly what the journey costs. It is not a seat anyone has agreed to sell, and the payment step will not take it.
Defined in full at Door to door, Fares, The booking window, Carbon
- On this page
- Every figure above was computed for Houston to San Antonio on 14 September 2026: 314 km of route against 305 km in a straight line, 16 services a day, 3 operators a cheapest fare of €37.31, and 3h 59m door to door on the fastest mode. The return direction is computed separately and its numbers are not these numbers.
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