Are direct flights from Indianapolis to San Antonio always the best option?

Direct flights offer convenience and save time, but they are not always the cheapest option. Flights with layovers can sometimes be more affordable, especially if you are flexible with your travel itinerary. Consider your priorities for cost versus travel time when making your choice.

Can flexible travel dates help on Indianapolis to San Antonio flights?

Yes, being flexible with your travel dates can often lead to finding cheaper flights. Prices can vary significantly between different days of the week or even different weeks. Adjusting your departure or return by a day or two may reveal more economical options.

What extra costs should I check before booking Indianapolis to San Antonio flights?

Before booking, always check for potential extra costs such as baggage fees, seat selection charges, and in-flight services. Some airlines may also charge for printing boarding passes at the airport. Being aware of these additional fees can help you calculate the true cost of your trip.

Flights From Indianapolis

To San Antonio

Cheap Flights from Indianapolis to San Antonio

Browse current best options from Indianapolis. Become a member to unlock all deals and get alerts when new deals appear.

Deals from

Indianapolis

RatePunk searches hundreds of travel sites at once for deals on flights to San Antonio

Prices updated today

462 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Sep 15, 2026.)

Today’s best flight deals from Indianapolis to San Antonio

Explore current cheapest deals departing from Indianapolis to San Antonio

2026-10-19 – 2026-11-17
IND - San Antonio
43% AI deal score
$212
$251
Round trip
2026-10-19 – 2026-11-03
IND - San Antonio
44% AI deal score
$216
$251
Round trip
2026-10-19 – 2026-10-27
IND - San Antonio
44% AI deal score
$238
$252
Round trip
2026-10-19 – 2026-11-10
IND - San Antonio
43% AI deal score
$212
$252
Round trip
2026-10-08 – 2026-10-12
IND - San Antonio
46% AI deal score
$264
$256
Round trip
2026-10-05 – 2026-11-03
IND - San Antonio
43% AI deal score
$212
$256
Round trip
2026-10-05 – 2026-10-20
IND - San Antonio
43% AI deal score
$217
$257
Round trip
2026-10-05 – 2026-10-27
IND - San Antonio
43% AI deal score
$212
$258
Round trip
2026-10-19 – 2026-10-30
IND - San Antonio
43% AI deal score
$224
$262
Round trip
2026-11-04 – 2026-11-07
IND - San Antonio
44% AI deal score
$253
$268
Round trip

Indianapolis to San Antonio: Overview

Insights for flights from Indianapolis to San Antonio

Right now, the cheapest flights from Indianapolis to San Antonio are priced above the typical level. Fares for this route typically range from $415 to $1228, with a median price of $647. Currently, 0% of recent fares have been classified as a good price, indicating that finding a low fare may require some flexibility.

When considering when is the cheapest time to fly from Indianapolis to San Antonio, you'll find that January stands out with a median fare of $245. Other cost-effective months include November, with a median fare of $333, and October, where the median fare is $358. Planning your trip during these months could lead to significant savings.

A typical journey from Indianapolis to San Antonio takes approximately 9h 19m, including connections. Given that most itineraries connect at least once, this duration reflects the time spent in transit and during layovers. Most itineraries for this route connect at least once, with a median of 2 stopovers when connecting, as 0% of recent fares have been for direct flights from Indianapolis to San Antonio.

The route from Indianapolis to San Antonio covers a distance of 1586 kilometers. This classifies it as a medium-haul journey, which typically involves a flight duration of a few hours and often includes at least one stopover.

How much is a round trip from Indianapolis to San Antonio

Regular price: $199 - $402

Prices are currently within the regular range.

The regular price range for flights from Indianapolis to San Antonio is $199 to $402. The current lowest deal is $251 with Frontier Airlines for travel from Oct 19-Oct 27.

now $251

Low $199

High $402

The cheapest time to fly from Indianapolis to San Antonio

The cheapest month to fly from Indianapolis to San Antonio is January, with a median price of $245. The most expensive month is July, with a median price of $693. Prices are generally lower from January to December.

January

Cheapest

Flights from $245

July

Most Expensive

Flights from $693

Jan

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from Indianapolis to San Antonio

Frontier Airlines

United Airlines

Breeze Airways

Deutsche Luft Hansa

Last-minute flights going from Indianapolis to San Antonio

Tue, Sep 15

⌛ Last-Minute

IND - San Antonio

Indianapolis (IND) - San Antonio (SAT)

United Airlines

$490

$575

One-way

Tue, Sep 15

⌛ Last-Minute

IND - San Antonio

Indianapolis (IND) - San Antonio (SAT)

United Airlines

$478

$575

One-way

Wed, Sep 16

⌛ Last-Minute

IND - San Antonio

Indianapolis (IND) - San Antonio (SAT)

Frontier Airlines

$469

$360

One-way

Wed, Sep 16

⌛ Last-Minute

IND - San Antonio

Indianapolis (IND) - San Antonio (SAT)

Frontier Airlines

$459

$381

One-way

Fri, Sep 18

⌛ Last-Minute

IND - San Antonio

Indianapolis (IND) - San Antonio (SAT)

Frontier Airlines

$469

$350

One-way

Fri, Sep 18

⌛ Last-Minute

IND - San Antonio

Indianapolis (IND) - San Antonio (SAT)

Frontier Airlines

$334

$361

One-way

Biggest price drops on these dates for flights from Indianapolis to San Antonio

2 nights

Sep 18 - Sep 20

$469 → $348

26%

4 nights

Sep 16 - Sep 20

$478 → $379

21%

3 nights

Sep 18 - Sep 21

$462 → $379

18%

4 nights

Oct 8 - Oct 12

$264 → $256

Popular Airports to fly from Indianapolis to San Antonio

Indianapolis - San Antonio route insights

💸 Price insights

Recent fares are above the typical level

Recent fares from Indianapolis to San Antonio are above the typical level at $251.

