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$60+ Cheap flights from San Antonio to St. Louis (SAT - STL)

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 12/17. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — STL
Nov 25 — Dec 21
Mon 11/25
Mon 12/2
1 adult, Economy
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The best prices from San Antonio to Lambert-St Louis are usually found in September or April, booked 54 days in advance, depart on a Monday or Wednesday 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 November 20, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Popular in

March

Cheapest in

September

Round-trip from

$122
(CheapOair)

One-way from

$60
(Frontier)
Provider with most accurate pricing for San Antonio-Lambert-St Louis flight deals.
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Provider most trusted by Cheapflights users for San Antonio-Lambert-St Louis flights.
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High demand for flights, 24% potential price rise
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Best time to find cheap flights, 20% potential price drop
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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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Find flight deals from San Antonio to St. Louis

Cheapest flights from San Antonio to St. Louis
Explore the most affordable flight options available from San Antonio to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 20, 2024.

This CheapOair deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/1710:27 pmSAT - STL
1 stop9h 46mFrontier
Wed 12/183:53 pmSTL - SAT
1 stop25h 49mFrontier
Deal found 11/19$122
This CheapOair deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/137:37 pmSAT - STL
1 stop19h 44mMultiple Airlines
Mon 12/166:46 pmSTL - SAT
1 stop26h 41mMultiple Airlines
Deal found 11/19$216
This American Airlines deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1212:36 pmSAT - STL
1 stop3h 58mAmerican Airlines
Sun 12/155:05 amSTL - SAT
1 stop4h 36mAmerican Airlines
Deal found 11/19$228
This Delta deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/126:31 pmSAT - STL
1 stop5h 12mDelta
Sun 12/156:00 amSTL - SAT
1 stop6h 10mDelta
Deal found 11/20$248
This Mytrip deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/136:32 pmSAT - STL
2 stops20h 49mSpirit Airlines
Sun 12/154:26 pmSTL - SAT
2 stops17h 43mSpirit Airlines
Deal found 11/19$300
This United Airlines deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/175:15 amSAT - STL
2 stops7h 04mUnited Airlines
Wed 12/181:39 pmSTL - SAT
1 stop7h 16mUnited Airlines
Deal found 11/19$303
This Southwest deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/218:30 pmSAT - STL
1 stop5h 15mSouthwest
Wed 12/259:05 amSTL - SAT
1 stop6h 50mSouthwest
Deal found 11/19$421
This Alaska Airlines deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/138:23 amSAT - STL
2 stops29h 01mAlaska Airlines
Mon 12/167:00 amSTL - SAT
2 stops16h 39mAlaska Airlines
Deal found 11/19$737

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 2,629,791 searches. Data last updated November 20, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

