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Cheap flights from Indianapolis to San Antonio from $79

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 10/6. 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
0 bags

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Find the cheapest flights from Indianapolis to San Antonio

Cheap round-trip flights

Frontier Logo
11:31 am - 4:50 pmIND-SAT
6h 19m1 stop
Frontier Logo
3:59 pm - 4:29 pmSAT-IND
23h 30m1 stop
$170Frontier
Find Deal
Mon, Oct 20 - Tue, Oct 21
Frontier Logo
12:06 pm - 4:35 pmIND-SAT
5h 29m1 stop
Frontier Logo
9:55 am - 8:04 pmSAT-IND
9h 09m1 stop
$183Frontier
Find Deal
Fri, Oct 3 - Sun, Oct 5
Multiple Airlines Logo
11:32 am - 4:50 pmIND-SAT
6h 18m1 stop
Multiple Airlines Logo
7:35 pm - 9:48 amSAT-IND
13h 13m1 stop
$188Multiple Airlines
Find Deal
Mon, Oct 27 - Fri, Oct 31
American Airlines Logo
6:00 am - 10:20 amIND-SAT
5h 20m1 stop
American Airlines Logo
6:05 am - 1:53 pmSAT-IND
6h 48m1 stop
$297American Airlines
Find Deal
Wed, Oct 15 - Wed, Oct 22
Delta Logo
7:00 am - 1:41 pmIND-SAT
7h 41m1 stop
Delta Logo
4:35 pm - 12:12 amSAT-IND
6h 37m1 stop
$305Delta
Find Deal
Tue, Dec 16 - Thu, Dec 18
United Airlines Logo
11:50 am - 3:30 pmIND-SAT
4h 40m1 stop
United Airlines Logo
5:20 am - 1:33 pmSAT-IND
7h 13m2 stops
$310United Airlines
Find Deal
Wed, Dec 10 - Sat, Dec 13
Southwest Logo
6:25 am - 11:05 amIND-SAT
5h 40m1 stop
Southwest Logo
5:15 am - 2:45 pmSAT-IND
8h 30m1 stop
$313Southwest
Find Deal
Sat, Oct 25 - Thu, Oct 30
Southwest Logo
6:45 am - 1:35 pmIND-SAT
7h 50m2 stops
Southwest Logo
5:40 am - 3:40 pmSAT-IND
9h 00m2 stops
$315Southwest
Find Deal
Wed, Dec 10 - Sat, Dec 13
American Airlines Logo
6:00 am - 12:52 pmIND-SAT
7h 52m1 stop
American Airlines Logo
6:24 pm - 12:09 amSAT-IND
4h 45m1 stop
$321American Airlines
Find Deal
Tue, Oct 7 - Fri, Oct 10
United Airlines Logo
5:38 pm - 11:01 pmIND-SAT
6h 23m1 stop
United Airlines Logo
6:45 am - 3:19 pmSAT-IND
7h 34m1 stop
$329United Airlines
Find Deal
Sat, Oct 11 - Sat, Oct 18

Spirit Airlines flights from Indianapolis to San Antonio

Our best Spirit Airlines deals on Indianapolis to San Antonio flight tickets
Spirit Airlines
Oct 27
IND5:30 amIndianapolis
11h 20m
1 stop
SAT3:50 pmSan Antonio
Oct 31
SAT7:35 pmSan Antonio
13h 13m
1 stop
IND9:48 amIndianapolis
$217
Find similar
Spirit Airlines
Nov 6
IND6:35 amIndianapolis
9h 36m
1 stop
SAT3:11 pmSan Antonio
Nov 13
SAT6:00 amSan Antonio
6h 02m
1 stop
IND1:02 pmIndianapolis
$227
Find similar
Spirit Airlines
Jan 8
IND6:35 amIndianapolis
9h 36m
1 stop
SAT3:11 pmSan Antonio
Jan 11
SAT6:00 amSan Antonio
5h 57m
1 stop
IND12:57 pmIndianapolis
$230
Find similar

Frontier flights from Indianapolis to San Antonio

Our best Frontier deals on Indianapolis to San Antonio flight tickets
Frontier
Oct 20
IND11:31 amIndianapolis
6h 19m
1 stop
SAT4:50 pmSan Antonio
Oct 21
SAT3:59 pmSan Antonio
23h 30m
1 stop
IND4:29 pmIndianapolis
$170
Find similar
Frontier
Oct 3
IND12:06 pmIndianapolis
5h 29m
1 stop
SAT4:35 pmSan Antonio
Oct 5
SAT9:55 amSan Antonio
9h 09m
1 stop
IND8:04 pmIndianapolis
$183
Find similar
Frontier
Sep 25
IND8:54 pmIndianapolis
15h 52m
1 stop
SAT11:46 amSan Antonio
Sep 28
SAT8:20 pmSan Antonio
22h 44m
1 stop
IND8:04 pmIndianapolis
$198
Find similar

