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South Dakota

$226+ 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 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
STL — FSD
Aug 23 — Aug 301
Sun 8/23
Sun 8/30
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 July 24, 2026.

This Delta deal was found by Cheapflights users on 7/19. 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.
Wed 11/256:30 am
STL
-
FSD
1 stop5h 41m
Delta
Sun 11/295:15 am
FSD
-
STL
1 stop3h 33m
Delta
Deal found 7/19$280
This American Airlines deal was found by Cheapflights users on 7/20. 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 8/208:07 pm
STL
-
FSD
1 stop4h 23m
American Airlines
Sat 8/2212:57 pm
FSD
-
STL
2 stops11h 01m
American Airlines
Deal found 7/20$285
This American Airlines deal was found by Cheapflights users on 7/22. 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 9/175:43 am
STL
-
FSD
1 stop6h 33m
American Airlines
Mon 9/215:59 pm
FSD
-
STL
1 stop5h 44m
American Airlines
Deal found 7/22$289
This American Airlines deal was found by Cheapflights users on 7/22. 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 8/218:07 pm
STL
-
FSD
1 stop4h 23m
American Airlines
Fri 8/2812:57 pm
FSD
-
STL
1 stop5h 08m
American Airlines
Deal found 7/22$299
This United Airlines deal was found by Cheapflights users on 7/19. 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 8/85:59 pm
STL
-
FSD
1 stop5h 32m
United Airlines
Sun 8/97:35 am
FSD
-
STL
1 stop4h 36m
United Airlines
Deal found 7/19$304
This American Airlines deal was found by Cheapflights users on 7/19. 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.
Sun 9/205:43 am
STL
-
RAP
1 stop5h 04m
American Airlines
Wed 9/304:56 pm
RAP
-
STL
1 stop5h 47m
American Airlines
Deal found 7/19$309
This Delta deal was found by Cheapflights users on 7/20. 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.
Sun 8/165:34 pm
STL
-
FSD
1 stop5h 17m
Delta
Sun 8/235:00 am
FSD
-
STL
1 stop3h 37m
Delta
Deal found 7/20$314
This United Airlines deal was found by Cheapflights users on 7/20. 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 8/65:59 pm
STL
-
FSD
1 stop5h 32m
United Airlines
Sat 8/87:35 am
FSD
-
STL
1 stop4h 36m
United Airlines
Deal found 7/20$319
This Delta deal was found by Cheapflights users on 7/21. 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.
Fri 8/285:34 pm
STL
-
RAP
1 stop6h 03m
Delta
Sat 9/510:46 am
RAP
-
STL
1 stop4h 58m
Delta
Deal found 7/21$319
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 9/178:10 pm
STL
-
FSD
1 stop22h 26m
Frontier
Mon 9/217:31 pm
FSD
-
STL
2 stops14h 09m
Frontier
Deal found 7/22$322
This United Airlines deal was found by Cheapflights users on 7/19. 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 8/55:10 am
STL
-
RAP
1 stop5h 09m
United Airlines
Tue 8/181:31 pm
RAP
-
STL
1 stop7h 29m
United Airlines
Deal found 7/19$324
This United Airlines deal was found by Cheapflights users on 7/19. 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.
Sun 10/115:10 am
STL
-
FSD
1 stop5h 40m
United Airlines
Sun 10/187:50 am
FSD
-
STL
1 stop4h 25m
United Airlines
Deal found 7/19$338

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 July 24, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$280
(Delta)

One-way from

$226
(American Airlines)

Popular in

July

Cheapest in

September

Average price

$529
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. 4% potential increase in price ($19 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
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 July 24, 2026.
Use the filters below to find and compare flights from St. Louis to South Dakota that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisSioux Falls