San AntonioSt. Louis

SAT - STL

SATSTL

San Antonio

Tue 12/17

10:27 pm-8:13 am

1 stop9h 46m

Lambert-St Louis

Wed 12/18

3:53 pm-5:42 pm

1 stop25h 49m

$122

San AntonioSt. Louis

SAT - STL

SATSTL

San Antonio

Fri 12/13

7:37 pm-3:21 pm

1 stop19h 44m

Lambert-St Louis

Mon 12/16

6:46 pm-9:27 pm

1 stop26h 41m

$216

San AntonioSt. Louis

SAT - STL

SATSTL

San Antonio

Tue 1/21

12:26 pm-7:30 pm

1 stop7h 04m

Lambert-St Louis

Fri 1/24

5:03 am-10:07 am

1 stop5h 04m

$218

San AntonioSt. Louis

SAT - STL

SATSTL

San Antonio

Sun 1/12

7:00 am-11:47 am

1 stop4h 47m

Lambert-St Louis

Tue 1/14

6:00 am-11:46 am

1 stop5h 46m

$238

San AntonioSt. Louis

SAT - STL

SATSTL

San Antonio

Fri 12/13

6:32 pm-3:21 pm

2 stops20h 49m

Lambert-St Louis

Sun 12/15

4:26 pm-10:09 am

2 stops17h 43m

$300

San AntonioSt. Louis

SAT - STL

SATSTL

San Antonio

Tue 12/17

5:15 am-12:19 pm

2 stops7h 04m

Lambert-St Louis

Wed 12/18

1:39 pm-8:55 pm

1 stop7h 16m

$303

San AntonioSt. Louis

SAT - STL

SATSTL

San Antonio

Fri 2/21

5:25 pm-11:05 pm

1 stop5h 40m

Lambert-St Louis

Sun 2/23

7:55 pm-10:20 pm

Nonstop2h 25m

$311

San AntonioSt. Louis

SAT - STL

SATSTL

San Antonio

Fri 12/13

8:23 am-1:24 pm

2 stops29h 01m

Lambert-St Louis

Mon 12/16

7:00 am-11:39 pm

2 stops16h 39m

$737

San AntonioSt. Louis

SAT - STL

SATSTL

San Antonio

Tue 12/17

10:27 pm-8:13 am

1 stop9h 46m

$60

San AntonioSt. Louis

SAT - STL

SATSTL

San Antonio

Wed 12/18

5:20 am-12:03 pm

1 stop6h 43m

$114

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

Showing 1-10 of 15 results
1
2

Compare providers for flights from San Antonio to St. Louis

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Antonio to St. Louis in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
MytripPrice Accuracy3 starsTrust Score*3 stars
CheapOairPrice Accuracy2 starsTrust Score*3 stars
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on San Antonio-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Antonio-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Antonio-St. Louis flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Antonio-St. Louis flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Antonio-St. Louis flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

Travel insights for flights from San Antonio to St. Louis

Get recent, data-driven insights about flights from San Antonio to St. Louis including ideal travel times, pricing trends, and more.

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 November 15, 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 54 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.

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 $308). Flying from San Antonio to St. Louis in March is currently the most expensive (average of $357). 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.

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

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 November 20, 2024.

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 48% versus a flight in the morning.

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 November 18, 2024.

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. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in St. Louis by month

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

In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.

Temperature in St. Louis by month

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

If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 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 November 20, 2024.
Peruse reviews from past customers who have flown with American Airlines, Delta and United 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.
Southwest
8.1
Very good
5,014 reviews

Crew

8.7

Entertainment

7.7

Boarding

8.2

Comfort

8.1

Overall

8.1

Food

7.2

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

Southwest
8.1
Very good
5,014 reviews
Southwest
8.1
Very good
5,014 reviews

Crew

8.7

Entertainment

7.7

Boarding

8.2

Comfort

8.1

Overall

8.1

Food

7.2

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

Alaska Airlines
8.0
Very good
9,461 reviews
Southwest
8.1
Very good
5,014 reviews

Crew

8.7

Entertainment

7.7

Boarding

8.2

Comfort

8.1

Overall

8.1

Food

7.2

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

Delta
8.0
Very good
8,756 reviews
Southwest
8.1
Very good
5,014 reviews

Crew

8.7

Entertainment

7.7

Boarding

8.2

Comfort

8.1

Overall

8.1

Food

7.2

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

United Airlines
7.4
Good
9,171 reviews
Southwest
8.1
Very good
5,014 reviews

Crew

8.7

Entertainment

7.7

Boarding

8.2

Comfort

8.1

Overall

8.1

Food

7.2

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
5,014 reviews

Crew

8.7

Entertainment

7.7

Boarding

8.2

Comfort

8.1

Overall

8.1

Food

7.2

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

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.

  • How popular is this San Antonio to St. Louis flight route?

    This flight path from San Antonio to Lambert-St Louis was viewed by 1 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    Frontier, at $122, was found to be the cheapest airline from San Antonio to St. Louis.Alternate airlines to your destination round-trip include American Airlines and Delta. Users have found that Frontier is 68% 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 Frontier, which is currently one of the cheapest options available, starting at $60. American Airlines flights start at $109 while deals on Delta start at $114 one-way.

  • What are the cheapest flights from San Antonio to St. Louis?

    On average you can expect to pay $385 for a flight from San Antonio to St. Louis. The cheapest flight overall is $183 while the most popular route, (San Antonio - Lambert-St Louis) is currently priced at $216.

  • 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.

  • 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 $308). Flying from San Antonio to St. Louis in March is currently the most expensive (average of $357). 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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Top 5 airlines flying from San Antonio to St. Louis

Discover the top 5 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 2,629,791 searches. Data last updated November 20, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$127Average$185FlexibilityNo cancel feeOn-time62%
DeltaCheapest$165Average$268FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$235Average$386FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$258Average$366FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$291Average$461FlexibilityNo cancel feeOn-time63%
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