$138+ 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 4/6. Fares are subject to change and may not be available on all flights or dates of travel.
FSD — STL
Apr 28 — May 51
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from South Dakota to St. Louis
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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 March 29, 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 March 29, 2026.
This American Airlines deal was found by Cheapflights users on 3/28. 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.
Sat 4/256:47 am
FSD
- STL
1 stop5h 00m
American Airlines
Sat 5/24:30 pm
STL
- FSD
1 stop6h 41m
American Airlines
Deal found 3/28![American Airlines logo]()
$281
This United Airlines deal was found by Cheapflights users on 3/28. 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 5/285:05 pm
FSD
- STL
1 stop6h 52m
United Airlines
Wed 7/15:33 pm
STL
- FSD
1 stop4h 34m
United Airlines
Deal found 3/28![United Airlines logo]()
$290
This United Airlines deal was found by Cheapflights users on 3/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/117:40 am
FSD
- STL
1 stop4h 27m
United Airlines
Wed 7/155:33 pm
STL
- FSD
1 stop4h 34m
United Airlines
Deal found 3/25![United Airlines logo]()
$309
This United Airlines deal was found by Cheapflights users on 3/26. 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.
Fri 4/106:53 pm
FSD
- STL
1 stop4h 18m
United Airlines
Tue 4/147:45 am
STL
- FSD
1 stop6h 49m
United Airlines
Deal found 3/26![United Airlines logo]()
$319
This American Airlines deal was found by Cheapflights users on 3/25. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/811:53 am
RAP
- STL
1 stop6h 40m
American Airlines
Mon 4/137:05 am
STL
- RAP
1 stop5h 18m
American Airlines
Deal found 3/25![American Airlines logo]()
$319
This United Airlines deal was found by Cheapflights users on 3/26. 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.
Fri 4/1012:00 pm
RAP
- STL
2 stops8h 13m
United Airlines
Tue 4/144:30 pm
STL
- RAP
1 stop6h 58m
United Airlines
Deal found 3/26![United Airlines logo]()
$324
This American Airlines deal was found by Cheapflights users on 3/25. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/410:43 am
FSD
- STL
1 stop5h 36m
American Airlines
Sun 12/66:00 am
STL
- FSD
1 stop4h 11m
American Airlines
Deal found 3/25![American Airlines logo]()
$329
This American Airlines deal was found by Cheapflights users on 3/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/167:39 pm
FSD
- STL
1 stop4h 07m
American Airlines
Sun 4/197:12 am
STL
- FSD
1 stop5h 45m
American Airlines
Deal found 3/26![American Airlines logo]()
$334
This American Airlines deal was found by Cheapflights users on 3/28. 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.
Sat 7/115:34 pm
FSD
- STL
1 stop6h 22m
American Airlines
Wed 7/156:00 am
STL
- FSD
1 stop5h 39m
American Airlines
Deal found 3/28![American Airlines logo]()
$335
This United Airlines deal was found by Cheapflights users on 3/28. 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.
Sat 10/35:00 pm
FSD
- STL
1 stop6h 43m
United Airlines
Tue 10/63:15 pm
STL
- FSD
1 stop6h 28m
United Airlines
Deal found 3/28![United Airlines logo]()
$341
This United Airlines deal was found by Cheapflights users on 3/26. 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.
Fri 7/35:05 pm
FSD
- STL
1 stop6h 52m
United Airlines
Sun 7/58:35 pm
STL
- FSD
1 stop4h 31m
United Airlines
Deal found 3/26![United Airlines logo]()
$348
This Kiwi.com deal was found by Cheapflights users on 3/27. 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.
Mon 6/14:29 pm
FSD
- STL
1 stop26h 54m
Frontier
Thu 6/48:08 pm
STL
- FSD
1 stop19h 36m
Frontier
Deal found 3/27![Frontier logo]()
$356
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 March 29, 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 March 29, 2026.
