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Sioux Falls

$152+ 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 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
STL — FSD
Nov 27 — Dec 41
Thu 11/27
Thu 12/4
1 adult, Economy
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Find 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 October 28, 2025.

This Mytrip deal was found by Cheapflights users on 10/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/127:45 pmSTL - FSD
1 stop17h 43mFrontier
Sun 11/162:18 pmFSD - STL
1 stop18h 49mFrontier
Deal found 10/28$152
This Delta deal was found by Cheapflights users on 10/26. 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.
Thu 12/46:00 amSTL - FSD
1 stop4h 20mDelta
Sat 12/68:01 amFSD - STL
1 stop4h 13mDelta
Deal found 10/26$229
This United Airlines deal was found by Cheapflights users on 10/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/145:24 pmSTL - FSD
1 stop4h 22mUnited Airlines
Tue 11/1811:17 amFSD - STL
1 stop4h 30mUnited Airlines
Deal found 10/26$234
This American Airlines deal was found by Cheapflights users on 10/28. 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.
Wed 11/53:38 pmSTL - FSD
1 stop6h 49mAmerican Airlines
Sat 11/810:59 amFSD - STL
1 stop5h 13mAmerican Airlines
Deal found 10/28$329
This United Airlines deal was found by Cheapflights users on 10/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/41:35 pmSTL - FSD
1 stop6h 46mUnited Airlines
Sat 12/68:00 amFSD - STL
2 stops12h 57mUnited Airlines
Deal found 10/26$373
This United Airlines deal was found by Cheapflights users on 10/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/109:00 amSTL - FSD
1 stop7h 18mUnited Airlines
Fri 11/148:57 amFSD - STL
1 stop27h 42mUnited Airlines
Deal found 10/26$462
This United Airlines deal was found by Cheapflights users on 10/28. 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 11/124:55 pmSTL - FSD
1 stop6h 49mUnited Airlines
Sun 11/168:57 amFSD - STL
1 stop12h 57mUnited Airlines
Deal found 10/28$572

Cheap 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 October 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$152
(Mytrip)

Popular in

October

Cheapest in

February

Average price

$484
Provider with most accurate pricing for Lambert-St Louis-Sioux Falls Joe Foss Field flight deals.
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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. 14% potential increase in price ($58 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
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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 October 28, 2025.
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

Wed 11/12

7:45 pm-1:28 pm

1 stop17h 43m

Sioux Falls Joe Foss Field

Sun 11/16

2:18 pm-9:07 am

1 stop18h 49m

$152

St. LouisSioux Falls

STL - FSD

STLFSD

Lambert-St Louis

Thu 12/4

6:00 am-10:20 am

1 stop4h 20m

Sioux Falls Joe Foss Field

Sat 12/6

8:01 am-12:14 pm

1 stop4h 13m

$229

St. LouisSioux Falls

STL - FSD

STLFSD

Lambert-St Louis

Fri 11/14

5:24 pm-9:46 pm

1 stop4h 22m

Sioux Falls Joe Foss Field

Tue 11/18

11:17 am-3:47 pm

1 stop4h 30m

$234

St. LouisSioux Falls

STL - FSD

STLFSD

Lambert-St Louis

Mon 1/5

5:16 am-12:28 pm

1 stop7h 12m

Sioux Falls Joe Foss Field

Mon 1/12

12:26 pm-10:21 am

1 stop21h 55m

$252

St. LouisSioux Falls

STL - FSD

STLFSD

Lambert-St Louis

Wed 11/5

3:38 pm-10:27 pm

1 stop6h 49m

Sioux Falls Joe Foss Field

Sat 11/8

10:59 am-4:12 pm

1 stop5h 13m

$329

St. LouisSioux Falls

STL - FSD

STLFSD

Lambert-St Louis

Thu 12/4

1:35 pm-8:21 pm

1 stop6h 46m

Sioux Falls Joe Foss Field

Sat 12/6

8:00 am-8:57 pm

2 stops12h 57m

$373

St. LouisSioux Falls

STL - FSD

STLFSD

Lambert-St Louis

Mon 11/10

9:00 am-4:18 pm

1 stop7h 18m

Sioux Falls Joe Foss Field

Fri 11/14

8:57 am-12:39 pm

1 stop27h 42m

$462

St. LouisSioux Falls

STL - FSD

STLFSD

Lambert-St Louis

Mon 1/5

6:35 pm-8:39 pm

2 stops26h 04m

Sioux Falls Joe Foss Field

Mon 1/12

1:40 pm-8:58 pm

1 stop7h 18m

$492

St. LouisSioux Falls

STL - FSD

STLFSD

Lambert-St Louis

Tue 11/25

6:00 am-10:27 am

1 stop4h 27m

$160

St. LouisSioux Falls

STL - FSD

STLFSD

Lambert-St Louis

Tue 11/25

9:50 am-9:15 am

2 stops23h 25m

$197

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Showing 1-10 of 15 results
1
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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 October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on St. Louis-Sioux Falls flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 October is currently the most expensive (average of $312). 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.

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

Find hourly flight availability from St. Louis to Sioux Falls. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 28, 2025.

It’s optimal to fly from St. Louis to Sioux Falls in the evening. By choosing this option you can save up to 75% on the cost of your flight, compared to a flight at noon.

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 October 28, 2025.
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
7,994 reviews

Boarding

8.2

Overall

7.9

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,994 reviews
Delta
7.9
Good
7,994 reviews

Boarding

8.2

Overall

7.9

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
United Airlines
7.4
Good
9,001 reviews
Delta
7.9
Good
7,994 reviews

Boarding

8.2

Overall

7.9

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
American Airlines
7.2
Good
11,032 reviews
Delta
7.9
Good
7,994 reviews

Boarding

8.2

Overall

7.9

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

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 20m. Frontier provides one of the quickest options available for as low as $229. 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 ($245) offers the cheapest pricing from St. Louis to Sioux Falls. American Airlines is 38% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from St. Louis to Sioux Falls one-way?

    The cheapest airlines for a one-way flight from St. Louis to Sioux Falls are American Airlines ($160), Delta ($228), and United Airlines ($348).

  • 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 October is currently the most expensive (average of $312). 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

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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 October 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$213Average$351FlexibilityNo cancel feeOn-time71%
DeltaCheapest$218Average$287FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$245Average$342FlexibilityNo cancel feeOn-time69%

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