What are the cheapest airlines flying from Sioux Falls to San Antonio round-trip?

Cheapflights users have booked flights from Sioux Falls to San Antonio round-trip from $218. Other airlines that can offer you cheap pricing are American Airlines, from $253, and United Airlines, from $273. Delta is currently priced 39% below the average price you’ll pay for this route.

What is the cheapest day to fly from Sioux Falls to San Antonio?

Travelers seeking maximum savings on their Sioux Falls to San Antonio flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Friday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in San Antonio ranges from 1.6 - 3.7 inches per month. May is typically the wettest month, when rainfall can reach 3.7 in. December is typically the driest time to visit San Antonio when rainfall is around 1.6 in.

If weather is an important factor for your trip to San Antonio, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

What are the most popular airlines that fly from Sioux Falls to San Antonio?

Consider American Airlines, Delta or United Airlines when booking your flight. These represent the most popular airlines when flying from Sioux Falls to San Antonio.

What is the cheapest day to fly round-trip from Sioux Falls to San Antonio?

Sunday flights are found to be more expensive to fly from Sioux Falls to San Antonio. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to San Antonio.

How far in advance should I book a flight from Sioux Falls to San Antonio?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 41 days in advance, which can save you up to 48% on flights from Sioux Falls to San Antonio compared to booking the week you need them. Waiting 41 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $259. For sooner than that we have options available in the next 3 days from $328.

What is the cheapest month to fly from Sioux Falls to San Antonio?

August is one of the best times of the year to fly to San Antonio from Sioux Falls. Prices for August average $358 per person but you can even find prices for as low as $211. The most expensive prices can be found in the month of September. Opting for a August flight can save you 44% on your journey compared to booking in September

What is the cheapest time of day to fly from FSD to SAT?

When flying from Sioux Falls to San Antonio, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 17% versus a flight in the morning.

Can I find deals for flights from Sioux Falls to San Antonio that include hotel bookings?

Yes. In addition to deals on Sioux Falls to San Antonio flights, Cheapflights offers vacation packages that include both flights and hotel.

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

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sioux Falls to San Antonio.

Can I find deals for business class flights from Sioux Falls to San Antonio?

Yes. Cheapflights offers flight deals from Sioux Falls to San Antonio by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$197+ Cheap Flights from Sioux Falls to San Antonio

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Cheapflights Tip: The best prices from Sioux Falls Joe Foss Field to San Antonio are usually found in August or July, booked 78 days in advance, depart on a Saturday or Wednesday and return on a Tuesday

Cheap flight deals from Sioux Falls to San Antonio

Round-trip from	$197 (FlightHub)
Popular in	September
Cheapest in	August
Average price	$266

From Sioux Falls Joe Foss Field to San Antonio

Search Deals

Highest demand for flights based on searches. 4% potential increase in price ($17 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($15 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in August 2025

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Find flight deals from Sioux Falls to San Antonio

Cheapest flights from Sioux Falls to San Antonio
Explore the most affordable flight options available from Sioux Falls to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

Thu 10/163:19 pmFSD - SAT

2 stops25h 31mFrontier

Sun 10/198:26 pmSAT - FSD

1 stop22h 07mFrontier

Deal found 8/14

$197

Fri 9/262:54 pmFSD - SAT

1 stop23h 33mFrontier

Sun 9/288:20 pmSAT - FSD

1 stop17h 49mFrontier

Deal found 8/13

$230

Thu 8/212:08 pmFSD - SAT

1 stop5h 25mFrontier

Sat 8/233:34 pmSAT - FSD

1 stop21h 49mFrontier

Deal found 8/12

$231

Thu 11/65:11 pmFSD - SAT

1 stop5h 44mAmerican Airlines

Tue 11/115:00 amSAT - FSD

1 stop7h 21mAmerican Airlines

Deal found 8/14

$232

Tue 9/2312:56 pmFSD - SAT

2 stops11h 03mDelta

Wed 9/246:02 pmSAT - FSD

1 stop4h 42mDelta

Deal found 8/14

$242

Fri 9/1212:19 pmFSD - SAT

1 stop5h 30mAmerican Airlines

Sun 9/147:00 amSAT - FSD

1 stop5h 39mAmerican Airlines

Deal found 8/13

$259

Tue 9/305:00 amFSD - SAT

1 stop6h 50mDelta

Fri 10/36:02 pmSAT - FSD

1 stop4h 42mDelta

Deal found 8/14

$298

Best flights from Sioux Falls to San Antonio
Discover carefully curated flight deals from Sioux Falls to San Antonio that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 14, 2025.