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 September 17, 2025.
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

IndianapolisSan Antonio

IND - SAT

INDSAT

Indianapolis

Mon 10/20

11:31 am-4:50 pm

1 stop6h 19m

San Antonio

Tue 10/21

3:59 pm-4:29 pm

1 stop23h 30m

$170

IndianapolisSan Antonio

IND - SAT

INDSAT

Indianapolis

Fri 10/3

12:06 pm-4:35 pm

1 stop5h 29m

San Antonio

Sun 10/5

9:55 am-8:04 pm

1 stop9h 09m

$183

IndianapolisSan Antonio

IND - SAT

INDSAT

Indianapolis

Mon 10/27

11:32 am-4:50 pm

1 stop6h 18m

San Antonio

Fri 10/31

7:35 pm-9:48 am

1 stop13h 13m

$188

IndianapolisSan Antonio

IND - SAT

INDSAT

Indianapolis

Wed 10/15

6:00 am-10:20 am

1 stop5h 20m

San Antonio

Wed 10/22

6:05 am-1:53 pm

1 stop6h 48m

$297

IndianapolisSan Antonio

IND - SAT

INDSAT

Indianapolis

Tue 12/16

7:00 am-1:41 pm

1 stop7h 41m

San Antonio

Thu 12/18

4:35 pm-12:12 am

1 stop6h 37m

$305

IndianapolisSan Antonio

IND - SAT

INDSAT

Indianapolis

Wed 12/10

11:50 am-3:30 pm

1 stop4h 40m

San Antonio

Sat 12/13

5:20 am-1:33 pm

2 stops7h 13m

$310

IndianapolisSan Antonio

IND - SAT

INDSAT

Indianapolis

Sat 10/25

6:25 am-11:05 am

1 stop5h 40m

San Antonio

Thu 10/30

5:15 am-2:45 pm

1 stop8h 30m

$313

IndianapolisSan Antonio

IND - SAT

INDSAT

Indianapolis

Wed 12/10

6:45 am-1:35 pm

2 stops7h 50m

San Antonio

Sat 12/13

5:40 am-3:40 pm

2 stops9h 00m

$315

IndianapolisSan Antonio

IND - SAT

INDSAT

Indianapolis

Tue 10/7

6:00 am-12:52 pm

1 stop7h 52m

San Antonio

Fri 10/10

6:24 pm-12:09 am

1 stop4h 45m

$321

IndianapolisSan Antonio

IND - SAT

INDSAT

Indianapolis

Sat 10/11

5:38 pm-11:01 pm

1 stop6h 23m

San Antonio

Sat 10/18

6:45 am-3:19 pm

1 stop7h 34m

$329

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 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 May instead. Flights to San Antonio in May, while not as cheap as those in August, still average around $357.

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 Tuesday when prices can be found for as low as $351. 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 $411.

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 at noon. momondo users have found flights departing from Indianapolis to San Antonio at noon for as low as $366. 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 afternoon, with an average ticket price of $392. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

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 $375 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 $296 on momondo.

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

As of September 2025, prices for Indianapolis to San Antonio flights are approximately 190% 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

Direct flights

None
There are no direct flights from Indianapolis to San Antonio. There are no popular flight routes from Indianapolis to San Antonio.
Search flight deals

  • How far is Indianapolis to San Antonio by plane?

    There are 998.9 mi between Indianapolis and San Antonio. 4h 40m 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
Spirit AirlinesPriceFrom $144Free CancellationRating
6.3
8,023 reviews
Search Spirit Airlines flights
FrontierPriceFrom $193Free CancellationRating
5.8
3,173 reviews
Search Frontier flights
SouthwestPriceFrom $215Free CancellationRating
8.0
4,242 reviews
Search Southwest flights
American AirlinesPriceFrom $234Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $236Free CancellationRating
7.9
7,961 reviews
Search Delta flights
United AirlinesPriceFrom $306Free CancellationRating
7.4
8,926 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
Schertz
Pleasanton

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.

An easier way to manage your San Antonio trip

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