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  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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Thu, Jan 22 - Fri, Jan 23
American Airlines
American Airlines1 stop
STL - SAT
American Airlines
American Airlines1 stop
SAT - STL
206$
195$
Prime price per passenger
Sun, Jan 11 - Mon, Jan 12
Frontier Airlines
Frontier Airlines1 stop
STL - SAT
Frontier Airlines
Frontier Airlines1 stop
SAT - STL
209$
195$
Prime price per passenger
Tue, Feb 17 - Sun, Feb 22
American Airlines
American Airlines1 stop
STL - SAT
American Airlines
American Airlines1 stop
SAT - STL
248$
Prime price per passenger
Tue, Feb 24 - Sat, Feb 28
American Airlines
American Airlines1 stop
STL - SAT
American Airlines
American Airlines1 stop
SAT - STL
258$
Prime price per passenger
Tue, Feb 3 - Fri, Feb 6
American Airlines
American Airlines1 stop
STL - SAT
American Airlines
American Airlines1 stop
SAT - STL
270$
269$
Prime price per passenger
Sun, Mar 8 - Tue, Mar 17
American Airlines
American Airlines1 stop
STL - SAT
American Airlines
American Airlines1 stop
SAT - STL
358$
348$
Prime price per passenger
Wed, Jan 21
Frontier Airlines
Frontier Airlines1 stop
STL - SAT
-23 %
73$
57$
Prime price per passenger
Wed, Feb 25
Frontier Airlines
Frontier Airlines1 stop
STL - SAT
-17 %
69$
58$
Prime price per passenger
Wed, Feb 4
American Airlines
American Airlines1 stop
STL - SAT
-13 %
91$
80$
Prime price per passenger
Fri, Feb 13
Frontier Airlines
Frontier Airlines1 stop
STL - SAT
85$
81$
Prime price per passenger
Mon, Jan 12
Frontier Airlines
Frontier Airlines1 stop
STL - SAT
85$
83$
Prime price per passenger
Wed, Mar 18
American Airlines
American Airlines1 stop
STL - SAT
141$
130$
Prime price per passenger
The prices shown on this page were available within the last 20 days for the specified periods 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

If you’re planning to fly this route soon, keep in mind that the lowest fares are usually available in the middle of January. Take advantage of this period to save on your flight tickets and make the most of your trip. Please note that prices may change after your search.
Filter by
week: Jan 12 - Jan 18
Flights from just $119
$177
$122
$119
$124
$125
$121
$133
$132
$134
$156
$273
$205
DecemberJanuaryFebruaryMarch
Cheapest flight$57The 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 AirportSt. Louis Lambert International AirportSt. Louis Lambert International Airport is where you'll take off when flying from St Louis, MO to San Antonio, TX
Arrival AirportSan Antonio International AirportYou'll land at San Antonio International Airport 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
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 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 $57. 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: St. Louis Lambert International Airport (STL) to San Antonio International Airport (SAT). The following airlines fly this route:
American Airlines.

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