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  1. Flights
  2. United States
  3. San Antonio, TX
  4. St. Louis, MO - San Antonio, TX

Cheap Flights from St. Louis, MO (STL) to San Antonio, TX (SAT)

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Discover the cheapest flights from St. Louis, MO to San Antonio, TX
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Wed, Apr 23 - Wed, Apr 23
American Airlines
American Airlines1 stop
STL - SAT
American Airlines
American Airlines1 stop
SAT - STL
138$
136$
Prime price per passenger
Wed, Jun 4 - Wed, Jun 11
American Airlines
American Airlines1 stop
STL - SAT
American Airlines
American Airlines1 stop
SAT - STL
157$
154$
Prime price per passenger
Sat, May 17 - Tue, May 20
American Airlines
American Airlines1 stop
STL - SAT
American Airlines
American Airlines1 stop
SAT - STL
170$
166$
Prime price per passenger
Wed, Apr 30 - Thu, May 1
American Airlines
American Airlines1 stop
STL - SAT
Frontier Airlines
Frontier Airlines1 stop
SAT - STL
181$
173$
Prime price per passenger
Sun, May 25 - Wed, May 28
American Airlines
American Airlines1 stop
STL - SAT
American Airlines
American Airlines1 stop
SAT - STL
196$
193$
Prime price per passenger
Tue, Jun 17 - Wed, Jun 25
American Airlines
American Airlines1 stop
STL - SAT
American Airlines
American Airlines1 stop
SAT - STL
228$
224$
Prime price per passenger
Thu, Apr 17
American Airlines
American Airlines1 stop
STL - SAT
93$
92$
Prime price per passenger
Tue, Apr 29
American Airlines
American Airlines1 stop
STL - SAT
93$
92$
Prime price per passenger
Tue, May 20
American Airlines
American Airlines1 stop
STL - SAT
93$
92$
Prime price per passenger
Wed, May 28
American Airlines
American Airlines1 stop
STL - SAT
93$
92$
Prime price per passenger
Wed, Jun 11
American Airlines
American Airlines1 stop
STL - SAT
93$
92$
Prime price per passenger
Tue, Jun 17
American Airlines
American Airlines1 stop
STL - SAT
114$
112$
Prime price per passenger
Prices shown below were available within the past 3 days for the period specified and should not be considered the final price offered. Please note that availability and prices are subject to change.

Cheapest time to fly from St. Louis, MO to San Antonio, TX

Flexible with dates? We find the best price for the week of the day you select *Prices may vary after you search.
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week: Apr 21 - Apr 27
Flights from just $136
$148
$136
$136
$173
$146
$166
$191
$191
$154
$218
$191
$242
AprilMayJune
Cheapest flight$91The best price for flights from St. Louis, MO to San Antonio, TX offered by eDreams, which have been found by our customers in the last 3 days
Departure AirportLambert-St Louis InternatlLambert-St Louis Internatl is where you'll take off when flying from St. Louis, MO to San Antonio, TX
Arrival AirportSan Antonio IntlYou'll land at San Antonio Intl when flying from St. Louis, MO to San Antonio, TX
Peak seasonOctoberOctober is the busiest time to fly from St. Louis, MO to San Antonio, TX according to search data results from our customers
Best time to bookSeptemberSeptember is one of the most frequent times to fly to San Antonio, TX from St. Louis, MO according to real data from our customers

Route information

Distance: 793 miles
St. Louis, MO airports
Lambert-St Louis Internatl (STL)How far from city center: 12 miles
San Antonio, TX airports
San Antonio Intl (SAT)How far from city center: 7 miles

Are you searching for flights from St. Louis, MO to San Antonio, TX?

Are you planning to travel to San Antonio, TX for vacations, business or family visits? eDreams offers you the cheapest flights and best deals departing from St. Louis, MO. With our fast search engine you will get a large selection of airfares from standard and low cost airlines worldwide and easily book your tickets for this route. If you are flexible we help you identify the cheapest day to fly to San Antonio, TX and if you need to leave soon you can check our most convenient last minute fares. Read all the useful information about your next destination and proceed to the reservation, indicating your flight dates and completing your travel booking with hotels and car rental!

Frequently asked questions about flights from St. Louis, MO to San Antonio, TX

What are the benefits of booking flexible flight tickets?
Using the flexible flight ticket, you're guaranteed a refund or a rebooking option (without fees) in case of flight cancellations when travelling to United States. At eDreams have you covered!
For flights from St. Louis, MO to San Antonio, TX, how can I find the cheapest price?
The cheapest price for a flight from St. Louis, MO to San Antonio, TX is $92. At eDreams we use different machine learned based methodologies to find our costumers the best option available, considering airline combinations, stopovers and direct flights as well as different criteria for inbound and outbound journeys.
When booking, when is the best time to get the best prices for flights from St. Louis, MO to San Antonio, TX?
The most popular months to book a trip from St. Louis, MO to San Antonio, TX are September, October and July, based on the searches of our customers.
When is the best time to travel from St. Louis, MO to San Antonio, TX?
The best time of the year to visit San Antonio, TX depends on lots of personal preferences, especially the price. Regarding popularity, October is the best month to fly to San Antonio, TX from St. Louis, MO in terms of searches from our customers, followed by November and July. If you prefer to avoid the busy season and get away from the crowds April, August and September are the months with fewer searches for St. Louis, MO - San Antonio, TX.
How is the weather in San Antonio, TX compared to St. Louis, MO?
While in St. Louis, MO the temperatures can reach an average of 34.91 ºC in summer, with precipitation levels up to 12 mm ,San Antonio, TX's temperatures can go up to 37.76 ºC during the hot season, with 9 mm average of rain rate . In winter, however, weather indicators show around -2.08 ºC in San Antonio, TX, compared to the -13.87 ºC average degrees reported in St. Louis, MO. During the winter period, St. Louis, MO can register 6 mm precipitation, while San Antonio, TX have an average of 3 mm rain level.
Which airports have flights between St. Louis, MO and San Antonio, TX?

The main route from St. Louis, MO to San Antonio, TX is: Lambert-St Louis Internatl (STL) to San Antonio Intl (SAT). The following airlines fly this route:

Frontier Airlines.

American Airlines.

Which airlines fly from St. Louis, MO to San Antonio, TX?

The airlines that fly non-stop from St. Louis, MO to San Antonio, TX are:

  • United Airlines.

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