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Cheap flights from San Antonio to St. Louis (SAT - STL) from $67

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/24. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
SAT — STL
jun. 4 — jun. 111
From?
To?
mar. 6/4
mar. 6/11
1 adult, Economy
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The best prices from San Antonio to Lambert-St Louis are usually found in April or September, booked 32 days in advance, depart on a Wednesday or Tuesday and return on a Wednesday

Cheap flight deals from San Antonio to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from San Antonio (SAT) to St. Louis (STL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated mayo 30, 2024.

Popular in

August

Cheapest in

April

Round-trip from

$319

One-way from

$143
High demand for flights, 32% potential price rise
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Best time to find cheap flights, 21% potential price drop
Search Deals
From San Antonio to Lambert-St Louis
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One-way flight from San Antonio to Lambert-St Louis
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What is the cheapest day to fly round-trip from San Antonio to St. Louis?

Flights from San Antonio to St. Louis are found to be more expensive on Wednesday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to St. Louis.

How far in advance should I book a flight from San Antonio to St. Louis?

To save on the cost of your flight from San Antonio to St. Louis, book at least 33 days before your planned departure. Booking around this time can save you about 210% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $228 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $550.

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

Flights from San Antonio to St. Louis lean towards being more expensive in August. Prices are generally better when you fly from San Antonio to St. Louis in April, with the cheapest ticket starting at $181.

What is the cheapest time of day to fly from SAT to STL?

When flying from San Antonio to St. Louis, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 42% versus a flight in the afternoon.

Cheap Frontier flights from San Antonio to St. Louis

Explore cheap flight options specifically provided by Frontier for the route between San Antonio and St. Louis. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,784,634 searches. Data last updated mayo 30, 2024.
Find some of the cheapest Frontier flights traveling from San Antonio to St. Louis. Make sure to double check the flight details before booking.
jue. 6/277:51 pmSAT - STL
1 stop13h 49mFrontier
jue. 7/49:02 pmSTL - SAT
1 stop11h 23mFrontier
Deal found 5/29$215
vie. 6/289:04 pmSAT - STL
1 stop13h 38mFrontier
dom. 6/303:37 pmSTL - SAT
1 stop16h 45mFrontier
Deal found 5/29$221
dom. 6/2310:58 pmSAT - STL
1 stop10h 31mFrontier
dom. 6/303:37 pmSTL - SAT
1 stop16h 45mFrontier
Deal found 5/29$227
dom. 6/910:58 pmSAT - STL
1 stop10h 31mFrontier
vie. 6/145:36 pmSTL - SAT
1 stop16h 05mFrontier
Deal found 5/30$230
dom. 6/910:58 pmSAT - STL
1 stop10h 31mFrontier
sáb. 6/158:02 pmSTL - SAT
1 stop25h 55mFrontier
Deal found 5/30$237
jue. 7/118:19 pmSAT - STL
1 stop13h 06mFrontier
dom. 7/141:38 pmSTL - SAT
1 stop8h 19mFrontier
Deal found 5/29$240
jue. 8/88:19 pmSAT - STL
1 stop13h 06mFrontier
sáb. 8/108:02 pmSTL - SAT
1 stop25h 55mFrontier
Deal found 5/29$247
vie. 7/198:23 pmSAT - STL
1 stop12h 13mFrontier
dom. 7/2112:58 pmSTL - SAT
1 stop8h 59mFrontier
Deal found 5/30$252
jue. 8/18:19 pmSAT - STL
1 stop13h 06mFrontier
lun. 8/57:51 pmSTL - SAT
1 stop24h 48mFrontier
Deal found 5/29$259

