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

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The best prices from San Antonio to St Louis are usually found in January or February, booked 13 days in advance, depart on a Thursday or Wednesday and return on a Tuesday

How to find the cheapest flight from
San Antonio (SAT) to St Louis (STL)

SAT - STL
Price
$228 - $356
STL
Temperature
44.6 - 89.6 °F
STL
Rainfall
2.2 - 5.1 inches

Popular in

December

High demand for flights, 18% potential price rise

Cheapest in

January

Best time to find cheap flights, 22% potential price drop

Round-trip from

$228

From San Antonio to St Louis

One-way from

$140

One-way flight from San Antonio to St Louis

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from San Antonio to St Louis?

Wednesday is generally a great day to depart. Flying on this day could help you save up to 25%.

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

Find a great deal and save up to 27% by booking at least 61 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from San Antonio to St Louis within the next two weeks, with the cheapest ticket starting at $164.

When is the cheapest time to fly from San Antonio to St Louis (SAT - STL)?

One of the essential ways to save on airfare from San Antonio to St Louis is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight at noon could potentially save you up to 45% on airfare.

Cheap flights from San Antonio to St Louis in October, November 2020

The best prices found for SAT to STL flights for October, November
11 Nov - 14 Nov
$148pp
SAT
San Antonio
Delta
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Delta
 
1 STOP
SAT
San Antonio
31 Oct - 3 Nov
$155pp
SAT
San Antonio
American Airlines
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
American Airlines
 
1 STOP
SAT
San Antonio
15 Nov - 22 Nov
$158pp
SAT
San Antonio
American Airlines
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
American Airlines
 
1 STOP
SAT
San Antonio

San Antonio to St Louis 2020 flight deals

Cheap flights to St Louis from San Antonio found for this year
11 Nov - 14 Nov
$148pp
SAT
San Antonio
Delta
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Delta
 
1 STOP
SAT
San Antonio
31 Oct - 3 Nov
$155pp
SAT
San Antonio
American Airlines
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
American Airlines
 
1 STOP
SAT
San Antonio
15 Nov - 22 Nov
$158pp
SAT
San Antonio
American Airlines
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
American Airlines
 
1 STOP
SAT
San Antonio

Last minute flights from San Antonio to St Louis

Late deals on round-trip flights to St Louis from San Antonio, departing today and this week
26 Oct - 30 Oct
$188pp
SAT
San Antonio
Frontier
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Frontier
 
1 STOP
SAT
San Antonio
26 Oct - 30 Oct
$208pp
SAT
San Antonio
Frontier
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Frontier
 
1 STOP
SAT
San Antonio
30 Oct - 1 Nov
$226pp
SAT
San Antonio
American Airlines
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
American Airlines
 
1 STOP
SAT
San Antonio

One-way flights to St Louis from San Antonio

The cheapest one-way flights from San Antonio to St Louis
2:15 am - 7:02 am
United Airlines
3 Stops
28h 47m
SAT - STL
United Airlines
$140
United
2:45 am - 11:35 am
Delta
1 Stop
8h 50m
SAT - STL
Delta
$152
Delta
3:09 pm - 8:06 am
Frontier
1 Stop
16h 57m
SAT - STL
Frontier
$155
FlightNetwork

Related info for your journey

Useful info, stats and facts about San Antonio to St Louis flights.

Flight FAQs

From San Antonio to St Louis

Are flight prices decreasing from San Antonio to St Louis due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both San Antonio and St Louis for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

What safety measures are being taken by airlines flying from San Antonio to Lambert-St Louis to control the spread of COVID-19?

Delta is one of the many airlines that have implemented additional safety measures to control the spread of COVID-19. Some of the new policies that have been implemented to accommodate travelers flying from San Antonio to Lambert-St Louis are improved sanitation, HEPA filters, mask requirements, social distance seating (for a limited time), and pre-flight testing for antibodies and symptoms. Policies will vary by airline.

Which airlines flying from San Antonio to Lambert-St Louis have flexible cancellations due to COVID-19?

Due to the rapidly changing circumstances due to COVID-19, airlines like American Airlines, United Airlines, and Frontier flying from San Antonio to Lambert-St Louis have implemented new flexible cancellation policies.

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 Delta for just $148, but on average you can expect to pay $199.

Are there nonstop flights from San Antonio to St Louis for under $100 on Cheapflights?

There are no nonstop flights from San Antonio to St Louis, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.

Are there last-minute flights available from San Antonio to St Louis for under $200?

There are currently 20+ open flights from San Antonio to St Louis within the next 7 days for less than $200.

How popular is this flight route?

Within the past month, 18 users have taken a look at flights from San Antonio to Lambert-St Louis.

Does it rain more in San Antonio or St Louis?

The rainfall in San Antonio is generally less than the rainfall in St Louis. This will continue over the next 10 days.

Is San Antonio weather warmer or cooler than St Louis?

Temperatures around the 97 °F's can be experienced in August. The weather in St Louis is colder than in San Antonio. Plan for potential changes in flight availability as peak weather approaches in this location.

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

A quick flight from San Antonio to St Louis can take about 4h 46m. United Airlines provides one of the quickest options available for as low as $210. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

Delta, at $148, was found to be the cheapest airline from San Antonio to St Louis.Alternate airlines to your destination round-trip include American Airlines and United Airlines. You may be able to fly from San Antonio to St Louis for 49% less than the average price by searching for these airlines.

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

$74 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on American Airlines and Frontier, with prices starting from $78 and $85, respectively.

Alternative routes for San Antonio to St Louis

Destination information for St Louis

Things to know before you go. Useful info for your trip from San Antonio to St Louis
Average temperature for October in St Louis
71.6 °F
Avg rainfall for October in St Louis
2.8 ″

Airports servicing San Antonio

Airports servicing St. Louis

Hourly flight availability from San Antonio to St Louis

Afternoon Noon to 6 PM 100% of SAT to STL departures
Early morning Midnight to 6 AM 0% of SAT to STL departures
Morning 6 AM to noon 0% of SAT to STL departures
Evening 6 PM to midnight 0% of SAT to STL departures
Midnight
6 AM
Noon
6 PM
Weekly flight availability
from San Antonio to St Louis
Sunday
1 daily flight
Monday
1 daily flight
Tuesday
1 daily flight
Wednesday
1 daily flight
Thursday
1 daily flight
Friday
1 daily flight
Saturday
1 daily flight
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