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

Direct flights offer convenience by reducing travel time and avoiding layovers. However, they are not always the most budget-friendly choice. Flights with one or more stops can sometimes be considerably cheaper, depending on the route and airline.

Can flexible travel dates help on Sioux Falls to San Antonio flights?

Yes, being flexible with your travel dates can often lead to finding more affordable flights. Prices can vary significantly between different days of the week or even within the same week. Using a flexible date search tool may help you pinpoint the cheapest days to fly.

What extra costs should I check before booking Sioux Falls 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. Understanding these fees beforehand can help you budget accurately.

Flights From Sioux Falls

To San Antonio

Cheap Flights from Sioux Falls to San Antonio

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

Deals from

Sioux Falls

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

Prices updated 5 days ago

402 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Jul 12, 2026.)

Today’s best flight deals from Sioux Falls to San Antonio

Explore current cheapest deals departing from Sioux Falls to San Antonio

Round trip

Sort by: Cheapest

August 5 - August 12

Cheapest

Earliest

FSD - San Antonio

$360

$302

Round trip

August 25 - August 29

Cheapest

FSD - San Antonio

$368

$302

Round trip

August 12 - August 18

Cheapest

Best

FSD - San Antonio

$358

$302

Round trip

September 12 - September 16

Cheapest

FSD - San Antonio

$344

$302

Round trip

September 12 - September 15

Cheapest

FSD - San Antonio

$344

$302

Round trip

October 10 - October 17

Cheapest

FSD - San Antonio

$344

$302

Round trip

August 12 - September 2

FSD - San Antonio

$299

$304

Round trip

August 12 - September 11

FSD - San Antonio

$297

$306

Round trip

August 12 - September 6

FSD - San Antonio

$297

$306

Round trip

August 6 - August 12

Best

FSD - San Antonio

$362

$310

Round trip

Unlock all 500+ flight deals to San Antonio and get alerts when great deals appear

Sioux Falls to San Antonio: Overview

Insights for flights from Sioux Falls to San Antonio

Only 3% of recent fares for flights from Sioux Falls to San Antonio were classified as a good price. Prices for this route typically range from $335–$383, with a median of $383. Right now, current fares are near the typical level for this route. New deals show up several times a week, so setting up a price alert can help you track fluctuations.

When is the cheapest time to fly from Sioux Falls to San Antonio? The data indicates that August and September are the cheapest months to fly, both with a median fare of $325. October also offers competitive pricing, with a median fare of $335. Planning your trip during these months could lead to more affordable travel options.

Most itineraries for flights from Sioux Falls to San Antonio connect at least once, with 0% of recent fares being non-stop. For connecting itineraries, the typical number of stopovers is 2. This means you should anticipate at least one layover on your journey to San Antonio.

A typical journey from Sioux Falls to San Antonio covers a distance of 1570 kilometers. This classifies the route as a medium-haul flight. While specific flight times vary based on connections, the overall distance places it in a category that often involves several hours of travel.

How much is a round trip from Sioux Falls to San Antonio

Regular price: $294 - $462

Prices are currently below the regular range.

The regular price range for flights from Sioux Falls to San Antonio is $294 to $462. The current lowest deal is $250 with Frontier Airlines, for travel from Sep 11-Sep 14.

now $250

Low $294

High $462

The cheapest time to fly from Sioux Falls to San Antonio

The cheapest month to fly from FSD to SAT is September, with a median price of $335. The most expensive month is December, with a median price of $1486. Prices are generally lower from July to October.

September

Cheapest

Flights from $335

December

Most Expensive

Flights from $1,486

May

Jul

Aug

Sep

Oct

Dec

Direct flights from Sioux Falls to San Antonio

Frontier Airlines

United Airlines

Allegiant Air

American Airlines

Last-minute flights going from Sioux Falls to San Antonio

Sun, Jul 12

⌛ Last-Minute

FSD - San Antonio

Sioux Falls (FSD) - San Antonio (SAT)

United Airlines

$416

$509

One-way

Tue, Jul 14

⌛ Last-Minute

FSD - San Antonio

Sioux Falls (FSD) - San Antonio (SAT)

American Airlines

$482

$391

One-way

Wed, Jul 15

⌛ Last-Minute

FSD - San Antonio

Sioux Falls (FSD) - San Antonio (SAT)

American Airlines

$482

$390

One-way

Sun, Jul 19

⌛ Last-Minute

FSD - San Antonio

Sioux Falls (FSD) - San Antonio (SAT)

United Airlines

$447

$779

One-way

Wed, Jul 22

⌛ Last-Minute

FSD - San Antonio

Sioux Falls (FSD) - San Antonio (SAT)

Deutsche Luft Hansa

$467

$368

One-way

Wed, Jul 22

⌛ Last-Minute

FSD - San Antonio

Sioux Falls (FSD) - San Antonio (SAT)

United Airlines

$433

$484

One-way

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

4 nights

Aug 12 - Aug 16

$370 → $239

35%

5 nights

Nov 4 - Nov 9

$387 → $310

20%

3 nights

Nov 5 - Nov 8

$390 → $318

18%

4 nights

Nov 5 - Nov 9

$390 → $318

18%

Popular Airports to fly from Sioux Falls to San Antonio

Sioux Falls - San Antonio route insights

💸 Price insights

Recent fares are near the typical level

Recent fares from Sioux Falls to San Antonio are near the typical level at $383.