This United Airlines deal was found by Cheapflights users on 3/28. 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 5/285:05 pm
FSD
- STL
1 stop6h 52m
United Airlines
Wed 7/15:33 pm
STL
- FSD
1 stop4h 34m
United Airlines
Deal found 3/28![United Airlines logo]()
$290
This American Airlines deal was found by Cheapflights users on 3/24. 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 4/84:57 pm
RAP
- STL
1 stop5h 02m
American Airlines
Mon 4/137:05 am
STL
- RAP
1 stop5h 18m
American Airlines
Deal found 3/24![American Airlines logo]()
$319
This Kiwi.com deal was found by Cheapflights users on 3/27. 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.
Mon 6/14:29 pm
FSD
- STL
1 stop26h 54m
Frontier
Thu 6/48:08 pm
STL
- FSD
1 stop19h 36m
Frontier
Deal found 3/27![Frontier logo]()
$356
This Kiwi.com deal was found by Cheapflights users on 3/27. 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.
Mon 6/14:29 pm
FSD
- STL
1 stop26h 54m
Multiple Airlines
Fri 6/58:08 pm
STL
- FSD
2 stops15h 58m
Multiple Airlines
Deal found 3/27![Multiple Airlines logo]()
$367
This United Airlines deal was found by Cheapflights users on 3/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/117:40 am
FSD
- STL
1 stop4h 27m
United Airlines
Wed 7/155:33 pm
STL
- FSD
1 stop4h 34m
United Airlines
Deal found 3/25![United Airlines logo]()
$309
This Delta deal was found by Cheapflights users on 3/27. 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.
Sun 4/125:00 am
FSD
- STL
1 stop4h 01m
Delta
Thu 4/166:19 am
STL
- FSD
1 stop3h 53m
Delta
Deal found 3/27![Delta logo]()
$635
This American Airlines deal was found by Cheapflights users on 3/28. 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.
Sat 7/115:34 pm
FSD
- STL
1 stop6h 22m
American Airlines
Wed 7/156:00 am
STL
- FSD
1 stop5h 39m
American Airlines
Deal found 3/28![American Airlines logo]()
$335
This United Airlines deal was found by Cheapflights users on 3/26. 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.
Fri 4/109:20 am
RAP
- STL
1 stop5h 28m
United Airlines
Tue 4/144:30 pm
STL
- RAP
1 stop5h 14m
United Airlines
Deal found 3/26![United Airlines logo]()
$319
This United Airlines deal was found by Cheapflights users on 3/26. 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.
Fri 4/242:47 pm
RAP
- STL
1 stop5h 07m
United Airlines
Fri 5/12:35 pm
STL
- RAP
1 stop6h 53m
United Airlines
Deal found 3/26![United Airlines logo]()
$319
This Kiwi.com deal was found by Cheapflights users on 3/27. 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.
Thu 5/145:57 pm
RAP
- STL
1 stop25h 26m
Multiple Airlines
Tue 5/196:51 pm
STL
- RAP
2 stops20h 51m
Multiple Airlines
Deal found 3/27![Multiple Airlines logo]()
$404
This United Airlines deal was found by Cheapflights users on 3/26. 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.
Fri 7/35:05 pm
FSD
- STL
1 stop6h 52m
United Airlines
Sun 7/58:35 pm
STL
- FSD
1 stop4h 31m
United Airlines
Deal found 3/26![United Airlines logo]()
$348
This Kiwi.com deal was found by Cheapflights users on 3/28. 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.
