$126+ Cheap flights from St. Louis to Sioux Falls (STL - FSD)
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 6/23. Fares are subject to change and may not be available on all flights or dates of travel.
STL — FSD
Jul 7 — Jul 141
Round-trip
1 adult, Economy
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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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Cheapest flights from St. Louis to Sioux FallsExplore the most affordable flight options available from St. Louis to Sioux Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 7, 2026.
Explore the most affordable flight options available from St. Louis to Sioux Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 7, 2026.
This Delta deal was found by Cheapflights users on 6/7. 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 8/196:20 am
STL
- FSD
1 stop6h 18m
Delta
Sat 8/226:15 am
FSD
- STL
1 stop4h 08m
Delta
Deal found 6/7![Delta logo]()
$271
This American Airlines deal was found by Cheapflights users on 6/7. 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 8/196:36 am
STL
- FSD
1 stop5h 41m
American Airlines
Sat 8/2212:57 pm
FSD
- STL
2 stops11h 01m
American Airlines
Deal found 6/7![American Airlines logo]()
$276
This United Airlines deal was found by Cheapflights users on 6/2. 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 7/255:59 pm
STL
- FSD
1 stop5h 32m
United Airlines
Thu 7/307:35 am
FSD
- STL
1 stop4h 36m
United Airlines
Deal found 6/2![United Airlines logo]()
$280
This American Airlines deal was found by Cheapflights users on 6/5. 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 7/39:08 am
STL
- FSD
1 stop7h 05m
American Airlines
Fri 7/105:34 pm
FSD
- STL
1 stop6h 30m
American Airlines
Deal found 6/5![American Airlines logo]()
$285
This American Airlines deal was found by Cheapflights users on 6/6. 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 7/49:08 am
STL
- FSD
2 stops10h 25m
American Airlines
Fri 7/105:34 pm
FSD
- STL
1 stop6h 30m
American Airlines
Deal found 6/6![American Airlines logo]()
$290
This American Airlines deal was found by Cheapflights users on 6/2. 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 9/29:32 am
STL
- FSD
2 stops10h 27m
American Airlines
Wed 9/96:00 am
FSD
- STL
2 stops10h 48m
American Airlines
Deal found 6/2![American Airlines logo]()
$291
This American Airlines deal was found by Cheapflights users on 6/2. 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 6/209:42 am
STL
- FSD
1 stop7h 13m
American Airlines
Sat 7/115:27 pm
FSD
- STL
1 stop6h 31m
American Airlines
Deal found 6/2![American Airlines logo]()
$295
This United Airlines deal was found by Cheapflights users on 6/6. 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 6/267:05 pm
STL
- FSD
1 stop4h 26m
United Airlines
Mon 6/296:28 pm
FSD
- STL
1 stop5h 01m
United Airlines
Deal found 6/6![United Airlines logo]()
$314
This Delta deal was found by Cheapflights users on 6/2. 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 7/15:36 pm
STL
- FSD
1 stop5h 36m
Delta
Tue 7/75:00 am
FSD
- STL
1 stop3h 46m
Delta
Deal found 6/2![Delta logo]()
$317
This American Airlines deal was found by Cheapflights users on 6/4. 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 6/268:14 pm
STL
- FSD
1 stop4h 06m
American Airlines
Sun 6/287:02 am
FSD
- STL
1 stop6h 10m
American Airlines
Deal found 6/4![American Airlines logo]()
$324
This American Airlines deal was found by Cheapflights users on 6/3. 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 9/2511:01 am
STL
- FSD
1 stop7h 10m
American Airlines
Tue 9/2912:56 pm
FSD
- STL
2 stops11h 31m
American Airlines
Deal found 6/3![American Airlines logo]()
$329
This American Airlines deal was found by Cheapflights users on 6/6. 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 6/139:42 am
STL
- FSD
1 stop7h 13m
American Airlines
Tue 6/235:35 pm
FSD
- STL
1 stop6h 24m
American Airlines
Deal found 6/6![American Airlines logo]()
$345
Best flights from St. Louis to Sioux FallsDiscover carefully curated flight deals from St. Louis to Sioux Falls that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 7, 2026.
Discover carefully curated flight deals from St. Louis to Sioux Falls that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 7, 2026.
