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Cheap flights from Indianapolis to San Antonio from $80

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 4/18. 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

Enter your travel dates to find the best prices.
Frontier Logo
8:33 pm - 2:19 pm
IND
-
SAT
18h 46m
1 stop
Frontier Logo
3:14 pm - 7:42 pm
SAT
-
IND
27h 28m
1 stop
$171Frontier
Sun, May 3 - Thu, May 7
Frontier Logo
8:38 pm - 12:17 am
IND
-
SAT
28h 39m
1 stop
Frontier Logo
6:45 am - 7:38 pm
SAT
-
IND
11h 53m
1 stop
$189Frontier
Mon, Mar 23 - Wed, Mar 25
Frontier Logo
8:33 pm - 2:19 pm
IND
-
SAT
18h 46m
1 stop
Frontier Logo
10:23 am - 11:11 am
SAT
-
IND
23h 48m
1 stop
$192Frontier
Thu, Apr 23 - Mon, Apr 27
Frontier Logo
8:52 pm - 12:17 am
IND
-
SAT
28h 25m
1 stop
Frontier Logo
6:45 am - 7:38 pm
SAT
-
IND
11h 53m
1 stop
$200Frontier
Mon, Mar 9 - Wed, Mar 11
Frontier Logo
5:15 pm - 8:08 pm
IND
-
SAT
27h 53m
1 stop
Frontier Logo
2:13 pm - 9:21 am
SAT
-
IND
18h 08m
1 stop
$205Frontier
Fri, Mar 6 - Tue, Mar 10
Frontier Logo
8:33 pm - 12:17 am
IND
-
SAT
28h 44m
1 stop
Frontier Logo
6:45 am - 7:38 pm
SAT
-
IND
11h 53m
1 stop
$206Frontier
Tue, Mar 24 - Fri, Mar 27
Frontier Logo
8:33 pm - 11:17 pm
IND
-
SAT
27h 44m
1 stop
Frontier Logo
6:45 am - 7:38 pm
SAT
-
IND
11h 53m
1 stop
$211Frontier
Sat, Mar 7 - Wed, Mar 11
Frontier Logo
8:33 pm - 2:19 pm
IND
-
SAT
18h 46m
1 stop
Frontier Logo
12:46 pm - 12:57 pm
SAT
-
IND
23h 11m
1 stop
$213Frontier
Thu, Apr 23 - Sun, Apr 26
Frontier Logo
8:38 pm - 12:17 am
IND
-
SAT
28h 39m
1 stop
Frontier Logo
11:35 am - 12:54 pm
SAT
-
IND
24h 19m
1 stop
$218Frontier
Mon, Mar 16 - Mon, Mar 23
Multiple Airlines Logo
3:12 pm - 11:59 pm
IND
-
SAT
9h 47m
1 stop
Multiple Airlines Logo
2:13 pm - 9:21 am
SAT
-
IND
18h 08m
1 stop
$223Multiple Airlines
Thu, Mar 5 - Tue, Mar 10

Frontier flights from Indianapolis to San Antonio

Our best Frontier deals on Indianapolis to San Antonio flight tickets
Frontier
May 3
IND8:33 pmIndianapolis
18h 46m
1 stop
SAT2:19 pmSan Antonio
May 7
SAT3:14 pmSan Antonio
27h 28m
1 stop
IND7:42 pmIndianapolis
$171
Frontier
Mar 23
IND8:38 pmIndianapolis
28h 39m
1 stop
SAT12:17 amSan Antonio
Mar 25
SAT6:45 amSan Antonio
11h 53m
1 stop
IND7:38 pmIndianapolis
$189
Frontier
Apr 23
IND8:33 pmIndianapolis
18h 46m
1 stop
SAT2:19 pmSan Antonio
Apr 27
SAT10:23 amSan Antonio
23h 48m
1 stop
IND11:11 amIndianapolis
$192

Spirit Airlines flights from Indianapolis to San Antonio

Our best Spirit Airlines deals on Indianapolis to San Antonio flight tickets
Spirit Airlines
Mar 2
IND9:28 amIndianapolis
15h 31m
1 stop
SAT11:59 pmSan Antonio
Mar 4
SAT10:26 amSan Antonio
26h 51m
3 stops
IND2:17 pmIndianapolis
$252
Spirit Airlines
Mar 2
IND9:28 amIndianapolis
15h 31m
1 stop
SAT11:59 pmSan Antonio
Mar 4
SAT6:00 amSan Antonio
7h 17m
1 stop
IND2:17 pmIndianapolis
$253
Spirit Airlines
Mar 6
IND6:00 amIndianapolis
18h 59m
2 stops
SAT11:59 pmSan Antonio
Mar 10
SAT6:00 amSan Antonio
7h 17m
1 stop
IND2:17 pmIndianapolis
$259

