Direct (nonstop) flights from San Antonio to Houston
1 airline flys nonstop from San Antonio International (SAT) to William P. Hobby Airport (HOU). It's 192 miles (309 km), about 1h in the air. Operated by Southwest Airlines.
Southwest Airlines
Route data last updated: May 31, 2026
Airlines with non-stop flights
WN
Southwest Airlines
Alternative Routes
Other ways to fly from San Antonio to Houston with one stop · direct emits 36 kg CO₂ per passenger
Looking for the return flight?
HOU → SAT: Flights from Houston to San AntonioOther direct flights from San Antonio
Direct flights from Houston (HOU)
Frequently Asked Questions
How long is the direct flight from San Antonio to Houston?
A nonstop flight from San Antonio (SAT) to Houston (HOU) takes approximately 1 hours. The distance is 192 miles (309 km).
Which airlines fly nonstop from San Antonio to Houston?
Just Southwest Airlines.
Is there a nonstop flight from San Antonio to Houston?
Yes. 1 airline: Southwest Airlines.
How far is San Antonio from Houston?
The flight distance from San Antonio to Houston is 192 miles (309 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as New York to Washington DC.
What type of aircraft flies from San Antonio to Houston?
At 1h, this route typically uses narrow-body aircraft — Boeing 737 or Airbus A320. Varies by airline.
What is the carbon footprint of a flight from San Antonio to Houston?
Roughly 36 kg CO2 per passenger one-way. That's about the same as driving 180 km.
Is the return flight from Houston to San Antonio also nonstop?
Yes — nonstop flights run both ways. Flight time may differ slightly due to wind patterns.
When is the cheapest time to fly from San Antonio to Houston?
Midweek flights (Tue/Wed) outside holiday peaks are usually cheapest. 3-6 weeks ahead is a good window for this route. Use "Check Prices" above to compare.
How early should I arrive at San Antonio International for this flight?
1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.