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$80+ 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 4/18. Fares are subject to change and may not be available on all flights or dates of travel.
IND — SAT
Feb 25 — Mar 41
Wed 2/25
Wed 3/4
1 adult, Economy
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Cheap 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 January 26, 2026.

This CheapOair deal was found by Cheapflights users on 1/24. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/198:52 pm
IND
-
SAT
1 stop23h 45m
Frontier
Thu 2/268:20 pm
SAT
-
IND
1 stop22h 27m
Frontier
Deal found 1/24$171
This Kiwi.com deal was found by Cheapflights users on 1/25. 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.
Thu 2/512:38 pm
IND
-
SAT
1 stop29h 25m
Frontier
Sun 2/86:13 pm
SAT
-
IND
1 stop16h 30m
Frontier
Deal found 1/25$174
This Expedia deal was found by Cheapflights users on 1/25. 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.
Tue 2/243:12 pm
IND
-
SAT
1 stop9h 47m
Spirit Airlines
Sat 2/286:00 am
SAT
-
IND
1 stop7h 17m
Spirit Airlines
Deal found 1/25$182
This Kiwi.com deal was found by Cheapflights users on 1/25. 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.
Thu 2/267:27 pm
IND
-
SAT
1 stop21h 48m
Multiple Airlines
Mon 3/25:08 pm
SAT
-
IND
2 stops29h 17m
Multiple Airlines
Deal found 1/25$186
This CheapOair deal was found by Cheapflights users on 1/25. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/208:47 pm
IND
-
SAT
1 stop23h 14m
Frontier
Wed 2/256:12 pm
SAT
-
IND
1 stop24h 45m
Frontier
Deal found 1/25$190
This CheapOair deal was found by Cheapflights users on 1/24. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/54:30 pm
IND
-
SAT
1 stop28h 03m
Frontier
Thu 2/121:57 pm
SAT
-
IND
1 stop26h 28m
Frontier
Deal found 1/24$192
This Kiwi.com deal was found by Cheapflights users on 1/25. 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.
Sun 2/812:38 pm
IND
-
SAT
1 stop29h 25m
Multiple Airlines
Mon 2/235:04 pm
SAT
-
IND
2 stops53h 21m
Multiple Airlines
Deal found 1/25$207
This CheapOair deal was found by Cheapflights users on 1/24. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/54:30 pm
IND
-
SAT
1 stop28h 03m
Frontier
Wed 2/115:12 pm
SAT
-
IND
1 stop25h 55m
Frontier
Deal found 1/24$213
This CheapOair deal was found by Cheapflights users on 1/25. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/148:58 pm
IND
-
SAT
1 stop23h 31m
Multiple Airlines
Fri 2/206:00 am
SAT
-
IND
1 stop7h 17m
Multiple Airlines
Deal found 1/25$222

Find 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 January 26, 2026.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$171
(CheapOair)

One-way from

$80
(Frontier)

Popular in

April

Cheapest in

August

Average price

$378
Provider with most accurate pricing for Indianapolis-San Antonio flight deals.
Search Deals
Provider most trusted by Cheapflights users for Indianapolis-San Antonio flights.
Search Deals
From Indianapolis to San Antonio
Search Deals
One-way flight from Indianapolis to San Antonio
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($41 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 January 26, 2026.
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