STL - FSD

STLFSD

Lambert-St Louis

Wed 11/25

6:30 am-12:11 pm

1 stop5h 41m

Sioux Falls Joe Foss Field

Sun 11/29

5:15 am-8:48 am

1 stop3h 33m

$280

St. LouisSioux Falls

STL - FSD

STLFSD

Lambert-St Louis

Fri 8/21

6:00 am-11:42 am

1 stop5h 42m

Sioux Falls Joe Foss Field

Fri 8/28

12:57 pm-12:14 am

2 stops11h 17m

$304

St. LouisSioux Falls

STL - FSD

STLFSD

Lambert-St Louis

Sat 8/8

5:59 pm-11:31 pm

1 stop5h 32m

Sioux Falls Joe Foss Field

Sun 8/9

7:35 am-12:11 pm

1 stop4h 36m

$304

St. LouisRapid City

STL - RAP

STLRAP

Lambert-St Louis

Tue 10/13

1:36 pm-7:18 pm

1 stop6h 42m

Rapid City

Tue 10/20

5:53 pm-11:44 pm

1 stop4h 51m

$309
Quickest round-trip

St. LouisSioux Falls

STL - FSD

STLFSD

Lambert-St Louis

Sun 8/16

5:34 pm-10:51 pm

1 stop5h 17m

Sioux Falls Joe Foss Field

Sun 8/23

5:00 am-8:37 am

1 stop3h 37m

$314

St. LouisRapid City

STL - RAP

STLRAP

Lambert-St Louis

Sun 9/20

5:43 am-9:47 am

1 stop5h 04m

Rapid City

Wed 9/30

12:47 pm-12:27 am

2 stops10h 40m

$314

St. LouisSioux Falls

STL - FSD

STLFSD

Lambert-St Louis

Wed 8/5

7:05 pm-11:31 pm

1 stop4h 26m

Sioux Falls Joe Foss Field

Sun 8/9

7:35 am-12:11 pm

1 stop4h 36m

$319

St. LouisRapid City

STL - RAP

STLRAP

Lambert-St Louis

Fri 8/28

5:34 pm-10:37 pm

1 stop6h 03m

Rapid City

Sat 9/5

10:46 am-4:44 pm

1 stop4h 58m

$319

St. LouisSioux Falls

STL - FSD

STLFSD

Lambert-St Louis

Thu 8/6

5:59 pm-11:31 pm

1 stop5h 32m

Sioux Falls Joe Foss Field

Sat 8/8

7:35 am-12:11 pm

1 stop4h 36m

$319

St. LouisRapid City

STL - RAP

STLRAP

Lambert-St Louis

Wed 8/5

5:10 am-9:19 am

1 stop5h 09m

Rapid City

Tue 8/18

1:31 pm-10:00 pm

1 stop7h 29m

$324

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/21

Showing 1-10 of 29 resultsSorted by cheapest first
1
2
3

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, November is the cheapest month in which you can book a flight from St. Louis to South Dakota (average of $293). Flying from St. Louis to South Dakota in October is currently the most expensive (average of $422). 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.

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

Airfare is below average for this route at the moment.
St. Louis to South Dakota flights typically cost between $430 and $486 in November.
The cheapest round-trip price found within the last 5 days was $280 on Delta (Nov 25-Nov 29).

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 July 24, 2026.
Peruse reviews from past customers who have flown with Delta,United Airlines, andAmerican 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
7.8
Good
8,479 reviews

Boarding

8.1

Entertainment

7.8

Food

7.2

Crew

8.5

Comfort

7.8

Overall

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Delta
7.8
Good
8,479 reviews
Delta
7.8
Good
8,479 reviews

Boarding

8.1

Entertainment

7.8

Food

7.2

Crew

8.5

Comfort

7.8

Overall

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
United Airlines
7.4
Good
10,024 reviews
Delta
7.8
Good
8,479 reviews

Boarding

8.1

Entertainment

7.8

Food

7.2

Crew

8.5

Comfort

7.8

Overall

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
American Airlines
7.1
Good
11,832 reviews
Delta
7.8
Good
8,479 reviews

Boarding

8.1

Entertainment

7.8

Food

7.2

Crew

8.5

Comfort

7.8

Overall

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

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 Delta, American Airlines, and United Airlines fly from St. Louis to South Dakota in about 5h 32m. The time it takes to get you to your destination can typically vary by up to 10m. 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, November is the cheapest month in which you can book a flight from St. Louis to South Dakota (average of $293). Flying from St. Louis to South Dakota in October is currently the most expensive (average of $422). 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 July 24, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$198Average$331FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$248Average$411FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$268Average$387FlexibilityNo cancel feeOn-time69%

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