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Cheap flights from St. Louis to Sioux Falls from $131

This is the cheapest one-way 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 7/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

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
6:20 am - 10:20 am
STL
-
FSD
4h 00m
1 stop
Delta Logo
1:26 pm - 4:44 pm
FSD
-
STL
3h 18m
1 stop
$271Delta
Wed, Aug 5 - Tue, Aug 11
American Airlines Logo
6:36 am - 12:17 pm
STL
-
FSD
5h 41m
1 stop
American Airlines Logo
12:57 pm - 12:14 am
FSD
-
STL
11h 17m
2 stops
$276American Airlines
Wed, Aug 5 - Tue, Aug 11
American Airlines Logo
8:07 pm - 12:30 am
STL
-
FSD
4h 23m
1 stop
American Airlines Logo
5:23 pm - 12:14 am
FSD
-
STL
6h 51m
1 stop
$280American Airlines
Thu, Aug 6 - Tue, Aug 11
American Airlines Logo
8:07 pm - 12:30 am
STL
-
FSD
4h 23m
1 stop
American Airlines Logo
12:57 pm - 12:14 am
FSD
-
STL
11h 17m
2 stops
$285American Airlines
Thu, Aug 6 - Tue, Aug 11
American Airlines Logo
8:07 pm - 12:30 am
STL
-
FSD
4h 23m
1 stop
American Airlines Logo
6:06 pm - 11:42 pm
FSD
-
STL
5h 36m
1 stop
$289American Airlines
Thu, Aug 6 - Thu, Aug 13
American Airlines Logo
7:56 pm - 12:18 am
STL
-
FSD
4h 22m
1 stop
American Airlines Logo
5:34 pm - 11:58 pm
FSD
-
STL
6h 24m
1 stop
$304American Airlines
Thu, Jul 23 - Tue, Jul 28
United Airlines Logo
5:59 pm - 11:31 pm
STL
-
FSD
5h 32m
1 stop
United Airlines Logo
6:51 pm - 11:57 pm
FSD
-
STL
5h 06m
1 stop
$319United Airlines
Fri, Jul 24 - Mon, Jul 27
American Airlines Logo
6:36 am - 12:17 pm
STL
-
FSD
5h 41m
1 stop
American Airlines Logo
5:23 pm - 11:58 pm
FSD
-
STL
6h 35m
1 stop
$324American Airlines
Thu, Aug 6 - Sun, Aug 9
American Airlines Logo
6:36 am - 12:17 pm
STL
-
FSD
5h 41m
1 stop
American Airlines Logo
12:57 pm - 12:14 am
FSD
-
STL
11h 17m
2 stops
$329American Airlines
Fri, Aug 21 - Mon, Aug 24
United Airlines Logo
5:10 am - 10:50 am
STL
-
FSD
5h 40m
1 stop
United Airlines Logo
9:42 am - 4:37 pm
FSD
-
STL
6h 55m
1 stop
$341United Airlines
Wed, Oct 14 - Sat, Oct 17

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Delta flights from St. Louis to Sioux Falls

Our best Delta deals on St. Louis to Sioux Falls flight tickets
Delta
Aug 5
STL6:20 amLambert-St Louis
4h 00m
1 stop
FSD10:20 amSioux Falls Joe Foss Field
Aug 11
FSD1:26 pmSioux Falls Joe Foss Field
3h 18m
1 stop
STL4:44 pmLambert-St Louis
$271
Delta
Aug 7
STL6:20 amLambert-St Louis
6h 18m
1 stop
FSD12:38 pmSioux Falls Joe Foss Field
Aug 10
FSD1:26 pmSioux Falls Joe Foss Field
10h 32m
2 stops
STL11:58 pmLambert-St Louis
$484
Delta
Aug 6
STL6:20 amLambert-St Louis
6h 18m
1 stop
FSD12:38 pmSioux Falls Joe Foss Field
Aug 13
FSD1:26 pmSioux Falls Joe Foss Field
10h 32m
2 stops
STL11:58 pmLambert-St Louis
$563

