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$79+ Cheap flights from Indianapolis to San Antonio (IND - SAT)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/6. Fares are subject to change and may not be available on all flights or dates of travel.
IND — SAT
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheapflights Tip: The best prices from Indianapolis to San Antonio are usually found in August or May, booked 25 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

Cheap flight deals from Indianapolis to San Antonio

Discover tips and strategies to find the most affordable flight options for your journey from Indianapolis (IND) to San Antonio (SAT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 17, 2025.

Round-trip from

$170
(Booking.com)

One-way from

$79
(Frontier)

Popular in

November

Cheapest in

August

Average price

$366
From Indianapolis to San Antonio
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One-way flight from Indianapolis to San Antonio
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Highest demand for flights based on searches. 6% potential increase in price ($26 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Indianapolis to San Antonio

Cheapest flights from Indianapolis to San Antonio
Explore the most affordable flight options available from Indianapolis to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

This Booking.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2011:31 amIND - SAT
1 stop6h 19mFrontier
Tue 10/213:59 pmSAT - IND
1 stop23h 30mFrontier
Deal found 9/16$170
This Priceline deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/312:06 pmIND - SAT
1 stop5h 29mFrontier
Sun 10/59:55 amSAT - IND
1 stop9h 09mFrontier
Deal found 9/15$183
This Expedia deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2711:32 amIND - SAT
1 stop6h 18mMultiple Airlines
Fri 10/317:35 pmSAT - IND
1 stop13h 13mMultiple Airlines
Deal found 9/15$188
This Booking.com deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/258:54 pmIND - SAT
1 stop15h 52mFrontier
Sun 9/288:20 pmSAT - IND
1 stop22h 44mFrontier
Deal found 9/17$198
This Kiwi.com deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/311:24 amIND - SAT
1 stop6h 16mMultiple Airlines
Wed 11/54:16 pmSAT - IND
1 stop29h 40mMultiple Airlines
Deal found 9/17$200
This Priceline deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2011:31 amIND - SAT
1 stop6h 19mMultiple Airlines
Mon 10/277:00 amSAT - IND
1 stop9h 25mMultiple Airlines
Deal found 9/15$203
This Mytrip deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/2610:06 pmIND - SAT
1 stop21h 09mFrontier
Sat 11/16:05 pmSAT - IND
1 stop14h 39mFrontier
Deal found 9/16$204
This Booking.com deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1910:06 pmIND - SAT
1 stop21h 09mFrontier
Wed 10/223:59 pmSAT - IND
1 stop26h 25mFrontier
Deal found 9/17$206
This Cheapflightsfares deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/275:30 amIND - SAT
1 stop11h 20mSpirit Airlines
Fri 10/317:35 pmSAT - IND
1 stop13h 13mSpirit Airlines
Deal found 9/14$217
This Kiwi.com deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/56:35 amIND - SAT
1 stop9h 36mSpirit Airlines
Sun 11/94:16 pmSAT - IND
1 stop29h 40mSpirit Airlines
Deal found 9/17$219
This Cheapflightsfares deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/66:35 amIND - SAT
1 stop9h 36mSpirit Airlines
Thu 11/136:00 amSAT - IND
1 stop6h 02mSpirit Airlines
Deal found 9/15$227

Cheapflights 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, Cheapflights users made 2,558,603 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

