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Cheap flights from St. Louis to Sioux Falls from $181

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 11/27. 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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Cheap round-trip flights

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Frontier Logo
7:57 pm - 7:36 pmSTL-FSD
23h 39m1 stop
Frontier Logo
8:26 pm - 10:33 pmFSD-STL
26h 07m2 stops
$181Frontier
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Thu, Nov 27 - Mon, Dec 1
Delta Logo
6:00 am - 10:17 amSTL-FSD
4h 17m1 stop
Delta Logo
5:14 am - 9:10 amFSD-STL
3h 56m1 stop
$229Delta
Find Deal
Fri, Dec 5 - Sun, Dec 7
Multiple Airlines Logo
10:44 pm - 12:20 pmSTL-FSD
13h 36m1 stop
Multiple Airlines Logo
2:26 pm - 9:52 amFSD-STL
19h 26m2 stops
$246Multiple Airlines
Find Deal
Fri, Dec 5 - Sun, Dec 7
Multiple Airlines Logo
10:44 pm - 12:20 pmSTL-FSD
13h 36m1 stop
Multiple Airlines Logo
2:26 pm - 8:59 amFSD-STL
18h 33m2 stops
$262Multiple Airlines
Find Deal
Fri, Dec 5 - Sun, Dec 7
American Airlines Logo
6:00 am - 10:27 amSTL-FSD
4h 27m1 stop
American Airlines Logo
7:16 pm - 11:56 pmFSD-STL
4h 40m1 stop
$264American Airlines
Find Deal
Thu, Nov 27 - Mon, Dec 1
American Airlines Logo
8:40 am - 1:13 pmSTL-FSD
4h 33m1 stop
American Airlines Logo
7:16 pm - 11:56 pmFSD-STL
4h 40m1 stop
$279American Airlines
Find Deal
Fri, Nov 28 - Mon, Dec 1
American Airlines Logo
8:01 pm - 12:01 amSTL-FSD
4h 00m1 stop
American Airlines Logo
12:26 pm - 10:21 amFSD-STL
21h 55m1 stop
$297American Airlines
Find Deal
Mon, Jan 5 - Mon, Jan 12
Delta Logo
6:10 am - 12:22 pmSTL-FSD
6h 12m1 stop
Delta Logo
8:10 am - 2:31 pmFSD-STL
6h 21m1 stop
$314Delta
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Sat, Mar 7 - Tue, Mar 10
American Airlines Logo
7:05 am - 12:37 pmSTL-FSD
5h 32m1 stop
American Airlines Logo
1:39 pm - 6:15 pmFSD-STL
4h 36m1 stop
$324American Airlines
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Sat, Mar 7 - Tue, Mar 10
American Airlines Logo
5:14 am - 12:37 pmSTL-FSD
7h 23m1 stop
American Airlines Logo
1:39 pm - 6:15 pmFSD-STL
4h 36m1 stop
$338American Airlines
Find Deal
Sat, Mar 7 - Tue, Mar 10

American Airlines flights from St. Louis to Sioux Falls

Our best American Airlines deals on St. Louis to Sioux Falls flight tickets
American Airlines
Nov 27
STL6:00 amLambert-St Louis
4h 27m
1 stop
FSD10:27 amSioux Falls Joe Foss Field
Dec 1
FSD7:16 pmSioux Falls Joe Foss Field
4h 40m
1 stop
STL11:56 pmLambert-St Louis
$264
Find similar
American Airlines
Nov 28
STL8:40 amLambert-St Louis
4h 33m
1 stop
FSD1:13 pmSioux Falls Joe Foss Field
Dec 1
FSD7:16 pmSioux Falls Joe Foss Field
4h 40m
1 stop
STL11:56 pmLambert-St Louis
$279
Find similar
American Airlines
Jan 5
STL8:01 pmLambert-St Louis
4h 00m
1 stop
FSD12:01 amSioux Falls Joe Foss Field
Jan 12
FSD12:26 pmSioux Falls Joe Foss Field
21h 55m
1 stop
STL10:21 amLambert-St Louis
$297
Find similar

