$149+ Cheap flights from St. Louis to Sioux Falls (STL - FSD)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/5. Fares are subject to change and may not be available on all flights or dates of travel.
STL — FSD
Nov 24 — Dec 11
Round-trip
1 adult, Economy
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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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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from St. Louis to Sioux Falls
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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 October 25, 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 October 25, 2026.
This American Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/128:15 pm -
1 stop4h 14m
Tue 11/177:18 pm -
1 stop4h 41m
Deal found 10/21![American Airlines logo]()
$319
This American Airlines deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/67:26 am -
1 stop7h 27m
Sun 11/157:18 pm -
1 stop4h 37m
Deal found 10/23![American Airlines logo]()
$334
This Delta deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2511:15 am -
1 stop5h 04m
Tue 12/295:00 am -
1 stop5h 35m
Deal found 10/22![Delta logo]()
$339
This American Airlines deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/412:58 pm -
1 stop7h 56m
Sun 11/87:18 pm -
1 stop4h 37m
Deal found 10/20![American Airlines logo]()
$349
This United Airlines deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/64:39 pm -
1 stop7h 05m
Sun 11/87:48 am -
1 stop4h 22m
Deal found 10/24![United Airlines logo]()
$369
This United Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/274:39 pm -
1 stop7h 05m
Wed 11/46:00 am -
1 stop4h 32m
Deal found 10/21![United Airlines logo]()
$379
This American Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2711:32 am -
2 stops9h 29m
Wed 11/46:00 am -
1 stop8h 04m
Deal found 10/21![American Airlines logo]()
$384
This American Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/293:20 pm -
1 stop5h 53m
Sat 10/317:39 pm -
1 stop4h 40m
Deal found 10/22![American Airlines logo]()
$389
This Delta deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/305:16 pm -
1 stop5h 41m
Sat 1/210:52 am -
1 stop5h 44m
Deal found 10/21![Delta logo]()
$399
This American Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/308:22 pm -
1 stop4h 24m
Sat 1/27:27 pm -
1 stop4h 53m
Deal found 10/22![American Airlines logo]()
$404
This United Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/235:36 pm -
1 stop5h 35m
Sun 10/257:48 am -
1 stop4h 22m
Deal found 10/21![United Airlines logo]()
$409
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 October 25, 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 October 25, 2026.
This American Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/128:15 pm -
1 stop4h 14m
Tue 11/177:18 pm -
1 stop4h 41m
Deal found 10/21![American Airlines logo]()
$319
This Delta deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/305:22 pm -
1 stop5h 38m
Mon 12/75:02 pm -
1 stop6h 24m
Deal found 10/23![Delta logo]()
$319
This United Airlines deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/201:40 pm -
1 stop6h 24m
Mon 11/237:39 am -
1 stop4h 31m
Deal found 10/23![United Airlines logo]()
$319
This American Airlines deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/67:26 am -
1 stop7h 27m
Sun 11/157:18 pm -
1 stop4h 37m
Deal found 10/23![American Airlines logo]()
$334
This Delta deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2511:15 am -
1 stop5h 04m
Tue 12/295:00 am -
1 stop5h 35m
Deal found 10/22![Delta logo]()
$339
This United Airlines deal was found by Cheapflights users on 10/25. 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.
Fri 11/64:39 pm -
1 stop7h 05m
Sun 11/87:48 am -
1 stop4h 22m
Deal found 10/25![United Airlines logo]()
$369
This Delta deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/305:16 pm -
1 stop5h 41m
Sat 1/210:52 am -
1 stop5h 44m
Deal found 10/20![Delta logo]()
$369
This American Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/308:22 pm -
1 stop4h 24m
Sat 1/27:27 pm -
1 stop4h 53m
Deal found 10/22![American Airlines logo]()
$404
This Delta deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2511:15 am -
1 stop5h 04m
Mon 12/2810:52 am -
1 stop3h 52m
Deal found 10/22![Delta logo]()
$419
Last-minute flights from St. Louis to Sioux FallsDiscover last-minute flight deals from St. Louis to Sioux Falls. Data last updated October 25, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Sioux Falls. Data last updated October 25, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/221:36 pm -
1 stop6h 44m
Wed 10/287:48 am -
1 stop6h 41m
Deal found 10/20![United Airlines logo]()
$399
This United Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/235:36 pm -
1 stop5h 35m
Sun 10/257:48 am -
1 stop4h 22m
Deal found 10/21![United Airlines logo]()
$409
This American Airlines deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/235:27 pm -
1 stop7h 14m
Wed 10/2812:53 pm -
2 stops11h 26m
Deal found 10/20![American Airlines logo]()
$415
This United Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/274:39 pm -
1 stop7h 05m
Wed 11/46:00 am -
1 stop4h 32m
Deal found 10/21![United Airlines logo]()
$379
This American Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2711:32 am -
2 stops9h 29m
Wed 11/46:00 am -
1 stop8h 04m
Deal found 10/21![American Airlines logo]()
$384
This American Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/293:20 pm -
1 stop5h 53m
Sat 10/317:39 pm -
1 stop4h 40m
Deal found 10/22![American Airlines logo]()
$389
This American Airlines deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/412:58 pm -
1 stop7h 56m
Sun 11/87:18 pm -
1 stop4h 37m
Deal found 10/20![American Airlines logo]()
$349
This United Airlines deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/46:50 pm -
1 stop4h 39m
Sun 11/87:48 am -
1 stop4h 22m
Deal found 10/20![United Airlines logo]()
$439
This American Airlines deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/67:26 am -
1 stop7h 27m
Sun 11/157:18 pm -
1 stop4h 37m
Deal found 10/23![American Airlines logo]()