Sat 4/251:26 pm
FSD
- STL
2 stops29h 55m
Multiple Airlines
Sat 5/24:59 pm
STL
- FSD
1 stop17h 46m
Multiple Airlines
Deal found 3/28![Multiple Airlines logo]()
$435
This United Airlines deal was found by Cheapflights users on 3/27. 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 6/55:00 am
FSD
- STL
1 stop7h 11m
United Airlines
Sat 6/65:41 pm
STL
- FSD
1 stop4h 26m
United Airlines
Deal found 3/27![United Airlines logo]()
$360
This American Airlines deal was found by Cheapflights users on 3/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/15:35 pm
FSD
- STL
1 stop6h 23m
American Airlines
Fri 6/57:52 pm
STL
- FSD
1 stop15h 45m
American Airlines
Deal found 3/27![American Airlines logo]()
$517
This United Airlines deal was found by Cheapflights users on 3/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/3012:35 pm
RAP
- STL
1 stop7h 22m
United Airlines
Sun 5/316:00 am
STL
- RAP
1 stop5h 24m
United Airlines
Deal found 3/25![United Airlines logo]()
$382
This United Airlines deal was found by Cheapflights users on 3/24. 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 8/214:41 pm
RAP
- STL
1 stop6h 09m
United Airlines
Tue 8/2511:25 am
STL
- RAP
1 stop7h 59m
United Airlines
Deal found 3/24![United Airlines logo]()
$399
This United Airlines deal was found by Cheapflights users on 3/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/88:30 am
RAP
- STL
2 stops14h 27m
United Airlines
Mon 4/136:05 pm
STL
- RAP
1 stop5h 23m
United Airlines
Deal found 3/25![United Airlines logo]()
$404
This United Airlines deal was found by Cheapflights users on 3/26. 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.
Fri 4/101:43 pm
FSD
- STL
2 stops7h 30m
United Airlines
Tue 4/147:45 am
STL
- FSD
1 stop6h 49m
United Airlines
Deal found 3/26![United Airlines logo]()
$652
Last-minute flights from South Dakota to St. LouisDiscover last-minute flight deals from South Dakota to St. Louis. Data last updated March 29, 2026 and is based on user searches.
Discover last-minute flight deals from South Dakota to St. Louis. Data last updated March 29, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 3/25. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/266:50 am
FSD
- STL
1 stop6h 53m
American Airlines
Sun 3/298:00 am
STL
- FSD
1 stop5h 36m
American Airlines
Deal found 3/25![American Airlines logo]()
$379
This American Airlines deal was found by Cheapflights users on 3/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/286:50 am
FSD
- STL
1 stop7h 00m
American Airlines
Sun 3/297:00 am
STL
- FSD
1 stop5h 41m
American Airlines
Deal found 3/26![American Airlines logo]()
$370
This United Airlines deal was found by Cheapflights users on 3/24. 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.
Thu 4/27:39 am
FSD
- STL
1 stop4h 43m
United Airlines
Sun 4/511:15 am
STL
- FSD
1 stop6h 29m
United Airlines
Deal found 3/24![United Airlines logo]()
$359
This American Airlines deal was found by Cheapflights users on 3/28. 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 4/27:42 pm
FSD
- STL
1 stop4h 02m
American Airlines
Mon 4/66:33 pm
STL
- FSD
1 stop4h 22m
American Airlines
Deal found 3/28![American Airlines logo]()
$369
This American Airlines deal was found by Cheapflights users on 3/25. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/811:53 am
RAP
- STL
1 stop6h 40m
American Airlines
Mon 4/137:05 am
STL
- RAP
1 stop5h 18m
American Airlines
Deal found 3/25![American Airlines logo]()
$319
This United Airlines deal was found by Cheapflights users on 3/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/88:30 am
RAP
- STL
2 stops14h 27m
United Airlines
Mon 4/136:05 pm
STL
- RAP
1 stop5h 23m
United Airlines
Deal found 3/25![United Airlines logo]()
$404
This United Airlines deal was found by Cheapflights users on 3/26. 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.
Fri 4/106:53 pm
FSD
- STL
1 stop4h 18m
United Airlines
Tue 4/147:45 am
STL
- FSD
1 stop6h 49m
United Airlines
Deal found 3/26![United Airlines logo]()
$319
This United Airlines deal was found by Cheapflights users on 3/26. 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.