Delta flights from St. Louis to Sioux Falls

Our best Delta deals on St. Louis to Sioux Falls flight tickets
Delta
Dec 5
STL5:34 pmLambert-St Louis
5h 38m
1 stop
FSD11:12 pmSioux Falls Joe Foss Field
Dec 7
FSD5:14 amSioux Falls Joe Foss Field
6h 50m
1 stop
STL12:04 pmLambert-St Louis
$229
Find similar
Delta
Mar 7
STL6:10 amLambert-St Louis
6h 12m
1 stop
FSD12:22 pmSioux Falls Joe Foss Field
Mar 10
FSD8:10 amSioux Falls Joe Foss Field
6h 21m
1 stop
STL2:31 pmLambert-St Louis
$314
Find similar
Delta
Mar 7
STL6:35 amLambert-St Louis
16h 21m
2 stops
FSD10:56 pmSioux Falls Joe Foss Field
Mar 10
FSD1:20 pmSioux Falls Joe Foss Field
3h 30m
1 stop
STL4:50 pmLambert-St Louis
$383
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 13, 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

Thu 11/27

7:57 pm-7:36 pm

1 stop23h 39m

Sioux Falls Joe Foss Field

Mon 12/1

8:26 pm-10:33 pm

2 stops26h 07m

$181

St. LouisSioux Falls

STL - FSD

STLFSD

Lambert-St Louis

Fri 12/5

6:00 am-10:17 am

1 stop4h 17m

Sioux Falls Joe Foss Field

Sun 12/7

5:14 am-9:10 am

1 stop3h 56m

$229

St. LouisSioux Falls

STL - FSD

STLFSD

Lambert-St Louis

Fri 12/5

10:44 pm-12:20 pm

1 stop13h 36m

Sioux Falls Joe Foss Field

Sun 12/7

2:26 pm-9:52 am

2 stops19h 26m

$246

St. LouisSioux Falls

STL - FSD

STLFSD

Lambert-St Louis

Fri 12/5

10:44 pm-12:20 pm

1 stop13h 36m

Sioux Falls Joe Foss Field

Sun 12/7

2:26 pm-8:59 am

2 stops18h 33m

$262

St. LouisSioux Falls

STL - FSD

STLFSD

Lambert-St Louis

Thu 11/27

6:00 am-10:27 am

1 stop4h 27m

Sioux Falls Joe Foss Field

Mon 12/1

7:16 pm-11:56 pm

1 stop4h 40m

$264

St. LouisSioux Falls

STL - FSD

STLFSD

Lambert-St Louis

Fri 11/28

8:40 am-1:13 pm

1 stop4h 33m

Sioux Falls Joe Foss Field

Mon 12/1

7:16 pm-11:56 pm

1 stop4h 40m

$279

St. LouisSioux Falls

STL - FSD

STLFSD

Lambert-St Louis

Mon 1/5

8:01 pm-12:01 am

1 stop4h 00m

Sioux Falls Joe Foss Field

Mon 1/12

12:26 pm-10:21 am

1 stop21h 55m

$297

St. LouisSioux Falls

STL - FSD

STLFSD

Lambert-St Louis

Sat 3/7

6:10 am-12:22 pm

1 stop6h 12m

Sioux Falls Joe Foss Field

Tue 3/10

8:10 am-2:31 pm

1 stop6h 21m

$314

St. LouisSioux Falls

STL - FSD

STLFSD

Lambert-St Louis

Sat 3/7

7:05 am-12:37 pm

1 stop5h 32m

Sioux Falls Joe Foss Field

Tue 3/10

1:39 pm-6:15 pm

1 stop4h 36m

$324

St. LouisSioux Falls

STL - FSD

STLFSD

Lambert-St Louis

Sat 3/7

5:14 am-12:37 pm

1 stop7h 23m

Sioux Falls Joe Foss Field

Tue 3/10

1:39 pm-6:15 pm

1 stop4h 36m

$338

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 resultsSorted by cheapest first
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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 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

Direct flights

None
There are no direct flights from St. Louis to Sioux Falls. There are no popular flight routes from St. Louis to Sioux Falls.
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  • 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 55m.

  • 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
11,051 reviews
Search American Airlines flights
DeltaPriceFrom $218Free CancellationRating
7.9
8,007 reviews
Search Delta flights
United AirlinesPriceFrom $253Free CancellationRating
7.4
9,017 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.

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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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