This American Airlines deal was found by Cheapflights users on 6/4. 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 8/195:42 am
STL
- FSD
1 stop6h 35m
American Airlines
Sat 8/225:23 pm
FSD
- STL
1 stop6h 35m
American Airlines
Deal found 6/4![American Airlines logo]()
$271
This Delta deal was found by Cheapflights users on 6/7. 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 8/196:20 am
STL
- FSD
1 stop6h 18m
Delta
Sat 8/226:15 am
FSD
- STL
1 stop4h 08m
Delta
Deal found 6/7![Delta logo]()
$271
This United Airlines deal was found by Cheapflights users on 6/2. 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 7/255:59 pm
STL
- FSD
1 stop5h 32m
United Airlines
Thu 7/307:35 am
FSD
- STL
1 stop4h 36m
United Airlines
Deal found 6/2![United Airlines logo]()
$280
This American Airlines deal was found by Cheapflights users on 6/2. 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 9/29:32 am
STL
- FSD
2 stops10h 27m
American Airlines
Wed 9/912:56 pm
FSD
- STL
1 stop6h 11m
American Airlines
Deal found 6/2![American Airlines logo]()
$276
This United Airlines deal was found by Cheapflights users on 6/6. 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 6/267:05 pm
STL
- FSD
1 stop4h 26m
United Airlines
Mon 6/296:28 pm
FSD
- STL
1 stop5h 01m
United Airlines
Deal found 6/6![United Airlines logo]()
$314
This Delta deal was found by Cheapflights users on 6/2. 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 7/15:36 pm
STL
- FSD
1 stop5h 36m
Delta
Tue 7/75:00 am
FSD
- STL
1 stop3h 46m
Delta
Deal found 6/2![Delta logo]()
$317
This American Airlines deal was found by Cheapflights users on 6/6. 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 7/49:08 am
STL
- FSD
2 stops10h 25m
American Airlines
Fri 7/105:34 pm
FSD
- STL
1 stop6h 30m
American Airlines
Deal found 6/6![American Airlines logo]()
$290
This American Airlines deal was found by Cheapflights users on 6/2. 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 6/209:42 am
STL
- FSD
1 stop7h 13m
American Airlines
Sat 7/115:27 pm
FSD
- STL
1 stop6h 31m
American Airlines
Deal found 6/2![American Airlines logo]()
$295
This United Airlines deal was found by Cheapflights users on 6/4. 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 6/124:48 pm
STL
- FSD
1 stop7h 05m
United Airlines
Sun 6/147:40 am
FSD
- STL
1 stop4h 31m
United Airlines
Deal found 6/4![United Airlines logo]()
$359
This American Airlines deal was found by Cheapflights users on 6/6. 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 6/139:42 am
STL
- FSD
1 stop7h 13m
American Airlines
Tue 6/235:35 pm
FSD
- STL
1 stop6h 24m
American Airlines
Deal found 6/6![American Airlines logo]()
$345
This Delta deal was found by Cheapflights users on 6/5. 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 7/25:36 pm
STL
- FSD
1 stop5h 36m
Delta
Tue 7/75:00 am
FSD
- STL
1 stop3h 46m
Delta
Deal found 6/5![Delta logo]()
$429
This American Airlines deal was found by Cheapflights users on 6/7. 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 6/198:14 pm
STL
- FSD
1 stop4h 06m
American Airlines
Tue 6/235:35 pm
FSD
- STL
1 stop6h 24m
American Airlines
Deal found 6/7![American Airlines logo]()
$349
Last-minute flights from St. Louis to Sioux FallsDiscover last-minute flight deals from St. Louis to Sioux Falls. Data last updated June 7, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Sioux Falls. Data last updated June 7, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 6/7. 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 6/95:36 pm
STL
- FSD
1 stop5h 36m
Delta
Tue 6/165:15 am
FSD
- STL
1 stop3h 27m
Delta
Deal found 6/7![Delta logo]()
$361
This United Airlines deal was found by Cheapflights users on 6/4. 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 6/124:48 pm
STL
- FSD
1 stop7h 05m
United Airlines
Sun 6/147:40 am
FSD
- STL
1 stop4h 31m
United Airlines
Deal found 6/4![United Airlines logo]()
$359
This American Airlines deal was found by Cheapflights users on 6/6. 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 6/139:42 am
STL
- FSD
1 stop7h 13m
American Airlines
Tue 6/235:35 pm
FSD
- STL
1 stop6h 24m
American Airlines
Deal found 6/6![American Airlines logo]()
$345