Thu 2/5

4:30 pm-7:33 pm

1 stop28h 03m

San Antonio

Thu 2/12

1:57 pm-5:25 pm

1 stop26h 28m

$192

IndianapolisSan Antonio

IND - SAT

INDSAT

Indianapolis

Sat 2/14

8:58 pm-7:29 pm

1 stop23h 31m

San Antonio

Fri 2/20

6:00 am-2:17 pm

1 stop7h 17m

$222

IndianapolisSan Antonio

IND - SAT

INDSAT

Indianapolis

Thu 2/5

12:38 pm-5:03 pm

1 stop29h 25m

San Antonio

Thu 2/12

10:26 am-6:31 pm

2 stops31h 05m

$226

IndianapolisSan Antonio

IND - SAT

INDSAT

Indianapolis

Thu 2/5

2:12 pm-5:03 pm

2 stops27h 51m

San Antonio

Sun 2/8

6:13 pm-11:43 am

1 stop16h 30m

$233

IndianapolisSan Antonio

IND - SAT

INDSAT

Indianapolis

Thu 2/5

12:38 pm-5:03 pm

1 stop29h 25m

San Antonio

Wed 2/11

5:12 pm-6:31 pm

2 stops24h 19m

$239

IndianapolisSan Antonio

IND - SAT

INDSAT

Indianapolis

Fri 3/20

8:33 pm-9:06 am

1 stop13h 33m

San Antonio

Wed 3/25

6:45 am-7:38 pm

1 stop11h 53m

$266

IndianapolisSan Antonio

IND - SAT

INDSAT

Indianapolis

Fri 2/13

7:41 pm-9:30 am

2 stops38h 49m

San Antonio

Tue 2/17

10:26 am-10:48 pm

1 stop11h 22m

$269

IndianapolisSan Antonio

IND - SAT

INDSAT

Indianapolis

Wed 3/4

1:23 pm-11:59 pm

1 stop11h 36m

San Antonio

Thu 3/5

8:25 pm-9:21 am

2 stops11h 56m

$272

IndianapolisSan Antonio

IND - SAT

INDSAT

Indianapolis

Fri 2/13

5:45 am-9:30 am

1 stop28h 45m

San Antonio

Mon 2/16

6:00 am-8:32 am

1 stop25h 32m

$291

IndianapolisSan Antonio

IND - SAT

INDSAT

Indianapolis

Fri 2/13

7:41 pm-1:12 pm

2 stops18h 31m

San Antonio

Mon 2/16

6:00 am-8:32 am

1 stop25h 32m

$313

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/23

Showing 1-10 of 17 results
1
2

Compare providers for flights from Indianapolis to San Antonio

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Indianapolis to San Antonio in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
CheapfaremartPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Indianapolis-San Antonio flights, users find the pricing of Justfly.com to be most consistent on Cheapflights vs. Justfly.com Users can find the same prices on Indianapolis-San Antonio flight deals on Cheapflights vs. Justfly.com >95% of the time. Price accuracy is based on data collected from Indianapolis-San Antonio flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Indianapolis-San Antonio flights, Cheapflights users trust Justfly.com the most. Justfly.com has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Indianapolis-San Antonio flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 January 23, 2026.

To ensure you get the cheapest price possible for a flight from Indianapolis to San Antonio, you should look to book at least 53 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, October is the cheapest month in which you can book a flight from Indianapolis to San Antonio (average of $60). Flying from Indianapolis to San Antonio in March is currently the most expensive (average of $106). 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.

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 January 26, 2026.
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
4,268 reviews

Comfort

8.0

Food

7.0

Boarding

8.1

Crew

8.6

Overall

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
8.0
Very good
4,268 reviews
Southwest
8.0
Very good
4,268 reviews

Comfort

8.0

Food

7.0

Boarding

8.1

Crew

8.6

Overall

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Delta
7.9
Good
8,111 reviews
Southwest
8.0
Very good
4,268 reviews

Comfort

8.0

Food

7.0

Boarding

8.1

Crew

8.6

Overall

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
United Airlines
7.4
Good
9,199 reviews
Southwest
8.0
Very good
4,268 reviews

Comfort

8.0

Food

7.0

Boarding

8.1

Crew

8.6

Overall

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
American Airlines
7.2
Good
11,189 reviews
Southwest
8.0
Very good
4,268 reviews

Comfort

8.0

Food

7.0

Boarding

8.1

Crew

8.6

Overall

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Spirit Airlines
6.3
Okay
8,379 reviews
Southwest
8.0
Very good
4,268 reviews

Comfort

8.0

Food

7.0

Boarding

8.1

Crew

8.6

Overall

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

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 can get you from Indianapolis to San Antonio in just under 28h 03m. Your travel time can differ by up to . Airlines will cover a distance of 984 mi.

  • 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 $157 and $206 round-trip. Spirit Airlines is priced at 59% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Indianapolis to San Antonio one-way?

    The cheapest airlines for a one-way flight from Indianapolis to San Antonio are Frontier ($82), Spirit Airlines ($86), and Delta ($118).

  • 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, October is the cheapest month in which you can book a flight from Indianapolis to San Antonio (average of $60). Flying from Indianapolis to San Antonio in March is currently the most expensive (average of $106). 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

Browse thousands of different options on Cheapflights for your next trip

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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 January 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$144Average$246FlexibilityNo cancel feeOn-time65%
FrontierCheapest$157Average$230FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$206Average$373FlexibilityNo cancel feeOn-time63%
DeltaCheapest$216Average$331FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$228Average$379FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$292Average$386FlexibilityNo cancel feeOn-time69%

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