$162+ Cheap flights from South Dakota to St. Louis (STL)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/2. Fares are subject to change and may not be available on all flights or dates of travel.
FSD — STL
Nov 24 — Dec 11
Round-trip
1 adult, Economy
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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
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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
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Best
Last-minute
One-way
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 October 25, 2026.
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 October 25, 2026.
This Delta deal was found by Cheapflights users on 10/24. 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 11/205:00 pm -
1 stop6h 22m
Sun 11/2212:28 pm -
1 stop6h 38m
Deal found 10/24![Delta logo]()
$319
This American Airlines deal was found by Cheapflights users on 10/20. 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.
Fri 11/67:18 pm -
1 stop4h 41m
Tue 11/102:54 pm -
1 stop6h 00m
Deal found 10/20![American Airlines logo]()
$334
This Delta deal was found by Cheapflights users on 10/22. 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.
Mon 11/238:31 am -
1 stop6h 10m
Mon 11/3012:28 pm -
1 stop6h 38m
Deal found 10/22![Delta logo]()
$339
This United Airlines deal was found by Cheapflights users on 10/20. 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.
Fri 11/2012:39 pm -
1 stop7h 20m
Fri 11/276:00 am -
1 stop5h 31m
Deal found 10/20![United Airlines logo]()
$339
This United Airlines deal was found by Cheapflights users on 10/20. 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.
Wed 11/46:00 am -
1 stop4h 32m
Sun 11/86:50 pm -
1 stop4h 39m
Deal found 10/20![United Airlines logo]()
$349
This Delta deal was found by Cheapflights users on 10/22. 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.
Fri 12/186:42 am -
1 stop7h 02m
Fri 1/810:30 am -
1 stop6h 16m
Deal found 10/22![Delta logo]()
$359
This United Airlines deal was found by Cheapflights users on 10/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/136:00 am -
1 stop4h 32m
Sun 11/156:50 pm -
1 stop4h 39m
Deal found 10/21![United Airlines logo]()
$362
This United Airlines deal was found by Cheapflights users on 10/20. 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.
Wed 11/47:00 am -
1 stop4h 38m
Sun 11/85:00 am -
1 stop6h 31m
Deal found 10/20![United Airlines logo]()
$369
This Kiwi.com deal was found by Cheapflights users on 10/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/99:28 am -
2 stops27h 53m
Fri 11/131:28 pm -
1 stop8h 13m
Deal found 10/20![Multiple Airlines logo]()
$386
This United Airlines deal was found by Cheapflights users on 10/20. 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 10/297:48 am -
1 stop4h 22m
Sun 11/11:40 pm -
1 stop6h 24m
Deal found 10/20![United Airlines logo]()
$389
This United Airlines deal was found by Cheapflights users on 10/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/239:42 am -
1 stop6h 55m
Sun 10/256:50 pm -
1 stop4h 39m
Deal found 10/21![United Airlines logo]()
$409
This Kiwi.com deal was found by Cheapflights users on 10/24. 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.
Sun 11/82:18 pm -
1 stop22h 15m
Thu 11/122:10 pm -
2 stops18h 28m
Deal found 10/24![Multiple Airlines logo]()
$410
Best flights from South Dakota to St. LouisDiscover carefully curated flight deals from South Dakota to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 25, 2026.
Discover carefully curated flight deals from South Dakota to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 25, 2026.
This Delta deal was found by Cheapflights users on 10/22. 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.
Mon 11/238:31 am -
1 stop6h 10m
Mon 11/3012:28 pm -
1 stop6h 38m
Deal found 10/22![Delta logo]()
$339
This United Airlines deal was found by Cheapflights users on 10/20. 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.
Fri 11/2012:39 pm -
1 stop7h 20m
Fri 11/276:00 am -
1 stop5h 31m
Deal found 10/20![United Airlines logo]()
$339
This American Airlines deal was found by Cheapflights users on 10/24. 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.
Wed 1/276:07 pm -
1 stop5h 25m
Sat 1/3011:34 am -
2 stops9h 20m
Deal found 10/24![American Airlines logo]()
$370
This United Airlines deal was found by Cheapflights users on 10/22. 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.
Sat 11/76:40 pm -
1 stop4h 44m
Wed 11/114:39 pm -
1 stop7h 05m
Deal found 10/22![United Airlines logo]()
$349
This United Airlines deal was found by Cheapflights users on 10/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/136:00 am -
1 stop4h 32m
Sun 11/156:50 pm -
1 stop4h 39m
Deal found 10/21![United Airlines logo]()
$362
This American Airlines deal was found by Cheapflights users on 10/20. 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.
Mon 11/97:18 pm -
1 stop4h 41m
Fri 11/138:15 pm -
1 stop15h 23m
Deal found 10/20![American Airlines logo]()
$437
This United Airlines deal was found by Cheapflights users on 10/20. 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.
Wed 11/47:00 am -
1 stop4h 38m
Sun 11/85:00 am -
1 stop6h 31m
Deal found 10/20![United Airlines logo]()
$369
This United Airlines deal was found by Cheapflights users on 10/20. 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.
