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Cheap flights from St. Louis to San Antonio from $59

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to San Antonio departing on 5/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Wed 4/24
Wed 5/1

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Easily compare round-trip flights from St. Louis to San Antonio

Below you can see the best fares for your round-trip flight route over the next six months. All fares were found on momondo this week. Browse the quickest and cheapest flights from St. Louis to San Antonio by changing tabs
Frontier
May 16
STL5:01 pmLambert-St Louis
28h 19m
1 stop
SAT9:20 pmSan Antonio
May 20
SAT9:50 pmSan Antonio
23h 49m
1 stop
STL9:39 pmLambert-St Louis
Multiple Airlines
May 16
STL7:23 pmLambert-St Louis
25h 57m
1 stop
SAT9:20 pmSan Antonio
May 23
SAT11:26 amSan Antonio
7h 14m
1 stop
STL6:40 pmLambert-St Louis
Spirit Airlines
May 16
STL6:19 pmLambert-St Louis
23h 21m
2 stops
SAT5:40 pmSan Antonio
May 23
SAT11:26 amSan Antonio
7h 14m
1 stop
STL6:40 pmLambert-St Louis
Delta
May 11
STL5:07 pmLambert-St Louis
6h 04m
1 stop
SAT11:11 pmSan Antonio
May 15
SAT4:00 pmSan Antonio
5h 34m
1 stop
STL9:34 pmLambert-St Louis
American Airlines
May 15
STL5:04 amLambert-St Louis
7h 06m
1 stop
SAT12:10 pmSan Antonio
May 19
SAT2:28 pmSan Antonio
7h 19m
1 stop
STL9:47 pmLambert-St Louis
Frontier
May 2
STL7:51 pmLambert-St Louis
24h 27m
1 stop
SAT8:18 pmSan Antonio
May 6
SAT4:47 pmSan Antonio
14h 26m
1 stop
STL7:13 amLambert-St Louis

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

If you're looking for one-way flights from St. Louis to San Antonio, view some of our deals below provided by American Airlines, Frontier and Spirit Airlines
Frontier
May 16
STL5:01 pmLambert-St Louis
28h 19m
1 stop
SAT9:20 pmSan Antonio
Spirit Airlines
May 25
STL5:15 pmLambert-St Louis
7h 05m
1 stop
SAT12:20 amSan Antonio
American Airlines
Jul 1
STL9:44 amLambert-St Louis
8h 13m
1 stop
SAT5:57 pmSan Antonio

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

Find and compare round-trip flight prices for your last-minute flight from St. Louis to San Antonio
Frontier
May 2
STL7:51 pmLambert-St Louis
24h 27m
1 stop
SAT8:18 pmSan Antonio
May 6
SAT4:47 pmSan Antonio
14h 26m
1 stop
STL7:13 amLambert-St Louis
Spirit Airlines
Apr 24
STL11:33 amLambert-St Louis
9h 19m
1 stop
SAT8:52 pmSan Antonio
Apr 27
SAT1:00 pmSan Antonio
28h 34m
2 stops
STL5:34 pmLambert-St Louis
Frontier
Apr 25
STL10:59 pmLambert-St Louis
21h 19m
1 stop
SAT8:18 pmSan Antonio
Apr 28
SAT11:56 amSan Antonio
10h 01m
1 stop
STL9:57 pmLambert-St Louis
Multiple Airlines
Apr 26
STL3:55 pmLambert-St Louis
32h 47m
3 stops
SAT12:42 amSan Antonio
Apr 29
SAT6:00 pmSan Antonio
15h 44m
2 stops
STL9:44 amLambert-St Louis
Frontier
Apr 25
STL10:59 pmLambert-St Louis
21h 19m
1 stop
SAT8:18 pmSan Antonio
Apr 29
SAT7:57 pmSan Antonio
11h 16m
1 stop
STL7:13 amLambert-St Louis
American Airlines
Apr 25
STL11:07 amLambert-St Louis
5h 56m
1 stop
SAT5:03 pmSan Antonio
Apr 27
SAT1:19 pmSan Antonio
5h 40m
1 stop
STL6:59 pmLambert-St Louis