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 February 16, 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

IndianapolisSan Antonio

IND - SAT

INDSAT

Indianapolis

Sun 5/3

8:33 pm-2:19 pm

1 stop18h 46m

San Antonio

Thu 5/7

3:14 pm-7:42 pm

1 stop27h 28m

$171

IndianapolisSan Antonio

IND - SAT

INDSAT

Indianapolis

Mon 3/23

8:38 pm-12:17 am

1 stop28h 39m

San Antonio

Wed 3/25

6:45 am-7:38 pm

1 stop11h 53m

$189

IndianapolisSan Antonio

IND - SAT

INDSAT

Indianapolis

Thu 4/23

8:33 pm-2:19 pm

1 stop18h 46m

San Antonio

Mon 4/27

10:23 am-11:11 am

1 stop23h 48m

$192

IndianapolisSan Antonio

IND - SAT

INDSAT

Indianapolis

Mon 3/9

8:52 pm-12:17 am

1 stop28h 25m

San Antonio

Wed 3/11

6:45 am-7:38 pm

1 stop11h 53m

$200

IndianapolisSan Antonio

IND - SAT

INDSAT

Indianapolis

Fri 3/6

5:15 pm-8:08 pm

1 stop27h 53m

San Antonio

Tue 3/10

2:13 pm-9:21 am

1 stop18h 08m

$205

IndianapolisSan Antonio

IND - SAT

INDSAT

Indianapolis

Tue 3/24

8:33 pm-12:17 am

1 stop28h 44m

San Antonio

Fri 3/27

6:45 am-7:38 pm

1 stop11h 53m

$206

IndianapolisSan Antonio

IND - SAT

INDSAT

Indianapolis

Sat 3/7

8:33 pm-11:17 pm

1 stop27h 44m

San Antonio

Wed 3/11

6:45 am-7:38 pm

1 stop11h 53m

$211

IndianapolisSan Antonio

IND - SAT

INDSAT

Indianapolis

Thu 4/23

8:33 pm-2:19 pm

1 stop18h 46m

San Antonio

Sun 4/26

12:46 pm-12:57 pm

1 stop23h 11m

$213

IndianapolisSan Antonio

IND - SAT

INDSAT

Indianapolis

Mon 3/16

8:38 pm-12:17 am

1 stop28h 39m

San Antonio

Mon 3/23

11:35 am-12:54 pm

1 stop24h 19m

$218

IndianapolisSan Antonio

IND - SAT

INDSAT

Indianapolis

Thu 3/5

3:12 pm-11:59 pm

1 stop9h 47m

San Antonio

Tue 3/10

2:13 pm-9:21 am

1 stop18h 08m

$223

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 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 $354 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 February 2026, prices for Indianapolis to San Antonio flights are approximately 42% 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

6h 19m

Direct flights

None
The fastest flight from Indianapolis to San Antonio takes 6h 19m
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. 6h 19m 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
8,456 reviews
Search Spirit Airlines flights
FrontierPriceFrom $157Free CancellationRating
5.7
3,047 reviews
Search Frontier flights
SouthwestPriceFrom $206Free CancellationRating
8.0
4,285 reviews
Search Southwest flights
DeltaPriceFrom $216Free CancellationRating
7.9
8,204 reviews
Search Delta flights
American AirlinesPriceFrom $228Free CancellationRating
7.2
11,294 reviews
Search American Airlines flights
United AirlinesPriceFrom $292Free CancellationRating
7.4
9,299 reviews
Search United Airlines flights

  • Southwest Flights From Indianapolis to San Antonio

    Southwest operates around 3 flights from Indianapolis to San Antonio every week. The average price of these flights found in the last 72 hours has been $371, but momondo users have found Southwest deals from Indianapolis to San Antonio from as low as $206 round-trip. Southwest has been scored 8.0/10 in 4,285 reviews.

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.

An easier way to manage your San Antonio trip

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