📅 Best time to fly

January offers the lowest median prices

Historically, January is the cheapest month to fly, with a median price of $245.

⏱️ Flight duration

The median flight time is 9h 19m

Flights from Indianapolis to San Antonio typically take 9 hours and 19 minutes.

✈️ Airlines & availability

Connecting flights are dominant on this route

This route primarily features connecting flights, with a median of 2 stopovers.

🏆 Airline highlight

Frontier Airlines has frequent deals

Frontier Airlines offers frequent deals, with 60 direct flight options recently.

🎯 Booking tip

Deals are frequent on this route

Deals for flights from Indianapolis to San Antonio are frequently available.

Indianapolis main airports to depart from

Indianapolis International (IND)

Cheapest

Indianapolis International Airport (IND) is a convenient option for flights from Indianapolis to San Antonio.

📍 ~13 km from city center (reachable by car)

💸 Flights from ~$272

San Antonio main airports to arrive at

San Antonio International (SAT)

Cheapest

San Antonio International Airport is a convenient arrival point for flights to San Antonio.

📍 ~12 km from city center (reachable by car)

💸 Flights from ~$251

Airports nearby San Antonio used as alternative

Austin–Bergstrom International (AUS)

Cheapest

Austin–Bergstrom International is a major international hub with an extensive flight network.

📍 ~120 km from San Antonio (reachable by car, but expect heavy traffic).

💸 Flights from ~$158

Business & First Class Flight Deals to San Antonio

$828

Save $630

United Airlines

Business Class

Frequently Asked Questions About Flights to San Antonio

To find more affordable flights, consider being flexible with your travel dates and times. Using flight comparison sites can help you see various options and identify potential savings. Often, booking in advance or looking at flights during off-peak seasons may lead to better deals.

Booking flights usually several weeks or months in advance can often result in lower prices. Prices may fluctuate, so monitoring fares over time can help you identify a good booking window. Weekday bookings may also sometimes offer better rates than weekend bookings.

Comparing nearby airports can sometimes uncover more affordable flight options or different schedules. While it may add to travel time, the potential savings could be significant. Always factor in ground transportation costs and time when considering alternative airports.

Related routes

More routes from Indianapolis

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Flights to San Antonio from other cities

Flights from Istanbul to San Antonio Flights from Kansas City to San Antonio Flights from Las Vegas to San Antonio Flights from Los Angeles to San Antonio Flights from Miami to San Antonio Flights from New Orleans to San Antonio Flights from New York to San Antonio Flights from Orlando to San Antonio Flights from Philadelphia to San Antonio Flights from Phoenix to San Antonio Flights from Pittsburgh to San Antonio Flights from Reykjavik to San Antonio

Indianapolis to San Antonio: Overview

Insights for flights from Indianapolis to San Antonio

How much is a round trip from Indianapolis to San Antonio

Regular price: $199 - $402

Prices are currently within the regular range.

The regular price range for flights from Indianapolis to San Antonio is $199 to $402. The current lowest deal is $251 with Frontier Airlines for travel from Oct 19-Oct 27.

now $251

Low $199

High $402

The cheapest time to fly from Indianapolis to San Antonio

January

Cheapest

Flights from $245

July

Most Expensive

Flights from $693

Jan

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from Indianapolis to San Antonio

Frontier Airlines

United Airlines

Breeze Airways

Deutsche Luft Hansa

Last-minute flights going from Indianapolis to San Antonio

Tue, Sep 15

⌛ Last-Minute

IND - San Antonio

Indianapolis (IND) - San Antonio (SAT)

United Airlines

$490

$575

One-way

Tue, Sep 15

⌛ Last-Minute

IND - San Antonio

Indianapolis (IND) - San Antonio (SAT)

United Airlines

$478

$575

One-way

Wed, Sep 16

⌛ Last-Minute

IND - San Antonio

Indianapolis (IND) - San Antonio (SAT)

Frontier Airlines

$469

$360

One-way

Wed, Sep 16

⌛ Last-Minute

IND - San Antonio

Indianapolis (IND) - San Antonio (SAT)

Frontier Airlines

$459

$381

One-way

Fri, Sep 18

⌛ Last-Minute

IND - San Antonio

Indianapolis (IND) - San Antonio (SAT)

Frontier Airlines

$469

$350

One-way

Fri, Sep 18

⌛ Last-Minute

IND - San Antonio

Indianapolis (IND) - San Antonio (SAT)

Frontier Airlines

$334

$361

One-way

Biggest price drops on these dates for flights from Indianapolis to San Antonio

2 nights

Sep 18 - Sep 20

$469 → $348

26%

4 nights

Sep 16 - Sep 20

$478 → $379

21%

3 nights

Sep 18 - Sep 21

$462 → $379

18%

4 nights

Oct 8 - Oct 12

$264 → $256

Popular Airports to fly from Indianapolis to San Antonio