Cheap United Airlines flights from San Antonio to St. Louis

Explore cheap flight options specifically provided by United Airlines for the route between San Antonio and St. Louis. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,784,634 searches. Data last updated mayo 30, 2024.
Have a look at some of the cheapest available United Airlines flights departing from San Antonio and landing in St. Louis. Deals are refreshing constantly so come back soon for more options.
mar. 7/305:30 amSAT - STL
2 stops8h 48mUnited Airlines
mié. 7/316:20 amSTL - SAT
1 stop4h 41mUnited Airlines
Deal found 5/30$446
mié. 9/45:15 amSAT - STL
2 stops9h 38mUnited Airlines
lun. 9/96:15 amSTL - SAT
1 stop6h 59mUnited Airlines
Deal found 5/29$461
sáb. 6/85:30 amSAT - STL
2 stops8h 46mUnited Airlines
sáb. 6/1511:15 amSTL - SAT
1 stop4h 16mUnited Airlines
Deal found 5/30$463
jue. 6/135:55 pmSAT - STL
1 stop4h 20mUnited Airlines
jue. 6/208:55 amSTL - SAT
1 stop6h 36mUnited Airlines
Deal found 5/30$468
lun. 7/294:19 pmSAT - STL
1 stop5h 58mUnited Airlines
vie. 8/25:30 pmSTL - SAT
2 stops19h 34mUnited Airlines
Deal found 5/28$501
jue. 6/135:30 amSAT - STL
2 stops8h 44mUnited Airlines
jue. 6/208:55 amSTL - SAT
1 stop6h 36mUnited Airlines
Deal found 5/30$558
vie. 6/145:30 amSAT - STL
2 stops8h 44mUnited Airlines
lun. 6/174:55 pmSTL - SAT
1 stop5h 55mUnited Airlines
Deal found 5/29$676
sáb. 6/85:30 amSAT - STL
2 stops8h 46mUnited Airlines
sáb. 6/1510:15 amSTL - SAT
2 stops9h 40mUnited Airlines
Deal found 5/30$695
dom. 6/235:30 amSAT - STL
2 stops10h 11mUnited Airlines
dom. 6/306:20 amSTL - SAT
1 stop4h 41mUnited Airlines
Deal found 5/29$698

Cheap San Antonio to St. Louis flights in May & June 2024

Find cheap flight options from San Antonio to St. Louis specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,784,634 searches. Prices were last updated on mayo 30, 2024.
These are some of the most attractive deals on flights from San Antonio to St. Louis in 2024. Check back in a little while for more flight options.
lun. 6/107:06 pmSAT - STL
1 stop12h 01mMultiple Airlines
lun. 6/172:41 pmSTL - SAT
1 stop11h 14mMultiple Airlines
Deal found 5/29$194
jue. 6/277:51 pmSAT - STL
1 stop13h 49mFrontier
jue. 7/49:02 pmSTL - SAT
1 stop11h 23mFrontier
Deal found 5/29$215
vie. 6/289:04 pmSAT - STL
1 stop13h 38mFrontier
dom. 6/303:37 pmSTL - SAT
1 stop16h 45mFrontier
Deal found 5/29$221
dom. 6/2310:58 pmSAT - STL
1 stop10h 31mFrontier
dom. 6/303:37 pmSTL - SAT
1 stop16h 45mFrontier
Deal found 5/29$227
dom. 6/910:58 pmSAT - STL
1 stop10h 31mFrontier
vie. 6/145:36 pmSTL - SAT
1 stop16h 05mFrontier
Deal found 5/30$230
dom. 6/910:58 pmSAT - STL
1 stop10h 31mFrontier
sáb. 6/158:02 pmSTL - SAT
1 stop25h 55mFrontier
Deal found 5/30$237
lun. 6/108:28 pmSAT - STL
1 stop14h 29mSpirit Airlines
lun. 6/172:41 pmSTL - SAT
1 stop11h 14mSpirit Airlines
Deal found 5/30$258
sáb. 6/83:02 pmSAT - STL
1 stop23h 35mFrontier
sáb. 6/158:02 pmSTL - SAT
1 stop25h 55mFrontier
Deal found 5/30$278
vie. 6/79:27 amSAT - STL
1 stop24h 02mFrontier
vie. 6/145:36 pmSTL - SAT
1 stop16h 05mFrontier
Deal found 5/30$280

San Antonio to St. Louis 2024 flight deals

Discover exclusive flight deals for travel between San Antonio and St. Louis in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,784,634 searches. Data last updated mayo 30, 2024.
These are some of the most attractive deals on flights from San Antonio to St. Louis in 2024. Check back in a little while for more flight options.
mié. 9/42:41 pmSAT - STL
1 stop7h 33mSpirit Airlines
lun. 9/94:31 pmSTL - SAT
1 stop22h 57mSpirit Airlines
Deal found 5/29$145
mié. 9/42:41 pmSAT - STL
1 stop7h 33mSpirit Airlines
lun. 9/94:31 pmSTL - SAT
1 stop22h 57mSpirit Airlines
Deal found 5/30$150
lun. 6/107:06 pmSAT - STL
1 stop12h 01mMultiple Airlines
lun. 6/172:41 pmSTL - SAT
1 stop11h 14mMultiple Airlines
Deal found 5/29$194
mar. 7/302:18 pmSAT - STL
1 stop24h 48mMultiple Airlines
mié. 7/318:02 pmSTL - SAT
1 stop23h 02mMultiple Airlines
Deal found 5/28$199
vie. 7/58:28 pmSAT - STL
2 stops21h 00mSpirit Airlines
mar. 7/93:23 pmSTL - SAT
1 stop9h 36mSpirit Airlines
Deal found 5/29$211
vie. 7/56:45 amSAT - STL
1 stop7h 31mSpirit Airlines
mar. 7/93:23 pmSTL - SAT
1 stop9h 36mSpirit Airlines
Deal found 5/29$213
jue. 6/277:51 pmSAT - STL
1 stop13h 49mFrontier
jue. 7/49:02 pmSTL - SAT
1 stop11h 23mFrontier
Deal found 5/29$215
mié. 8/142:41 pmSAT - STL
1 stop7h 33mMultiple Airlines
vie. 8/167:29 pmSTL - SAT
1 stop22h 15mMultiple Airlines
Deal found 5/29$219
vie. 6/289:04 pmSAT - STL
1 stop13h 38mFrontier
dom. 6/303:37 pmSTL - SAT
1 stop16h 45mFrontier
Deal found 5/29$221

