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Sioux Falls

$249+ Cheap flights from St. Louis to Sioux Falls (STL - FSD)

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 2/19. Fares are subject to change and may not be available on all flights or dates of travel.
STL — FSD
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
1 adult, Economy
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Cheap flight deals from St. Louis to Sioux Falls

Cheapest flights from St. Louis to Sioux Falls
Explore the most affordable flight options available from St. Louis to Sioux Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 27, 2026.

This American Airlines deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/199:37 am
STL
-
FSD
1 stop3h 59m
American Airlines
Sat 2/212:07 pm
FSD
-
STL
1 stop7h 05m
American Airlines
Deal found 1/25$249
This Delta deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/1011:23 am
STL
-
FSD
1 stop4h 11m
Delta
Sat 2/1410:50 am
FSD
-
STL
1 stop4h 04m
Delta
Deal found 1/26$259
This American Airlines deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/236:36 pm
STL
-
FSD
1 stop4h 27m
American Airlines
Sat 2/285:19 pm
FSD
-
STL
1 stop6h 03m
American Airlines
Deal found 1/25$274
This Delta deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/15:48 pm
STL
-
FSD
1 stop5h 16m
Delta
Sun 2/86:25 am
FSD
-
STL
1 stop4h 18m
Delta
Deal found 1/25$279
This American Airlines deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/3111:55 am
STL
-
FSD
1 stop5h 04m
American Airlines
Mon 2/25:35 pm
FSD
-
STL
1 stop5h 24m
American Airlines
Deal found 1/26$309
This United Airlines deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/182:45 pm
STL
-
FSD
1 stop5h 54m
United Airlines
Sat 2/213:15 pm
FSD
-
STL
1 stop5h 50m
United Airlines
Deal found 1/25$314
This United Airlines deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/306:00 pm
STL
-
FSD
1 stop5h 44m
United Airlines
Sat 1/313:11 pm
FSD
-
STL
1 stop6h 02m
United Airlines
Deal found 1/25$319
This Kiwi.com deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/239:50 am
STL
-
FSD
2 stops8h 22m
Multiple Airlines
Sun 3/12:16 pm
FSD
-
STL
1 stop22h 53m
Multiple Airlines
Deal found 1/25$327
This Delta deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/196:29 am
STL
-
FSD
1 stop6h 24m
Delta
Sun 3/228:00 am
FSD
-
STL
1 stop3h 48m
Delta
Deal found 1/25$359
This American Airlines deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/108:13 am
STL
-
FSD
2 stops13h 22m
American Airlines
Sat 2/145:19 pm
FSD
-
STL
1 stop6h 03m
American Airlines
Deal found 1/26$447

Find flight deals from St. Louis to Sioux Falls

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Sioux Falls (FSD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$249
(American Airlines)

Popular in

November

Cheapest in

February

Average price

$348
Provider with most accurate pricing for Lambert-St Louis-Sioux Falls Joe Foss Field flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-Sioux Falls Joe Foss Field flights.
Search Deals
From Lambert-St Louis to Sioux Falls Joe Foss Field
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($70 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from St. Louis to Sioux Falls that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 27, 2026.
Use the filters below to find and compare flights from St. Louis to Sioux Falls that are best for you.

