$126+ 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 7/8. Fares are subject to change and may not be available on all flights or dates of travel.
FSD — STL
Jul 20 — Jul 271
Round-trip
1 adult, Economy
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Find cheap flights from South Dakota to St. Louis with Cheapflights
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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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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 June 20, 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 June 20, 2026.
This Booking.com deal was found by Cheapflights users on 6/17. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/158:08 pm
FSD
- STL
1 stop23h 15m
Frontier
Tue 7/218:08 pm
STL
- FSD
1 stop23h 15m
Frontier
Deal found 6/17![Frontier logo]()
$242
This American Airlines deal was found by Cheapflights users on 6/20. 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.
Tue 7/215:34 pm
FSD
- STL
1 stop6h 24m
American Airlines
Tue 7/285:58 pm
STL
- FSD
1 stop6h 20m
American Airlines
Deal found 6/20![American Airlines logo]()
$271
This American Airlines deal was found by Cheapflights users on 6/20. 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.
Tue 7/145:34 pm
FSD
- STL
1 stop6h 24m
American Airlines
Tue 7/219:44 am
STL
- FSD
1 stop7h 10m
American Airlines
Deal found 6/20![American Airlines logo]()
$280
This United Airlines deal was found by Cheapflights users on 6/17. 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 7/31:18 pm
FSD
- STL
1 stop7h 25m
United Airlines
Sat 7/187:05 pm
STL
- FSD
1 stop4h 26m
United Airlines
Deal found 6/17![United Airlines logo]()
$295
This United Airlines deal was found by Cheapflights users on 6/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1011:25 am
RAP
- STL
1 stop4h 18m
United Airlines
Sat 11/144:40 pm
STL
- RAP
1 stop6h 28m
United Airlines
Deal found 6/19![United Airlines logo]()
$309
This Delta deal was found by Cheapflights users on 6/17. 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 7/145:00 am
FSD
- STL
1 stop5h 28m
Delta
Tue 7/215:36 pm
STL
- FSD
1 stop5h 30m
Delta
Deal found 6/17![Delta logo]()
$315
This United Airlines deal was found by Cheapflights users on 6/18. 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 7/36:28 pm
FSD
- STL
1 stop5h 01m
United Airlines
Sun 7/51:38 pm
STL
- FSD
1 stop6h 30m
United Airlines
Deal found 6/18![United Airlines logo]()
$319
This American Airlines deal was found by Cheapflights users on 6/20. 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.
Thu 9/37:30 am
FSD
- STL
1 stop7h 15m
American Airlines
Tue 9/85:42 am
STL
- FSD
1 stop6h 35m
American Airlines
Deal found 6/20![American Airlines logo]()
$324
This United Airlines deal was found by Cheapflights users on 6/20. 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 8/299:35 am
FSD
- STL
1 stop6h 59m
United Airlines
Wed 9/25:10 am
STL
- FSD
1 stop5h 33m
United Airlines
Deal found 6/20![United Airlines logo]()
$341
This American Airlines deal was found by Cheapflights users on 6/19. 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.
Tue 11/102:20 pm
RAP
- STL
2 stops16h 50m
American Airlines
Sat 11/148:40 am
STL
- RAP
2 stops13h 37m
American Airlines
Deal found 6/19![American Airlines logo]()
$343
This United Airlines deal was found by Cheapflights users on 6/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/305:00 am
RAP
- STL
2 stops8h 30m
United Airlines
Mon 11/24:40 pm
STL
- RAP
1 stop5h 05m
United Airlines
Deal found 6/19![United Airlines logo]()
$352
This United Airlines deal was found by Cheapflights users on 6/17. 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 6/2410:21 am
RAP
- STL
1 stop5h 12m
United Airlines
Thu 7/95:59 pm
STL
- RAP
1 stop6h 17m
United Airlines
Deal found 6/17![United Airlines logo]()
$354
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 June 20, 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 June 20, 2026.
This American Airlines deal was found by Cheapflights users on 6/20. 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.