San Antonio to St. Louis flights leaving soon

Find last-minute flight options from San Antonio to St. Louis for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,784,634 searches. Data last updated mayo 30, 2024.
Check out these flights departing soon from San Antonio to St. Louis. Users should examine the flight details to ensure there are no surprises.
dom. 6/910:58 pmSAT - STL
1 stop10h 31mFrontier
vie. 6/145:36 pmSTL - SAT
1 stop16h 05mFrontier
Deal found 5/30$230
dom. 6/910:58 pmSAT - STL
1 stop10h 31mFrontier
sáb. 6/158:02 pmSTL - SAT
1 stop25h 55mFrontier
Deal found 5/30$237
sáb. 6/83:02 pmSAT - STL
1 stop23h 35mFrontier
sáb. 6/158:02 pmSTL - SAT
1 stop25h 55mFrontier
Deal found 5/30$278
vie. 6/79:27 amSAT - STL
1 stop24h 02mFrontier
vie. 6/145:36 pmSTL - SAT
1 stop16h 05mFrontier
Deal found 5/30$280
vie. 6/79:27 amSAT - STL
1 stop24h 02mFrontier
sáb. 6/158:02 pmSTL - SAT
1 stop25h 55mFrontier
Deal found 5/30$289
vie. 6/79:27 amSAT - STL
1 stop24h 02mFrontier
dom. 6/97:44 pmSTL - SAT
1 stop22h 31mFrontier
Deal found 5/30$298
vie. 6/79:27 amSAT - STL
1 stop24h 02mMultiple Airlines
lun. 6/102:41 pmSTL - SAT
1 stop11h 14mMultiple Airlines
Deal found 5/30$307
dom. 6/95:21 amSAT - STL
1 stop11h 11mMultiple Airlines
sáb. 6/1512:15 pmSTL - SAT
3 stops12h 10mMultiple Airlines
Deal found 5/30$344
vie. 6/78:28 pmSAT - STL
1 stop14h 06mSpirit Airlines
dom. 6/166:55 pmSTL - SAT
1 stop24h 43mSpirit Airlines
Deal found 5/30$345

One-way flights to St. Louis from San Antonio

Search for one-way flight options from San Antonio to St. Louis. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,784,634 searches. Data last updated mayo 30, 2024.
Users traveling one-way from San Antonio to St. Louis can select one of these great deals. Users needing a return flight from San Antonio to St. Louis should utilize the search form above.
mar. 9/248:41 pmSAT - STL
1 stop14h 05mSpirit Airlines
Deal found 5/29$67
mié. 6/58:34 pmSAT - STL
1 stop10h 33mFrontier
Deal found 5/29$76
mié. 6/58:34 pmSAT - STL
1 stop10h 33mFrontier
Deal found 5/29$82
mar. 6/188:31 pmSAT - STL
1 stop16h 34mSpirit Airlines
Deal found 5/30$85
mié. 7/1710:00 pmSAT - STL
1 stop21h 57mFrontier
Deal found 5/29$110
lun. 6/177:06 pmSAT - STL
1 stop12h 01mFrontier
Deal found 5/29$111
mié. 6/261:58 pmSAT - STL
2 stops27h 30mSpirit Airlines
Deal found 5/29$113
mar. 9/243:15 pmSAT - STL
2 stops19h 31mSpirit Airlines
Deal found 5/29$116
lun. 9/306:40 pmSAT - STL
1 stop15h 38mFrontier
Deal found 5/29$117

Find flights from San Antonio to St. Louis within your budget

Customize your flight search to find flights from San Antonio to St. Louis that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,784,634 searches. Data last updated mayo 30, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$145 - $446