Fri 4/1012:00 pm
RAP
- STL
2 stops8h 13m
United Airlines
Tue 4/144:30 pm
STL
- RAP
1 stop6h 58m
United Airlines
Deal found 3/26![United Airlines logo]()
$324
This American Airlines deal was found by Cheapflights users on 3/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/167:39 pm
FSD
- STL
1 stop4h 07m
American Airlines
Sun 4/197:12 am
STL
- FSD
1 stop5h 45m
American Airlines
Deal found 3/26![American Airlines logo]()
$334
This American Airlines deal was found by Cheapflights users on 3/25. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/177:39 pm
FSD
- STL
1 stop4h 07m
American Airlines
Sun 4/195:20 am
STL
- FSD
1 stop7h 37m
American Airlines
Deal found 3/25![American Airlines logo]()
$374
This American Airlines deal was found by Cheapflights users on 3/28. 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.
Sat 4/256:47 am
FSD
- STL
1 stop5h 00m
American Airlines
Sat 5/24:30 pm
STL
- FSD
1 stop6h 41m
American Airlines
Deal found 3/28![American Airlines logo]()
$281
This Kiwi.com deal was found by Cheapflights users on 3/28. 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.
Sat 4/251:26 pm
FSD
- STL
2 stops29h 55m
Multiple Airlines
Sat 5/24:59 pm
STL
- FSD
1 stop17h 46m
Multiple Airlines
Deal found 3/28![Multiple Airlines logo]()
$435
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 March 29, 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 March 29, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/25. 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.
Mon 4/66:38 pm
FSD
- STL
2 stops23h 58m
Multiple Airlines
Deal found 3/25![Multiple Airlines logo]()
$138
This United Airlines deal was found by Cheapflights users on 3/28. 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.
Sat 4/253:10 pm
FSD
- STL
1 stop6h 42m
United Airlines
Deal found 3/28![United Airlines logo]()
$146
This Kiwi.com deal was found by Cheapflights users on 3/25. 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 5/35:57 pm
RAP
- STL
3 stops24h 35m
Multiple Airlines
Deal found 3/25![Multiple Airlines logo]()
$183
This Kiwi.com deal was found by Cheapflights users on 3/28. 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.
Sat 4/43:35 pm
FSD
- STL
2 stops18h 55m
Multiple Airlines
Deal found 3/28![Multiple Airlines logo]()
$203
This United Airlines deal was found by Cheapflights users on 3/27. 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.
Tue 9/158:55 am
RAP
- STL
1 stop6h 36m
United Airlines
Deal found 3/27![United Airlines logo]()
$211
This Kiwi.com deal was found by Cheapflights users on 3/28. 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.
Sun 4/512:26 pm
FSD
- STL
2 stops21h 22m
Multiple Airlines
Deal found 3/28![Multiple Airlines logo]()
$216
This Kiwi.com deal was found by Cheapflights users on 3/28. 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.
Sat 4/251:26 pm
FSD
- STL
3 stops41h 24m
Multiple Airlines
Deal found 3/28![Multiple Airlines logo]()
$229
This Delta deal was found by Cheapflights users on 3/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/164:00 pm
RAP
- STL
1 stop6h 01m
Delta
Deal found 3/28![Delta logo]()
$229
This Kiwi.com deal was found by Cheapflights users on 3/25. 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.
Wed 4/82:35 pm
FSD
- STL
2 stops43h 13m
Multiple Airlines
Deal found 3/25![Multiple Airlines logo]()
$242
This American Airlines deal was found by Cheapflights users on 3/25. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/211:53 am
RAP
- STL
1 stop6h 40m
American Airlines
Deal found 3/25![American Airlines logo]()
$261
This Delta deal was found by Cheapflights users on 3/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/210:58 am
RAP
- STL
2 stops8h 46m
Delta
Deal found 3/25![Delta logo]()
$284
This United Airlines deal was found by Cheapflights users on 3/28. 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.
