Cheap flights from San Antonio to St. Louis from $86

Round-trip
1 adult
Economy
0 bags
From?
To?
Sun 10/2
Sun 10/9

Deals available from 900+ travel sites.

Flight information for San Antonio to St. Louis
(SAT to STL)

Find info about flight duration, direct flights, and airports for your flight from San Antonio to St. Louis

Best Price Found

$86

Fastest flight time

2h 00m

Direct flights

Sun

Airports in St. Louis

1 airport
The best one-way flight to St. Louis from San Antonio in the past 72 hours is $86. The best round-trip flight deal from San Antonio to St. Louis found on momondo in the last 72 hours is $184.
The fastest flight from San Antonio to St. Louis takes 2h 00m
Direct flights go from San Antonio to St. Louis on Sunday. The only airline offering direct flights is Southwest.
There is 1 airport near St. Louis: Lambert-St Louis (STL)

How to get the cheapest flight ticket from San Antonio to St. Louis

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly from San Antonio to St. Louis?

January. The cheapest time of year to fly to St. Louis from San Antonio is January. Most expensive is July

What is the cheapest day to depart San Antonio for St. Louis?

Saturday. The cheapest day of the week is typically Saturday. The most expensive is typically Friday

When is the cheapest time to fly from San Antonio to St. Louis?

in the evening. San Antonio to St. Louis flights are approximately 38% more expensive at noon than in the evening

What is the cheapest airline that flies to St. Louis from San Antonio?

Frontier. American Airlines, Delta, and Frontier are the most popular carriers operating from San Antonio to St. Louis

What is the cheapest San Antonio to St. Louis flight route?

San Antonio - Lambert-St Louis. Fly from San Antonio to Lambert-St Louis for the best San Antonio - St. Louis flight prices

How far in advance should you book San Antonio to St. Louis flights?

28 days before. The cheapest time to buy a flight from San Antonio to St. Louis is approximately 28 days to departure

When traveling from San Antonio to St. Louis, the most popular airport to fly into is Lambert-St Louis Airport. The majority of travelers flying into Lambert-St Louis Airport from San Antonio are departing from San Antonio Airport. You may be looking for an airport near San Antonio Airport to depart from when traveling to St. Louis and Austin Bergstrom Airport, located in Austin is a great option. If you are looking for an alternate airport to fly into near Lambert-St Louis Airport, Springfield Capital Airport is a great option and is located in Springfield. The cheapest route from San Antonio to St. Louis is AUS — STL with an average price of $146 RT during the month of September.

Austin Bergstrom Airport (AUS) to Lambert-St Louis Airport (STL)$146
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San Antonio Airport (SAT) to Lambert-St Louis Airport (STL)$184
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Austin Bergstrom Airport (AUS) to Springfield Capital Airport (SPI)$538
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Easily compare round-trip flights from San Antonio to St. Louis

Below you can see the best fares for your round-trip flight route over the next three months. All fares were found on momondo this week. Browse the quickest and cheapest flights from San Antonio to St. Louis by changing tabs
Frontier
Nov 1
SAT6:57 pmSan Antonio
13h 36m
1 stop
STL8:33 amLambert-St Louis
Nov 5
STL6:19 pmLambert-St Louis
11h 25m
1 stop
SAT4:44 amSan Antonio
Multiple Airlines
Nov 12
SAT1:00 amSan Antonio
4h 27m
1 stop
STL5:27 amLambert-St Louis
Nov 16
STL7:56 amLambert-St Louis
20h 20m
1 stop
SAT4:16 amSan Antonio
American Airlines
Oct 15
SAT6:57 amSan Antonio
5h 54m
1 stop
STL12:51 pmLambert-St Louis
Oct 22
STL1:32 pmLambert-St Louis
5h 14m
1 stop
SAT6:46 pmSan Antonio
Delta
Oct 15
SAT2:40 amSan Antonio
4h 56m
1 stop
STL7:36 amLambert-St Louis
Oct 22
STL12:15 pmLambert-St Louis
7h 49m
1 stop
SAT8:04 pmSan Antonio
United Airlines
Nov 1
SAT1:45 pmSan Antonio
19h 05m
2 stops
STL8:50 amLambert-St Louis
Nov 5
STL1:16 pmLambert-St Louis
5h 44m
1 stop
SAT7:00 pmSan Antonio
Frontier
Oct 19
SAT3:07 pmSan Antonio
15h 52m
1 stop
STL6:59 amLambert-St Louis
Oct 26
STL7:39 pmLambert-St Louis
11h 04m
1 stop
SAT6:43 amSan Antonio