Sat 1/99:45 am -
1 stop6h 35m
Tue 1/121:17 pm -
1 stop5h 21m
Deal found 10/20![United Airlines logo]()
$409
This United Airlines deal was found by Cheapflights users on 10/22. 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.
Fri 12/189:47 am -
1 stop6h 13m
Fri 1/88:15 am -
2 stops8h 45m
Deal found 10/22![United Airlines logo]()
$436
This United Airlines deal was found by Cheapflights users on 10/23. 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 1/96:00 am -
1 stop7h 28m
Tue 1/128:52 am -
1 stop5h 14m
Deal found 10/23![United Airlines logo]()
$439
Last-minute flights from South Dakota to St. LouisDiscover last-minute flight deals from South Dakota to St. Louis. Data last updated October 25, 2026 and is based on user searches.
Discover last-minute flight deals from South Dakota to St. Louis. Data last updated October 25, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 10/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/239:42 am -
1 stop6h 55m
Sun 10/256:50 pm -
1 stop4h 39m
Deal found 10/21![United Airlines logo]()
$409
This American Airlines deal was found by Cheapflights users on 10/19. 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.
Fri 10/2312:07 pm -
1 stop4h 46m
Sat 10/2411:31 am -
2 stops8h 20m
Deal found 10/19![American Airlines logo]()
$414
This United Airlines deal was found by Cheapflights users on 10/20. 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 10/297:48 am -
1 stop4h 22m
Sun 11/11:40 pm -
1 stop6h 24m
Deal found 10/20![United Airlines logo]()
$389
This United Airlines deal was found by Cheapflights users on 10/20. 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.
Wed 11/46:00 am -
1 stop4h 32m
Sun 11/86:50 pm -
1 stop4h 39m
Deal found 10/20![United Airlines logo]()
$349
This United Airlines deal was found by Cheapflights users on 10/20. 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.
Wed 11/47:00 am -
1 stop4h 38m
Sun 11/85:00 am -
1 stop6h 31m
Deal found 10/20![United Airlines logo]()
$369
This American Airlines deal was found by Cheapflights users on 10/20. 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.
Fri 11/67:18 pm -
1 stop4h 41m
Tue 11/102:54 pm -
1 stop6h 00m
Deal found 10/20![American Airlines logo]()
$334
This Kiwi.com deal was found by Cheapflights users on 10/24. 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.
Sun 11/82:18 pm -
1 stop22h 15m
Thu 11/122:10 pm -
2 stops18h 28m
Deal found 10/24![Multiple Airlines logo]()
$410
This Kiwi.com deal was found by Cheapflights users on 10/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/99:28 am -
2 stops27h 53m
Fri 11/131:28 pm -
1 stop8h 13m
Deal found 10/20![Multiple Airlines logo]()
$386
This United Airlines deal was found by Cheapflights users on 10/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/136:00 am -
1 stop4h 32m
Sun 11/156:50 pm -
1 stop4h 39m
Deal found 10/21![United Airlines logo]()
$362
This Delta deal was found by Cheapflights users on 10/24. 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 11/205:00 pm -
1 stop6h 22m
Sun 11/2212:28 pm -
1 stop6h 38m
Deal found 10/24![Delta logo]()
$319
This United Airlines deal was found by Cheapflights users on 10/20. 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.
Fri 11/2012:39 pm -
1 stop7h 20m
Fri 11/276:00 am -
1 stop5h 31m
Deal found 10/20![United Airlines logo]()
$339
This Delta deal was found by Cheapflights users on 10/22. 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.
Mon 11/238:31 am -
1 stop6h 10m
Mon 11/3012:28 pm -
1 stop6h 38m
Deal found 10/22![Delta logo]()
$339
One-way flights from South Dakota to St. LouisSearch for one-way flight options from South Dakota to St. Louis. Find affordable one-way fares based on user searches. Data last updated October 25, 2026.
Search for one-way flight options from South Dakota to St. Louis. Find affordable one-way fares based on user searches. Data last updated October 25, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/28:39 pm -
2 stops16h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Multiple Airlines logo]()
$162
This Kiwi.com deal was found by Cheapflights users on 10/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1310:31 pm -
2 stops20h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Multiple Airlines logo]()
$208
This American Airlines deal was found by Cheapflights users on 10/21. 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.
Fri 11/137:18 pm -
1 stop4h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![American Airlines logo]()
$274
This American Airlines deal was found by Cheapflights users on 10/22. 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.
Sat 11/73:26 pm -
1 stop4h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![American Airlines logo]()
$333
This United Airlines deal was found by Cheapflights users on 10/23. 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 12/269:47 am -
1 stop6h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![United Airlines logo]()
$334
This United Airlines deal was found by Cheapflights users on 10/23. 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 11/135:06 pm -
2 stops21h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![United Airlines logo]()
$355
This American Airlines deal was found by Cheapflights users on 10/21. 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.
