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South Dakota

$180+ Cheap flights from St. Louis (STL) to South Dakota

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/24. Fares are subject to change and may not be available on all flights or dates of travel.
STL — FSD
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap 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 December 12, 2025.

This Delta deal was found by Cheapflights users on 12/10. 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 12/256:05 amSTL - FSD
1 stop6h 28mDelta
Mon 12/294:25 pmFSD - STL
1 stop5h 51mDelta
Deal found 12/10$274
This United Airlines deal was found by Cheapflights users on 12/11. 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 12/121:00 pmSTL - FSD
1 stop4h 33mUnited Airlines
Thu 12/183:08 pmFSD - STL
1 stop7h 35mUnited Airlines
Deal found 12/11$309
This American Airlines deal was found by Cheapflights users on 12/11. 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 12/278:01 pmSTL - FSD
1 stop3h 58mAmerican Airlines
Mon 12/297:29 pmFSD - STL
1 stop4h 15mAmerican Airlines
Deal found 12/11$369
This American Airlines deal was found by Cheapflights users on 12/10. 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 12/252:04 pmSTL - FSD
2 stops20h 07mAmerican Airlines
Mon 12/297:29 pmFSD - STL
1 stop4h 15mAmerican Airlines
Deal found 12/10$426
This Delta deal was found by Cheapflights users on 12/10. 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.
Sat 12/2011:59 amSTL - RAP
1 stop4h 35mDelta
Thu 1/14:14 pmRAP - STL
1 stop5h 02mDelta
Deal found 12/10$525
This American Airlines deal was found by Cheapflights users on 12/10. 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.
Fri 12/268:01 pmSTL - FSD
1 stop3h 58mAmerican Airlines
Sun 12/287:29 pmFSD - STL
1 stop4h 15mAmerican Airlines
Deal found 12/10$543
This United Airlines deal was found by Cheapflights users on 12/10. 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 12/316:35 pmSTL - RAP
1 stop16h 55mUnited Airlines
Fri 1/28:45 amRAP - STL
1 stop12h 37mUnited Airlines
Deal found 12/10$599
This Mytrip deal was found by Cheapflights users on 12/10. 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.
Thu 12/2511:51 amSTL - FSD
2 stops22h 01mMultiple Airlines
Mon 12/2910:42 amFSD - STL
2 stops7h 54mMultiple Airlines
Deal found 12/10$615
This American Airlines deal was found by Cheapflights users on 12/9. 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.
Fri 12/197:00 amSTL - RAP
1 stop7h 50mAmerican Airlines
Mon 12/222:20 pmRAP - STL
1 stop7h 36mAmerican Airlines
Deal found 12/9$690
This United Airlines deal was found by Cheapflights users on 12/11. 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.
Sat 12/202:45 pmSTL - RAP
1 stop5h 27mUnited Airlines
Thu 1/17:00 amRAP - STL
1 stop5h 20mUnited Airlines
Deal found 12/11$715
This Kiwi.com deal was found by Cheapflights users on 12/11. 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.
Sat 12/2710:10 pmSTL - FSD
1 stop13h 40mMultiple Airlines
Mon 12/2910:42 amFSD - STL
2 stops7h 54mMultiple Airlines
Deal found 12/11$724
This American Airlines deal was found by Cheapflights users on 12/11. 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.
Fri 12/121:20 pmSTL - FSD
1 stop7h 49mAmerican Airlines
Thu 12/187:11 amFSD - STL
2 stops12h 19mAmerican Airlines
Deal found 12/11$739

Find 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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$249
(American Airlines)

One-way from

$180
(Delta)

Popular in

November

Cheapest in

February

Average price

$343
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 South Dakota
Search Deals
One-way flight from Lambert-St Louis to South Dakota
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($73 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 December 2025
Search Deals

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 December 12, 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

Mon 1/5

2:06 pm-6:59 pm

1 stop4h 53m

Sioux Falls Joe Foss Field

Mon 1/12

5:35 pm-10:59 pm

1 stop5h 24m

$264

St. LouisRapid City

STL - RAP

STLRAP

Lambert-St Louis

Thu 2/5

6:10 am-10:11 am

1 stop5h 01m

Rapid City

Sun 3/1

4:26 pm-11:23 pm

1 stop5h 57m

$264

St. LouisRapid City

STL - RAP

STLRAP

Lambert-St Louis

Sun 2/8

6:10 am-10:11 am

1 stop5h 01m

Rapid City

Sun 3/1

4:26 pm-11:23 pm

1 stop5h 57m

$264

St. LouisRapid City

STL - RAP

STLRAP

Lambert-St Louis

Tue 2/10

11:23 am-3:25 pm

1 stop5h 02m

Rapid City

Sun 3/1

4:26 pm-11:23 pm

1 stop5h 57m

$264

St. LouisRapid City

STL - RAP

STLRAP

Lambert-St Louis

Fri 2/6

6:35 am-3:25 pm

2 stops9h 50m

Rapid City

Sun 3/1

4:26 pm-11:23 pm

1 stop5h 57m

$269

St. LouisRapid City

STL - RAP

STLRAP

Lambert-St Louis

Wed 2/4

6:35 am-3:25 pm

2 stops9h 50m

Rapid City

Sun 3/1

4:26 pm-11:23 pm

1 stop5h 57m

$269

St. LouisSioux Falls

STL - FSD

STLFSD

Lambert-St Louis

Thu 12/25

6:05 am-12:33 pm

1 stop6h 28m

Sioux Falls Joe Foss Field

Mon 12/29

4:25 pm-10:16 pm

1 stop5h 51m

$274

St. LouisRapid City

STL - RAP

STLRAP

Lambert-St Louis

Sat 2/7

11:23 am-3:25 pm

1 stop5h 02m

Rapid City

Sun 3/1

4:26 pm-11:23 pm

1 stop5h 57m

$294

St. LouisRapid City

STL - RAP

STLRAP

Lambert-St Louis

Sat 2/7

8:45 am-1:12 pm

1 stop5h 27m

Rapid City

Sun 3/1

2:52 pm-8:26 pm

1 stop4h 34m

$317

St. LouisRapid City

STL - RAP

STLRAP

Lambert-St Louis

Tue 1/6

4:15 pm-8:32 pm

1 stop5h 17m

Rapid City

Sat 1/10

2:40 pm-8:58 pm

1 stop5h 18m

$319

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Showing 1-10 of 30 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 $298). 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 December 12, 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 December 12, 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
8,008 reviews

Comfort

7.9

Boarding

8.1

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

7.9

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
8,008 reviews
Delta
7.9
Good
8,008 reviews

Comfort

7.9

Boarding

8.1

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

7.9

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
9,095 reviews
Delta
7.9
Good
8,008 reviews

Comfort

7.9

Boarding

8.1

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

7.9

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
11,050 reviews
Delta
7.9
Good
8,008 reviews

Comfort

7.9

Boarding

8.1

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

7.9

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 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 American Airlines and Delta fly from St. Louis to South Dakota in about 4h 53m. The time it takes to get you to your destination can typically vary by up to 08m. 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 $298). 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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$213Average$392FlexibilityNo cancel feeOn-time71%
DeltaCheapest$218Average$302FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$253Average$369FlexibilityNo cancel feeOn-time69%

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