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South Dakota

$175+ 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 9/14. Fares are subject to change and may not be available on all flights or dates of travel.
STL — FSD
ago. 4 — ago. 111
lun. 8/4
lun. 8/11
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 julio 30, 2025.

Round-trip from

$205
(FlightHub)

One-way from

$175
(American Airlines)

Popular in

July

Cheapest in

February

Average price

$462
From Lambert-St Louis to South Dakota
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One-way flight from Lambert-St Louis to South Dakota
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Highest demand for flights based on searches. 13% potential increase in price ($53 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in July 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 julio 30, 2025.

This FlightHub deal was found by Cheapflights users on 7/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/237:52 pmSTL - FSD
1 stop17h 38mFrontier
dom. 10/262:15 pmFSD - STL
1 stop18h 52mFrontier
Deal found 7/30$205
This Delta deal was found by Cheapflights users on 7/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/257:03 pmSTL - FSD
1 stop4h 43mDelta
lun. 9/15:00 amFSD - STL
1 stop3h 36mDelta
Deal found 7/28$229
This American Airlines deal was found by Cheapflights users on 7/28. 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.
mar. 8/126:06 amSTL - FSD
1 stop6h 11mAmerican Airlines
sáb. 8/166:03 pmFSD - STL
1 stop5h 21mAmerican Airlines
Deal found 7/28$239
This Delta deal was found by Cheapflights users on 7/29. 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.
vie. 10/246:00 amSTL - RAP
1 stop4h 53mDelta
lun. 10/274:34 pmRAP - STL
1 stop5h 27mDelta
Deal found 7/29$249
This United Airlines deal was found by Cheapflights users on 7/29. 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.
sáb. 9/2712:25 pmSTL - RAP
2 stops7h 15mUnited Airlines
mar. 9/305:50 pmRAP - STL
1 stop5h 08mUnited Airlines
Deal found 7/29$254
This United Airlines deal was found by Cheapflights users on 7/28. 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.
vie. 8/295:30 pmSTL - FSD
1 stop4h 42mUnited Airlines
dom. 8/318:00 amFSD - STL
1 stop6h 33mUnited Airlines
Deal found 7/28$269
This American Airlines deal was found by Cheapflights users on 7/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/215:27 amSTL - RAP
1 stop6h 09mAmerican Airlines
dom. 8/246:12 pmRAP - STL
1 stop4h 39mAmerican Airlines
Deal found 7/27$274
This Mytrip deal was found by Cheapflights users on 7/28. 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.
lun. 8/259:50 amSTL - FSD
2 stops9h 31mMultiple Airlines
lun. 9/19:28 amFSD - STL
2 stops9h 08mMultiple Airlines
Deal found 7/28$426
This Mytrip deal was found by Cheapflights users on 7/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/212:30 pmSTL - RAP
3 stops26h 46mMultiple Airlines
dom. 8/248:30 pmRAP - STL
3 stops16h 02mMultiple Airlines
Deal found 7/27$464

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 julio 30, 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

jue. 10/23

7:52 pm-1:30 pm

1 stop17h 38m

Sioux Falls Joe Foss Field

dom. 10/26

2:15 pm-9:07 am

1 stop18h 52m

$205

St. LouisSioux Falls

STL - FSD

STLFSD

Lambert-St Louis

lun. 8/25

7:03 pm-11:46 pm

1 stop4h 43m

Sioux Falls Joe Foss Field

lun. 9/1

5:00 am-8:36 am

1 stop3h 36m

$229

St. LouisSioux Falls

STL - FSD

STLFSD

Lambert-St Louis

mar. 8/12

6:06 am-12:17 pm

1 stop6h 11m

Sioux Falls Joe Foss Field

sáb. 8/16

6:03 pm-11:24 pm

1 stop5h 21m

$239

St. LouisRapid City

STL - RAP

STLRAP

Lambert-St Louis

vie. 10/24

6:00 am-9:53 am

1 stop4h 53m

Rapid City

lun. 10/27

4:34 pm-11:01 pm

1 stop5h 27m

$249

St. LouisRapid City

STL - RAP

STLRAP

Lambert-St Louis

sáb. 9/27

12:25 pm-6:40 pm

2 stops7h 15m

Rapid City

mar. 9/30

5:50 pm-11:58 pm

1 stop5h 08m

$254

St. LouisSioux Falls

STL - FSD

STLFSD

Lambert-St Louis

vie. 8/29

5:30 pm-10:12 pm

1 stop4h 42m

Sioux Falls Joe Foss Field

dom. 8/31

8:00 am-2:33 pm

1 stop6h 33m

$269

St. LouisRapid City

STL - RAP

STLRAP

Lambert-St Louis

jue. 8/21

5:27 am-10:36 am

1 stop6h 09m

Rapid City

dom. 8/24

6:12 pm-11:51 pm

1 stop4h 39m

$274

St. LouisSioux Falls

STL - FSD

STLFSD

Lambert-St Louis

lun. 8/25

9:50 am-7:21 pm

2 stops9h 31m

Sioux Falls Joe Foss Field

lun. 9/1

9:28 am-6:36 pm

2 stops9h 08m

$426

St. LouisRapid City

STL - RAP

STLRAP

Lambert-St Louis

jue. 8/21

2:30 pm-4:16 pm

3 stops26h 46m

Rapid City

dom. 8/24

8:30 pm-1:32 pm

3 stops16h 02m

$464

St. LouisRapid City

STL - RAP

STLRAP

Lambert-St Louis

dom. 9/14

5:27 am-11:22 am

1 stop6h 55m

$175

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Showing 1-10 of 14 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, September is the cheapest month in which you can book a flight from St. Louis to South Dakota (average of $334). Flying from St. Louis to South Dakota in December is currently the most expensive (average of $446). 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 julio 30, 2025.

When flying from St. Louis to South Dakota, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 julio 30, 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
8.0
Very good
7,980 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

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

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

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
8,896 reviews
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

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

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

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!
Frontier
5.9
Fair
3,237 reviews
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

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

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.

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

    The cheapest airlines for a one-way flight from St. Louis to South Dakota are American Airlines ($175), Delta ($180), and United Airlines ($249).

  • 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, September is the cheapest month in which you can book a flight from St. Louis to South Dakota (average of $334). Flying from St. Louis to South Dakota in December is currently the most expensive (average of $446). 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 julio 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$213Average$365FlexibilityNo cancel feeOn-time71%
DeltaCheapest$228Average$289FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$245Average$374FlexibilityNo cancel feeOn-time69%

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