Tue 7/145:34 pm
FSD
- STL
1 stop6h 24m
American Airlines
Tue 7/219:44 am
STL
- FSD
1 stop7h 10m
American Airlines
Deal found 6/20![American Airlines logo]()
$280
This Delta deal was found by Cheapflights users on 6/18. 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 7/35:12 am
FSD
- STL
1 stop3h 30m
Delta
Tue 7/75:36 pm
STL
- FSD
1 stop5h 30m
Delta
Deal found 6/18![Delta logo]()
$295
This United Airlines deal was found by Cheapflights users on 6/17. 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 7/31:18 pm
FSD
- STL
1 stop7h 25m
United Airlines
Sat 7/187:05 pm
STL
- FSD
1 stop4h 26m
United Airlines
Deal found 6/17![United Airlines logo]()
$295
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/152:18 pm
FSD
- STL
1 stop8h 21m
Multiple Airlines
Thu 11/192:00 pm
STL
- FSD
2 stops19h 45m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$481
This United Airlines deal was found by Cheapflights users on 6/18. 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 7/225:53 pm
RAP
- STL
1 stop5h 04m
United Airlines
Wed 8/125:10 am
STL
- RAP
1 stop5h 18m
United Airlines
Deal found 6/18![United Airlines logo]()
$309
This Delta deal was found by Cheapflights users on 6/17. 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 7/145:00 am
FSD
- STL
1 stop5h 28m
Delta
Tue 7/215:36 pm
STL
- FSD
1 stop5h 30m
Delta
Deal found 6/17![Delta logo]()
$315
This United Airlines deal was found by Cheapflights users on 6/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1010:26 am
RAP
- STL
1 stop5h 17m
United Airlines
Sat 11/141:08 pm
STL
- RAP
2 stops8h 37m
United Airlines
Deal found 6/19![United Airlines logo]()
$314
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/174:55 pm
RAP
- STL
1 stop6h 09m
American Airlines
Sun 7/195:32 am
STL
- RAP
1 stop5h 15m
American Airlines
Deal found 6/16![American Airlines logo]()
$369
This United Airlines deal was found by Cheapflights users on 6/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/31:18 pm
FSD
- STL
1 stop7h 25m
United Airlines
Tue 7/77:05 pm
STL
- FSD
1 stop4h 26m
United Airlines
Deal found 6/19![United Airlines logo]()
$319
This United Airlines deal was found by Cheapflights users on 6/20. 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 8/299:35 am
FSD
- STL
1 stop6h 59m
United Airlines
Wed 9/25:10 am
STL
- FSD
1 stop5h 33m
United Airlines
Deal found 6/20![United Airlines logo]()
$341
This American Airlines deal was found by Cheapflights users on 6/17. 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 7/135:34 pm
FSD
- STL
1 stop6h 24m
American Airlines
Thu 7/166:55 am
STL
- FSD
1 stop4h 35m
American Airlines
Deal found 6/17![American Airlines logo]()
$517
This United Airlines deal was found by Cheapflights users on 6/18. 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 8/298:55 am
RAP
- STL
1 stop6h 39m
United Airlines
Tue 9/14:40 pm
STL
- RAP
1 stop6h 48m
United Airlines
Deal found 6/18![United Airlines logo]()
$389
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.
Sat 10/244:26 pm
RAP
- STL
1 stop6h 18m
United Airlines
Wed 10/281:30 pm
STL
- RAP
1 stop4h 33m
United Airlines
Deal found 6/16![United Airlines logo]()
$389
This United Airlines deal was found by Cheapflights users on 6/17. 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 11/128:35 am
RAP
- STL
2 stops13h 50m
United Airlines
Mon 11/164:30 pm
STL
- RAP
1 stop5h 03m
United Airlines
Deal found 6/17![United Airlines logo]()
$394
This United Airlines deal was found by Cheapflights users on 6/20. 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.
Tue 9/156:00 am
FSD
- STL
1 stop6h 40m
United Airlines
Tue 9/154:40 pm
STL
- FSD
1 stop7h 04m
United Airlines
Deal found 6/20![United Airlines logo]()
$511
Last-minute flights from South Dakota to St. LouisDiscover last-minute flight deals from South Dakota to St. Louis. Data last updated June 20, 2026 and is based on user searches.
Discover last-minute flight deals from South Dakota to St. Louis. Data last updated June 20, 2026 and is based on user searches.
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.
Fri 6/197:40 am
FSD
- STL
1 stop4h 31m
United Airlines
Sun 6/215:29 pm
STL
- FSD
1 stop4h 14m
United Airlines
Deal found 6/16![United Airlines logo]()
$379
This United Airlines deal was found by Cheapflights users on 6/17. 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 6/246:00 am
RAP
- STL
1 stop7h 23m
United Airlines
Wed 7/85:10 am
STL
- RAP
1 stop5h 09m
United Airlines
Deal found 6/17![United Airlines logo]()
$354
This United Airlines deal was found by Cheapflights users on 6/17. 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 7/31:18 pm
FSD
- STL
1 stop7h 25m
United Airlines
Sat 7/187:05 pm
STL
- FSD
1 stop4h 26m
United Airlines
Deal found 6/17![United Airlines logo]()
$295
This United Airlines deal was found by Cheapflights users on 6/18. 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 7/36:28 pm
FSD
- STL
1 stop5h 01m
United Airlines
Sun 7/51:38 pm
STL
- FSD
1 stop6h 30m
United Airlines
Deal found 6/18![United Airlines logo]()
$319
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.