Fly from

St. Louis

Fly to

Sioux Falls

Route

Depart

Return

Price

St. LouisSioux Falls

STL - FSD

STLFSD

Lambert-St Louis

Fri 2/13

6:10 am-12:15 pm

1 stop6h 05m

Sioux Falls Joe Foss Field

Sun 2/15

6:25 am-10:43 am

1 stop4h 18m

$259

St. LouisSioux Falls

STL - FSD

STLFSD

Lambert-St Louis

Tue 2/10

11:23 am-3:34 pm

1 stop4h 11m

Sioux Falls Joe Foss Field

Sat 2/14

10:50 am-2:54 pm

1 stop4h 04m

$259

St. LouisSioux Falls

STL - FSD

STLFSD

Lambert-St Louis

Mon 2/23

6:36 pm-11:03 pm

1 stop4h 27m

Sioux Falls Joe Foss Field

Sun 3/1

7:42 pm-11:48 pm

1 stop4h 06m

$274

St. LouisSioux Falls

STL - FSD

STLFSD

Lambert-St Louis

Sun 2/1

5:48 pm-11:04 pm

1 stop5h 16m

Sioux Falls Joe Foss Field

Sun 2/8

6:25 am-10:43 am

1 stop4h 18m

$279

St. LouisSioux Falls

STL - FSD

STLFSD

Lambert-St Louis

Sat 2/7

11:23 am-3:34 pm

1 stop4h 11m

Sioux Falls Joe Foss Field

Sun 2/8

6:25 am-10:43 am

1 stop4h 18m

$279

St. LouisSioux Falls

STL - FSD

STLFSD

Lambert-St Louis

Sat 1/31

11:55 am-4:59 pm

1 stop5h 04m

Sioux Falls Joe Foss Field

Fri 2/6

5:35 pm-10:59 pm

1 stop5h 24m

$309

St. LouisSioux Falls

STL - FSD

STLFSD

Lambert-St Louis

Sat 1/31

11:55 am-4:59 pm

1 stop5h 04m

Sioux Falls Joe Foss Field

Mon 2/2

5:35 pm-10:59 pm

1 stop5h 24m

$309

St. LouisSioux Falls

STL - FSD

STLFSD

Lambert-St Louis

Wed 2/18

2:45 pm-8:39 pm

1 stop5h 54m

Sioux Falls Joe Foss Field

Sat 2/21

3:15 pm-9:05 pm

1 stop5h 50m

$314

St. LouisSioux Falls

STL - FSD

STLFSD

Lambert-St Louis

Fri 1/30

6:00 pm-11:44 pm

1 stop5h 44m

Sioux Falls Joe Foss Field

Sat 1/31

3:11 pm-9:13 pm

1 stop6h 02m

$319

St. LouisSioux Falls

STL - FSD

STLFSD

Lambert-St Louis

Fri 1/30

6:10 am-12:22 pm

1 stop6h 12m

Sioux Falls Joe Foss Field

Sat 1/31

6:25 am-10:43 am

1 stop4h 18m

$319

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 11 results
1
2

Compare providers for flights from St. Louis to Sioux Falls

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Sioux Falls in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on St. Louis-Sioux Falls flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Sioux Falls flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-Sioux Falls flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on St. Louis-Sioux Falls flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Sioux Falls flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from St. Louis to Sioux Falls

Have a flexible travel schedule? Discover the best time to fly to Sioux Falls from St. Louis 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 St. Louis to Sioux Falls

What is the cheapest month to book a flight from St. Louis to Sioux Falls?

Currently, August is the cheapest month in which you can book a flight from St. Louis to Sioux Falls (average of $197). Flying from St. Louis to Sioux Falls in November is currently the most expensive (average of $514). 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.

How much does it cost to fly round-trip from St. Louis to Sioux Falls?

Reviews of airlines servicing Sioux Falls

Get insights into the airlines that provide service to Sioux Falls. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sioux Falls. Reviews last updated January 27, 2026.
Peruse reviews from past customers who have flown with Delta, United Airlines, and American Airlines from St. Louis to Sioux Falls to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,119 reviews

Crew

8.5

Entertainment

7.8

Food

7.2

Comfort

7.9

Overall

7.9

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,119 reviews
Delta
7.9
Good
8,119 reviews

Crew

8.5

Entertainment

7.8

Food

7.2

Comfort

7.9

Overall

7.9

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,205 reviews
Delta
7.9
Good
8,119 reviews

Crew

8.5

Entertainment

7.8

Food

7.2

Comfort

7.9

Overall

7.9

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,197 reviews
Delta
7.9
Good
8,119 reviews

Crew

8.5

Entertainment

7.8

Food

7.2

Comfort

7.9

Overall

7.9

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

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

  • How long is the flight from St. Louis to Sioux Falls?

    A quick flight from St. Louis to Sioux Falls can take about 4h 27m. Delta provides one of the quickest options available for as low as $274. The distance between St. Louis and Sioux Falls is about 470 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from St. Louis to Sioux Falls round-trip?

    According to our current data, American Airlines ($213), Delta ($218), and United Airlines ($253) offers the cheapest pricing from St. Louis to Sioux Falls. American Airlines is 41% cheaper than the average price of flights available within the next 90 days to this destination.

  • Can I find deals for flights from St. Louis to Sioux Falls that include hotel bookings?

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

  • How can I find direct flights from St. Louis to Sioux Falls?

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

  • Can I find deals for business class flights from St. Louis to Sioux Falls?

    Yes. Cheapflights offers flight deals from St. Louis to Sioux Falls 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 St. Louis to Sioux Falls?

    Currently, August is the cheapest month in which you can book a flight from St. Louis to Sioux Falls (average of $197). Flying from St. Louis to Sioux Falls in November is currently the most expensive (average of $514). 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

Traveling to a place near Sioux Falls?

Book flights to Sioux Falls if you plan to visit one of these locations
Marshall

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Alternative routes for St. Louis to Sioux Falls

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from St. Louis to Sioux Falls

Discover the top 3 airlines that operate flights from St. Louis to Sioux Falls. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$213Average$371FlexibilityNo cancel feeOn-time71%
DeltaCheapest$218Average$297FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$253Average$377FlexibilityNo cancel feeOn-time69%

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