$181+ 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 6/10. Fares are subject to change and may not be available on all flights or dates of travel.
STL — FSD
May 29 — Jun 51
Round-trip
1 adult, Economy
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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
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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 St. Louis to South Dakota
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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 April 29, 2026.
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 April 29, 2026.
This Delta deal was found by Cheapflights users on 4/27. 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 5/275:36 pm
STL
- FSD
1 stop5h 35m
Delta
Wed 6/35:00 am
FSD
- STL
1 stop5h 32m
Delta
Deal found 4/27![Delta logo]()
$271
This Delta deal was found by Cheapflights users on 4/27. 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.
Thu 5/286:21 am
STL
- FSD
1 stop6h 28m
Delta
Tue 6/210:56 am
FSD
- STL
1 stop5h 50m
Delta
Deal found 4/27![Delta logo]()
$279
This United Airlines deal was found by Cheapflights users on 4/27. 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 7/238:35 pm
STL
- FSD
1 stop4h 31m
United Airlines
Sat 7/256:00 am
FSD
- STL
1 stop6h 07m
United Airlines
Deal found 4/27![United Airlines logo]()
$280
This United Airlines deal was found by Cheapflights users on 4/28. 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 5/225:29 pm
STL
- FSD
1 stop5h 57m
United Airlines
Mon 5/256:51 pm
FSD
- STL
1 stop5h 06m
United Airlines
Deal found 4/28![United Airlines logo]()
$289
This United Airlines deal was found by Cheapflights users on 4/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/237:05 pm
STL
- FSD
1 stop4h 21m
United Airlines
Tue 5/266:00 am
FSD
- STL
1 stop6h 11m
United Airlines
Deal found 4/24![United Airlines logo]()
$290
This Kiwi.com deal was found by Cheapflights users on 4/27. 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.
Tue 5/268:08 pm
STL
- FSD
1 stop22h 25m
Multiple Airlines
Fri 6/58:42 pm
FSD
- STL
2 stops41h 49m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$292
This Delta deal was found by Cheapflights users on 4/27. 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.
Tue 5/265:36 pm
STL
- FSD
1 stop5h 35m
Delta
Wed 6/310:56 am
FSD
- STL
1 stop5h 50m
Delta
Deal found 4/27![Delta logo]()
$297
This Kiwi.com deal was found by Cheapflights users on 4/27. 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.
Tue 5/268:08 pm
STL
- FSD
1 stop22h 25m
Multiple Airlines
Thu 6/46:51 pm
FSD
- STL
1 stop15h 38m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$304
This Delta deal was found by Cheapflights users on 4/27. 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.
Thu 5/285:36 pm
STL
- FSD
1 stop5h 35m
Delta
Fri 6/51:35 pm
FSD
- STL
1 stop3h 11m
Delta
Deal found 4/27![Delta logo]()
$305
This Delta deal was found by Cheapflights users on 4/27. 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 9/186:30 am
STL
- FSD
1 stop5h 58m
Delta
Sat 9/191:20 pm
FSD
- STL
1 stop3h 25m
Delta
Deal found 4/27![Delta logo]()
$310
This American Airlines deal was found by Cheapflights users on 4/24. 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.
Tue 5/125:21 pm
STL
- FSD
1 stop5h 45m
American Airlines
Tue 5/196:00 am
FSD
- STL
1 stop5h 27m
American Airlines
Deal found 4/24![American Airlines logo]()
$314
This Kiwi.com deal was found by Cheapflights users on 4/27. 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.
Tue 5/268:08 pm
STL
- FSD
1 stop22h 25m
Multiple Airlines
Wed 6/33:36 pm
FSD
- STL
2 stops27h 47m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$317
Best flights from St. Louis to South DakotaDiscover carefully curated flight deals from St. Louis to South Dakota that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 29, 2026.
Discover carefully curated flight deals from St. Louis to South Dakota that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 29, 2026.