This American Airlines deal was found by Cheapflights users on 6/7. 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 6/198:14 pm
STL
- FSD
1 stop4h 06m
American Airlines
Tue 6/235:35 pm
FSD
- STL
1 stop6h 24m
American Airlines
Deal found 6/7![American Airlines logo]()
$349
This American Airlines deal was found by Cheapflights users on 6/2. 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 6/209:42 am
STL
- FSD
1 stop7h 13m
American Airlines
Sat 7/115:27 pm
FSD
- STL
1 stop6h 31m
American Airlines
Deal found 6/2![American Airlines logo]()
$295
This United Airlines deal was found by Cheapflights users on 6/6. 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 6/267:05 pm
STL
- FSD
1 stop4h 26m
United Airlines
Mon 6/296:28 pm
FSD
- STL
1 stop5h 01m
United Airlines
Deal found 6/6![United Airlines logo]()
$314
This American Airlines deal was found by Cheapflights users on 6/4. 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 6/268:14 pm
STL
- FSD
1 stop4h 06m
American Airlines
Sun 6/287:02 am
FSD
- STL
1 stop6h 10m
American Airlines
Deal found 6/4![American Airlines logo]()
$324
This Delta deal was found by Cheapflights users on 6/2. 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 7/15:36 pm
STL
- FSD
1 stop5h 36m
Delta
Tue 7/75:00 am
FSD
- STL
1 stop3h 46m
Delta
Deal found 6/2![Delta logo]()
$317
This American Airlines deal was found by Cheapflights users on 6/5. 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 7/39:08 am
STL
- FSD
1 stop7h 05m
American Airlines
Fri 7/105:34 pm
FSD
- STL
1 stop6h 30m
American Airlines
Deal found 6/5![American Airlines logo]()
$285
This American Airlines deal was found by Cheapflights users on 6/6. 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 7/49:08 am
STL
- FSD
2 stops10h 25m
American Airlines
Fri 7/105:34 pm
FSD
- STL
1 stop6h 30m
American Airlines
Deal found 6/6![American Airlines logo]()
$290
This United Airlines deal was found by Cheapflights users on 6/2. 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 7/255:59 pm
STL
- FSD
1 stop5h 32m
United Airlines
Thu 7/307:35 am
FSD
- STL
1 stop4h 36m
United Airlines
Deal found 6/2![United Airlines logo]()
$280
One-way flights from St. Louis to Sioux FallsSearch for one-way flight options from St. Louis to Sioux Falls. Find affordable one-way fares based on user searches. Data last updated June 7, 2026.
Search for one-way flight options from St. Louis to Sioux Falls. Find affordable one-way fares based on user searches. Data last updated June 7, 2026.
This Gotogate deal was found by Cheapflights users on 6/2. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/238:08 pm
STL
- FSD
1 stop23h 11m
Frontier
Deal found 6/2![Frontier logo]()
$126
This Trip.com deal was found by Cheapflights users on 6/3. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/168:08 pm
STL
- FSD
1 stop23h 15m
Frontier
Deal found 6/3![Frontier logo]()
$166
This American Airlines deal was found by Cheapflights users on 6/2. 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 6/232:32 pm
STL
- FSD
1 stop9h 48m
American Airlines
Deal found 6/2![American Airlines logo]()
$237
This American Airlines deal was found by Cheapflights users on 6/4. 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 7/166:55 am
STL
- FSD
1 stop4h 35m
American Airlines
Deal found 6/4![American Airlines logo]()
$259
This Kiwi.com deal was found by Cheapflights users on 6/3. 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 7/163:41 pm
STL
- FSD
2 stops28h 09m
Multiple Airlines
Deal found 6/3![Multiple Airlines logo]()
$301
This Kiwi.com deal was found by Cheapflights users on 6/3. 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 7/35:06 pm
STL
- FSD
3 stops24h 18m
Multiple Airlines
Deal found 6/3![Multiple Airlines logo]()
$348
Find flight deals from St. Louis to Sioux Falls
Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Sioux Falls (FSD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $271 (American Airlines) |
One-way from | $126 (Gotogate) |
Popular in | November |
Cheapest in | September |
Average price | $427 |
Cheapflights Fare Finder
Customize your flight search to find flights from St. Louis to Sioux Falls 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 7, 2026.
