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Cheap flights from St. Louis to Sioux Falls from $229

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Sioux Falls departing on 1/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from St. Louis to Sioux Falls

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
11:23 am - 3:37 pmSTL-FSD
4h 14m1 stop
Delta Logo
5:00 am - 10:43 amFSD-STL
5h 43m1 stop
$229Delta
Find Deal
Sat, Jan 24 - Wed, Jan 28
United Airlines Logo
4:37 pm - 11:43 pmSTL-FSD
7h 06m1 stop
United Airlines Logo
8:00 am - 2:25 pmFSD-STL
6h 25m1 stop
$255United Airlines
Find Deal
Wed, Dec 10 - Sun, Dec 14
Delta Logo
6:00 am - 10:20 amSTL-FSD
4h 20m1 stop
Delta Logo
8:01 am - 12:14 pmFSD-STL
4h 13m1 stop
$259Delta
Find Deal
Tue, Dec 9 - Sat, Dec 13
Frontier Logo
7:43 pm - 1:31 pmSTL-FSD
17h 48m1 stop
Frontier Logo
2:26 pm - 9:52 amFSD-STL
19h 26m2 stops
$266Frontier
Find Deal
Wed, Dec 10 - Sun, Dec 14
Multiple Airlines Logo
7:43 pm - 1:31 pmSTL-FSD
17h 48m1 stop
Multiple Airlines Logo
11:55 am - 9:48 pmFSD-STL
9h 53m1 stop
$279Multiple Airlines
Find Deal
Wed, Dec 10 - Fri, Dec 12
American Airlines Logo
2:06 pm - 6:59 pmSTL-FSD
4h 53m1 stop
American Airlines Logo
12:26 pm - 10:20 amFSD-STL
21h 54m1 stop
$293American Airlines
Find Deal
Mon, Jan 5 - Mon, Jan 12
American Airlines Logo
2:06 pm - 6:59 pmSTL-FSD
4h 53m1 stop
American Airlines Logo
5:35 pm - 10:59 pmFSD-STL
5h 24m1 stop
$299American Airlines
Find Deal
Mon, Jan 5 - Mon, Jan 12
American Airlines Logo
8:01 pm - 11:59 pmSTL-FSD
3h 58m1 stop
American Airlines Logo
7:29 pm - 8:48 amFSD-STL
13h 19m1 stop
$301American Airlines
Find Deal
Fri, Dec 26 - Tue, Dec 30
American Airlines Logo
9:08 am - 3:45 pmSTL-FSD
6h 37m1 stop
American Airlines Logo
5:16 pm - 10:56 pmFSD-STL
5h 40m1 stop
$313American Airlines
Find Deal
Thu, Dec 25 - Thu, Jan 1
Multiple Airlines Logo
7:43 pm - 1:31 pmSTL-FSD
17h 48m1 stop
Multiple Airlines Logo
10:12 am - 6:36 pmFSD-STL
8h 24m2 stops
$315Multiple Airlines
Find Deal
Wed, Dec 10 - Fri, Dec 12

American Airlines flights from St. Louis to Sioux Falls

Our best American Airlines deals on St. Louis to Sioux Falls flight tickets
American Airlines
Jan 5
STL2:06 pmLambert-St Louis
4h 53m
1 stop
FSD6:59 pmSioux Falls Joe Foss Field
Jan 12
FSD12:26 pmSioux Falls Joe Foss Field
21h 54m
1 stop
STL10:20 amLambert-St Louis
$293
Find similar
American Airlines
Jan 5
STL2:06 pmLambert-St Louis
4h 53m
1 stop
FSD6:59 pmSioux Falls Joe Foss Field
Jan 12
FSD5:35 pmSioux Falls Joe Foss Field
5h 24m
1 stop
STL10:59 pmLambert-St Louis
$299
Find similar
American Airlines
Dec 26
STL8:01 pmLambert-St Louis
3h 58m
1 stop
FSD11:59 pmSioux Falls Joe Foss Field
Dec 30
FSD7:29 pmSioux Falls Joe Foss Field
13h 19m
1 stop
STL8:48 amLambert-St Louis
$301
Find similar

Delta flights from St. Louis to Sioux Falls

Our best Delta deals on St. Louis to Sioux Falls flight tickets
Delta
Jan 24
STL11:23 amLambert-St Louis
4h 14m
1 stop
FSD3:37 pmSioux Falls Joe Foss Field
Jan 28
FSD5:00 amSioux Falls Joe Foss Field
5h 43m
1 stop
STL10:43 amLambert-St Louis
$229
Find similar
Delta
Dec 9
STL6:00 amLambert-St Louis
4h 20m
1 stop
FSD10:20 amSioux Falls Joe Foss Field
Dec 13
FSD8:01 amSioux Falls Joe Foss Field
4h 13m
1 stop
STL12:14 pmLambert-St Louis
$259
Find similar
Delta
Dec 3
STL6:00 amLambert-St Louis
4h 20m
1 stop
FSD10:20 amSioux Falls Joe Foss Field
Dec 6
FSD5:14 amSioux Falls Joe Foss Field
7h 00m
1 stop
STL12:14 pmLambert-St Louis
$299
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated November 26, 2025.
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

