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Cheap flights from Indianapolis to San Antonio from $89

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Indianapolis to San Antonio departing on 4/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Indianapolis to San Antonio

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
8:39 pm - 6:59 pm
IND
-
SAT
23h 20m
1 stop
Frontier Logo
7:54 pm - 7:54 pm
SAT
-
IND
23h 00m
1 stop
$151Frontier
Fri, May 8 - Mon, May 11
Frontier Logo
8:46 pm - 3:09 pm
IND
-
SAT
19h 23m
1 stop
Frontier Logo
4:49 pm - 8:00 pm
SAT
-
IND
26h 11m
1 stop
$171Frontier
Mon, Apr 20 - Wed, Apr 22
Frontier Logo
7:36 pm - 9:24 am
IND
-
SAT
14h 48m
1 stop
Frontier Logo
12:46 pm - 12:57 pm
SAT
-
IND
23h 11m
1 stop
$191Frontier
Thu, Apr 16 - Sun, Apr 19
Frontier Logo
8:46 pm - 6:59 pm
IND
-
SAT
23h 13m
1 stop
Frontier Logo
7:54 pm - 7:54 pm
SAT
-
IND
23h 00m
1 stop
$192Frontier
Mon, May 4 - Mon, May 11
Frontier Logo
8:46 pm - 3:09 pm
IND
-
SAT
19h 23m
1 stop
Frontier Logo
12:50 pm - 12:57 pm
SAT
-
IND
23h 07m
1 stop
$196Frontier
Fri, Apr 24 - Sun, Apr 26
Frontier Logo
8:39 pm - 6:59 pm
IND
-
SAT
23h 20m
1 stop
Frontier Logo
7:54 pm - 7:54 pm
SAT
-
IND
23h 00m
1 stop
$212Frontier
Fri, May 29 - Sun, May 31
Frontier Logo
8:39 pm - 6:59 pm
IND
-
SAT
23h 20m
1 stop
Frontier Logo
7:54 pm - 7:54 pm
SAT
-
IND
23h 00m
1 stop
$216Frontier
Fri, May 29 - Sun, May 31
Frontier Logo
7:36 pm - 9:24 am
IND
-
SAT
14h 48m
1 stop
Frontier Logo
1:51 pm - 11:11 am
SAT
-
IND
20h 20m
1 stop
$226Frontier
Thu, Apr 16 - Mon, Apr 20
Frontier Logo
8:39 pm - 6:59 pm
IND
-
SAT
23h 20m
1 stop
Frontier Logo
7:54 pm - 7:54 pm
SAT
-
IND
23h 00m
1 stop
$233Frontier
Fri, Jun 5 - Sun, Jun 7
Frontier Logo
8:39 pm - 6:59 pm
IND
-
SAT
23h 20m
1 stop
Frontier Logo
7:54 pm - 7:54 pm
SAT
-
IND
23h 00m
1 stop
$236Frontier
Wed, May 27 - Fri, May 29

Frontier flights from Indianapolis to San Antonio

Our best Frontier deals on Indianapolis to San Antonio flight tickets
Frontier
May 8
IND8:39 pmIndianapolis
23h 20m
1 stop
SAT6:59 pmSan Antonio
May 11
SAT7:54 pmSan Antonio
23h 00m
1 stop
IND7:54 pmIndianapolis
$151
Frontier
Apr 20
IND8:46 pmIndianapolis
19h 23m
1 stop
SAT3:09 pmSan Antonio
Apr 22
SAT4:49 pmSan Antonio
26h 11m
1 stop
IND8:00 pmIndianapolis
$171
Frontier
Apr 16
IND7:36 pmIndianapolis
14h 48m
1 stop
SAT9:24 amSan Antonio
Apr 19
SAT12:46 pmSan Antonio
23h 11m
1 stop
IND12:57 pmIndianapolis
$191

Spirit Airlines flights from Indianapolis to San Antonio

Our best Spirit Airlines deals on Indianapolis to San Antonio flight tickets
Spirit Airlines
Apr 30
IND5:30 amIndianapolis
19h 21m
1 stop
SAT11:51 pmSan Antonio
May 4
SAT5:26 pmSan Antonio
16h 55m
1 stop
IND11:21 amIndianapolis
$320
Spirit Airlines
Apr 24
IND5:30 amIndianapolis
8h 47m
2 stops
SAT1:17 pmSan Antonio
Apr 26
SAT6:00 amSan Antonio
16h 59m
1 stop
IND11:59 pmIndianapolis
$321
Spirit Airlines
Apr 17
IND5:30 amIndianapolis
32h 47m
3 stops
SAT1:17 pmSan Antonio
Apr 20
SAT2:12 pmSan Antonio
8h 46m
1 stop
IND11:58 pmIndianapolis
$340

momondo Fare Finder

 
Customize your flight search to find flights from Indianapolis 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 3, 2026.
Use the filters below to find and compare flights from Indianapolis to San Antonio that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