This Delta deal was found by Cheapflights users on 4/26. 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 9/168:50 am
STL
- FSD
1 stop3h 38m
Delta
Sat 9/191:20 pm
FSD
- STL
1 stop3h 25m
Delta
Deal found 4/26![Delta logo]()
$271
This United Airlines deal was found by Cheapflights users on 4/27. 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 5/275:10 am
STL
- FSD
1 stop5h 28m
United Airlines
Sat 6/67:40 am
FSD
- STL
1 stop4h 27m
United Airlines
Deal found 4/27![United Airlines logo]()
$341
This Delta deal was found by Cheapflights users on 4/27. 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 5/276:21 am
STL
- FSD
1 stop6h 28m
Delta
Fri 6/51:35 pm
FSD
- STL
1 stop3h 11m
Delta
Deal found 4/27![Delta logo]()
$297
This United Airlines deal was found by Cheapflights users on 4/28. 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 5/215:10 am
STL
- FSD
1 stop5h 30m
United Airlines
Mon 5/256:00 am
FSD
- STL
1 stop4h 34m
United Airlines
Deal found 4/28![United Airlines logo]()
$359
This Delta deal was found by Cheapflights users on 4/26. 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 6/85:36 pm
STL
- RAP
1 stop6h 02m
Delta
Mon 6/154:29 pm
RAP
- STL
1 stop5h 54m
Delta
Deal found 4/26![Delta logo]()
$329
This United Airlines deal was found by Cheapflights users on 4/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/178:35 pm
STL
- FSD
1 stop4h 33m
United Airlines
Tue 7/217:40 am
FSD
- STL
1 stop4h 31m
United Airlines
Deal found 4/24![United Airlines logo]()
$360
This Delta deal was found by Cheapflights users on 4/27. 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 6/35:36 pm
STL
- RAP
1 stop5h 48m
Delta
Tue 6/94:29 pm
RAP
- STL
1 stop5h 54m
Delta
Deal found 4/27![Delta logo]()
$329
This United Airlines deal was found by Cheapflights users on 4/28. 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 6/75:10 am
STL
- RAP
1 stop5h 10m
United Airlines
Tue 6/91:35 pm
RAP
- STL
1 stop6h 41m
United Airlines
Deal found 4/28![United Airlines logo]()
$361
This Delta deal was found by Cheapflights users on 4/24. 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.
Wed 5/276:21 am
STL
- RAP
1 stop5h 12m
Delta
Wed 6/34:33 pm
RAP
- STL
1 stop5h 48m
Delta
Deal found 4/24![Delta logo]()
$329
This Delta deal was found by Cheapflights users on 4/27. 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.
Thu 5/285:36 pm
STL
- FSD
1 stop5h 35m
Delta
Mon 6/11:35 pm
FSD
- STL
1 stop19h 11m
Delta
Deal found 4/27![Delta logo]()
$336
This United Airlines deal was found by Cheapflights users on 4/27. 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 5/225:29 pm
STL
- FSD
1 stop5h 57m
United Airlines
Mon 5/256:00 am
FSD
- STL
1 stop6h 11m
United Airlines
Deal found 4/27![United Airlines logo]()
$379
This Delta deal was found by Cheapflights users on 4/27. 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.
Sat 5/305:36 pm
STL
- FSD
1 stop5h 35m
Delta
Thu 6/45:00 am
FSD
- STL
1 stop5h 32m
Delta
Deal found 4/27![Delta logo]()
$351
This Delta deal was found by Cheapflights users on 4/27. 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.
Tue 6/25:36 pm
STL
- RAP
1 stop5h 48m
Delta
Sat 6/64:33 pm
RAP
- STL
1 stop5h 48m
Delta
Deal found 4/27![Delta logo]()
$374
Last-minute flights from St. Louis to South DakotaDiscover last-minute flight deals from St. Louis to South Dakota. Data last updated April 29, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to South Dakota. Data last updated April 29, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 4/24. 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.
Tue 5/125:21 pm
STL
- FSD
1 stop5h 45m
American Airlines
Tue 5/196:00 am
FSD
- STL
1 stop5h 27m
American Airlines
Deal found 4/24![American Airlines logo]()
$314
This Delta deal was found by Cheapflights users on 4/27. 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.
Tue 5/1211:25 am
STL
- FSD
1 stop4h 11m
Delta
Sat 5/166:50 am
FSD
- STL
1 stop3h 42m
Delta
Deal found 4/27![Delta logo]()
$319
This United Airlines deal was found by Cheapflights users on 4/28. 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 5/225:29 pm
STL
- FSD
1 stop5h 57m
United Airlines
Mon 5/256:51 pm
FSD
- STL
1 stop5h 06m
United Airlines
Deal found 4/28![United Airlines logo]()
$289
This United Airlines deal was found by Cheapflights users on 4/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/237:05 pm
STL
- FSD
1 stop4h 21m
United Airlines
Tue 5/266:00 am
FSD
- STL
1 stop6h 11m
United Airlines
Deal found 4/24![United Airlines logo]()
$290
This Kiwi.com deal was found by Cheapflights users on 4/27. 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.
Tue 5/268:08 pm
STL
- FSD
1 stop22h 25m
Multiple Airlines
Fri 6/58:42 pm
FSD
- STL
2 stops41h 49m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$292
This Delta deal was found by Cheapflights users on 4/27. 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.