📅 Best time to fly

Fly in September for the best prices

Historically, September offers the lowest median price at $335 for this route.

⏱️ Flight duration

Connecting flights are typical for this route

Flights from Sioux Falls to San Antonio typically involve 2 stopovers.

✈️ Airlines & availability

Frontier Airlines offers the most deals

Frontier Airlines has 40 deals, followed by United Airlines with 23 deals.

🏆 Airline highlight

Frontier Airlines has a $250 deal

Frontier Airlines offers a $250 deal from FSD to SAT for September 11-14.

🎯 Booking tip

Deals appear regularly for this route

Deals for flights from Sioux Falls to San Antonio appear regularly.

Sioux Falls main airports to depart from

Sioux Falls Regional (FSD)

Cheapest

Sioux Falls Regional Airport (FSD) is a convenient option for flights from Sioux Falls to San Antonio.

📍 ~4 km from city center (reachable by car)

💸 Flights from ~$250

San Antonio main airports to arrive at

San Antonio International (SAT)

Cheapest

San Antonio International Airport is a convenient arrival choice for flights from Sioux Falls to San Antonio.

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

💸 Flights from ~$303

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, offering many flight options.

📍 ~120 km from San Antonio (reachable by car, but heavy traffic on I-35 can increase travel time).

💸 Flights from ~$261

Corpus Christi International (CRP)

Corpus Christi International is a larger regional airport offering more carrier options than smaller strips.

📍 ~200 km from San Antonio (reachable by car, over 2 hours driving distance).

💸 Flights from ~$408

Laredo International (LRD)

Laredo International provides reliable domestic regional service with direct highway access via I-35 South.

📍 ~240 km from San Antonio (reachable by car).

💸 Flights from ~$366

Killeen–Fort Hood Regional (GRK)

Killeen–Fort Hood Regional is an alternative for travelers on the north side of the San Antonio metro.

📍 ~140 km from San Antonio (reachable by car).

Victoria Regional (VCT)

Victoria Regional is geographically relatively close to San Antonio, but has extremely limited commercial flight options.

📍 ~160 km from San Antonio (reachable by car).

Business & First Class Flight Deals to San Antonio

San Antonio, United States

38% AI deal score

$8,906

Frequently Asked Questions About Flights to San Antonio

To find more affordable flights, consider being flexible with your travel dates and times. Comparing prices across different airlines and booking sites can often reveal better deals. Also, looking into flights with layovers may sometimes be more economical than direct routes.

Booking flights in advance, often several months ahead, can sometimes lead to lower prices. However, prices can fluctuate, so monitoring fares over time may help you identify a good booking window. Weekday bookings might also offer different pricing compared to weekends.

Comparing nearby airports can sometimes provide additional flight options and potentially lower fares. While it may require extra travel time to and from these airports, the savings on airfare can sometimes be significant. Always factor in the total cost and convenience.

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Consider alternative routes from Sioux Falls

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Cheap Flights from Sioux Falls to San Antonio

Today’s best flight deals from Sioux Falls to San Antonio

Unlock all 500+ flight deals to San Antonio and get alerts when great deals appear

Sioux Falls to San Antonio: Overview

Insights for flights from Sioux Falls to San Antonio

How much is a round trip from Sioux Falls to San Antonio

The cheapest time to fly from Sioux Falls to San Antonio

Direct flights from Sioux Falls to San Antonio

Last-minute flights going from Sioux Falls to San Antonio

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

Popular Airports to fly from Sioux Falls to San Antonio

Sioux Falls - San Antonio route insights

Recent fares are near the typical level

Fly in September for the best prices

Connecting flights are typical for this route

Frontier Airlines offers the most deals

Frontier Airlines has a $250 deal

Deals appear regularly for this route

Sioux Falls main airports to depart from

San Antonio main airports to arrive at

Airports nearby San Antonio used as alternative

Business & First Class Flight Deals to San Antonio

Best Elite deals to San Antonio

Dec 17

Dec 16

Nov 13

Aug 23

Aug 20

Aug 20

Aug 23

Aug 20

Aug 20

Aug 09

Aug 09

Aug 09

Aug 09

Aug 09

Aug 23

Aug 20

Aug 09

Sep 10

Aug 06

Frequently Asked Questions About Flights to San Antonio

How can I find cheap flights from Sioux Falls to San Antonio?

How can I find cheap flights from Sioux Falls to San Antonio?

When should I book flights from Sioux Falls to San Antonio?

When should I book flights from Sioux Falls to San Antonio?

Should I compare nearby airports for flights from Sioux Falls to San Antonio?

Should I compare nearby airports for flights from Sioux Falls to San Antonio?

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

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

Can flexible travel dates help on Sioux Falls to San Antonio flights?

Can flexible travel dates help on Sioux Falls to San Antonio flights?

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

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

Related routes

Consider alternative routes from Sioux Falls