Direct flights from Houston to San Antonio
All flights from IAH to SAT non-stop. There are direct flights from George Bush Intcntl Houston (IAH), Texas, USA to San Antonio International (SAT), Texas, USA with United Airlines. 56 weekly departures are currently scheduled on this route. Departure times range from 07:20 to 21:58 depending on the schedule period. The flight distance is 191 miles (307 km). Flight time ranges from 1 hour and 3 minutes to 1 hour and 18 minutes.
Houston
, USA
Flight schedule from Houston to San Antonio with United Airlines
This is a weekly direct flight schedule for United Airlines. Use the arrows or click on the date to change week. Click on any flight departure time to show more information and check availability.
Flight
The timetable & schedule information was updated at 2026-11-09
Houston to San Antonio scheduled departures
Select a date to see every published non-stop departure between IAH and SAT.
IAH - SAT route facts
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Distance191 miles (307 km)
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Flight time1 hour and 3 minutes to 1 hour and 18 minutes
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Airline United
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Airline alliancesStar Alliance
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CabinsEconomy First
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Hub airportsIAH
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Departure terminalsTerminal C and Terminal B
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Arrival terminalsTerminal B
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AircraftBoeing 737-900 Passenger, Airbus A320, Embraer 175 (Enhanced Winglets), Airbus A319, Boeing 737-700 Passenger, Boeing 737MAX 8 Passenger, Boeing 737-800 Passenger and Boeing 737MAX 9 Passenger
Route FAQ
Nearby airports that offer flights to San Antonio (SAT)
From Hobby Airport (HOU)
21 flights per week
Domestic flights from Houston (IAH)
From Houston to Chicago
ORD Chicago O Hare International
From Houston to Dallas
DFW Dallas Fort Worth International
From Houston to Los Angeles
LAX Los Angeles International
From Houston to Atlanta
ATL Hartsfield–Jackson Atlanta International Airport
From Houston to Denver
DEN Denver International
From Houston to New York
LGA La Guardia
From Houston to New York
EWR Newark Liberty International
From Houston to San Francisco
SFO San Francisco International
From Houston to Las Vegas
LAS Harry Reid International Airport
From Houston to Fort Lauderdale
FLL Fort Lauderdale Hollywood International
