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 8/23. Fares are subject to change and may not be available on all flights or dates of travel.
STL — FSD
abr. 27 — may. 41
We work with more than 300 partners to bring you better travel deals

Find cheap flights from St. Louis to South Dakota with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 abril 22, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$229
(Delta)

One-way from

$175
(Delta)

Popular in

October

Cheapest in

February

Average price

$327
Provider with most accurate pricing for Lambert-St Louis-Sioux Falls Joe Foss Field flight deals.
Provider most trusted by Cheapflights users for Lambert-St Louis-Sioux Falls Joe Foss Field flights.
From Lambert-St Louis to South Dakota
One-way flight from Lambert-St Louis to South Dakota
Highest demand for flights based on searches. 13% potential increase in price ($48 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($11 potential savings vs. average RT price).
Average for round-trip flights in April 2025

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 abril 22, 2025.

This Delta deal was found by Cheapflights users on 4/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 5/166:05 pmSTL - FSD
1 stop4h 52mDelta
dom. 5/187:59 pmFSD - STL
1 stop3h 27mDelta
Deal found 4/22$229
This United Airlines deal was found by Cheapflights users on 4/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/65:20 amSTL - FSD
1 stop7h 18mUnited Airlines
mar. 5/276:35 pmFSD - STL
1 stop4h 10mUnited Airlines
Deal found 4/22$234
This American Airlines deal was found by Cheapflights users on 4/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/55:30 amSTL - RAP
1 stop5h 25mAmerican Airlines
sáb. 8/165:57 pmRAP - STL
1 stop4h 52mAmerican Airlines
Deal found 4/21$249
This Delta deal was found by Cheapflights users on 4/21. 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.
mar. 8/52:18 pmSTL - RAP
2 stops8h 38mDelta
sáb. 8/166:20 amRAP - STL
1 stop4h 12mDelta
Deal found 4/21$254
This United Airlines deal was found by Cheapflights users on 4/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 5/85:20 amSTL - RAP
1 stop5h 01mUnited Airlines
lun. 5/125:59 pmRAP - STL
1 stop4h 59mUnited Airlines
Deal found 4/22$259
This American Airlines deal was found by Cheapflights users on 4/22. 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.
vie. 5/165:00 amSTL - FSD
2 stops8h 02mAmerican Airlines
dom. 5/184:10 pmFSD - STL
1 stop6h 05mAmerican Airlines
Deal found 4/22$753

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 abril 22, 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

vie. 5/16

6:05 pm-10:57 pm

1 stop4h 52m

Sioux Falls Joe Foss Field

dom. 5/18

7:59 pm-11:26 pm

1 stop3h 27m

$229

St. LouisSioux Falls

STL - FSD

STLFSD

Lambert-St Louis

mar. 5/6

5:20 am-12:38 pm

1 stop7h 18m

Sioux Falls Joe Foss Field

mar. 5/27

6:35 pm-10:45 pm

1 stop4h 10m

$234

St. LouisRapid City

STL - RAP

STLRAP

Lambert-St Louis

mar. 8/5

5:30 am-9:55 am

1 stop5h 25m

Rapid City

sáb. 8/16

5:57 pm-11:49 pm

1 stop4h 52m

$249

St. LouisRapid City

STL - RAP

STLRAP

Lambert-St Louis

mar. 8/5

2:18 pm-9:56 pm

2 stops8h 38m

Rapid City

sáb. 8/16

6:20 am-11:32 am

1 stop4h 12m

$254

St. LouisRapid City

STL - RAP

STLRAP

Lambert-St Louis

jue. 5/8

5:20 am-9:21 am

1 stop5h 01m

Rapid City

lun. 5/12

5:59 pm-11:58 pm

1 stop4h 59m

$259

St. LouisSioux Falls

STL - FSD

STLFSD

Lambert-St Louis

vie. 5/16

5:00 am-1:02 pm

2 stops8h 02m

Sioux Falls Joe Foss Field

dom. 5/18

4:10 pm-10:15 pm

1 stop6h 05m

$753

St. LouisRapid City

STL - RAP

STLRAP

Lambert-St Louis

sáb. 8/23

6:30 am-10:47 am

1 stop5h 17m

$175

St. LouisRapid City

STL - RAP

STLRAP

Lambert-St Louis

sáb. 8/23

9:17 am-5:02 pm

2 stops8h 45m

$180

St. LouisSioux Falls

STL - FSD

STLFSD

Lambert-St Louis

vie. 6/6

5:20 am-10:26 am

1 stop5h 06m

$310

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/22

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 abril 22, 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.

Rainfall in South Dakota by month

Plan your trip to South Dakota by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in South Dakota ranges from 0.6 - 3.9 inches per month. June is typically the wettest month, when rainfall can reach 3.9 in. January is typically the driest time to visit South Dakota when rainfall is around 0.6 in.

Temperature in South Dakota by month

Plan your trip to South Dakota by taking into account the average temperature totals by month.

If weather is an important factor for your trip to South Dakota, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 15.8 F).

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 abril 22, 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 can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Comfort

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
8.0
Very good
8.0
Very good

Comfort

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
8.0
Very good

Comfort

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
8.0
Very good

Comfort

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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.

  • 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for St. Louis to South Dakota

See prices for flight routes from nearby airports that may be better suited for you.

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 abril 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$198Average$365FlexibilityNo cancel feeOn-time71%
DeltaCheapest$222Average$289FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$245Average$393FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.