Find the cheapest one-way flights from San Antonio to St. Louis

If you're looking for one-way flights from San Antonio to St. Louis, view some of our deals below provided by Delta and Frontier
Frontier
Oct 4
SAT5:55 amSan Antonio
13h 36m
1 stop
STL7:31 pmLambert-St Louis
Multiple Airlines
Oct 30
SAT6:49 pmSan Antonio
13h 18m
1 stop
STL8:07 amLambert-St Louis
Delta
Oct 10
SAT3:10 pmSan Antonio
4h 44m
1 stop
STL7:54 pmLambert-St Louis

Search last-minute flights to St. Louis from San Antonio

Find and compare round-trip flight prices for your last-minute flight from San Antonio to St. Louis
Frontier
Oct 5
SAT3:07 pmSan Antonio
15h 52m
1 stop
STL6:59 amLambert-St Louis
Oct 7
STL7:13 pmLambert-St Louis
22h 59m
1 stop
SAT6:12 pmSan Antonio
Multiple Airlines
Oct 3
SAT7:49 pmSan Antonio
16h 32m
2 stops
STL12:21 pmLambert-St Louis
Oct 26
STL7:54 amLambert-St Louis
6h 11m
1 stop
SAT2:05 pmSan Antonio
American Airlines
Oct 3
SAT8:06 amSan Antonio
7h 22m
1 stop
STL3:28 pmLambert-St Louis
Oct 5
STL1:00 amLambert-St Louis
6h 04m
1 stop
SAT7:04 amSan Antonio
Frontier
Oct 6
SAT7:35 pmSan Antonio
11h 39m
1 stop
STL7:14 amLambert-St Louis
Oct 8
STL6:32 pmLambert-St Louis
12h 39m
1 stop
SAT7:11 amSan Antonio
Delta
Oct 7
SAT3:10 pmSan Antonio
4h 44m
1 stop
STL7:54 pmLambert-St Louis
Oct 9
STL2:00 amLambert-St Louis
5h 25m
1 stop
SAT7:25 amSan Antonio
United Airlines
Oct 3
SAT9:44 amSan Antonio
9h 58m
1 stop
STL7:42 pmLambert-St Louis
Oct 5
STL2:23 amLambert-St Louis
14h 35m
2 stops
SAT4:58 pmSan Antonio

Best airlines flying from San Antonio to St. Louis

Compare and see reviews for airlines that fly from San Antonio to St. Louis with momondo
AirlineRatingFree CancellationPrice
FrontierPriceFrom $81Free CancellationRating
6.1
6.4

Boarding

5.8

Comfort

6.9

Crew

4.7

Entertainment

5.0

Food

Reviews

Flight was supposed to leave at 6:39 and ended up leaving at 11pm

1 / 10
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DeltaPriceFrom $160Free CancellationRating
7.9
7.9

Boarding

8.0

Comfort

8.3

Crew

7.8

Entertainment

7.3

Food

Reviews

One of the crew member weren’t to pleasant

1 / 10
Search Delta flights
American AirlinesPriceFrom $181Free CancellationRating
7.1
7.4

Boarding

7.2

Comfort

7.9

Crew

6.9

Entertainment

6.4

Food

Reviews

Crew was average but not well groomed.

