$85 Cheap Flights from Sioux Falls (FSD) to San Antonio (SAT)

View $85 flight on Mon, Nov 3, 2025Opens in a new window

Popular airlines from Sioux Falls Regional Airport (FSD) to San Antonio International Airport (SAT)

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Cheap Flights from Sioux Falls to San Antonio (FSD-SAT)

Prices were available within the past 7 days and start at $85 for one-way flights and $205 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, Dec 6 - Sat, Dec 13
FSD
Sioux Falls
SAT
San Antonio
$205 Roundtrip, found 2 hours ago
$205
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Sat, Dec 6 from Sioux Falls to San Antonio, returning Sat, Dec 13, priced at $205 found 2 hours ago
American Airlines
Sat, Dec 6 - Sat, Dec 13
FSD
Sioux Falls
SAT
San Antonio
$210 Roundtrip, found 2 hours ago
$210
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Sat, Dec 6 from Sioux Falls to San Antonio, returning Sat, Dec 13, priced at $210 found 2 hours ago
Frontier Airlines
Fri, Oct 24 - Sat, Nov 1
FSD
Sioux Falls
SAT
San Antonio
$212 Roundtrip, found 2 days ago
$212
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Fri, Oct 24 from Sioux Falls to San Antonio, returning Sat, Nov 1, priced at $212 found 2 days ago
United
Sat, Jan 31 - Sat, Feb 7
FSD
Sioux Falls
SAT
San Antonio
$215 Roundtrip, found 4 days ago
$215
Roundtrip
found 4 days ago
Select United flight, departing Sat, Jan 31 from Sioux Falls to San Antonio, returning Sat, Feb 7, priced at $215 found 4 days ago
Delta
Sat, Jan 24 - Tue, Jan 27
FSD
Sioux Falls
SAT
San Antonio
$217 Roundtrip, just found
$217
Roundtrip
just found
Select Delta flight, departing Sat, Jan 24 from Sioux Falls to San Antonio, returning Tue, Jan 27, priced at $217 just found
Delta
Tue, Jan 20 - Tue, Jan 27
FSD
Sioux Falls
SAT
San Antonio
$222 Roundtrip, just found
$222
Roundtrip
just found
Select Delta flight, departing Tue, Jan 20 from Sioux Falls to San Antonio, returning Tue, Jan 27, priced at $222 just found
Delta
Tue, Jan 20 - Sat, Jan 24
FSD
Sioux Falls
SAT
San Antonio
$227 Roundtrip, just found
$227
Roundtrip
just found
Select Delta flight, departing Tue, Jan 20 from Sioux Falls to San Antonio, returning Sat, Jan 24, priced at $227 just found
United
Fri, Jan 23 - Tue, Jan 27
FSD
Sioux Falls
SAT
San Antonio
$232 Roundtrip, just found
$232
Roundtrip
just found
Select United flight, departing Fri, Jan 23 from Sioux Falls to San Antonio, returning Tue, Jan 27, priced at $232 just found
Delta
Wed, Feb 11 - Sun, Feb 15
FSD
Sioux Falls
SAT
San Antonio
$237 Roundtrip, found 23 hours ago
$237
Roundtrip
found 23 hours ago
Select Delta flight, departing Wed, Feb 11 from Sioux Falls to San Antonio, returning Sun, Feb 15, priced at $237 found 23 hours ago
United
Sat, Jan 24 - Sun, Feb 1
FSD
Sioux Falls
SAT
San Antonio
$237 Roundtrip, found 2 days ago
$237
Roundtrip
found 2 days ago
Select United flight, departing Sat, Jan 24 from Sioux Falls to San Antonio, returning Sun, Feb 1, priced at $237 found 2 days ago

Find the cheapest month to fly from Sioux Falls (FSD) to San Antonio (SAT)

July is typically the cheapest month to fly

From $204 - $441 per traveler.

Alternative airports near San Antonio

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to San Antonio Intl. SAT. Cheapest and Closest option available. Average driving time to city center is 11 minutes. Flights from $271
SAT
San Antonio Intl.
CheapestClosest
Average driving time to city center11 min
Flights from $271

Frequently asked questions

How much does a flight from Sioux Falls Regional Airport (FSD) to San Antonio Intl. Airport (SAT) cost?
Snag a cheap one-way flight from $85 or cheap return flight from $205 from Sioux Falls Regional Airport (FSD) to San Antonio Intl. Airport (SAT) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Sioux Falls Regional Airport (FSD) to San Antonio Intl. Airport (SAT)?
Flying in December can help you save, as it's the cheapest month for flights between FSD and SAT. You'll typically find the lowest fares during the off-season.
What is the cheapest airline that flies from Sioux Falls Regional Airport (FSD) to San Antonio Intl. Airport (SAT)?
To find the cheapest airline that'll fly you from FSD to SAT, use Expedia's filter tool. Tailor your search based on what's important to you, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to list the most affordable options first.
How many flights per day from Sioux Falls Regional Airport (FSD) to San Antonio Intl. Airport (SAT)?
You'll have to book a flight with a layover if you're traveling from Sioux Falls Regional Airport (FSD) to San Antonio Intl. Airport (SAT). Direct flights don't operate daily on this route. However, just filter your search to include one or more stops to discover the best option for your trip.
What day of the week has the most flights from FSD to SAT?
Friday is typically the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can change based on a range of factors, including the airline and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Sioux Falls Regional Airport (FSD) to San Antonio Intl. Airport (SAT)?
Choose a flight from Sioux Falls Regional Airport (FSD) to San Antonio Intl. Airport (SAT) that leaves before 3 PM to reduce the risk of cancellations and delays. Departures after this time have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Sioux Falls Regional Airport (FSD) to San Antonio Intl. Airport (SAT) last-minute?
Booking your ticket from FSD to SAT right before your getaway is typically more expensive. But if you're flexible with your departure times and dates, you could snag a cheap last-minute fare.
Is it cheaper to book a FSD to SAT flight and hotel package?
You can save money by booking a FSD to SAT flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one place. After selecting your ideal accommodations and flights, consider other add-ons like tours, car rentals and activities.
Can I cancel or change the date of my flight from Sioux Falls Regional Airport (FSD) to San Antonio Intl. Airport (SAT)?
Typically, you can modify or cancel your FSD to SAT flight. However, additional fees may apply, especially if you booked over 24 hours ago. Check your itinerary for the airline's fees and guidelines on flight changes, or if you need further information, visit our Customer Service portal.

Travel information

Origin airport
Sioux Falls Regional
Destination airport
San Antonio Intl.
Airlines serving
American Airlines, Delta, Frontier Airlines, United
Roundtrip price
$204
Distance
975 mi

Book with confidence

Sioux Falls to San Antonio Flights

The cheapest times to fly from Sioux Falls to San Antonio

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Sioux Falls to San Antonio are during the month of December. You can find some of the cheapest flights from Sioux Falls to San Antonio with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Sioux Falls to San Antonio

Sunday is one of the best days to book for cheap flights from Sioux Falls to San Antonio: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Sioux Falls to San Antonio

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Sioux Falls to San Antonio in 2025. You can also book with separate airlines for your outbound and return journeys, from $85 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Sioux Falls to San Antonio flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Sioux Falls to San Antonio airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Sioux Falls to San Antonio Flights

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*Available to One Key members.