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South Dakota

$111+ 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 10/4. Fares are subject to change and may not be available on all flights or dates of travel.
STL — FSD
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
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 September 11, 2025.

Round-trip from

$186
(Booking.com)

One-way from

$111
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$308
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. 13% potential increase in price ($53 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 11, 2025.

This Booking.com deal was found by Cheapflights users on 9/11. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/27:55 pmSTL - FSD
1 stop18h 14mFrontier
Sun 10/52:54 pmFSD - STL
1 stop18h 12mFrontier
Deal found 9/11$186
This United Airlines deal was found by Cheapflights users on 9/11. 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 9/265:15 amSTL - FSD
1 stop5h 25mUnited Airlines
Tue 9/309:30 amFSD - STL
1 stop7h 02mUnited Airlines
Deal found 9/11$239
This American Airlines deal was found by Cheapflights users on 9/11. 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.
Thu 11/67:58 pmSTL - FSD
1 stop4h 01mAmerican Airlines
Sat 11/87:16 pmFSD - STL
1 stop4h 40mAmerican Airlines
Deal found 9/11$249
This United Airlines deal was found by Cheapflights users on 9/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/131:35 pmSTL - RAP
1 stop4h 35mUnited Airlines
Tue 12/167:00 amRAP - STL
1 stop4h 39mUnited Airlines
Deal found 9/9$249
This Delta deal was found by Cheapflights users on 9/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/205:05 pmSTL - FSD
1 stop5h 39mDelta
Wed 9/245:00 amFSD - STL
1 stop6h 30mDelta
Deal found 9/11$269
This United Airlines deal was found by Cheapflights users on 9/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/124:40 pmSTL - FSD
1 stop7h 00mUnited Airlines
Fri 9/192:08 pmFSD - STL
1 stop6h 38mUnited Airlines
Deal found 9/9$279
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1412:09 pmSTL - FSD
1 stop23h 31mMultiple Airlines
Sun 11/162:23 pmFSD - STL
1 stop18h 44mMultiple Airlines
Deal found 9/9$287
This American Airlines deal was found by Cheapflights users on 9/10. 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 9/256:05 amSTL - FSD
1 stop5h 43mAmerican Airlines
Mon 9/296:00 pmFSD - STL
1 stop5h 48mAmerican Airlines
Deal found 9/10$289
This American Airlines deal was found by Cheapflights users on 9/9. 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 10/248:05 pmSTL - FSD
1 stop15h 56mAmerican Airlines
Fri 10/311:32 pmFSD - STL
1 stop4h 50mAmerican Airlines
Deal found 9/9$293
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2410:59 pmSTL - FSD
2 stops35h 52mMultiple Airlines
Fri 10/312:32 pmFSD - STL
1 stop18h 35mMultiple Airlines
Deal found 9/9$295
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2510:35 amSTL - FSD
2 stops32h 12mMultiple Airlines
Mon 9/292:54 pmFSD - STL
1 stop18h 12mMultiple Airlines
Deal found 9/10$297
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Thu 9/258:00 amSTL - FSD
1 stop6h 37mUnited Airlines
Mon 9/293:12 pmFSD - STL
1 stop4h 30mUnited Airlines
Deal found 9/10$299

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 September 11, 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

Fri 9/26

5:15 am-10:40 am

1 stop5h 25m

Sioux Falls Joe Foss Field

Tue 9/30

9:30 am-4:32 pm

1 stop7h 02m

$239

St. LouisSioux Falls

STL - FSD

STLFSD

Lambert-St Louis

Thu 11/6

7:58 pm-11:59 pm

1 stop4h 01m

Sioux Falls Joe Foss Field

Sat 11/8

7:16 pm-11:56 pm

1 stop4h 40m

$249

St. LouisSioux Falls

STL - FSD

STLFSD

Lambert-St Louis

Sat 9/20

5:05 pm-10:44 pm

1 stop5h 39m

Sioux Falls Joe Foss Field

Wed 9/24

5:00 am-11:30 am

1 stop6h 30m

$269

St. LouisSioux Falls

STL - FSD

STLFSD

Lambert-St Louis

Sat 9/20

6:00 am-10:07 am

1 stop4h 07m

Sioux Falls Joe Foss Field

Tue 9/23

5:00 am-8:37 am

1 stop3h 37m

$269

St. LouisSioux Falls

STL - FSD

STLFSD

Lambert-St Louis

Sat 9/20

5:05 pm-10:44 pm

1 stop5h 39m

Sioux Falls Joe Foss Field

Thu 9/25

5:46 pm-11:09 pm

1 stop5h 23m

$269

St. LouisSioux Falls

STL - FSD

STLFSD

Lambert-St Louis

Thu 9/25

6:05 am-11:48 am

1 stop5h 43m

Sioux Falls Joe Foss Field

Mon 9/29

6:00 pm-11:48 pm

1 stop5h 48m

$289

St. LouisSioux Falls

STL - FSD

STLFSD

Lambert-St Louis

Fri 10/24

8:05 pm-12:01 pm

1 stop15h 56m

Sioux Falls Joe Foss Field

Fri 10/31

1:32 pm-6:22 pm

1 stop4h 50m

$293

St. LouisSioux Falls

STL - FSD

STLFSD

Lambert-St Louis

Fri 10/24

10:59 pm-10:51 am

2 stops35h 52m

Sioux Falls Joe Foss Field

Fri 10/31

2:32 pm-9:07 am

1 stop18h 35m

$295

St. LouisSioux Falls

STL - FSD

STLFSD

Lambert-St Louis

Thu 9/25

10:35 am-6:47 pm

2 stops32h 12m

Sioux Falls Joe Foss Field

Mon 9/29

2:54 pm-9:06 am

1 stop18h 12m

$297

St. LouisSioux Falls

STL - FSD

STLFSD

Lambert-St Louis

Thu 9/25

8:00 am-2:37 pm

1 stop6h 37m

Sioux Falls Joe Foss Field

Mon 9/29

3:12 pm-7:42 pm

1 stop4h 30m

$299

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 34 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 September 11, 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.

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 September 11, 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
7,960 reviews

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

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
7,960 reviews
Delta
8.0
Very good
7,960 reviews

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

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
8,937 reviews
Delta
8.0
Very good
7,960 reviews

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

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
7,960 reviews

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

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.

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

    Airlines like United Airlines, American Airlines, and Delta fly from St. Louis to South Dakota in about 4h 01m. The time it takes to get you to your destination can typically vary by up to 1h 38m. 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.

  • 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 Delta ($126), American Airlines ($185), and United Airlines ($185).

  • 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$213Average$381FlexibilityNo cancel feeOn-time71%
DeltaCheapest$218Average$288FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$245Average$371FlexibilityNo cancel feeOn-time69%

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