Best airlines flying from St. Louis to San Antonio

Compare and see reviews for airlines that fly from St. Louis to San Antonio with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $147Free CancellationRating
6.3
4,163 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $161Free CancellationRating
6.4
8,777 reviews
Search Spirit Airlines flights
United AirlinesPriceFrom $174Free CancellationRating
7.4
11,325 reviews
Search United Airlines flights
DeltaPriceFrom $176Free CancellationRating
8.0
11,094 reviews
Search Delta flights
American AirlinesPriceFrom $260Free CancellationRating
7.3
14,955 reviews
Search American Airlines flights

Delta flights from St. Louis to San Antonio

Our best Delta deals on St. Louis to San Antonio flight tickets
Delta
May 11
STL5:07 pmLambert-St Louis
6h 04m
1 stop
SAT11:11 pmSan Antonio
May 15
SAT4:00 pmSan Antonio
5h 34m
1 stop
STL9:34 pmLambert-St Louis
Delta
May 12
STL6:11 amLambert-St Louis
5h 46m
1 stop
SAT11:57 amSan Antonio
May 17
SAT2:31 pmSan Antonio
7h 21m
1 stop
STL9:52 pmLambert-St Louis

United Airlines flights from St. Louis to San Antonio

Our best United Airlines deals on St. Louis to San Antonio flight tickets
United Airlines
May 18
STL4:57 pmLambert-St Louis
4h 02m
1 stop
SAT8:59 pmSan Antonio
May 25
SAT5:30 amSan Antonio
8h 46m
2 stops
STL2:16 pmLambert-St Louis
United Airlines
Sep 4
STL11:10 amLambert-St Louis
10h 20m
2 stops
SAT9:30 pmSan Antonio
Sep 10
SAT5:50 pmSan Antonio
4h 23m
1 stop
STL10:13 pmLambert-St Louis
United Airlines
Oct 10
STL6:15 amLambert-St Louis
4h 45m
1 stop
SAT11:00 amSan Antonio
Oct 17
SAT9:36 amSan Antonio
12h 39m
2 stops
STL10:15 pmLambert-St Louis

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

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 St. Louis to San Antonio?

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

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

Wednesday. The cheapest day of the week is typically Wednesday. The most expensive is typically Sunday

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

In the evening. St. Louis to San Antonio flights are approximately 11% more expensive in the morning than in the evening

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

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

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

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

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

47 days before. The cheapest time to buy a flight from St. Louis to San Antonio is approximately 47 days to departure

How many flights depart from St. Louis to San Antonio on average per day?

As of April 2024, 1 flights take off from St. Louis and land in San Antonio each day. The most common flight departure time for this route is 9:00AM, with 54% of daily flights taking off at noon.

How many flights depart from St. Louis to San Antonio on average per week?

The number of flights available between St. Louis and San Antonio is 9 per week as of April 2024. The most frequent departure day is Sunday, with 22% of weekly flights leaving on this day.

Cheap St. Louis to San Antonio (STL to SAT) flight deals and tips

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

Best Price Found

$59

Fastest flight time

4h 02m

Direct flights

None

Airports in San Antonio

1 airport
The best one-way flight to San Antonio from St. Louis in the past 72 hours is $59. The best round-trip flight deal from St. Louis to San Antonio found on momondo in the last 72 hours is $97.
The fastest flight from St. Louis to San Antonio takes 4h 02m
There are no direct flights from St. Louis to San Antonio. Popular non-direct route for this connection is Lambert-St Louis Airport - San Antonio Airport.
There is 1 airport near San Antonio: San Antonio (SAT)

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

    There are 792.4 mi between Lambert-St Louis and San Antonio. 4h 02m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Lambert-St Louis Airport to San Antonio Airport?

    Prices for flights from Lambert-St Louis Airport to San Antonio Airport are updated daily.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to San Antonio Airport?

  • How old do you have to be to fly from Lambert-St Louis Airport to San Antonio Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Lambert-St Louis Airport to San Antonio Airport.

  • What documentation or ID do you need to fly to San Antonio Airport?

    The travel and health documents you'll need for your trip to San Antonio Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at San Antonio Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.


Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to San Antonio?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to San Antonio from St. Louis.

Can I find flights from St. Louis to San Antonio with flexible booking policies on momondo?

Flights from St. Louis to San Antonio with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from St. Louis to San Antonio?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to San Antonio from St. Louis.

I’m not ready to book a flight from St. Louis to San Antonio right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of St. Louis to San Antonio flights. All you need is a valid email address and we will do the rest; it is that quick and easy.


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Wed 5/1
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