Route

Depart

Return

Price

San AntonioLambert-St Louis

SAT - STL

SATSTL

San Antonio

mié. 9/4

1 stop7h 33m

Lambert-St Louis

lun. 9/9

1 stop22h 57m

$145

San AntonioLambert-St Louis

SAT - STL

SATSTL

San Antonio

mié. 9/4

1 stop7h 33m

Lambert-St Louis

lun. 9/9

1 stop22h 57m

$150

San AntonioLambert-St Louis

SAT - STL

SATSTL

San Antonio

lun. 6/10

1 stop12h 01m

Lambert-St Louis

lun. 6/17

1 stop11h 14m

$194

San AntonioLambert-St Louis

SAT - STL

SATSTL

San Antonio

mar. 7/30

1 stop24h 48m

Lambert-St Louis

mié. 7/31

1 stop23h 02m

$199

San AntonioLambert-St Louis

SAT - STL

SATSTL

San Antonio

vie. 7/5

2 stops21h 00m

Lambert-St Louis

mar. 7/9

1 stop9h 36m

$211

San AntonioLambert-St Louis

SAT - STL

SATSTL

San Antonio

jue. 6/27

1 stop13h 49m

Lambert-St Louis

jue. 7/4

1 stop11h 23m

$215

San AntonioLambert-St Louis

SAT - STL

SATSTL

San Antonio

vie. 6/28

1 stop13h 38m

Lambert-St Louis

dom. 6/30

1 stop16h 45m

$221

San AntonioLambert-St Louis

SAT - STL

SATSTL

San Antonio

mar. 7/30

1 stop5h 47m

Lambert-St Louis

mié. 7/31

1 stop3h 59m

$263

San AntonioLambert-St Louis

SAT - STL

SATSTL

San Antonio

mar. 7/30

2 stops8h 48m

Lambert-St Louis

mié. 7/31

1 stop4h 41m

$446

Flights are sorted by cheapest first

Deals found on 5/29

How far ahead should I book a flight from San Antonio to St. Louis?

Use this chart to determine the optimal time to book a round-trip flight from San Antonio to St. Louis. Price data was last updated on May 24, 2024.
To ensure you get the cheapest price possible for a flight from San Antonio to St. Louis, you should look to book at least 32 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
Search Deals

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

Use this chart to determine the cheapest time to fly round-trip from San Antonio to St. Louis. Price data was last updated on May 26, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their San Antonio to St. Louis flight should consider departing on Monday evenings when fares are most often at their lowest. Wednesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Best time to book a flight from San Antonio to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from San Antonio with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Temperature and rainfall in St. Louis by month

Plan your trip to St. Louis by taking into account the average temperature and rainfall totals by month.

STL

Temperature

32 - 80.6 °F

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to St. Louis. Reviews last updated mayo 30, 2024.
Peruse reviews from past customers who have flown with Frontier, United Airlines and Spirit Airlines from San Antonio to St. Louis to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.1
Very good
9,192 reviews
Check prices

Food

7.3

Overall

8.1

Crew

8.6

Comfort

7.9

Boarding

8.2

Entertainment

7.3

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

Alaska Airlines
8.1
Very good
9,192 reviews
Alaska Airlines
8.1
Very good
9,192 reviews
Check prices

Food

7.3

Overall

8.1

Crew

8.6

Comfort

7.9

Boarding

8.2

Entertainment

7.3

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

United Airlines
7.4
Good
10,777 reviews
Alaska Airlines
8.1
Very good
9,192 reviews
Check prices

Food

7.3

Overall

8.1

Crew

8.6

Comfort

7.9

Boarding

8.2

Entertainment

7.3

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

American Airlines
7.3
Good
14,284 reviews
Alaska Airlines
8.1
Very good
9,192 reviews
Check prices

Food

7.3

Overall

8.1

Crew

8.6

Comfort

7.9

Boarding

8.2

Entertainment

7.3

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

Spirit Airlines
6.4
Okay
8,616 reviews
Alaska Airlines
8.1
Very good
9,192 reviews
Check prices

Food

7.3

Overall

8.1

Crew

8.6

Comfort

7.9

Boarding

8.2

Entertainment

7.3

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

Frontier
6.3
Okay
4,016 reviews
Alaska Airlines
8.1
Very good
9,192 reviews
Check prices

Food

7.3

Overall

8.1

Crew

8.6

Comfort

7.9

Boarding

8.2

Entertainment

7.3

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

Related info for your journey

Find useful and relevant information for your journey from San Antonio to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airports do I use to fly from San Antonio to St. Louis?