Use the filters below to find and compare flights from St. Louis to Sioux Falls that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
St. LouisSioux Falls
STL - FSD
STLFSD
Lambert-St Louis
Wed 8/19
5:42 am-12:17 pm
1 stop6h 35m
Sioux Falls Joe Foss Field
Sat 8/22
5:23 pm-11:58 pm
1 stop6h 35m
$271
St. LouisSioux Falls
STL - FSD
STLFSD
Lambert-St Louis
Wed 8/19
6:20 am-12:38 pm
1 stop6h 18m
Sioux Falls Joe Foss Field
Sat 8/22
6:15 am-10:23 am
1 stop4h 08m
$271
St. LouisSioux Falls
STL - FSD
STLFSD
Lambert-St Louis
Wed 9/2
9:32 am-7:59 pm
2 stops10h 27m
Sioux Falls Joe Foss Field
Wed 9/9
12:56 pm-7:07 pm
1 stop6h 11m
$276
St. LouisSioux Falls
STL - FSD
STLFSD
Lambert-St Louis
Sat 7/25
5:59 pm-11:31 pm
1 stop5h 32m
Sioux Falls Joe Foss Field
Thu 7/30
7:35 am-12:11 pm
1 stop4h 36m
$280
St. LouisSioux Falls
STL - FSD
STLFSD
Lambert-St Louis
Sat 7/4
9:08 am-7:33 pm
2 stops10h 25m
Sioux Falls Joe Foss Field
Fri 7/10
5:34 pm-12:04 am
1 stop6h 30m
$290
St. LouisSioux Falls
STL - FSD
STLFSD
Lambert-St Louis
Sat 6/20
9:42 am-4:55 pm
1 stop7h 13m
Sioux Falls Joe Foss Field
Sat 7/11
5:27 pm-11:58 pm
1 stop6h 31m
$295
St. LouisSioux Falls
STL - FSD
STLFSD
Lambert-St Louis
Fri 6/26
7:05 pm-11:31 pm
1 stop4h 26m
Sioux Falls Joe Foss Field
Mon 6/29
6:28 pm-11:29 pm
1 stop5h 01m
$314
Quickest round-trip
St. LouisSioux Falls
STL - FSD
STLFSD
Lambert-St Louis
Wed 7/1
5:36 pm-11:12 pm
1 stop5h 36m
Sioux Falls Joe Foss Field
Tue 7/7
5:00 am-8:46 am
1 stop3h 46m
$317
St. LouisSioux Falls
STL - FSD
STLFSD
Lambert-St Louis
Sat 6/13
9:42 am-4:55 pm
1 stop7h 13m
Sioux Falls Joe Foss Field
Tue 6/23
5:35 pm-11:59 pm
1 stop6h 24m
$345
St. LouisSioux Falls
STL - FSD
STLFSD
Lambert-St Louis
Fri 6/19
8:14 pm-12:20 am
1 stop4h 06m
Sioux Falls Joe Foss Field
Tue 6/23
5:35 pm-11:59 pm
1 stop6h 24m
$349
Showing 1-10 of 20 resultsSorted by cheapest first
Compare providers for flights from St. Louis to Sioux Falls
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Sioux Falls in June.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on St. Louis-Sioux Falls flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Sioux Falls flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-Sioux Falls flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on St. Louis-Sioux Falls flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Sioux Falls flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from St. Louis to Sioux Falls
Have a flexible travel schedule? Discover the best time to fly to Sioux Falls from St. Louis with our price prediction graph.
STL-FSD
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 Sioux Falls
What is the cheapest month to book a flight from St. Louis to Sioux Falls?
Currently, September is the cheapest month in which you can book a flight from St. Louis to Sioux Falls (average of $297). Flying from St. Louis to Sioux Falls in November is currently the most expensive (average of $514). 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 Sioux Falls?
Reviews of airlines servicing Sioux Falls
Get insights into the airlines that provide service to Sioux Falls. 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 Sioux Falls. Reviews last updated June 7, 2026.
Peruse reviews from past customers who have flown with Delta,United Airlines, andAmerican Airlines from St. Louis to Sioux Falls to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.9
Crew
8.5
Comfort
7.8
Food
7.2
Entertainment
7.8
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Overall
7.9
Crew
8.5
Comfort
7.8
Food
7.2
Entertainment
7.8
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Overall
7.9
Crew
8.5
Comfort
7.8
Food
7.2
Entertainment
7.8
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Overall
7.9
Crew
8.5
Comfort
7.8
Food
7.2
Entertainment
7.8
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Related info for your journey
Find useful and relevant information for your journey from St. Louis to Sioux Falls. 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 Sioux Falls?
Book flights to Sioux Falls if you plan to visit one of these locationsMarshall
Yankton
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St. Louis and Sioux Falls flights
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Top 3 airlines flying from St. Louis to Sioux Falls
Discover the top 3 airlines that operate flights from St. Louis to Sioux Falls. 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 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$216 | Average$363 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$263 | Average$424 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$268 | Average$388 | FlexibilityNo cancel fee | On-time69% |