Thu 10/163:19 pmFSD - SAT

2 stops25h 31mFrontier

Sun 10/198:26 pmSAT - FSD

1 stop22h 07mFrontier

Deal found 8/14

$197

Thu 11/61:43 pmFSD - SAT

1 stop8h 14mAmerican Airlines

Tue 11/115:00 amSAT - FSD

1 stop7h 21mAmerican Airlines

Deal found 8/13

$232

Tue 9/232:32 pmFSD - SAT

1 stop6h 58mDelta

Wed 9/246:02 pmSAT - FSD

1 stop4h 42mDelta

Deal found 8/14

$237

Fri 9/262:54 pmFSD - SAT

1 stop23h 33mFrontier

Sun 9/288:20 pmSAT - FSD

1 stop17h 49mFrontier

Deal found 8/13

$230

Thu 8/212:08 pmFSD - SAT

1 stop5h 25mFrontier

Sat 8/233:34 pmSAT - FSD

1 stop21h 49mFrontier

Deal found 8/12

$231

Fri 9/1212:19 pmFSD - SAT

1 stop5h 30mAmerican Airlines

Sun 9/147:00 amSAT - FSD

1 stop5h 39mAmerican Airlines

Deal found 8/13

$259

Last-minute flights from Sioux Falls to San Antonio
Discover last-minute flight deals from Sioux Falls to San Antonio. Data last updated August 14, 2025 and is based on user searches.

Thu 8/212:08 pmFSD - SAT

1 stop5h 25mFrontier

Sat 8/233:34 pmSAT - FSD

1 stop21h 49mFrontier

Deal found 8/12

$231

Thu 8/2112:47 pmFSD - SAT

2 stops9h 57mAmerican Airlines

Sat 8/2310:16 amSAT - FSD

2 stops7h 17mAmerican Airlines

Deal found 8/12

$488

Fri 9/1212:19 pmFSD - SAT

1 stop5h 30mAmerican Airlines

Sun 9/147:00 amSAT - FSD

1 stop5h 39mAmerican Airlines

Deal found 8/13

$259

Fri 9/122:54 pmFSD - SAT

1 stop23h 33mFrontier

Sun 9/142:08 pmSAT - FSD

2 stops24h 01mFrontier

Deal found 8/13

$319

Tue 9/232:32 pmFSD - SAT

1 stop6h 58mDelta

Wed 9/246:02 pmSAT - FSD

1 stop4h 42mDelta

Deal found 8/14

$237

Fri 9/262:54 pmFSD - SAT

1 stop23h 33mFrontier

Sun 9/288:20 pmSAT - FSD

1 stop17h 49mFrontier

Deal found 8/13

$230

Tue 9/305:00 amFSD - SAT

1 stop6h 50mDelta

Fri 10/36:02 pmSAT - FSD

1 stop4h 42mDelta

Deal found 8/14

$298

Cheapflights Fare Finder

Use the filters below to find and compare flights from Sioux Falls to San Antonio that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Sioux FallsSan Antonio

FSD - SAT

FSDSAT

Sioux Falls Joe Foss Field

Thu 10/16

3:19 pm-4:50 pm

2 stops25h 31m

San Antonio

Sun 10/19

8:26 pm-6:33 pm

1 stop22h 07m

$197

Sioux FallsSan Antonio

FSD - SAT

FSDSAT

Sioux Falls Joe Foss Field

Fri 9/26

2:54 pm-2:27 pm

1 stop23h 33m

San Antonio

Sun 9/28

8:20 pm-2:09 pm

1 stop17h 49m

$230

Sioux FallsSan Antonio

FSD - SAT

FSDSAT

Sioux Falls Joe Foss Field

Thu 8/21

2:08 pm-7:33 pm

1 stop5h 25m

San Antonio

Sat 8/23

3:34 pm-1:23 pm

1 stop21h 49m

$231

Sioux FallsSan Antonio

FSD - SAT

FSDSAT

Sioux Falls Joe Foss Field

Thu 11/6

1:43 pm-9:57 pm

1 stop8h 14m

San Antonio

Tue 11/11

5:00 am-12:21 pm

1 stop7h 21m

$232

Sioux FallsSan Antonio

FSD - SAT

FSDSAT

Sioux Falls Joe Foss Field

Tue 9/23

2:32 pm-9:30 pm

1 stop6h 58m

San Antonio

Wed 9/24

6:02 pm-10:44 pm

1 stop4h 42m

$237

Sioux FallsSan Antonio

FSD - SAT

FSDSAT

Sioux Falls Joe Foss Field

Fri 9/12

12:19 pm-5:49 pm

1 stop5h 30m

San Antonio

Sun 9/14

7:00 am-12:39 pm

1 stop5h 39m

$259

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/14

Best time to book a flight from Sioux Falls to San Antonio

Have a flexible travel schedule? Discover the best time to fly to San Antonio from Sioux Falls with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Sioux Falls to San Antonio