Fri 7/31:18 pm
FSD
- STL
1 stop7h 25m
United Airlines
Tue 7/77:05 pm
STL
- FSD
1 stop4h 26m
United Airlines
Deal found 6/16![United Airlines logo]()
$374
This American Airlines deal was found by Cheapflights users on 6/20. 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.
Tue 7/145:34 pm
FSD
- STL
1 stop6h 24m
American Airlines
Tue 7/219:44 am
STL
- FSD
1 stop7h 10m
American Airlines
Deal found 6/20![American Airlines logo]()
$280
This Delta deal was found by Cheapflights users on 6/17. 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 7/145:00 am
FSD
- STL
1 stop5h 28m
Delta
Tue 7/215:36 pm
STL
- FSD
1 stop5h 30m
Delta
Deal found 6/17![Delta logo]()
$315
This Booking.com deal was found by Cheapflights users on 6/17. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/158:08 pm
FSD
- STL
1 stop23h 15m
Frontier
Tue 7/218:08 pm
STL
- FSD
1 stop23h 15m
Frontier
Deal found 6/17![Frontier logo]()
$242
This American Airlines deal was found by Cheapflights users on 6/20. 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.
Wed 7/154:55 pm
RAP
- STL
1 stop6h 03m
American Airlines
Sat 7/188:06 pm
STL
- RAP
1 stop16h 08m
American Airlines
Deal found 6/20![American Airlines logo]()
$362
This Kiwi.com deal was found by Cheapflights users on 6/17. 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 7/158:08 pm
FSD
- STL
2 stops21h 29m
Multiple Airlines
Tue 7/217:03 pm
STL
- FSD
1 stop19h 43m
Multiple Airlines
Deal found 6/17![Multiple Airlines logo]()
$382
This United Airlines deal was found by Cheapflights users on 6/18. 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 7/165:53 pm
RAP
- STL
1 stop5h 04m
United Airlines
Wed 7/225:10 am
STL
- RAP
1 stop5h 09m
United Airlines
Deal found 6/18![United Airlines logo]()
$309
This American Airlines deal was found by Cheapflights users on 6/20. 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.
Tue 7/215:34 pm
FSD
- STL
1 stop6h 24m
American Airlines
Tue 7/285:58 pm
STL
- FSD
1 stop6h 20m
American Airlines
Deal found 6/20![American Airlines logo]()
$271
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 June 20, 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 June 20, 2026.
This Booking.com deal was found by Cheapflights users on 6/17. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/88:08 pm
FSD
- STL
1 stop23h 15m
Frontier
Deal found 6/17![Frontier logo]()
$126
This Kiwi.com deal was found by Cheapflights users on 6/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/1410:01 pm
RAP
- STL
2 stops19h 14m
Multiple Airlines
Deal found 6/19![Multiple Airlines logo]()
$183
This Kiwi.com deal was found by Cheapflights users on 6/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/286:40 pm
RAP
- STL
2 stops22h 10m
Multiple Airlines
Deal found 6/19![Multiple Airlines logo]()
$214
This Delta deal was found by Cheapflights users on 6/17. 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 10/284:00 pm
RAP
- STL
1 stop6h 18m
Delta
Deal found 6/17![Delta logo]()
$241
This United Airlines deal was found by Cheapflights users on 6/17. 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 10/285:30 am
RAP
- STL
2 stops7h 48m
United Airlines
Deal found 6/17![United Airlines logo]()
$246
This American Airlines deal was found by Cheapflights users on 6/20. 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 7/1312:40 pm
FSD
- STL
1 stop7h 13m
American Airlines
Deal found 6/20![American Airlines logo]()
$259
This American Airlines deal was found by Cheapflights users on 6/20. 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 9/75:06 pm
RAP
- STL
1 stop5h 36m
American Airlines
Deal found 6/20![American Airlines logo]()
$269
This Kiwi.com deal was found by Cheapflights users on 6/18. 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 7/18:14 pm
FSD
- STL
2 stops21h 16m
Frontier
Deal found 6/18![Frontier logo]()
$271
This United Airlines deal was found by Cheapflights users on 6/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/148:55 am
RAP
- STL
1 stop6h 39m
United Airlines
Deal found 6/19![United Airlines logo]()
$286
This Kiwi.com deal was found by Cheapflights users on 6/17. 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 10/2811:24 am
RAP
- STL
3 stops21h 16m
Multiple Airlines
Deal found 6/17![Multiple Airlines logo]()
$287
This United Airlines deal was found by Cheapflights users on 6/18. 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.
