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

Direct flights offer convenience and save time, but they are not always the most budget-friendly choice. Flights with layovers can sometimes be less expensive, especially if you are willing to spend more time traveling. Consider your priorities for cost versus travel duration.

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

Yes, being flexible with your travel dates can often lead to finding cheaper flights. Prices can vary significantly depending on the day of the week or time of year. Adjusting your departure or return by a day or two may result in notable savings.

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. Being aware of these additional fees 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 4 days ago

476 airlines compared

80%+ AI score for best value

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

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

Explore current cheapest deals departing from Sioux Falls to San Antonio

2026-11-16 – 2026-12-01
FSD - San Antonio
43% AI deal score
$301
$346
Round trip
2026-11-16 – 2026-12-10
FSD - San Antonio
44% AI deal score
$292
$348
Round trip
2026-11-16 – 2026-12-02
FSD - San Antonio
43% AI deal score
$300
$354
Round trip
2026-11-06 – 2026-12-01
FSD - San Antonio
43% AI deal score
$292
$362
Round trip
2026-12-14 – 2027-01-13
FSD - San Antonio
43% AI deal score
$305
$363
Round trip
2026-11-09 – 2026-12-01
FSD - San Antonio
43% AI deal score
$292
$366
Round trip
2026-11-06 – 2026-12-02
FSD - San Antonio
43% AI deal score
$292
$369
Round trip
2026-11-16 – 2026-12-03
FSD - San Antonio
43% AI deal score
$295
$371
Round trip
2026-11-13 – 2026-12-01
FSD - San Antonio
43% AI deal score
$294
$371
Round trip
2026-10-30 – 2026-11-11
FSD - San Antonio
43% AI deal score
$298
$372
Round trip

Sioux Falls to San Antonio: Overview

Insights for flights from Sioux Falls to San Antonio

For travelers looking for cheap flights from Sioux Falls to San Antonio, right now 68% of recent fares are classified as a good price. Fares for this route typically range from $393–$393, with a median of $393. Current fares are significantly below the typical level, indicating a favorable time to consider booking. Deals are infrequent for this route, so setting up a price alert can be particularly helpful.

When is the cheapest time to fly from Sioux Falls to San Antonio? The data indicates that August is typically the most affordable month, with a median fare of $383. Other cost-effective months include October and December, both showing a median fare of $393.

Most itineraries from Sioux Falls to San Antonio involve connections, as 0% of recent fares were for non-stop flights. When connections are necessary, the typical number of stopovers is 2.

A typical journey from Sioux Falls to San Antonio, including connections, covers a distance of 1,570 kilometers. This classifies the route as a medium-haul flight.

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

Regular price: $258 - $480

Prices for flights from Sioux Falls to San Antonio are within the regular range.

Regularly, flights from Sioux Falls to San Antonio range from $258 to $480. Currently, the lowest deal is $315 with Allegiant Air, for travel from Nov 13-Dec 1.

now $315

Low $258

High $480

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 $383. The most expensive month is July, with a median price of $447. Prices are generally lower from January to December.

August

Cheapest

Flights from $383

July

Most Expensive

Flights from $447

Jan

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from Sioux Falls to San Antonio

United Airlines

Allegiant Air

Frontier Airlines

Breeze Airways

Last-minute flights going from Sioux Falls to San Antonio

Fri, Oct 9

⌛ Last-Minute

FSD - San Antonio

Sioux Falls (FSD) - San Antonio (SAT)

United Airlines

$494

$674

One-way

Sat, Oct 10

⌛ Last-Minute

FSD - San Antonio

Sioux Falls (FSD) - San Antonio (SAT)

United Airlines

$478

$529

One-way

Wed, Oct 14

⌛ Last-Minute

FSD - San Antonio

Sioux Falls (FSD) - San Antonio (SAT)

United Airlines

$501

$1,120

One-way

Thu, Oct 15

⌛ Last-Minute

FSD - San Antonio

Sioux Falls (FSD) - San Antonio (SAT)

United Airlines

$409

$653

One-way

Sun, Oct 18

⌛ Last-Minute

FSD - San Antonio

Sioux Falls (FSD) - San Antonio (SAT)

United Airlines

$375

$616

One-way

Wed, Oct 21

⌛ Last-Minute

FSD - San Antonio

Sioux Falls (FSD) - San Antonio (SAT)

United Airlines

$364

$478

One-way

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

3 nights

Oct 14 - Oct 17

$581 → $529

10 nights

Dec 14 - Dec 24

$330 → $339

15 nights

Nov 16 - Dec 1

$300 → $313

5 nights

Nov 6 - Nov 11

$353 → $369

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 for Sioux Falls to San Antonio are below the typical level.

