$175+ Cheap flights from South Dakota to St. Louis (STL)
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 7/21. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from South Dakota to St. Louis 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 South Dakota to St. Louis
Keep the following information in mind while searching for South Dakota to St. Louis flight deals. Data was last updated junio 16, 2025.
Round-trip from | $259 (United Airlines) |
|---|---|
One-way from | $175 (American Airlines) |
Popular in | December |
Cheapest in | August |
Average price | $319 |
Find flight deals from South Dakota to St. Louis
Cheapest flights from South Dakota to St. LouisExplore the most affordable flight options available from South Dakota to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on junio 16, 2025.
Explore the most affordable flight options available from South Dakota to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on junio 16, 2025.
This United Airlines deal was found by Cheapflights users on 6/16. 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 6/14. 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 American Airlines deal was found by Cheapflights users on 6/15. 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 6/14. 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 United Airlines deal was found by Cheapflights users on 6/14. 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 6/14. 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.
Cheapflights Fare Finder
Customize your flight search to find flights from South Dakota to St. Louis 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 junio 16, 2025.
Use the filters below to find and compare flights from South Dakota to St. Louis that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
Rapid CitySt. Louis
RAP - STL
RAPSTL
Rapid City
mar. 7/1
7:00 am-12:46 pm
1 stop4h 46m
Lambert-St Louis
sáb. 7/5
6:33 am-10:20 am
1 stop4h 47m
Sioux FallsSt. Louis
FSD - STL
FSDSTL
Sioux Falls Joe Foss Field
mar. 7/1
7:23 am-12:51 pm
1 stop5h 28m
Lambert-St Louis
mar. 7/15
8:01 pm-11:59 pm
1 stop3h 58m
Rapid CitySt. Louis
RAP - STL
RAPSTL
Rapid City
mié. 9/17
1:03 pm-9:53 pm
1 stop7h 50m
Lambert-St Louis
dom. 9/21
5:55 am-12:33 pm
1 stop7h 38m
Sioux FallsSt. Louis
FSD - STL
FSDSTL
Sioux Falls Joe Foss Field
vie. 7/11
11:57 am-2:39 pm
2 stops26h 42m
Lambert-St Louis
dom. 7/13
5:15 pm-8:49 pm
3 stops27h 34m
Sioux FallsSt. Louis
FSD - STL
FSDSTL
Sioux Falls Joe Foss Field
mar. 7/1
9:15 am-4:29 pm
1 stop7h 14m
Lambert-St Louis
mar. 7/15
8:15 am-10:00 pm
2 stops13h 45m
Rapid CitySt. Louis
RAP - STL
RAPSTL
Rapid City
vie. 9/12
10:40 am-8:35 pm
2 stops8h 55m
Lambert-St Louis
vie. 9/19
2:18 pm-10:10 pm
2 stops8h 52m
Rapid CitySt. Louis
RAP - STL
RAPSTL
Rapid City
lun. 7/21
6:01 pm-11:51 pm
1 stop4h 50m
Rapid CitySt. Louis
RAP - STL
RAPSTL
Rapid City
dom. 7/20
9:49 pm-12:10 pm
3 stops13h 21m
Sioux FallsSt. Louis
FSD - STL
FSDSTL
Sioux Falls Joe Foss Field
dom. 7/20
6:00 am-10:33 am
1 stop4h 33m
Rapid CitySt. Louis
RAP - STL
RAPSTL
Rapid City
lun. 7/21
8:47 am-4:31 pm
1 stop6h 44m
Best time to book a flight from South Dakota to St. Louis
Have a flexible travel schedule? Discover the best time to fly to St. Louis from South Dakota with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from South Dakota to St. Louis
What is the cheapest month to book a flight from South Dakota to St. Louis?
Currently, August is the cheapest month in which you can book a flight from South Dakota to St. Louis (average of $311). Flying from South Dakota to St. Louis in March is currently the most expensive (average of $356). 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 SD to STL?
Find hourly flight availability from South Dakota to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated junio 16, 2025.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from South Dakota to St. Louis as you normally would.
Rainfall in St. Louis by month
Plan your trip to St. Louis by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.
Temperature in St. Louis by month
Plan your trip to St. Louis by taking into account the average temperature totals by month.
If weather is an important factor for your trip to St. Louis, 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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).
Reviews of airlines servicing St. Louis
Get insights into the airlines that provide service to St. Louis. 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 St. Louis. Reviews last updated junio 16, 2025.
Peruse reviews from past customers who have flown with Delta, United Airlines and American Airlines from South Dakota to St. Louis to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
Entertainment
Overall
Boarding
Food
Comfort
Reviews
Kim,May 2025
PIH - SLC
Crew
Entertainment
Overall
Boarding
Food
Comfort
Reviews
Kim,May 2025
PIH - SLC
Crew
Entertainment
Overall
Boarding
Food
Comfort
Reviews
Kim,May 2025
PIH - SLC
Crew
Entertainment
Overall
Boarding
Food
Comfort
Reviews
Kim,May 2025
PIH - SLC
Related info for your journey
Find useful and relevant information for your journey from South Dakota to St. Louis. 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 South Dakota to St. Louis
See prices for flight routes from nearby airports that may be better suited for you.
Top 3 airlines flying from South Dakota to St. Louis
Discover the top 3 airlines that operate flights from South Dakota to St. Louis. 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 junio 16, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$228 | Average$396 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$228 | Average$313 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$238 | Average$300 | FlexibilityNo cancel fee | On-time71% |