Tue 5/265:36 pm
STL
- FSD
1 stop5h 35m
Delta
Wed 6/310:56 am
FSD
- STL
1 stop5h 50m
Delta
Deal found 4/27![Delta logo]()
$297
This Kiwi.com deal was found by Cheapflights users on 4/27. 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.
Tue 5/268:08 pm
STL
- FSD
1 stop22h 25m
Multiple Airlines
Thu 6/46:51 pm
FSD
- STL
1 stop15h 38m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$304
This Kiwi.com deal was found by Cheapflights users on 4/27. 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.
Tue 5/268:08 pm
STL
- FSD
1 stop22h 25m
Multiple Airlines
Wed 6/33:36 pm
FSD
- STL
2 stops27h 47m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$317
This Kiwi.com deal was found by Cheapflights users on 4/27. 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.
Tue 5/268:08 pm
STL
- FSD
1 stop22h 25m
Frontier
Mon 6/14:25 pm
FSD
- STL
1 stop26h 58m
Frontier
Deal found 4/27![Frontier logo]()
$318
This Delta deal was found by Cheapflights users on 4/27. 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 5/275:36 pm
STL
- FSD
1 stop5h 35m
Delta
Wed 6/35:00 am
FSD
- STL
1 stop5h 32m
Delta
Deal found 4/27![Delta logo]()
$271
This Delta deal was found by Cheapflights users on 4/27. 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.
Thu 5/286:21 am
STL
- FSD
1 stop6h 28m
Delta
Tue 6/210:56 am
FSD
- STL
1 stop5h 50m
Delta
Deal found 4/27![Delta logo]()
$279
This Delta deal was found by Cheapflights users on 4/27. 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.
Thu 5/285:36 pm
STL
- FSD
1 stop5h 35m
Delta
Fri 6/51:35 pm
FSD
- STL
1 stop3h 11m
Delta
Deal found 4/27![Delta logo]()
$305
One-way flights from St. Louis to South DakotaSearch for one-way flight options from St. Louis to South Dakota. Find affordable one-way fares based on user searches. Data last updated April 29, 2026.
Search for one-way flight options from St. Louis to South Dakota. Find affordable one-way fares based on user searches. Data last updated April 29, 2026.
This American Airlines deal was found by Cheapflights users on 4/28. 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 6/105:29 am
STL
- RAP
1 stop5h 20m
American Airlines
Deal found 4/28![American Airlines logo]()
$181
This Delta deal was found by Cheapflights users on 4/24. 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.
Sat 8/86:30 am
STL
- RAP
1 stop8h 05m
Delta
Deal found 4/24![Delta logo]()
$212
This Kiwi.com deal was found by Cheapflights users on 4/26. 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 7/27:03 pm
STL
- FSD
2 stops41h 09m
Multiple Airlines
Deal found 4/26![Multiple Airlines logo]()
$236
This Kiwi.com deal was found by Cheapflights users on 4/28. 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.
Wed 6/107:04 pm
STL
- RAP
2 stops27h 00m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$246
This Kiwi.com deal was found by Cheapflights users on 4/24. 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.
Sat 8/83:34 pm
STL
- RAP
2 stops30h 42m
Multiple Airlines
Deal found 4/24![Multiple Airlines logo]()
$251
This American Airlines deal was found by Cheapflights users on 4/28. 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 7/26:55 am
STL
- FSD
1 stop4h 46m
American Airlines
Deal found 4/28![American Airlines logo]()
$259
This United Airlines deal was found by Cheapflights users on 4/26. 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 7/28:35 pm
STL
- FSD
1 stop4h 31m
United Airlines
Deal found 4/26![United Airlines logo]()
$268
This Delta deal was found by Cheapflights users on 4/27. 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 5/225:36 pm
STL
- FSD
1 stop5h 35m
Delta
Deal found 4/27![Delta logo]()
$269
This Kiwi.com deal was found by Cheapflights users on 4/24. 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.
