$170+ 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 7/6. Fares are subject to change and may not be available on all flights or dates of travel.
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 June 12, 2025.
Round-trip from | $229 (Delta) |
|---|---|
One-way from | $170 (Mytrip) |
Popular in | June |
Cheapest in | February |
Average price | $437 |
Find flight deals from St. Louis to South Dakota
Cheapest flights from St. Louis to South DakotaExplore 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 June 12, 2025.
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 June 12, 2025.
This Delta deal was found by Cheapflights users on 6/11. 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.
This United Airlines deal was found by Cheapflights users on 6/10. 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.
This Delta deal was found by Cheapflights users on 6/10. 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.
This American Airlines deal was found by Cheapflights users on 6/10. 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.
This United Airlines deal was found by Cheapflights users on 6/10. 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.
This American Airlines deal was found by Cheapflights users on 6/11. 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.
This Mytrip deal was found by Cheapflights users on 6/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Mytrip deal was found by Cheapflights users on 6/10. 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.
This FlightHub deal was found by Cheapflights users on 6/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight 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 June 12, 2025.
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
St. LouisSioux Falls
STL - FSD
STLFSD
Lambert-St Louis
Wed 8/13
8:46 am-12:15 pm
1 stop3h 29m
Sioux Falls Joe Foss Field
Tue 8/19
5:00 am-10:37 am
1 stop5h 37m
St. LouisRapid City
STL - RAP
STLRAP
Lambert-St Louis
Wed 8/6
5:00 am-10:20 am
1 stop6h 20m
Rapid City
Sat 8/30
11:18 am-4:33 pm
1 stop4h 15m
St. LouisRapid City
STL - RAP
STLRAP
Lambert-St Louis
Wed 8/6
5:37 pm-10:31 pm
1 stop5h 54m
Rapid City
Sat 8/30
10:55 am-9:55 pm
2 stops10h 00m
St. LouisRapid City
STL - RAP
STLRAP
Lambert-St Louis
Thu 8/14
7:23 am-5:42 pm
1 stop11h 19m
Rapid City
Tue 8/19
6:04 pm-1:12 pm
1 stop18h 08m
St. LouisSioux Falls
STL - FSD
STLFSD
Lambert-St Louis
Fri 8/29
7:59 pm-12:28 am
1 stop4h 29m
Sioux Falls Joe Foss Field
Sun 8/31
5:15 pm-11:03 pm
1 stop5h 48m
St. LouisSioux Falls
STL - FSD
STLFSD
Lambert-St Louis
Fri 7/11
9:50 am-7:16 pm
2 stops9h 26m
Sioux Falls Joe Foss Field
Mon 7/14
8:06 pm-6:41 pm
2 stops22h 35m
St. LouisRapid City
STL - RAP
STLRAP
Lambert-St Louis
Thu 7/10
10:47 am-4:09 pm
2 stops30h 22m
Rapid City
Thu 7/17
9:59 pm-9:52 am
2 stops10h 53m
St. LouisSioux Falls
STL - FSD
STLFSD
Lambert-St Louis
Thu 7/10
8:44 pm-6:37 pm
2 stops21h 53m
Sioux Falls Joe Foss Field
Thu 7/17
2:57 pm-9:11 am
1 stop18h 14m
St. LouisSioux Falls
STL - FSD
STLFSD
Lambert-St Louis
Fri 7/4
1:42 pm-8:20 pm
1 stop6h 38m
Sioux Falls Joe Foss Field
Mon 7/7
8:00 am-12:27 pm
1 stop4h 27m
St. LouisRapid City
STL - RAP
STLRAP
Lambert-St Louis
Sun 7/6
6:36 pm-4:27 pm
2 stops22h 51m
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.
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 June 12, 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 June 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 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.
Food
Boarding
Entertainment
Overall
Comfort
Crew
Reviews
Kim,May 2025
PIH - SLC
Food
Boarding
Entertainment
Overall
Comfort
Crew
Reviews
Kim,May 2025
PIH - SLC
Food
Boarding
Entertainment
Overall
Comfort
Crew
Reviews
Kim,May 2025
PIH - SLC
Food
Boarding
Entertainment
Overall
Comfort
Crew
Reviews
Kim,May 2025
PIH - SLC
Food
Boarding
Entertainment
Overall
Comfort
Crew
Reviews
Kim,May 2025
PIH - SLC
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.
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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.
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 June 12, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$198 | Average$342 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$228 | Average$299 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$242 | Average$378 | FlexibilityNo cancel fee | On-time69% |