Indianapolis

Fly to

San Antonio

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

Mon 10/27

5:30 am-3:50 pm

1 stop11h 20m

San Antonio

Fri 10/31

7:35 pm-9:48 am

1 stop13h 13m

$217

IndianapolisSan Antonio

IND - SAT

INDSAT

Indianapolis

Thu 11/6

6:35 am-3:11 pm

1 stop9h 36m

San Antonio

Thu 11/13

6:00 am-1:02 pm

1 stop6h 02m

$227

IndianapolisSan Antonio

IND - SAT

INDSAT

Indianapolis

Thu 10/23

5:30 am-3:50 pm

1 stop11h 20m

San Antonio

Mon 10/27

7:00 am-5:25 pm

1 stop9h 25m

$238

IndianapolisSan Antonio

IND - SAT

INDSAT

Indianapolis

Fri 11/7

8:39 pm-2:17 pm

1 stop18h 38m

San Antonio

Tue 11/11

4:16 pm-10:56 pm

1 stop29h 40m

$240

IndianapolisSan Antonio

IND - SAT

INDSAT

Indianapolis

Mon 10/27

3:34 pm-11:40 pm

2 stops33h 06m

San Antonio

Fri 10/31

7:35 pm-9:48 am

1 stop13h 13m

$257

IndianapolisSan Antonio

IND - SAT

INDSAT

Indianapolis

Thu 10/16

8:16 pm-6:30 pm

1 stop23h 14m

San Antonio

Mon 10/20

4:55 pm-9:20 am

1 stop15h 25m

$257

IndianapolisSan Antonio

IND - SAT

INDSAT

Indianapolis

Wed 10/15

5:15 am-3:50 pm

2 stops35h 35m

San Antonio

Sun 10/19

5:47 pm-10:36 am

1 stop15h 49m

$277

IndianapolisSan Antonio

IND - SAT

INDSAT

Indianapolis

Wed 12/10

6:35 am-3:11 pm

1 stop9h 36m

San Antonio

Sat 12/13

6:33 pm-4:02 pm

1 stop20h 29m

$279

IndianapolisSan Antonio

IND - SAT

INDSAT

Indianapolis

Thu 10/16

6:00 am-6:30 pm

1 stop13h 30m

San Antonio

Sun 10/19

5:47 pm-10:36 am

1 stop15h 49m

$280

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 22 results
1
2
3

Best time to book a flight from Indianapolis to San Antonio

Have a flexible travel schedule? Discover the best time to fly to San Antonio from Indianapolis with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Indianapolis to San Antonio

How far ahead should I book a flight from Indianapolis to San Antonio?

Use this chart to determine the optimal time to book a round-trip flight from Indianapolis to San Antonio. Price data was last updated on September 12, 2025.

To ensure you get the cheapest price possible for a flight from Indianapolis to San Antonio, you should look to book at least 25 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Indianapolis to San Antonio?

Currently, August is the cheapest month in which you can book a flight from Indianapolis to San Antonio (average of $295). Flying from Indianapolis to San Antonio in March is currently the most expensive (average of $376). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from IND to SAT?

Find hourly flight availability from Indianapolis to San Antonio. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 17, 2025.

One of the essential ways to save on airfare from Indianapolis to San Antonio is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight at noon could potentially save you up to 7% on airfare.

What is the cheapest day to fly from Indianapolis to San Antonio?

Use this chart to determine the cheapest time to fly round-trip from Indianapolis to San Antonio. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Indianapolis to San Antonio flight should consider departing on Tuesday evenings when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing San Antonio

Get insights into the airlines that provide service to San Antonio. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Antonio. Reviews last updated September 17, 2025.
Get a feel of what it's like to fly with Southwest, Delta, and United Airlines from Indianapolis to San Antonio by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,242 reviews

Overall

8.0

Boarding

8.1

Crew

8.6

Comfort

8.0

Food

7.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,242 reviews
Southwest
8.0
Very good
4,242 reviews

Overall

8.0

Boarding

8.1

Crew

8.6

Comfort

8.0

Food

7.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
8.0
Very good
7,961 reviews
Southwest
8.0
Very good
4,242 reviews

Overall

8.0

Boarding

8.1

Crew

8.6

Comfort

8.0

Food

7.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
8,926 reviews
Southwest
8.0
Very good
4,242 reviews

Overall

8.0

Boarding

8.1

Crew

8.6

Comfort

8.0

Food

7.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,242 reviews

Overall

8.0

Boarding

8.1

Crew

8.6

Comfort

8.0

Food

7.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Spirit Airlines
6.3
Okay
8,023 reviews
Southwest
8.0
Very good
4,242 reviews

Overall

8.0

Boarding

8.1

Crew

8.6

Comfort

8.0

Food

7.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

Find useful and relevant information for your journey from Indianapolis to San Antonio. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Indianapolis to San Antonio?

    Frontier and Spirit Airlines can get you from Indianapolis to San Antonio in just under 6h 19m. Your travel time can differ by up to 5h 01m. Airlines will cover a distance of 984 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Indianapolis to San Antonio round-trip?

    Our cheapest airline available from Indianapolis to San Antonio is Spirit Airlines. Our recent data shows that you can find tickets from as low as $144 on this airline. Additional options worth looking into are Frontier and Southwest, starting at $193 and $215 round-trip. Spirit Airlines is priced at 61% lower than the current average price of a flight leaving 3 months from now.

  • Can I find deals for flights from Indianapolis to San Antonio that include hotel bookings?

    Yes. In addition to deals on Indianapolis to San Antonio flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Indianapolis to San Antonio?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Indianapolis to San Antonio.

  • Can I find deals for business class flights from Indianapolis to San Antonio?

    Yes. Cheapflights offers flight deals from Indianapolis to San Antonio by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Indianapolis to San Antonio?

    Currently, August is the cheapest month in which you can book a flight from Indianapolis to San Antonio (average of $295). Flying from Indianapolis to San Antonio in March is currently the most expensive (average of $376). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near San Antonio?

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

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Alternative routes for Indianapolis to San Antonio

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Indianapolis to San Antonio

Discover the top 6 airlines that operate flights from Indianapolis to San Antonio. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$144Average$261FlexibilityNo cancel feeOn-time65%
FrontierCheapest$193Average$230FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$215Average$389FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$234Average$386FlexibilityNo cancel feeOn-time71%
DeltaCheapest$236Average$362FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$306Average$403FlexibilityNo cancel feeOn-time69%

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