1 / 10
Search American Airlines flights
United AirlinesPriceFrom $287Free CancellationRating
7.2
7.6

Boarding

7.1

Comfort

8.0

Crew

6.9

Entertainment

6.5

Food

Reviews

Very small seat, not much food, and no entertainment at all!!

1 / 10
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Frontier flights from San Antonio to St. Louis

Our best Frontier deals on San Antonio to St. Louis flight tickets
Frontier
Nov 1
SAT6:57 pmSan Antonio
13h 36m
1 stop
STL8:33 amLambert-St Louis
Nov 5
STL6:19 pmLambert-St Louis
11h 25m
1 stop
SAT4:44 amSan Antonio
Frontier
Oct 19
SAT3:07 pmSan Antonio
15h 52m
1 stop
STL6:59 amLambert-St Louis
Oct 26
STL7:39 pmLambert-St Louis
11h 04m
1 stop
SAT6:43 amSan Antonio
Frontier
Oct 5
SAT3:07 pmSan Antonio
15h 52m
1 stop
STL6:59 amLambert-St Louis
Oct 7
STL7:13 pmLambert-St Louis
22h 59m
1 stop
SAT6:12 pmSan Antonio

American Airlines flights from San Antonio to St. Louis

Our best American Airlines deals on San Antonio to St. Louis flight tickets
American Airlines
Oct 15
SAT6:57 amSan Antonio
5h 54m
1 stop
STL12:51 pmLambert-St Louis
Oct 22
STL1:32 pmLambert-St Louis
5h 14m
1 stop
SAT6:46 pmSan Antonio
American Airlines
Nov 12
SAT7:34 amSan Antonio
4h 32m
1 stop
STL12:06 pmLambert-St Louis
Nov 16
STL5:07 amLambert-St Louis
12h 57m
2 stops
SAT6:04 pmSan Antonio
American Airlines
Nov 17
SAT1:00 amSan Antonio
4h 27m
1 stop
STL5:27 amLambert-St Louis
Nov 24
STL4:00 amLambert-St Louis
6h 08m
1 stop
SAT10:08 amSan Antonio

  • Are airlines flying from San Antonio to Lambert-St Louis offering flexible cancellation due to COVID-19?

    To ease the stress of booking flights, some of our airline partners flying from San Antonio to Lambert-St Louis are responding to the global pandemic. The following airlines may have a flexible cancellation policy to help accommodate travelers: American Airlines, United Airlines, and Delta.

  • How far is San Antonio to Lambert-St Louis by plane?

    San Antonio and Lambert-St Louis are 792.4 mi apart from one another. By plane, this route typically takes 4h 12m.



Alternative routes for San Antonio to St. Louis

Compare alternative flights to and from nearby airports and cities to discover the best prices and most convenient flight times
Dallas to Kansas City Flights
Fastest flight time1h 29m
Cheapest price$152
Dallas to St. Louis Flights
Fastest flight time1h 38m
Cheapest price$148
Austin to Kansas City Flights
Fastest flight time1h 52m
Cheapest price$152
Houston to St. Louis Flights
Fastest flight time1h 58m
Cheapest price$193
Houston to Kansas City Flights
Fastest flight time1h 58m
Cheapest price$202
Austin to St. Louis Flights
Fastest flight time2h 03m
Cheapest price$146
San Antonio to Kansas City Flights
Fastest flight time5h 23m
Cheapest price$270
El Paso to Kansas City Flights
Fastest flight time4h 55m
Cheapest price$234
Dallas to Joplin Flights
Fastest flight time2h 19m
Cheapest price$500

Why use momondo?

It is quick and easy to find San Antonio to St. Louis flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to St. Louis that suits you.

Yes. momondo enables you to select and highlight flights to St. Louis from San Antonio with this policy.

Once all potential San Antonio to St. Louis flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

Yes. momondo can track prices for San Antonio to St. Louis flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.


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