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Direct flights from St Louis to San Antonio

Did you mean Flights from San Antonio to St Louis?

Flightmap/Flights from STL/STL to SAT

St Louis

United States

STL

Lambert St Louis International Airport

San Antonio

United States

SAT

San Antonio International Airport

Route
Nonstop service available
Distance
787 miles
Marketing airlines
2 airlines
Aircraft
8 aircraft types
Dates
Oct 19, 2026 – Oct 8, 2027

Observed award fares

A sample of one-way prices for one traveler from Roame’s fare cache. Points, fees, and seats describe the same observation. Availability can change; confirm with the loyalty program before transferring points.

Departure window: 2026-10-23 – 2026-11-21.

No recent fares appear in this limited preview. This does not mean the route is sold out. Use the search controls to check other dates and routes.

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Explore these airports and cities

  • Flights from STL
  • Flights to SAT

St Louis to San Antonio route overview

Lambert St Louis International Airport (STL) serves St Louis; San Antonio International Airport (SAT) serves San Antonio.

The airports are 787 miles apart by great-circle distance.

Roame's current schedule feed shows nonstop service from STL to SAT.

Marketing airlines listed in the current schedule, including codeshare sellers, are United Airlines (UA) and Southwest Airlines (WN). This list does not identify the operating airline for each flight; check the flight details before booking.

Published schedule dates span Oct 19, 2026 – Oct 8, 2027.

Marketing airlines on the St Louis to San Antonio route

These are marketing airlines, including codeshare sellers. This list does not identify the operating airline for each flight; check the flight details before booking.

Airline alliance affiliations represented: Star Alliance

Aircraft flying from STL to SAT

Frequently asked questions

Which airports serve the St Louis to San Antonio route?

Lambert St Louis International Airport (STL) is the origin airport and San Antonio International Airport (SAT) is the destination airport.

How far is San Antonio from St Louis?

STL and SAT are approximately 787 miles apart by great-circle distance.

Are there direct flights from STL to SAT?

Yes. Roame's current schedule feed shows nonstop service from STL to SAT.

Which airlines market flights from STL to SAT?

Marketing airlines listed in the current schedule, including codeshare sellers, are United Airlines (UA) and Southwest Airlines (WN). This list does not identify the operating airline for each flight; check the flight details before booking.

Which aircraft fly from STL to SAT?

Aircraft listed in the current schedule include Airbus A319 (319), Airbus A320 (320), Boeing 737-800 (738), Boeing 737-900 / Boeing 737-900ER (739), Boeing 737-700 / Boeing 737-700ER (73G), Boeing 737-800 Winglets (73H), Boeing 737 MAX 8 (7M8) and 7S7.

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