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 24 days ago

486,190 searches this week

171 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated May 29, 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

July 10 - July 12

Cheapest

Best

FSD - San Antonio

$393

$284

Round trip

July 15 - July 21

FSD - San Antonio

$377

$310

Round trip

August 13 - August 15

FSD - San Antonio

$364

$310

Round trip

September 13 - September 19

FSD - San Antonio

$340

$311

Round trip

September 10 - September 16

FSD - San Antonio

$338

$311

Round trip

July 4 - July 10

Earliest

FSD - San Antonio

$382

$312

Round trip

August 13 - August 16

FSD - San Antonio

$363

$318

Round trip

September 10 - September 17

FSD - San Antonio

$338

$319

Round trip

July 9 - July 16

FSD - San Antonio

$381

$320

Round trip

October 15 - October 18

FSD - San Antonio

$388

$321

Round trip

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

Route Intelligence — 486,190 Searches this Week

Insights for flights from Sioux Falls to San Antonio

For cheap flights from Sioux Falls to San Antonio, fares right now are typically $325–$335, with a median of $325. Current fares are above the typical level, and only 1% of recent fares were classified as a good price. New deals show up several times a week, so setting up a price alert can help you track changes.

When is the cheapest time to fly from Sioux Falls to San Antonio? You'll find the most affordable options in August and September, both with a median fare of $325. October also offers competitive pricing, with a median fare of $335.

There are no direct flights from Sioux Falls to San Antonio. Instead, most itineraries connect at least once, with the typical journey involving 2 stopovers.

How long is the flight from Sioux Falls to San Antonio? A typical journey, including connections, takes about 11h 6m. This accounts for the necessary stopovers on this route.

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

Regular price: $322 - $440

Prices are currently below the regular range.

The regular price range for flights from Sioux Falls to San Antonio is $322 to $440. The current lowest deal is $284 with Frontier Airlines, for travel from Jul 10-Jul 12.

now $284

Low $322

High $440

The cheapest time to fly from Sioux Falls to San Antonio

The cheapest month to fly from FSD to SAT is August, with a median price of $325. The most expensive month is March, with a median price of $421. Prices are generally lower from July to October.

August

Cheapest

Flights from $325

March

Most Expensive

Flights from $421

Mar

Apr

May

Jul

Aug

Sep

Oct

Direct flights from Sioux Falls to San Antonio

United Airlines

Deutsche Luft Hansa

Frontier Airlines

American Airlines

Last-minute flights going from Sioux Falls to San Antonio

Thu, Jun 18

⌛ Last-Minute

FSD - San Antonio

Sioux Falls (FSD) - San Antonio (SAT)

Deutsche Luft Hansa

$502

$470

One-way

Thu, Jun 18

⌛ Last-Minute

FSD - San Antonio

Sioux Falls (FSD) - San Antonio (SAT)

United Airlines

$505

$504

One-way

Fri, Jun 19

⌛ Last-Minute

FSD - San Antonio

Sioux Falls (FSD) - San Antonio (SAT)

Deutsche Luft Hansa

$505

$470

One-way

Sat, Jun 20

⌛ Last-Minute

FSD - San Antonio

Sioux Falls (FSD) - San Antonio (SAT)

American Airlines

$505

$390

One-way

Mon, Jun 22

⌛ Last-Minute

FSD - San Antonio

Sioux Falls (FSD) - San Antonio (SAT)

United Airlines

$420

$494

One-way

Fri, Jun 26

⌛ Last-Minute

FSD - San Antonio

Sioux Falls (FSD) - San Antonio (SAT)

Frontier Airlines

$427

$328

One-way

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

3 nights

Jun 20 - Jun 23

$505 → $390

23%

2 nights

Jul 10 - Jul 12

$393 → $284

28%

2 nights

Jun 26 - Jun 28

$427 → $328

23%

6 nights

Jul 4 - Jul 10

$382 → $312

18%

Popular Airports to fly from Sioux Falls to San Antonio

Sioux Falls - San Antonio route insights

💸 Price insights

Recent fares are below the typical level

Recent fares from Sioux Falls to San Antonio are below the typical level at $284.

📅 Best time to fly

August is historically cheapest at $325

Historically, August is the cheapest month to fly from Sioux Falls to San Antonio, at $325.

⏱️ Flight duration

Flights typically take 11h 6m

Flights from Sioux Falls to San Antonio typically take 11h 6m, with 2 stopovers.

✈️ Airlines & availability

Connecting flights only

There are no direct flights available; all routes include at least one stopover.

🏆 Airline highlight

United Airlines offers many deals

United Airlines has 40 deals, making it a frequent option for this route.

🎯 Booking tip

Deals appear regularly

Deals for flights from Sioux Falls to San Antonio appear regularly, about 0.4 times per day.

Sioux Falls main airports to depart from

Sioux Falls Regional (FSD)

Cheapest

Sioux Falls Regional is a good option for flights from Sioux Falls to San Antonio, offering competitive prices.

📍 ~5 km from city center (reachable by car)

💸 Flights from ~$284

San Antonio main airports to arrive at

San Antonio International (SAT)

Cheapest

San Antonio International Airport is the primary airport for flights arriving in San Antonio.

📍 ~15 km from city center (reachable by car)

💸 Flights from ~$284

Airports nearby San Antonio used as alternative

Austin–Bergstrom International (AUS)

Cheapest

Consider Austin–Bergstrom International for significantly more direct flight options, despite potential heavy traffic on I-35.

📍 ~120 km from San Antonio (reachable by car)

💸 Flights from ~$251

Corpus Christi International (CRP)

Corpus Christi International offers additional options, especially for travelers heading towards the Gulf Coast.

📍 ~200 km from San Antonio (reachable by car)

💸 Flights from ~$633

Laredo International (LRD)

Laredo International provides reliable domestic service within the US, primarily offering regional connections.

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

💸 Flights from ~$399

Business & First Class Flight Deals to San Antonio

46% AI deal score

$2,967

From FSD

Elite

Sep 01

San Antonio, United States

45% AI deal score

$3,142

From FSD

Elite

Sep 01

San Antonio, United States

45% AI deal score

$3,142

From FSD

Elite

Aug 08

San Antonio, United States

45% AI deal score

$3,481

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 also help you discover better deals. Looking into flights with layovers may sometimes offer lower fares than direct routes.

Booking flights in advance, often several weeks or months before your intended departure, can sometimes result in lower prices. However, prices can fluctuate, so monitoring fares over time may help you identify a good booking window. Weekday bookings sometimes offer different pricing compared to weekend bookings.

Comparing nearby airports can sometimes provide additional flight options and potentially different prices. While it may require extra travel time to and from these airports, the savings on airfare could be significant. Always factor in the total cost and convenience when considering this option.

Related routes

Consider alternative routes from Sioux Falls

Flights from Sioux Falls to Bournemouth Flights from Sioux Falls to Bristol Flights from Sioux Falls to Las Vegas Flights from Sioux Falls to Raleigh Flights from Sioux Falls to Venice

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

Route Intelligence — 486,190 Searches this Week

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 below the typical level

August is historically cheapest at $325

Flights typically take 11h 6m

Connecting flights only

United Airlines offers many deals

Deals appear regularly

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 03

Oct 22

Oct 22

Sep 13

Jun 17

Jun 29

Sep 01

Sep 01

Sep 01

Aug 08

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