📅 Best time to fly

August offers the lowest median price

Historically, August, October, and December offer the lowest median prices for this route.

⏱️ Flight duration

Connecting flights are typical for this route

Direct flights are not available; connecting flights typically have 2 stopovers.

✈️ Airlines & availability

Connecting flights are dominant for this route

This route is dominated by connecting flights, with no direct options available.

🏆 Airline highlight

Allegiant Air offers a recent deal at $315

Allegiant Air recently offered a deal for $315 from November 13 to December 1.

🎯 Booking tip

Deals are rare for this route

Deals on flights from Sioux Falls to San Antonio are historically rare.

Sioux Falls main airports to depart from

Sioux Falls Regional (FSD)

Cheapest

Sioux Falls Regional is a convenient departure airport for flights from Sioux Falls to San Antonio.

📍 ~4 km from Sioux Falls (reachable by car)

💸 Flights from ~$412

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 city center (reachable by car)

💸 Flights from ~$266

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 options.

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

💸 Flights from ~$244

Business & First Class Flight Deals to San Antonio

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. Comparing prices across different airlines and booking sites can also help uncover better deals. Look out for sales or promotions that may occur throughout the year.

Booking flights in advance, often several weeks or months before your intended departure, can sometimes lead to lower prices. However, prices can fluctuate, so monitoring fares and booking when you see a good deal is usually a good strategy. Mid-week bookings may also offer different pricing.

Comparing flights from nearby airports can sometimes provide more options or potentially lower fares. While it may add to your ground travel, the savings on airfare could be significant. Always factor in the additional time and cost of transportation to and from alternative airports.

Related routes

More routes from Sioux Falls

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

Flights to San Antonio from other cities

Flights from Hong Kong to San Antonio Flights from Houston to San Antonio Flights from Indianapolis to San Antonio 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

Sioux Falls to San Antonio: Overview

Insights for flights from Sioux Falls to San Antonio

Most itineraries from Sioux Falls to San Antonio involve connections, as 0% of recent fares were for non-stop flights. When connections are necessary, the typical number of stopovers is 2.

A typical journey from Sioux Falls to San Antonio, including connections, covers a distance of 1,570 kilometers. This classifies the route as a medium-haul flight.

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

Regular price: $258 - $480

Prices for flights from Sioux Falls to San Antonio are within the regular range.

Regularly, flights from Sioux Falls to San Antonio range from $258 to $480. Currently, the lowest deal is $315 with Allegiant Air, for travel from Nov 13-Dec 1.

now $315

Low $258

High $480

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 $383. The most expensive month is July, with a median price of $447. Prices are generally lower from January to December.

August

Cheapest

Flights from $383

July

Most Expensive

Flights from $447

Jan

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from Sioux Falls to San Antonio

United Airlines

Allegiant Air

Frontier Airlines

Breeze Airways

Last-minute flights going from Sioux Falls to San Antonio

Fri, Oct 9

⌛ Last-Minute

FSD - San Antonio

Sioux Falls (FSD) - San Antonio (SAT)

United Airlines

$494

$674

One-way

Sat, Oct 10

⌛ Last-Minute

FSD - San Antonio

Sioux Falls (FSD) - San Antonio (SAT)

United Airlines

$478

$529

One-way

Wed, Oct 14

⌛ Last-Minute

FSD - San Antonio

Sioux Falls (FSD) - San Antonio (SAT)

United Airlines

$501

$1,120

One-way

Thu, Oct 15

⌛ Last-Minute

FSD - San Antonio

Sioux Falls (FSD) - San Antonio (SAT)

United Airlines

$409

$653

One-way

Sun, Oct 18

⌛ Last-Minute

FSD - San Antonio

Sioux Falls (FSD) - San Antonio (SAT)

United Airlines

$375

$616

One-way

Wed, Oct 21

⌛ Last-Minute

FSD - San Antonio

Sioux Falls (FSD) - San Antonio (SAT)

United Airlines

$364

$478

One-way

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

3 nights

Oct 14 - Oct 17

$581 → $529

10 nights

Dec 14 - Dec 24

$330 → $339

15 nights

Nov 16 - Dec 1

$300 → $313

5 nights

Nov 6 - Nov 11

$353 → $369

Popular Airports to fly from Sioux Falls to San Antonio