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Cheap flights from Indianapolis 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 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
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
8:27 pm - 12:19 am
IND
-
SAT
28h 52m
1 stop
Frontier Logo
6:30 pm - 7:38 am
SAT
-
IND
12h 08m
1 stop
$151Frontier
Sat, Apr 11 - Sat, Apr 18
Frontier Logo
12:18 pm - 5:05 pm
IND
-
SAT
5h 47m
1 stop
Frontier Logo
3:00 pm - 8:00 pm
SAT
-
IND
28h 00m
1 stop
$171Frontier
Fri, Apr 10 - Thu, Apr 16
Frontier Logo
7:36 pm - 9:24 am
IND
-
SAT
14h 48m
1 stop
Frontier Logo
3:00 pm - 8:00 pm
SAT
-
IND
28h 00m
1 stop
$191Frontier
Thu, Apr 16 - Thu, Apr 23
Frontier Logo
8:46 pm - 3:09 pm
IND
-
SAT
19h 23m
1 stop
Frontier Logo
12:46 pm - 12:57 pm
SAT
-
IND
23h 11m
1 stop
$192Frontier
Fri, Apr 17 - Sun, Apr 19
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
$212Frontier
Fri, Apr 24 - Sun, Apr 26
Frontier Logo
10:44 am - 5:35 pm
IND
-
SAT
7h 51m
1 stop
Frontier Logo
4:04 pm - 7:56 pm
SAT
-
IND
26h 52m
1 stop
$216Frontier
Sat, Apr 18 - Sat, Apr 25
Frontier Logo
8:46 pm - 2:15 pm
IND
-
SAT
18h 29m
1 stop
Frontier Logo
12:50 pm - 12:57 pm
SAT
-
IND
23h 07m
1 stop
$233Frontier
Sun, Apr 19 - Sun, Apr 26
Frontier Logo
10:44 am - 5:35 pm
IND
-
SAT
7h 51m
1 stop
Frontier Logo
4:04 pm - 11:11 am
SAT
-
IND
18h 07m
2 stops
$249Frontier
Sat, Apr 18 - Tue, Apr 21
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
$257Frontier
Fri, May 29 - Sun, May 31
Multiple Airlines Logo
8:00 am - 1:17 pm
IND
-
SAT
6h 17m
1 stop
Multiple Airlines Logo
12:50 pm - 12:57 pm
SAT
-
IND
23h 07m
1 stop
$267Multiple Airlines
Wed, Apr 22 - Sun, Apr 26

Southwest flights from Indianapolis to San Antonio

Our best Southwest deals on Indianapolis to San Antonio flight tickets
Southwest
Apr 18
IND5:45 amIndianapolis
6h 25m
1 stop
SAT11:10 amSan Antonio
Apr 21
SAT4:25 pmSan Antonio
4h 00m
1 stop
IND9:25 pmIndianapolis
$331
Southwest
Apr 14
IND8:15 amIndianapolis
10h 55m
2 stops
SAT6:10 pmSan Antonio
Apr 21
SAT6:20 amSan Antonio
9h 15m
2 stops
IND4:35 pmIndianapolis
$345
Southwest
May 9
IND6:35 amIndianapolis
6h 10m
2 stops
SAT11:45 amSan Antonio
May 11
SAT3:05 pmSan Antonio
6h 40m
1 stop
IND10:45 pmIndianapolis
$356

Frontier flights from Indianapolis to San Antonio

Our best Frontier deals on Indianapolis to San Antonio flight tickets
Frontier
Apr 11
IND8:27 pmIndianapolis
28h 52m
1 stop
SAT12:19 amSan Antonio
Apr 18
SAT6:30 pmSan Antonio
12h 08m
1 stop
IND7:38 amIndianapolis
$151
Frontier
Apr 10
IND12:18 pmIndianapolis
5h 47m
1 stop
SAT5:05 pmSan Antonio
Apr 16
SAT3:00 pmSan Antonio
28h 00m
1 stop
IND8:00 pmIndianapolis
$171
Frontier
Apr 16
IND7:36 pmIndianapolis
14h 48m
1 stop
SAT9:24 amSan Antonio
Apr 23
SAT3:00 pmSan Antonio
28h 00m
1 stop
IND8:00 pmIndianapolis
$191

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 March 22, 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

Sat 4/11

8:27 pm-12:19 am

1 stop28h 52m

San Antonio

Sat 4/18

6:30 pm-7:38 am

1 stop12h 08m

$151

IndianapolisSan Antonio

IND - SAT

INDSAT

Indianapolis

Fri 4/10

12:18 pm-5:05 pm

1 stop5h 47m

San Antonio

Thu 4/16

3:00 pm-8:00 pm

1 stop28h 00m

$171

IndianapolisSan Antonio

IND - SAT

INDSAT

Indianapolis

Thu 4/16

7:36 pm-9:24 am

1 stop14h 48m

San Antonio

Thu 4/23

3:00 pm-8:00 pm

1 stop28h 00m

$191

IndianapolisSan Antonio

IND - SAT

INDSAT

Indianapolis

Fri 4/17

8:46 pm-3:09 pm

1 stop19h 23m

San Antonio

Sun 4/19

12:46 pm-12:57 pm

1 stop23h 11m

$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

$212

IndianapolisSan Antonio

IND - SAT

INDSAT

Indianapolis

Sat 4/18

10:44 am-5:35 pm

1 stop7h 51m

San Antonio

Sat 4/25

4:04 pm-7:56 pm

1 stop26h 52m

$216

IndianapolisSan Antonio

IND - SAT

INDSAT

Indianapolis

Sun 4/19

8:46 pm-2:15 pm

1 stop18h 29m

San Antonio

Sun 4/26

12:50 pm-12:57 pm

1 stop23h 07m

$233
Quickest round-trip

IndianapolisSan Antonio

IND - SAT

INDSAT

Indianapolis

Sat 4/18

10:44 am-5:35 pm

1 stop7h 51m

San Antonio

Tue 4/21

4:04 pm-11:11 am

2 stops18h 07m

$249

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

$257

IndianapolisSan Antonio

IND - SAT

INDSAT

Indianapolis

Wed 4/22

8:00 am-1:17 pm

1 stop6h 17m

San Antonio

Sun 4/26

12:50 pm-12:57 pm

1 stop23h 07m

$267

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 $357 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 March 2026, prices for Indianapolis to San Antonio flights are approximately 137% 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 25m

Direct flights

None
The fastest flight from Indianapolis to San Antonio takes 4h 25m
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 25m 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
3,019 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $179Free CancellationRating
6.3
8,532 reviews
Search Spirit Airlines flights
SouthwestPriceFrom $206Free CancellationRating
8.0
4,324 reviews
Search Southwest flights
DeltaPriceFrom $216Free CancellationRating
7.9
8,314 reviews
Search Delta flights
American AirlinesPriceFrom $228Free CancellationRating
7.1
11,486 reviews
Search American Airlines flights
United AirlinesPriceFrom $292Free CancellationRating
7.4
9,455 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.

An easier way to manage your San Antonio trip

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