Fri 5/227:20 pm
STL
- FSD
3 stops46h 52m
Multiple Airlines
Deal found 4/24![Multiple Airlines logo]()
$273
This Kiwi.com deal was found by Cheapflights users on 4/25. 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 5/38:06 pm
STL
- FSD
1 stop23h 05m
Frontier
Deal found 4/25![Frontier logo]()
$312
This Kiwi.com deal was found by Cheapflights users on 4/25. 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 5/38:06 pm
STL
- FSD
3 stops21h 15m
Multiple Airlines
Deal found 4/25![Multiple Airlines logo]()
$368
This United Airlines deal was found by Cheapflights users on 4/26. 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 9/25:10 am
STL
- FSD
1 stop5h 33m
United Airlines
Deal found 4/26![United Airlines logo]()
$399
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 April 29, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $271 (Delta) |
One-way from | $181 (American Airlines) |
Popular in | November |
Cheapest in | May |
Average price | $421 |
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 April 29, 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
Cheapest round-trip
Quickest round-trip
St. LouisSioux Falls
STL - FSD
STLFSD
Lambert-St Louis
Wed 9/16
8:50 am-12:28 pm
1 stop3h 38m
Sioux Falls Joe Foss Field
Sat 9/19
1:20 pm-4:45 pm
1 stop3h 25m
$271
St. LouisSioux Falls
STL - FSD
STLFSD
Lambert-St Louis
Wed 5/27
6:21 am-12:49 pm
1 stop6h 28m
Sioux Falls Joe Foss Field
Fri 6/5
1:35 pm-4:46 pm
1 stop3h 11m
$297
St. LouisRapid City
STL - RAP
STLRAP
Lambert-St Louis
Mon 6/8
5:36 pm-10:38 pm
1 stop6h 02m
Rapid City
Mon 6/15
4:29 pm-11:23 pm
1 stop5h 54m
$329
St. LouisRapid City
STL - RAP
STLRAP
Lambert-St Louis
Wed 6/3
5:36 pm-10:24 pm
1 stop5h 48m
Rapid City
Tue 6/9
4:29 pm-11:23 pm
1 stop5h 54m
$329
St. LouisRapid City
STL - RAP
STLRAP
Lambert-St Louis
Wed 5/27
6:21 am-10:33 am
1 stop5h 12m
Rapid City
Wed 6/3
4:33 pm-11:21 pm
1 stop5h 48m
$329
St. LouisSioux Falls
STL - FSD
STLFSD
Lambert-St Louis
Thu 5/28
5:36 pm-11:11 pm
1 stop5h 35m
Sioux Falls Joe Foss Field
Mon 6/1
1:35 pm-8:46 am
1 stop19h 11m
$336
St. LouisSioux Falls
STL - FSD
STLFSD
Lambert-St Louis
Wed 5/27
5:10 am-10:38 am
1 stop5h 28m
Sioux Falls Joe Foss Field
Sat 6/6
7:40 am-12:07 pm
1 stop4h 27m
$341
St. LouisSioux Falls
STL - FSD
STLFSD
Lambert-St Louis
Sat 5/30
5:36 pm-11:11 pm
1 stop5h 35m
Sioux Falls Joe Foss Field
Thu 6/4
5:00 am-10:32 am
1 stop5h 32m
$351
St. LouisSioux Falls
STL - FSD
STLFSD
Lambert-St Louis
Thu 5/21
5:10 am-10:40 am
1 stop5h 30m
Sioux Falls Joe Foss Field
Mon 5/25
6:00 am-10:34 am
1 stop4h 34m
$359
St. LouisSioux Falls
STL - FSD
STLFSD
Lambert-St Louis
Fri 7/17
8:35 pm-1:08 am
1 stop4h 33m
Sioux Falls Joe Foss Field
Tue 7/21
7:40 am-12:11 pm
1 stop4h 31m
$360
Showing 1-10 of 24 resultsSorted by cheapest first
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.
STL-FSD
STL-RAP
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
STL-USSD
STL-FSD
STL-RAP
How far ahead should I book a flight from St. Louis to South Dakota?
To ensure you get the cheapest price possible for a flight from St. Louis to South Dakota, you should look to book at least 17 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from St. Louis to South Dakota?
Currently, August is the cheapest month in which you can book a flight from St. Louis to South Dakota (average of $195). Flying from St. Louis to South Dakota in January is currently the most expensive (average of $309). 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?
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 April 29, 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.
Crew
8.5
Entertainment
7.8
Food
7.2
Overall
7.9
Comfort
7.9
Boarding
8.1
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Crew
8.5
Entertainment
7.8
Food
7.2
Overall
7.9
Comfort
7.9
Boarding
8.1
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Crew
8.5
Entertainment
7.8
Food
7.2
Overall
7.9
Comfort
7.9
Boarding
8.1
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Crew
8.5
Entertainment
7.8
Food
7.2
Overall
7.9
Comfort
7.9
Boarding
8.1
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
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.
Complete your trip
Complete your trip to South Dakota by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from St. Louis to South Dakota by cabin class
Find flights from St. Louis to South Dakota, based on your preferred cabin class, be it economy, premium economy, business, or first class.
St. Louis and South Dakota flights
Browse other St. Louis and South Dakota flight options. Last updated on April 29, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
St. Louis to South Dakota flights
Consider these flights traveling from St. Louis to South Dakota.
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 April 29, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$216 | Average$343 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$242 | Average$389 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$248 | Average$409 | FlexibilityNo cancel fee | On-time71% |