Your next trip, last seen at €103
Lowest observedUnited Airlines · Non-stop · One wayWhen to fly
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The lowest fare we observed for each month. Open a month to see its days, then pick your outbound and return. A day with no price is one we will search for you.
One-way fare
- Lowest observed
- €103, departing 20 Dec 2026 (Last checked: 17 Oct 2026)One-way fare · Priced departure days checked in the last 14 days: 38Check live prices for this route
- Airlines seen
- United Airlines, Alaska Airlines, American Airlines
- Reported fastest flight
- 1h 05m
- Non-stop
- Yes
About this route
Explore the fares we observed from Houston to San Antonio. Prices move often, so pick your dates to see the latest options.
- Route distance
- 303 km
- Reported fastest flight
- 1h 05m
- Airlines seen
- United Airlines, Alaska Airlines, American Airlines
- Alternative airports
- HOU
Route-level information; individual journeys vary.
Published schedules report non-stop service with United Airlines, Southwest Airlines. Check current timetables.
A clearer picture of your fare
Non-stop airlines seen on this route
| Airline | Non-stop days / priced days | Fastest non-stop |
|---|---|---|
| United Airlines | 31 / 38 |
Departure days with a non-stop fare checked in the last 14 days. A carrier listed here had a non-stop fare on at least 3 days; schedules may differ.
Airport to city: straight-line distance
- William P. Hobby Airport (HOU) → Houston, city gazetteer reference point (29.7628, -95.3831): ≈ 17 km.
- George Bush Intercontinental Airport (IAH) → Houston, city gazetteer reference point (29.7628, -95.3831): ≈ 25 km.
- San Antonio International Airport (SAT) → San Antonio, city gazetteer reference point (29.4241, -98.4936): ≈ 12 km.
Approximate distances calculated from coordinates, not road distances or travel times. These airports serve the city; they are not confirmed endpoints of an offer.
Lowest fare by departure month
Cheapest month from Houston to San Antonio: December 2026, from €103 (checked 17 Oct 2026).
| Month | Lowest fare | Priced days |
|---|---|---|
| October 2026 | €196 | 7 |
| December 2026 | €103 | 31 |
Lowest fare by day of the week
Cheapest day of the week from Houston to San Antonio: Monday, from €103 (checked 17 Oct 2026).
| Day | Lowest fare | Priced days |
|---|---|---|
| Monday | €103 | 5 |
| Tuesday | €103 | 6 |
| Wednesday | €112 | 6 |
| Thursday | €103 | 6 |
| Friday | €103 | 5 |
| Saturday | €112 | 5 |
| Sunday | €103 | 5 |
One-way fares checked in the last 14 days. Each figure is the lowest priced departure day we saw, not a guaranteed fare.
Lowest fare by days before departure
Lowest fare from Houston to San Antonio by days until departure (61 days or more): €103 (checked 17 Oct 2026).
| Days before departure | Lowest fare | Priced days |
|---|---|---|
| 0 to 7 days | €196 | 7 |
| 31 to 60 days | €112 | 19 |
| 61 days or more | €103 | 12 |
One-way fares checked in the last 14 days. Each figure is the lowest stored fare for that distance to departure, not a price forecast.
Fares for different departure dates, checked now; not a guide to when to book.
Frequently asked
How much is a flight from Houston to San Antonio?
The lowest fare we have observed is €103, found on 17 Oct 2026. Prices move, so read it as a floor rather than a quote.
When is the cheapest month to fly from Houston to San Antonio?
Cheapest month from Houston to San Antonio: December 2026, from €103 (checked 17 Oct 2026).
Are there direct flights from Houston to San Antonio?
Yes. Published schedules report non-stop flights on this route with United Airlines, Southwest Airlines.
Which airlines fly from Houston to San Antonio?
These are the carriers we have seen on the route: United Airlines, Alaska Airlines, American Airlines.
How long does the flight from Houston to San Antonio take?
The average journey time across the 33 fares we observed is 1h 06m, including any stops. Individual departures vary; the fastest observed flight is listed in the route facts above.
How many of the observed Houston to San Antonio fares were non-stop?
40 of the 40 fares we observed were non-stop; the rest included at least one stop. That describes our observations, not every flight that operates.
Which airlines had non-stop offers on at least 3 departure dates from Houston to San Antonio?
For Houston to San Antonio, examples of observed one-way non-stop offers checked within the last 14 days: United Airlines (31). Each number counts distinct departure dates, not weekly flights; check current availability in search.
Which day of the week is cheapest from Houston to San Antonio?
Cheapest day of the week from Houston to San Antonio: Monday, from €103 (checked 17 Oct 2026).
How observed prices work, what "No data" means and what a fare includes: Read the flight price guide
Keep exploring
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Recently observed fares. Prices may change.
Last checked: 17 Oct 2026