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Cheap flights from Missouri to San Antonio from $70

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Missouri to San Antonio departing on 5/14. 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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0 bags

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Find the cheapest flights from Missouri to San Antonio

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
6:51 pm - 8:14 pm
STL
-
SAT
25h 23m
1 stop
Frontier Logo
7:54 pm - 7:23 pm
SAT
-
STL
23h 29m
1 stop
$151Frontier
Wed, May 6 - Sun, May 10
Frontier Logo
2:34 pm - 6:59 pm
MCI
-
SAT
28h 25m
1 stop
Frontier Logo
7:54 pm - 1:49 pm
SAT
-
MCI
17h 55m
1 stop
$156Frontier
Mon, May 11 - Mon, May 18
Frontier Logo
9:55 pm - 8:14 pm
STL
-
SAT
22h 19m
1 stop
Frontier Logo
7:54 pm - 7:23 pm
SAT
-
STL
23h 29m
1 stop
$171Frontier
Mon, May 4 - Fri, May 8
Frontier Logo
9:06 pm - 8:14 pm
STL
-
SAT
23h 08m
1 stop
Frontier Logo
7:54 pm - 7:23 pm
SAT
-
STL
23h 29m
1 stop
$176Frontier
Fri, May 22 - Tue, May 26
American Airlines Logo
7:34 pm - 11:56 pm
SGF
-
SAT
4h 22m
1 stop
American Airlines Logo
5:00 am - 9:24 am
SAT
-
SGF
4h 24m
1 stop
$304American Airlines
Sat, May 9 - Sat, May 16
Delta Logo
6:52 pm - 12:44 am
SGF
-
SAT
5h 52m
1 stop
Delta Logo
5:25 am - 11:27 am
SAT
-
SGF
6h 02m
1 stop
$309Delta
Thu, May 7 - Sun, May 10
Delta Logo
6:00 am - 1:21 pm
SGF
-
SAT
7h 21m
1 stop
Delta Logo
2:29 pm - 10:09 pm
SAT
-
SGF
7h 40m
1 stop
$324Delta
Fri, Jul 3 - Mon, Jul 6
United Airlines Logo
3:10 pm - 10:54 pm
COU
-
SAT
7h 44m
1 stop
United Airlines Logo
6:49 am - 2:32 pm
SAT
-
COU
7h 43m
1 stop
$328United Airlines
Fri, May 1 - Tue, May 5
United Airlines Logo
3:10 pm - 10:54 pm
COU
-
SAT
7h 44m
1 stop
United Airlines Logo
5:30 am - 2:32 pm
SAT
-
COU
9h 02m
2 stops
$334United Airlines
Fri, May 1 - Tue, May 5
American Airlines Logo
9:30 am - 3:53 pm
SGF
-
SAT
6h 23m
1 stop
American Airlines Logo
5:35 pm - 11:34 pm
SAT
-
SGF
5h 59m
1 stop
$345American Airlines
Sat, Jul 4 - Mon, Jul 6

Delta flights from Missouri to San Antonio

Our best Delta deals on Missouri to San Antonio flight tickets
Delta
Apr 29
MCI10:49 amKansas City
7h 20m
1 stop
SAT6:09 pmSan Antonio
May 6
SAT5:20 amSan Antonio
6h 00m
1 stop
MCI11:20 amKansas City
$305
Delta
May 7
SGF6:52 pmSpringfield-Branson
5h 52m
1 stop
SAT12:44 amSan Antonio
May 10
SAT5:25 amSan Antonio
6h 02m
1 stop
SGF11:27 amSpringfield-Branson
$309
Delta
May 7
MCI12:21 pmKansas City
8h 07m
1 stop
SAT8:28 pmSan Antonio
May 9
SAT5:00 pmSan Antonio
6h 49m
1 stop
MCI11:49 pmKansas City
$313

Frontier flights from Missouri to San Antonio

Our best Frontier deals on Missouri to San Antonio flight tickets
Frontier
May 6
STL6:51 pmLambert-St Louis
25h 23m
1 stop
SAT8:14 pmSan Antonio
May 10
SAT7:54 pmSan Antonio
23h 29m
1 stop
STL7:23 pmLambert-St Louis
$151
Frontier
May 11
MCI2:34 pmKansas City
28h 25m
1 stop
SAT6:59 pmSan Antonio
May 18
SAT7:54 pmSan Antonio
17h 55m
1 stop
MCI1:49 pmKansas City
$156
Frontier
May 4
STL9:55 pmLambert-St Louis
22h 19m
1 stop
SAT8:14 pmSan Antonio
May 8
SAT7:54 pmSan Antonio
23h 29m
1 stop
STL7:23 pmLambert-St Louis
$171

momondo Fare Finder

 
Customize your flight search to find flights from Missouri to San Antonio 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, momondo users made 832,500 searches. Data last updated April 18, 2026.
Use the filters below to find and compare flights from Missouri to San Antonio that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisSan Antonio