IndianapolisSan Antonio

IND - SAT

INDSAT

Indianapolis

Fri 5/8

8:39 pm-6:59 pm

1 stop23h 20m

San Antonio

Mon 5/11

7:54 pm-7:54 pm

1 stop23h 00m

$151

IndianapolisSan Antonio

IND - SAT

INDSAT

Indianapolis

Mon 4/20

8:46 pm-3:09 pm

1 stop19h 23m

San Antonio

Wed 4/22

4:49 pm-8:00 pm

1 stop26h 11m

$171

IndianapolisSan Antonio

IND - SAT

INDSAT

Indianapolis

Thu 4/16

7:36 pm-9:24 am

1 stop14h 48m

San Antonio

Sun 4/19

12:46 pm-12:57 pm

1 stop23h 11m

$191

IndianapolisSan Antonio

IND - SAT

INDSAT

Indianapolis

Mon 5/4

8:46 pm-6:59 pm

1 stop23h 13m

San Antonio

Mon 5/11

7:54 pm-7:54 pm

1 stop23h 00m

$192

IndianapolisSan Antonio

IND - SAT

INDSAT

Indianapolis

Fri 4/24

8:46 pm-3:09 pm

1 stop19h 23m

San Antonio

Sun 4/26

12:50 pm-12:57 pm

1 stop23h 07m

$196

IndianapolisSan Antonio

IND - SAT

INDSAT

Indianapolis

Fri 5/29

8:39 pm-6:59 pm

1 stop23h 20m

San Antonio

Sun 5/31

7:54 pm-7:54 pm

1 stop23h 00m

$212

IndianapolisSan Antonio

IND - SAT

INDSAT

Indianapolis

Fri 5/29

8:39 pm-6:59 pm

1 stop23h 20m

San Antonio

Sun 5/31

7:54 pm-7:54 pm

1 stop23h 00m

$216
Quickest round-trip

IndianapolisSan Antonio

IND - SAT

INDSAT

Indianapolis

Thu 4/16

7:36 pm-9:24 am

1 stop14h 48m

San Antonio

Mon 4/20

1:51 pm-11:11 am

1 stop20h 20m

$226

IndianapolisSan Antonio

IND - SAT

INDSAT

Indianapolis

Fri 6/5

8:39 pm-6:59 pm

1 stop23h 20m

San Antonio

Sun 6/7

7:54 pm-7:54 pm

1 stop23h 00m

$233

IndianapolisSan Antonio

IND - SAT

INDSAT

Indianapolis

Wed 5/27

8:39 pm-6:59 pm

1 stop23h 20m

San Antonio

Fri 5/29

7:54 pm-7:54 pm

1 stop23h 00m

$236

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 Indianapolis 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 typical price of a round-trip flight between Indianapolis and San Antonio?

What is the cheapest month to fly to San Antonio?

If you aren’t able to travel during the month of August, then book flights to San Antonio from Indianapolis during September instead. Flights to San Antonio in September, while not as cheap as those in August, still average around $301.

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

You are more likely to see cheaper flights to San Antonio from Indianapolis when booking weeks ahead of your departure date. In general, you can expect to find flights to San Antonio for around $358 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Antonio from Indianapolis for as low as $250 on momondo.

How have Indianapolis to San Antonio flight prices changed over time?

As of April 2026, prices for Indianapolis to San Antonio flights are approximately 71% more expensive when compared to flights at the same time last year.

When to book flights from Indianapolis to San Antonio

Are you open to changing your travel dates? Check out the ideal times to fly from Indianapolis to San Antonio according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Indianapolis to San Antonio (IND to SAT) flight deals and tips

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

Fastest flight time

4h 20m

Direct flights

None
The fastest flight from Indianapolis to San Antonio takes 4h 20m
There are no direct flights from Indianapolis to San Antonio. There are no popular flight routes from Indianapolis to San Antonio.
Search flight deals

Frequently asked questions about flying from Indianapolis to San Antonio

  • How far is Indianapolis to San Antonio by plane?

    There are 998.9 mi between Indianapolis and San Antonio. 4h 20m is a normal flight duration for this route.

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

    Prices for flights from Indianapolis Airport to San Antonio Airport were last updated today.

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

  • How old do you have to be to fly from Indianapolis 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 Indianapolis Airport to San Antonio Airport.

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

    The required travel and health documents for your San Antonio Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Antonio Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Indianapolis to San Antonio?

Best airlines flying from Indianapolis to San Antonio

Compare and see reviews for airlines that fly from Indianapolis to San Antonio with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $157Free CancellationRating
5.7
3,000 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $179Free CancellationRating
6.3
8,578 reviews
Search Spirit Airlines flights
SouthwestPriceFrom $206Free CancellationRating
8.0
4,344 reviews
Search Southwest flights
DeltaPriceFrom $216Free CancellationRating
7.9
8,374 reviews
Search Delta flights
American AirlinesPriceFrom $228Free CancellationRating
7.1
11,552 reviews
Search American Airlines flights
United AirlinesPriceFrom $292Free CancellationRating
7.4
9,538 reviews
Search United Airlines 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 Indianapolis to San Antonio?

Finding the right flight to San Antonio from Indianapolis is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to San Antonio quick and easy, saving you time and money.

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

momondo does allow users to show only those flights to San Antonio from Indianapolis which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Indianapolis 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 Indianapolis.

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

If you are not ready to book a flight from Indianapolis to San Antonio now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to San Antonio and let you know when they change.

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