Mon 11/21:08 pm -
1 stop5h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![American Airlines logo]()
$384
This Kiwi.com deal was found by Cheapflights users on 10/22. 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.
Sat 11/712:00 pm -
3 stops48h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Multiple Airlines logo]()
$392
This United Airlines deal was found by Cheapflights users on 10/22. 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.
Sat 11/75:06 pm -
2 stops21h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![United Airlines logo]()
$524
Find 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 October 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $314 (United Airlines) |
One-way from | $162 (Kiwi.com) |
Popular in | May |
Cheapest in | December |
Average price | $367 |
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 7,457,451 searches. Data last updated October 25, 2026.
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
Cheapest round-trip
Sioux FallsSt. Louis
FSD Sioux Falls Joe Foss Field - STL Lambert-St Louis
FSDSTL
Sioux Falls Joe Foss Field
Mon 11/2
8:39 pm-1:31 pm
2 stops16h 52m
Lambert-St Louis
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$162
Sioux FallsSt. Louis
FSD Sioux Falls Joe Foss Field - STL Lambert-St Louis
FSDSTL
Sioux Falls Joe Foss Field
Fri 11/13
10:31 pm-7:14 pm
2 stops20h 43m
Lambert-St Louis
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$208
Quickest round-trip
Sioux FallsSt. Louis
FSD Sioux Falls Joe Foss Field - STL Lambert-St Louis
FSDSTL
Sioux Falls Joe Foss Field
Fri 11/13
7:18 pm-11:59 pm
1 stop4h 41m
Lambert-St Louis
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$274
Rapid CitySt. Louis
RAP Rapid City - STL Lambert-St Louis
RAPSTL
Rapid City
Sat 12/26
9:47 am-5:00 pm
1 stop6h 13m
Lambert-St Louis
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$334
Sioux FallsSt. Louis
FSD Sioux Falls Joe Foss Field - STL Lambert-St Louis
FSDSTL
Sioux Falls Joe Foss Field
Mon 11/23
8:31 am-2:41 pm
1 stop6h 10m
Lambert-St Louis
Mon 11/30
12:28 pm-7:06 pm
1 stop6h 38m
$339
Rapid CitySt. Louis
RAP Rapid City - STL Lambert-St Louis
RAPSTL
Rapid City
Fri 11/20
12:39 pm-8:59 pm
1 stop7h 20m
Lambert-St Louis
Fri 11/27
6:00 am-10:31 am
1 stop5h 31m
$339
Sioux FallsSt. Louis
FSD Sioux Falls Joe Foss Field - STL Lambert-St Louis
FSDSTL
Sioux Falls Joe Foss Field
Sat 11/7
6:40 pm-11:24 pm
1 stop4h 44m
Lambert-St Louis
Wed 11/11
4:39 pm-11:44 pm
1 stop7h 05m
$349
Sioux FallsSt. Louis
FSD Sioux Falls Joe Foss Field - STL Lambert-St Louis
FSDSTL
Sioux Falls Joe Foss Field
Fri 11/13
5:06 pm-2:34 pm
2 stops21h 28m
Lambert-St Louis
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$355
Sioux FallsSt. Louis
FSD Sioux Falls Joe Foss Field - STL Lambert-St Louis
FSDSTL
Sioux Falls Joe Foss Field
Fri 11/13
6:00 am-10:32 am
1 stop4h 32m
Lambert-St Louis
Sun 11/15
6:50 pm-11:29 pm
1 stop4h 39m
$362
Rapid CitySt. Louis
RAP Rapid City - STL Lambert-St Louis
RAPSTL
Rapid City
Wed 11/4
7:00 am-12:38 pm
1 stop4h 38m
Lambert-St Louis
Sun 11/8
5:00 am-10:31 am
1 stop6h 31m
$369
Showing 1-10 of 16 resultsSorted by cheapest first
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.
FSD-STL
RAP-STL
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 South Dakota to St. Louis
USSD-STL
FSD-STL
RAP-STL
What is the cheapest month to book a flight from South Dakota to St. Louis?
Currently, December 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 June is currently the most expensive (average of $617). 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 South Dakota to St. Louis?
Airfare is below average for this route at the moment.
South Dakota to St. Louis flights typically cost between $392 and $428 in January.The cheapest round-trip price found within the last 5 days was $314 on United Airlines (Jan 27-Jan 30).
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.
Traveling to a place near St. Louis?
Book flights to St. Louis if you plan to visit one of these locationsFairview Heights
O'Fallon
Fenton
Swansea
Eureka
Wentzville
Maryland Heights
Chesterfield
Collinsville
Edwardsville
Glencoe
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South Dakota and St. Louis flights
Browse other South Dakota and St. Louis flight options. Last updated on October 25, 2026.
Popular flight searches
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Other flights to St. Louis
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South Dakota to St. Louis flights
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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 7,457,451 searches. Data last updated October 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$192 | Average$390 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$208 | Average$363 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$243 | Average$363 | FlexibilityNo cancel fee | On-time71% |