Wed 9/165:00 am
RAP
- STL
2 stops9h 38m
United Airlines
Deal found 3/28![United Airlines logo]()
$333
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 March 29, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $281 (American Airlines) |
One-way from | $138 (Kiwi.com) |
Popular in | July |
Cheapest in | September |
Average price | $362 |
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 March 29, 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
Thu 5/28
5:05 pm-11:57 pm
1 stop6h 52m
Lambert-St Louis
Wed 7/1
5:33 pm-10:07 pm
1 stop4h 34m
$290
Sioux FallsSt. Louis
FSD - STL
FSDSTL
Sioux Falls Joe Foss Field
Sat 7/11
7:40 am-12:07 pm
1 stop4h 27m
Lambert-St Louis
Wed 7/15
5:33 pm-10:07 pm
1 stop4h 34m
$309
Rapid CitySt. Louis
RAP - STL
RAPSTL
Rapid City
Wed 4/8
4:57 pm-10:59 pm
1 stop5h 02m
Lambert-St Louis
Mon 4/13
7:05 am-11:23 am
1 stop5h 18m
$319
Rapid CitySt. Louis
RAP - STL
RAPSTL
Rapid City
Fri 4/10
9:20 am-3:48 pm
1 stop5h 28m
Lambert-St Louis
Tue 4/14
4:30 pm-8:44 pm
1 stop5h 14m
$319
Rapid CitySt. Louis
RAP - STL
RAPSTL
Rapid City
Fri 4/24
2:47 pm-8:54 pm
1 stop5h 07m
Lambert-St Louis
Fri 5/1
2:35 pm-8:28 pm
1 stop6h 53m
$319
Sioux FallsSt. Louis
FSD - STL
FSDSTL
Sioux Falls Joe Foss Field
Sat 7/11
5:34 pm-11:56 pm
1 stop6h 22m
Lambert-St Louis
Wed 7/15
6:00 am-11:39 am
1 stop5h 39m
$335
Sioux FallsSt. Louis
FSD - STL
FSDSTL
Sioux Falls Joe Foss Field
Fri 7/3
5:05 pm-11:57 pm
1 stop6h 52m
Lambert-St Louis
Sun 7/5
8:35 pm-1:06 am
1 stop4h 31m
$348
Sioux FallsSt. Louis
FSD - STL
FSDSTL
Sioux Falls Joe Foss Field
Mon 6/1
4:29 pm-7:23 pm
1 stop26h 54m
Lambert-St Louis
Thu 6/4
8:08 pm-3:44 pm
1 stop19h 36m
$356
Sioux FallsSt. Louis
FSD - STL
FSDSTL
Sioux Falls Joe Foss Field
Fri 6/5
5:00 am-12:11 pm
1 stop7h 11m
Lambert-St Louis
Sat 6/6
5:41 pm-10:07 pm
1 stop4h 26m
$360
Sioux FallsSt. Louis
FSD - STL
FSDSTL
Sioux Falls Joe Foss Field
Mon 6/1
4:29 pm-7:23 pm
1 stop26h 54m
Lambert-St Louis
Fri 6/5
8:08 pm-12:06 pm
2 stops15h 58m
$367
Showing 1-10 of 33 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, May is the cheapest month in which you can book a flight from South Dakota to St. Louis (average of $188). Flying from South Dakota to St. Louis in July is currently the most expensive (average of $313). 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?
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
Maryland Heights
Collinsville
Eureka
Wentzville
Glencoe
Chesterfield
Alton
Farmington
Festus
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South Dakota and St. Louis flights
Browse other South Dakota and St. Louis flight options. Last updated on March 29, 2026.
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Other flights to St. Louis
Explore flights to St. Louis departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on March 29, 2026.
South Dakota to St. Louis flights
Consider these flights traveling from South Dakota to St. Louis.
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 March 29, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$174 | Average$342 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$257 | Average$350 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$258 | Average$319 | FlexibilityNo cancel fee | On-time71% |