Mon 7/136:28 pm
FSD
- STL
1 stop5h 01m
United Airlines
Deal found 6/18![United Airlines logo]()
$290
This United Airlines deal was found by Cheapflights users on 6/18. 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.
Mon 9/78:55 am
RAP
- STL
1 stop6h 39m
United Airlines
Deal found 6/18![United Airlines logo]()
$300
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 June 20, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $242 (Booking.com) |
One-way from | $126 (Booking.com) |
Popular in | May |
Cheapest in | September |
Average price | $617 |
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 June 20, 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 - STL
FSDSTL
Sioux Falls Joe Foss Field
Tue 7/14
5:34 pm-11:58 pm
1 stop6h 24m
Lambert-St Louis
Tue 7/21
9:44 am-4:54 pm
1 stop7h 10m
$280
Quickest round-trip
Sioux FallsSt. Louis
FSD - STL
FSDSTL
Sioux Falls Joe Foss Field
Fri 7/3
5:12 am-8:42 am
1 stop3h 30m
Lambert-St Louis
Tue 7/7
5:36 pm-11:06 pm
1 stop5h 30m
$295
Sioux FallsSt. Louis
FSD - STL
FSDSTL
Sioux Falls Joe Foss Field
Fri 7/3
1:18 pm-8:43 pm
1 stop7h 25m
Lambert-St Louis
Sat 7/18
7:05 pm-11:31 pm
1 stop4h 26m
$295
Rapid CitySt. Louis
RAP - STL
RAPSTL
Rapid City
Wed 7/22
5:53 pm-11:57 pm
1 stop5h 04m
Lambert-St Louis
Wed 8/12
5:10 am-9:28 am
1 stop5h 18m
$309
Rapid CitySt. Louis
RAP - STL
RAPSTL
Rapid City
Tue 11/10
10:26 am-4:43 pm
1 stop5h 17m
Lambert-St Louis
Sat 11/14
1:08 pm-8:45 pm
2 stops8h 37m
$314
Sioux FallsSt. Louis
FSD - STL
FSDSTL
Sioux Falls Joe Foss Field
Tue 7/14
5:00 am-10:28 am
1 stop5h 28m
Lambert-St Louis
Tue 7/21
5:36 pm-11:06 pm
1 stop5h 30m
$315
Sioux FallsSt. Louis
FSD - STL
FSDSTL
Sioux Falls Joe Foss Field
Fri 7/3
1:18 pm-8:43 pm
1 stop7h 25m
Lambert-St Louis
Tue 7/7
7:05 pm-11:31 pm
1 stop4h 26m
$319
Sioux FallsSt. Louis
FSD - STL
FSDSTL
Sioux Falls Joe Foss Field
Sat 8/29
9:35 am-4:34 pm
1 stop6h 59m
Lambert-St Louis
Wed 9/2
5:10 am-10:43 am
1 stop5h 33m
$341
Rapid CitySt. Louis
RAP - STL
RAPSTL
Rapid City
Fri 7/17
4:55 pm-12:04 am
1 stop6h 09m
Lambert-St Louis
Sun 7/19
5:32 am-9:47 am
1 stop5h 15m
$369
Rapid CitySt. Louis
RAP - STL
RAPSTL
Rapid City
Sat 8/29
8:55 am-4:34 pm
1 stop6h 39m
Lambert-St Louis
Tue 9/1
4:40 pm-10:28 pm
1 stop6h 48m
$389
Showing 1-10 of 29 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, January is the cheapest month in which you can book a flight from South Dakota to St. Louis (average of $208). 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.
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 locationsEdwardsville
O'Fallon
Fenton
Swansea
Fairview Heights
Eureka
Maryland Heights
Collinsville
Wentzville
Glencoe
Chesterfield
Alton
Farmington
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South Dakota and St. Louis flights
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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 2,558,603 searches. Data last updated June 20, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$208 | Average$328 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$243 | Average$392 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$264 | Average$362 | FlexibilityNo cancel fee | On-time69% |