Price

St. LouisSioux Falls

STL - FSD

STLFSD

Lambert-St Louis

Sat 1/24

11:23 am-3:37 pm

1 stop4h 14m

Sioux Falls Joe Foss Field

Wed 1/28

5:00 am-10:43 am

1 stop5h 43m

$229

St. LouisSioux Falls

STL - FSD

STLFSD

Lambert-St Louis

Wed 12/10

4:37 pm-11:43 pm

1 stop7h 06m

Sioux Falls Joe Foss Field

Sun 12/14

8:00 am-2:25 pm

1 stop6h 25m

$255

St. LouisSioux Falls

STL - FSD

STLFSD

Lambert-St Louis

Tue 12/9

6:00 am-10:20 am

1 stop4h 20m

Sioux Falls Joe Foss Field

Sat 12/13

8:01 am-12:14 pm

1 stop4h 13m

$259

St. LouisSioux Falls

STL - FSD

STLFSD

Lambert-St Louis

Wed 12/10

7:43 pm-1:31 pm

1 stop17h 48m

Sioux Falls Joe Foss Field

Sun 12/14

2:26 pm-9:52 am

2 stops19h 26m

$266

St. LouisSioux Falls

STL - FSD

STLFSD

Lambert-St Louis

Wed 12/10

7:43 pm-1:31 pm

1 stop17h 48m

Sioux Falls Joe Foss Field

Fri 12/12

11:55 am-9:48 pm

1 stop9h 53m

$279

St. LouisSioux Falls

STL - FSD

STLFSD

Lambert-St Louis

Mon 1/5

2:06 pm-6:59 pm

1 stop4h 53m

Sioux Falls Joe Foss Field

Mon 1/12

12:26 pm-10:20 am

1 stop21h 54m

$293

St. LouisSioux Falls

STL - FSD

STLFSD

Lambert-St Louis

Mon 1/5

2:06 pm-6:59 pm

1 stop4h 53m

Sioux Falls Joe Foss Field

Mon 1/12

5:35 pm-10:59 pm

1 stop5h 24m

$299

St. LouisSioux Falls

STL - FSD

STLFSD

Lambert-St Louis

Fri 12/26

8:01 pm-11:59 pm

1 stop3h 58m

Sioux Falls Joe Foss Field

Tue 12/30

7:29 pm-8:48 am

1 stop13h 19m

$301

St. LouisSioux Falls

STL - FSD

STLFSD

Lambert-St Louis

Thu 12/25

9:08 am-3:45 pm

1 stop6h 37m

Sioux Falls Joe Foss Field

Thu 1/1

5:16 pm-10:56 pm

1 stop5h 40m

$313

St. LouisSioux Falls

STL - FSD

STLFSD

Lambert-St Louis

Wed 12/10

7:43 pm-1:31 pm

1 stop17h 48m

Sioux Falls Joe Foss Field

Fri 12/12

10:12 am-6:36 pm

2 stops8h 24m

$315

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
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See travel insights to Sioux Falls from

How to get the cheapest flight ticket from St. Louis to Sioux Falls

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between St. Louis and Sioux Falls?

What is the cheapest month to fly to Sioux Falls?

The cheapest month to fly to Sioux Falls from St. Louis is in February. Flight prices, which tend to average around $228, are often lower during this time because this is during the off-season. If you’re not able to fly to Sioux Falls in February, then January is your next best option. Flight prices from St. Louis to Sioux Falls during January average around $268.

What is the cheapest day to depart on your flight to Sioux Falls?

The cheapest day to depart on your flight to Sioux Falls is on a Saturday when prices can be found for as low as $245. This is often the case because there is less demand to fly during this day of the week. On the other hand, Monday is the most expensive day to depart from St. Louis because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $540.

What is the cheapest time of day to depart on your flight to Sioux Falls?

Our most recent data shows that the best time of day to fly to Sioux Falls is in the afternoon. Flights from St. Louis to Sioux Falls during this time can be as low as $298. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $614 on average. Flights to Sioux Falls from St. Louis at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

When to book flights from St. Louis to Sioux Falls

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to Sioux Falls according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap St. Louis to Sioux Falls (STL to FSD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Sioux Falls

Fastest flight time

4h 14m

Direct flights

None
The fastest flight from St. Louis to Sioux Falls takes 4h 14m
There are no direct flights from St. Louis to Sioux Falls. There are no popular flight routes from St. Louis to Sioux Falls.
Search flight deals

  • How far is Lambert-St Louis to Sioux Falls Joe Foss Field by plane?

    A flight from Lambert-St Louis to Sioux Falls Joe Foss Field will travel around 480.2 mi. By plane, this route typically takes 3h 58m.

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Sioux Falls Joe Foss Field Airport?

    Prices for flights from Lambert-St Louis Airport to Sioux Falls Joe Foss Field Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Sioux Falls Joe Foss Field Airport?

  • How old do you have to be to fly from Lambert-St Louis Airport to Sioux Falls Joe Foss Field Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Sioux Falls Joe Foss Field Airport.

  • What documentation or ID do you need to fly to Sioux Falls Joe Foss Field Airport?

    The travel and health documents you'll need for your trip to Sioux Falls Joe Foss Field Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Sioux Falls Joe Foss Field Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from St. Louis to Sioux Falls?

Best airlines flying from St. Louis to Sioux Falls

Compare and see reviews for airlines that fly from St. Louis to Sioux Falls with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $213Free CancellationRating
7.2
11,038 reviews
Search American Airlines flights
DeltaPriceFrom $218Free CancellationRating
7.9
7,998 reviews
Search Delta flights
United AirlinesPriceFrom $253Free CancellationRating
7.4
9,046 reviews
Search United Airlines flights

Traveling to a place near Sioux Falls?

Book flights to Sioux Falls if you plan to visit one of these locations
Yankton
Marshall
Worthington

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Sioux Falls?

Finding the right flight to Sioux Falls from St. Louis is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Sioux Falls quick and easy, saving you time and money.

Can I find flights from St. Louis to Sioux Falls with flexible booking policies on momondo?

momondo does allow users to show only those flights to Sioux Falls from St. Louis which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from St. Louis to Sioux Falls?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from St. Louis to Sioux Falls.

I’m not ready to book a flight from St. Louis to Sioux Falls right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of St. Louis to Sioux Falls flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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