$334
This United Airlines deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/64:39 pm -
1 stop7h 05m
Sun 11/87:48 am -
1 stop4h 22m
Deal found 10/24![United Airlines logo]()
$369
This American Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/128:15 pm -
1 stop4h 14m
Tue 11/177:18 pm -
1 stop4h 41m
Deal found 10/21![American Airlines logo]()
$319
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 October 25, 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 October 25, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/52:00 pm -
2 stops18h 38m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Multiple Airlines logo]()
$149
This Kiwi.com deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/292:10 pm -
2 stops29h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![Multiple Airlines logo]()
$184
This Kiwi.com deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/82:00 pm -
2 stops18h 38m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Multiple Airlines logo]()
$236
This Kiwi.com deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/67:59 pm -
2 stops15h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Multiple Airlines logo]()
$283
This Kiwi.com deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/77:59 pm -
2 stops17h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Multiple Airlines logo]()
$289
This American Airlines deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/37:26 am -
1 stop4h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![American Airlines logo]()
$333
This American Airlines deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/67:26 am -
1 stop7h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![American Airlines logo]()
$384
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 October 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $319 (American Airlines) |
One-way from | $149 (Kiwi.com) |
Popular in | July |
Cheapest in | December |
Average price | $422 |
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 7,457,451 searches. Data last updated October 25, 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 Lambert-St Louis - FSD Sioux Falls Joe Foss Field
STLFSD
Lambert-St Louis
Thu 11/5
2:00 pm-8:38 am
2 stops18h 38m
Sioux Falls Joe Foss Field
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$149
St. LouisSioux Falls
STL Lambert-St Louis - FSD Sioux Falls Joe Foss Field
STLFSD
Lambert-St Louis
Thu 10/29
2:10 pm-7:19 pm
2 stops29h 09m
Sioux Falls Joe Foss Field
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$184
St. LouisSioux Falls
STL Lambert-St Louis - FSD Sioux Falls Joe Foss Field
STLFSD
Lambert-St Louis
Thu 11/12
8:15 pm-12:29 am
1 stop4h 14m
Sioux Falls Joe Foss Field
Tue 11/17
7:18 pm-11:59 pm
1 stop4h 41m
$319
St. LouisSioux Falls
STL Lambert-St Louis - FSD Sioux Falls Joe Foss Field
STLFSD
Lambert-St Louis
Mon 11/30
5:22 pm-11:00 pm
1 stop5h 38m
Sioux Falls Joe Foss Field
Mon 12/7
5:02 pm-11:26 pm
1 stop6h 24m
$319
St. LouisSioux Falls
STL Lambert-St Louis - FSD Sioux Falls Joe Foss Field
STLFSD
Lambert-St Louis
Fri 11/20
1:40 pm-8:04 pm
1 stop6h 24m
Sioux Falls Joe Foss Field
Mon 11/23
7:39 am-12:10 pm
1 stop4h 31m
$319
St. LouisSioux Falls
STL Lambert-St Louis - FSD Sioux Falls Joe Foss Field
STLFSD
Lambert-St Louis
Sun 11/8
12:46 pm-7:32 pm
1 stop6h 46m
Sioux Falls Joe Foss Field
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$333
Quickest round-trip
St. LouisSioux Falls
STL Lambert-St Louis - FSD Sioux Falls Joe Foss Field
STLFSD
Lambert-St Louis
Thu 11/5
2:54 pm-8:54 pm
1 stop6h 00m
Sioux Falls Joe Foss Field
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$333
St. LouisSioux Falls
STL Lambert-St Louis - FSD Sioux Falls Joe Foss Field
STLFSD
Lambert-St Louis
Sat 11/7
5:16 pm-12:29 am
1 stop7h 13m
Sioux Falls Joe Foss Field
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$333
St. LouisSioux Falls
STL Lambert-St Louis - FSD Sioux Falls Joe Foss Field
STLFSD
Lambert-St Louis
Fri 11/6
7:26 am-2:53 pm
1 stop7h 27m
Sioux Falls Joe Foss Field
Sun 11/15
7:18 pm-11:55 pm
1 stop4h 37m
$334
St. LouisSioux Falls
STL Lambert-St Louis - FSD Sioux Falls Joe Foss Field
STLFSD
Lambert-St Louis
Fri 12/25
11:15 am-4:19 pm
1 stop5h 04m
Sioux Falls Joe Foss Field
Tue 12/29
5:00 am-10:35 am
1 stop5h 35m
$339
Showing 1-10 of 16 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 October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 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, December is the cheapest month in which you can book a flight from St. Louis to Sioux Falls (average of $371). Flying from St. Louis to Sioux Falls in July is currently the most expensive (average of $826). 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?
Airfare is below average for this route at the moment.
St. Louis to Sioux Falls flights typically cost between $402 and $526 in November.The cheapest round-trip price found within the last 5 days was $319 on American Airlines (Nov 12-Nov 17).
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 October 25, 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.
Comfort
7.8
Food
7.2
Crew
8.5
Boarding
8.1
Overall
7.8
Entertainment
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Comfort
7.8
Food
7.2
Crew
8.5
Boarding
8.1
Overall
7.8
Entertainment
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Comfort
7.8
Food
7.2
Crew
8.5
Boarding
8.1
Overall
7.8
Entertainment
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Comfort
7.8
Food
7.2
Crew
8.5
Boarding
8.1
Overall
7.8
Entertainment
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
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 locationsYankton
Marshall
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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 7,457,451 searches. Data last updated October 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$249 | Average$414 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$289 | Average$401 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$318 | Average$414 | FlexibilityNo cancel fee | On-time71% |