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South Dakota

$152+ Cheap flights from St. Louis (STL) to South Dakota

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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Cheap flight deals from St. Louis to South Dakota

Keep the following information in mind while searching for St. Louis to South Dakota flight deals. Data was 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.
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From Lambert-St Louis to South Dakota
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Highest demand for flights based on searches. 14% potential increase in price ($58 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from St. Louis to South Dakota

Cheapest flights from St. Louis to South Dakota
Explore the most affordable flight options available from St. Louis to South Dakota. 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 United Airlines deal was found by Cheapflights users on 10/27. 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.
Tue 11/114:55 pmSTL - RAP
1 stop6h 04mUnited Airlines
Sat 11/153:18 pmRAP - STL
1 stop5h 36mUnited Airlines
Deal found 10/27$259
This Delta deal was found by Cheapflights users on 10/27. 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 11/256:00 amSTL - RAP
1 stop5h 27mDelta
Tue 12/24:25 pmRAP - STL
1 stop6h 04mDelta
Deal found 10/27$274
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.
Tue 10/284:55 pmSTL - RAP
1 stop6h 04mUnited Airlines
Sun 11/210:22 amRAP - STL
1 stop5h 06mUnited Airlines
Deal found 10/26$334
This United Airlines deal was found by Cheapflights users on 10/27. 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 10/311:35 pmSTL - RAP
1 stop6h 08mUnited Airlines
Sun 11/23:18 pmRAP - STL
1 stop5h 36mUnited Airlines
Deal found 10/27$349
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 Kiwi.com deal was found by Cheapflights users on 10/27. 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 11/249:54 pmSTL - RAP
1 stop12h 49mMultiple Airlines
Mon 12/12:03 pmRAP - STL
2 stops31h 30mMultiple Airlines
Deal found 10/27$449
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 10/27. 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 11/249:00 amSTL - RAP
1 stop6h 43mUnited Airlines
Mon 12/17:10 amRAP - STL
1 stop13h 44mUnited Airlines
Deal found 10/27$477

Cheapflights Fare Finder

 
Customize your flight search to find flights from St. Louis to South Dakota 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 South Dakota that are best for you.

Fly from

St. Louis

Fly to

South Dakota

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. LouisRapid City

STL - RAP

STLRAP

Lambert-St Louis

Tue 11/11

4:55 pm-9:59 pm

1 stop6h 04m

Rapid City

Sat 11/15

3:18 pm-9:54 pm

1 stop5h 36m

$259

St. LouisRapid City

STL - RAP

STLRAP

Lambert-St Louis

Tue 11/25

6:00 am-10:27 am

1 stop5h 27m

Rapid City

Tue 12/2

4:25 pm-11:29 pm

1 stop6h 04m

$274

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. LouisRapid City

STL - RAP

STLRAP

Lambert-St Louis

Fri 10/31

1:35 pm-6:43 pm

1 stop6h 08m

Rapid City

Sun 11/2

3:18 pm-9:54 pm

1 stop5h 36m

$349

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. LouisRapid City

STL - RAP

STLRAP

Lambert-St Louis

Mon 11/24

9:54 pm-9:43 am

1 stop12h 49m

Rapid City

Mon 12/1

2:03 pm-10:33 pm

2 stops31h 30m

$449

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Showing 1-10 of 24 results
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Best time to book a flight from St. Louis to South Dakota

Have a flexible travel schedule? Discover the best time to fly to South Dakota 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 South Dakota

What is the cheapest month to book a flight from St. Louis to South Dakota?

Currently, August is the cheapest month in which you can book a flight from St. Louis to South Dakota (average of $197). Flying from St. Louis to South Dakota in October is currently the most expensive (average of $308). 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 SD?

Find hourly flight availability from St. Louis to South Dakota. 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.

When flying from St. Louis to South Dakota, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 62% versus a flight at noon.

How much does it cost to fly round-trip from St. Louis to South Dakota?

Reviews of airlines servicing South Dakota

Get insights into the airlines that provide service to South Dakota. 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 South Dakota. 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 South Dakota to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
7,994 reviews

Boarding

8.2

Entertainment

7.9

Crew

8.5

Comfort

7.9

Overall

7.9

Food

7.3

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

Entertainment

7.9

Crew

8.5

Comfort

7.9

Overall

7.9

Food

7.3

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

Entertainment

7.9

Crew

8.5

Comfort

7.9

Overall

7.9

Food

7.3

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

Entertainment

7.9

Crew

8.5

Comfort

7.9

Overall

7.9

Food

7.3

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 South Dakota. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from St. Louis to South Dakota?

    Lambert-St Louis (STL) is the airport you will fly out of if you book a flight from St. Louis to South Dakota. It is only a 12.7 mi journey to Lambert-St Louis (STL) from St. Louis’s city center.

  • How long is the flight from St. Louis to South Dakota?

    Airlines like Frontier, Delta, and United Airlines fly from St. Louis to South Dakota in about 4h 20m. The time it takes to get you to your destination can typically vary by up to 13h 23m. The distance between St. Louis and South Dakota is about 470 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

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

  • How can I find direct flights from St. Louis to South Dakota?

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

  • Can I find deals for business class flights from St. Louis to South Dakota?

    Yes. Cheapflights offers flight deals from St. Louis to South Dakota 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 South Dakota?

    Currently, August is the cheapest month in which you can book a flight from St. Louis to South Dakota (average of $197). Flying from St. Louis to South Dakota in October is currently the most expensive (average of $308). 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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Alternative routes for St. Louis to South Dakota

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 South Dakota

Discover the top 3 airlines that operate flights from St. Louis to South Dakota. 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$389FlexibilityNo cancel feeOn-time71%
DeltaCheapest$218Average$294FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$245Average$365FlexibilityNo cancel feeOn-time69%

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