How far ahead should I book a flight from Sioux Falls to San Antonio?

The price you pay for your flight from Sioux Falls to San Antonio may vary depending on when you book. For the best chance of a lower fare, look to book 78 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Sioux Falls to San Antonio?

Currently, August is the cheapest month in which you can book a flight from Sioux Falls to San Antonio (average of $295). Flying from Sioux Falls to San Antonio in March is currently the most expensive (average of $376). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing San Antonio

Read through reviews of airlines operating flights from Sioux Falls to San Antonio, such as Delta, United Airlines, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,980 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very good

7,980 reviews

Delta

8.0

Very good

7,980 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

United Airlines

7.4

Good

8,916 reviews

Delta

8.0

Very good

7,980 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,980 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

What are the cheapest airlines flying from Sioux Falls to San Antonio round-trip?
Cheapflights users have booked flights from Sioux Falls to San Antonio round-trip from $218. Other airlines that can offer you cheap pricing are American Airlines, from $253, and United Airlines, from $273. Delta is currently priced 39% below the average price you’ll pay for this route.
Can I find deals for flights from Sioux Falls to San Antonio that include hotel bookings?
Yes. In addition to deals on Sioux Falls to San Antonio flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Sioux Falls to San Antonio?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sioux Falls to San Antonio.
Can I find deals for business class flights from Sioux Falls to San Antonio?
Yes. Cheapflights offers flight deals from Sioux Falls to San Antonio by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Sioux Falls to San Antonio?
Currently, August is the cheapest month in which you can book a flight from Sioux Falls to San Antonio (average of $295). Flying from Sioux Falls to San Antonio in March is currently the most expensive (average of $376). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Other flights to San Antonio

Top 3 airlines flying from Sioux Falls to San Antonio

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$218	Average$291	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$253	Average$383	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$273	Average$443	FlexibilityNo cancel fee	On-time69%

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$197+ Cheap flights from Sioux Falls to San Antonio (FSD - SAT)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/16. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Sioux Falls to San Antonio with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Sioux Falls Joe Foss Field to San Antonio are usually found in August or July, booked 78 days in advance, depart on a Saturday or Wednesday and return on a Tuesday

Cheap flight deals from Sioux Falls to San Antonio

Round-trip from

Popular in

Cheapest in

Average price

Find flight deals from Sioux Falls to San Antonio

Cheapest flights from Sioux Falls to San AntonioExplore the most affordable flight options available from Sioux Falls to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

Explore the most affordable flight options available from Sioux Falls to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Sioux Falls to San Antonio that are best for you.

Best time to book a flight from Sioux Falls to San Antonio

Have a flexible travel schedule? Discover the best time to fly to San Antonio from Sioux Falls with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Sioux Falls to San Antonio

How far ahead should I book a flight from Sioux Falls to San Antonio?

Use this chart to determine the optimal time to book a round-trip flight from Sioux Falls to San Antonio. Price data was last updated on August 8, 2025.

What is the cheapest month to book a flight from Sioux Falls to San Antonio?

Reviews of airlines servicing San Antonio

Read through reviews of airlines operating flights from Sioux Falls to San Antonio, such as Delta, United Airlines, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Sioux Falls to San Antonio. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What are the cheapest airlines flying from Sioux Falls to San Antonio round-trip?

Can I find deals for flights from Sioux Falls to San Antonio that include hotel bookings?

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

Can I find deals for business class flights from Sioux Falls to San Antonio?

What is the cheapest month to book a flight from Sioux Falls to San Antonio?

Traveling to a place near San Antonio?

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Alternative routes for Sioux Falls to San Antonio

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Top 3 airlines flying from Sioux Falls to San Antonio

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Cheapest flights from Sioux Falls to San Antonio
Explore the most affordable flight options available from Sioux Falls to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.