STL - SAT

STLSAT

Lambert-St Louis

Wed 5/6

6:51 pm-8:14 pm

1 stop25h 23m

San Antonio

Sun 5/10

7:54 pm-7:23 pm

1 stop23h 29m

$151

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Mon 5/11

2:34 pm-6:59 pm

1 stop28h 25m

San Antonio

Mon 5/18

7:54 pm-1:49 pm

1 stop17h 55m

$156

St. LouisSan Antonio

STL - SAT

STLSAT

Lambert-St Louis

Mon 5/4

9:55 pm-8:14 pm

1 stop22h 19m

San Antonio

Fri 5/8

7:54 pm-7:23 pm

1 stop23h 29m

$171

St. LouisSan Antonio

STL - SAT

STLSAT

Lambert-St Louis

Fri 5/22

9:06 pm-8:14 pm

1 stop23h 08m

San Antonio

Tue 5/26

7:54 pm-7:23 pm

1 stop23h 29m

$176
Quickest round-trip

SpringfieldSan Antonio

SGF - SAT

SGFSAT

Springfield-Branson

Sat 5/9

7:34 pm-11:56 pm

1 stop4h 22m

San Antonio

Sat 5/16

5:00 am-9:24 am

1 stop4h 24m

$304

SpringfieldSan Antonio

SGF - SAT

SGFSAT

Springfield-Branson

Thu 5/7

6:52 pm-12:44 am

1 stop5h 52m

San Antonio

Sun 5/10

5:25 am-11:27 am

1 stop6h 02m

$309

SpringfieldSan Antonio

SGF - SAT

SGFSAT

Springfield-Branson

Fri 7/3

6:00 am-1:21 pm

1 stop7h 21m

San Antonio

Mon 7/6

2:29 pm-10:09 pm

1 stop7h 40m

$324

ColumbiaSan Antonio

COU - SAT

COUSAT

Columbia Regional

Fri 5/1

3:10 pm-10:54 pm

1 stop7h 44m

San Antonio

Tue 5/5

6:49 am-2:32 pm

1 stop7h 43m

$328

ColumbiaSan Antonio

COU - SAT

COUSAT

Columbia Regional

Fri 5/1

3:10 pm-10:54 pm

1 stop7h 44m

San Antonio

Tue 5/5

5:30 am-2:32 pm

2 stops9h 02m

$334

SpringfieldSan Antonio

SGF - SAT

SGFSAT

Springfield-Branson

Sat 7/4

9:30 am-3:53 pm

1 stop6h 23m

San Antonio

Mon 7/6

5:35 pm-11:34 pm

1 stop5h 59m

$345

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to San Antonio from

How to get the cheapest flight ticket from Missouri 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 to San Antonio?

If you aren’t able to travel during the month of September, then book flights to San Antonio from Missouri during June instead. Flights to San Antonio in June, while not as cheap as those in September, still average around $307.

What is the cheapest day to depart on your flight to San Antonio?

The cheapest day to depart on your flight to San Antonio is on a Saturday when prices can be found for as low as $370. This is often the case because there is less demand to fly during this day of the week. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to San Antonio on Sunday is $470.

What is the cheapest time of day to depart on your flight to San Antonio?

According to our data, the cheapest time of day to fly to San Antonio is in the afternoon. momondo users have found flights departing from Missouri to San Antonio in the afternoon for as low as $362. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to San Antonio are more costly in the evening, with an average ticket price of $457. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Missouri to San Antonio flight route?

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

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

You are more likely to see cheaper flights to San Antonio from Missouri when booking weeks ahead of your departure date. In general, you can expect to find flights to San Antonio for around $341 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Antonio from Missouri for as low as $227 on momondo.

What cabin class options are available on Missouri to San Antonio flights?

There is only 1 cabin class available to choose from on Missouri to San Antonio flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Missouri to San Antonio flights?

No. A direct flight is the cheapest option for a flight between Missouri to San Antonio.

Cheap Missouri to San Antonio flight deals and tips

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

Best Price Found

$274

Fastest flight time

2h 00m

Direct flights

Every day

Airports in San Antonio

1 airport
The best one-way flight to San Antonio from Missouri in the past 72 hours is $274. The best round-trip flight deal from Missouri to San Antonio found on momondo in the last 72 hours is $345.
The fastest flight from Missouri to San Antonio takes 2h 00m
Direct flights go from Missouri to San Antonio every day.
There is 1 airport in San Antonio. From Missouri there are direct flights to San Antonio (SAT).
Search flight deals

Frequently asked questions about flying from Missouri to San Antonio

  • When did momondo last update prices for flights from Missouri to San Antonio Airport?

    Prices for flights from Missouri to San Antonio Airport refresh daily.

  • How many operators does momondo search for flights from Missouri to San Antonio Airport?

  • How old do you have to be to fly from Missouri to San Antonio Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Missouri to San Antonio Airport.

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

    The travel and health documents required for your trip to San Antonio Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at San Antonio Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Missouri to San Antonio?

Best airlines flying from Missouri to San Antonio

Compare and see reviews for airlines that fly from Missouri to San Antonio with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $77Free CancellationRating
5.7
2,987 reviews
Search Frontier flights
DeltaPriceFrom $111Free CancellationRating
7.9
8,424 reviews
Search Delta flights
American AirlinesPriceFrom $198Free CancellationRating
7.1
11,604 reviews
Search American Airlines flights
United AirlinesPriceFrom $199Free CancellationRating
7.4
9,605 reviews
Search United Airlines flights
SouthwestPriceFrom $216Free CancellationRating
8.0
4,330 reviews
Search Southwest flights

Traveling to a place near San Antonio?

Book flights to San Antonio if you plan to visit one of these locations
New Braunfels
Kerrville
Boerne
Pleasanton
Schertz

Why use momondo?

Why should I use momondo to find a flight deal from Missouri to San Antonio?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Missouri to San Antonio. momondo saves you time and could save you money on your trip.

Can I find flights from Missouri to San Antonio with flexible booking policies on momondo?

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

How can momondo help me find flights from Missouri 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 Missouri.

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

Yes momondo offers price alerts on flights to San Antonio from Missouri. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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