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Data updated: 2026-10-28 13:12:12

Houston (IAH) to San Antonio (SAT) Flights

Compare flights from Houston to San Antonio, explore popular airlines, airports, and travel tips.
Get the latest collected flight schedules, prices, and route information all in one place.
IAH········· ·········SAT
George Bush Intercontinental AirportSan Antonio International Airport
Distance
191 miles
Flight time
1h 8m
Time difference
SAT is 0h ahead
Departure date
Return date

Flights from Houston to San Antonio

All times are shown in local time. Prices are for one-way, per adult, including taxes and fees.

Transfers
Airlines
Airline allianceAirlines
Departure / arrival
Departure time (local time)Arrival time (local time)
Airport
Departure airports
Arrival airports
Collected nonstop flight records from IAH to SAT on 2026-11-03
07:20IAHCST UTC−61h 9m
····· ✈ ·····
Nonstop
08:29SATCST UTC−6$322.00One-way
Flight details
09:35IAHCST UTC−61h 11m
····· ✈ ·····
Nonstop
10:46SATCST UTC−6$322.00One-way
Flight details
12:05IAHCST UTC−61h 11m
····· ✈ ·····
Nonstop
13:16SATCST UTC−6$322.00One-way
Flight details
14:30IAHCST UTC−61h 8m
····· ✈ ·····
Nonstop
15:38SATCST UTC−6$322.00One-way
Flight details
16:55IAHCST UTC−61h 10m
····· ✈ ·····
Nonstop
18:05SATCST UTC−6$322.00One-way
Flight details
18:05IAHCST UTC−61h 5m
····· ✈ ·····
Nonstop
19:10SATCST UTC−6$322.00One-way
Flight details
20:15IAHCST UTC−61h 11m
····· ✈ ·····
Nonstop
21:26SATCST UTC−6$322.00One-way
Flight details
21:45IAHCST UTC−61h 6m
····· ✈ ·····
Nonstop
22:51SATCST UTC−6$322.00One-way
Flight details

Flight route map

Houston (IAH) to San Antonio (SAT) Non-stop flight routes illustrated on a map.

Flights from Houston (IAH), Texas, to San Antonio (SAT), Texas, are shown on the map. Based on recorded flight history, the distance is approximately 191 miles.

Departure
George Bush Intercontinental Airport · Texas, United States · 29° 59' 04" N 95° 20' 29" W
Flight route
191 miles · 1h 8m
Direction
261.36° (W)
Geographic midpoint
The geographic midpoint is at latitude 29.76825, longitude -96.90912, approximately 95.11 miles from both airports.
Great-circle distance
190.2 miles
Driving route
215 miles · 4 hr 20 min
Time difference
SAT is 0h ahead
Destination
San Antonio International Airport · Texas, United States · 29° 32' 01" N 98° 28' 11" W
Distance and time are approximate; flight schedules and local times may change.

Route information

Distance
191 miles
Average flight time
1h 8m
Time difference
SAT is 0h ahead
Route direction
The initial bearing on the course from Houston to San Antonio is 261.36°, and the compass direction is W.

Airport information

George Bush Intercontinental Airport

George Bush Intercontinental Airport
Houston, Texas, United States
29° 59' 04" N, 95° 20' 29" W
Elevation: 97 ft (30 m)
Time zone: CDT UTC−5
View airport details

What's the weather like in Houston and San Antonio?

Temperature unit:

IAH · Houston

80°FSunnyFeels like 82°F
Humidity
57%
Wind
10 mph
Precipitation
0 mm

SAT · San Antonio

76°FPartly cloudyFeels like 80°F
Humidity
73%
Wind
6 mph
Precipitation
0 mm
Wed, Oct 2883°F | 67°FOvercast
Thu, Oct 2982°F | 67°FOvercast
Fri, Oct 3070°F | 60°FSlight rain showers
Sat, Oct 3180°F | 64°FModerate drizzle
Sun, Nov 185°F | 69°FOvercast

Popular airlines from Houston to San Antonio

Popular airports near Houston

Popular airports near San Antonio

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

Which departure days are usually cheaper?

If you have flexibility with your travel dates, Tuesday and Wednesday departures are consistently your best bet for finding the lowest airfares. Across global flight routes, flying midweek can easily save you 10% to 20% compared to weekend departures, mainly because you avoid both Monday business trips and Friday weekend getaways. On the flip side, Fridays and Sundays tend to be the most expensive days of the week as leisure travelers head out and return. Another insider tip: opting for early morning flights (before 7:00 AM) or overnight red-eyes often unlocks additional savings while helping you breeze through airport security lines.

How far in advance do fares usually reach their lowest point?

There is no fixed booking window that guarantees the lowest fare for United States to United States (US-US). Once your plans are clearer, compare prices for your intended dates and nearby alternatives, using the same cabin, baggage and change conditions. Choose a fare that fits your budget and flexibility; waiting can result in either lower prices or fewer suitable options.

Which travel month has the lowest reference fare, and by how much?

In average round-trip fares grouped by travel month over the past 12 months, Oct is lowest at USD 134. Compared with the selected date's calendar month average of USD 264, the difference is USD 130. This is not a quote for a specific date or nonstop flight.

Should I book now or wait for a lower fare?

If you can change departure dates, the price calendar shows a reference fare of USD 59 on 2026-11-17, USD 263 below the selected date. Prices for different departure dates cannot predict whether the same flight will get cheaper later; check the latest price and availability before booking.

How much could changing the departure date by a few days save?

Among available departure dates within three days of the selected date, the same-currency reference nonstop fare of USD 322 on 2026-11-03 is tied for the lowest. Fares on different dates may not be for the same cabin or fare product; check the latest price and availability before booking.