    You will need to book a flight from San Antonio to Lambert-St Louis if you want to fly from San Antonio to St. Louis. At least 4 different airlines have flights from San Antonio (SAT) to Lambert-St Louis (STL) on a regular basis. There is 1 flight to St. Louis from the San Antonio airport per day. If you manage to book one that is nonstop, then you can expect the flight time from SAT to STL to be around 6h 27m.

  • Can I find flights from San Antonio to St. Louis for under $200 on Cheapflights?

    Yes, there are multiple flights from San Antonio to St. Louis for under $200. The cheapest flight booked recently is on Spirit Airlines for just $145, but on average you can expect to pay $221.

  • Are there last-minute flights available from San Antonio to St. Louis for under $300?

    There are currently 20+ open flights from San Antonio to St. Louis within the next 7 days for less than $300.

  • What days are nonstop flights available from San Antonio to St. Louis?

    Nonstop flights are available for this route on the following days: Monday, Friday, Saturday.

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

    Per day, 4 flights depart from San Antonio to St. Louis on average.
    Early Morning (Midnight to 6am) - 50% of flight departures
    Morning (6am - Noon) - 25% of flight departures
    Afternoon (Noon - 6pm) - 25% of flight departures

  • How long is the flight from San Antonio to St. Louis?

    For as low as $145, Spirit Airlines can have you in St. Louis from San Antonio in 5h 47m. San Antonio and St. Louis are separated by a distance of 790 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from San Antonio to St. Louis round-trip?

    Spirit Airlines, at $145, was found to be the cheapest airline from San Antonio to St. Louis.Alternate airlines to your destination round-trip include Frontier and American Airlines. Users have found that Spirit Airlines is 65% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from San Antonio to St. Louis one-way?

    To fly one-way, consider booking your trip with Spirit Airlines, which is currently one of the cheapest options available, starting at $67. Frontier flights start at $76 while deals on United Airlines start at $280 one-way.

  • What does SAT to STL mean?

    SAT stands for San Antonio Airport, while STL stands for Lambert-St Louis Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry.

  • Can I find deals for flights from San Antonio to St. Louis that include extra baggage allowance?

    The amount of baggage you can bring on your San Antonio to St. Louis flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from San Antonio to St. Louis with specific airlines?

    Yes, Cheapflights allows you to browse and filter San Antonio to St. Louis flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from San Antonio to St. Louis that include hotel bookings?

    Yes. In addition to deals on San Antonio to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Antonio to St. Louis?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Antonio to St. Louis.

  • Can I find deals for business class flights from San Antonio to St. Louis?

    Yes. Cheapflights offers flight deals from San Antonio to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from San Antonio to St. Louis that allow pets onboard?

    Many airlines flying from San Antonio to St. Louis offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from San Antonio to St. Louis?

    Yes, you can often find last-minute deals on San Antonio to St. Louis flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the San Antonio to St. Louis flight deals updated?

    The San Antonio to St. Louis flight deals you see on this page were last updated on 5/30.

  • What are the most popular airlines that fly from San Antonio to St. Louis?

    American Airlines, Delta and Frontier are the most popular airlines when flying from San Antonio to St. Louis.

  • What is the cheapest month to book a flight from San Antonio to St. Louis?

    Currently, September is the cheapest month in which you can book a flight from San Antonio to St. Louis (average of $319). Flying from San Antonio to St. Louis in July is currently the most expensive (average of $366). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for San Antonio to St. Louis
See prices for flight routes from nearby airports that may be better suited for you.

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Top 4 airlines flying from San Antonio to St. Louis

Discover the top 4 airlines that operate flights from San Antonio to St. Louis. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,784,634 searches. Data last updated mayo 30, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$123Average$199FlexibilityNo cancel feeOn-time62%
Search Frontier flights
DeltaCheapest$213Average$356FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapest$268Average$403FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapest$279Average$480FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
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Search flights from San Antonio to St. Louis by cabin class

Find flights from San Antonio to St. Louis, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Hourly flight availability from San Antonio to St. Louis

Find hourly flight availability from San Antonio to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated mayo 30, 2024.
30%of flight departuresEarly morningMidnight to 6 am
10%of flight departuresMorning6 am to noon
60%of flight departuresAfternoonNoon to 6 pm
0%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from San Antonio to St. Louis

Explore weekly flight availability from San Antonio to St. Louis. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated mayo 30, 2024.
Sunday3daily flights
Monday1daily flight
Tuesday1daily flight
Wednesday1daily flight
Thursday1daily flight
Friday1daily flight
Saturday2daily flights

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