American Airlines flights from St. Louis to Sioux Falls

Our best American Airlines deals on St. Louis to Sioux Falls flight tickets
American Airlines
Aug 5
STL6:36 amLambert-St Louis
5h 41m
1 stop
FSD12:17 pmSioux Falls Joe Foss Field
Aug 11
FSD12:57 pmSioux Falls Joe Foss Field
11h 17m
2 stops
STL12:14 amLambert-St Louis
$276
American Airlines
Aug 6
STL8:07 pmLambert-St Louis
4h 23m
1 stop
FSD12:30 amSioux Falls Joe Foss Field
Aug 11
FSD5:23 pmSioux Falls Joe Foss Field
6h 51m
1 stop
STL12:14 amLambert-St Louis
$280
American Airlines
Aug 6
STL8:07 pmLambert-St Louis
4h 23m
1 stop
FSD12:30 amSioux Falls Joe Foss Field
Aug 11
FSD12:57 pmSioux Falls Joe Foss Field
11h 17m
2 stops
STL12:14 amLambert-St Louis
$285

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 July 10, 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

Price

Cheapest round-trip
Quickest round-trip

St. LouisSioux Falls

STL - FSD

STLFSD

Lambert-St Louis

Wed 8/5

6:20 am-10:20 am

1 stop4h 00m

Sioux Falls Joe Foss Field

Tue 8/11

1:26 pm-4:44 pm

1 stop3h 18m

$271

St. LouisSioux Falls

STL - FSD

STLFSD

Lambert-St Louis

Wed 8/5

6:36 am-12:17 pm

1 stop5h 41m

Sioux Falls Joe Foss Field

Tue 8/11

12:57 pm-12:14 am

2 stops11h 17m

$276

St. LouisSioux Falls

STL - FSD

STLFSD

Lambert-St Louis

Thu 8/6

8:07 pm-12:30 am

1 stop4h 23m

Sioux Falls Joe Foss Field

Tue 8/11

5:23 pm-12:14 am

1 stop6h 51m

$280

St. LouisSioux Falls

STL - FSD

STLFSD

Lambert-St Louis

Thu 8/6

8:07 pm-12:30 am

1 stop4h 23m

Sioux Falls Joe Foss Field

Tue 8/11

12:57 pm-12:14 am

2 stops11h 17m

$285

St. LouisSioux Falls

STL - FSD

STLFSD

Lambert-St Louis

Thu 8/6

8:07 pm-12:30 am

1 stop4h 23m

Sioux Falls Joe Foss Field

Thu 8/13

6:06 pm-11:42 pm

1 stop5h 36m

$289

St. LouisSioux Falls

STL - FSD

STLFSD

Lambert-St Louis

Thu 7/23

7:56 pm-12:18 am

1 stop4h 22m

Sioux Falls Joe Foss Field

Tue 7/28

5:34 pm-11:58 pm

1 stop6h 24m

$304

St. LouisSioux Falls

STL - FSD

STLFSD

Lambert-St Louis

Fri 7/24

5:59 pm-11:31 pm

1 stop5h 32m

Sioux Falls Joe Foss Field

Mon 7/27

6:51 pm-11:57 pm

1 stop5h 06m

$319

St. LouisSioux Falls

STL - FSD

STLFSD

Lambert-St Louis

Thu 8/6

6:36 am-12:17 pm

1 stop5h 41m

Sioux Falls Joe Foss Field

Sun 8/9

5:23 pm-11:58 pm

1 stop6h 35m

$324

St. LouisSioux Falls

STL - FSD

STLFSD

Lambert-St Louis

Fri 8/21

6:36 am-12:17 pm

1 stop5h 41m

Sioux Falls Joe Foss Field

Mon 8/24

12:57 pm-12:14 am

2 stops11h 17m

$329

St. LouisSioux Falls

STL - FSD

STLFSD

Lambert-St Louis

Wed 10/14

5:10 am-10:50 am

1 stop5h 40m

Sioux Falls Joe Foss Field

Sat 10/17

9:42 am-4:37 pm

1 stop6h 55m

$341

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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2

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 cheapest month to fly to Sioux Falls?

The cheapest month to fly to Sioux Falls from St. Louis is in September. Flight prices, which tend to average around $297, are often lower during this time because this is during the off-season. If you’re not able to fly to Sioux Falls in September, then August is your next best option. Flight prices from St. Louis to Sioux Falls during August average around $330.

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

5h 32m

Direct flights

None
The fastest flight from St. Louis to Sioux Falls takes 5h 32m
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

Frequently asked questions about flying from St. Louis to Sioux Falls

  • 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 5h 32m.

  • 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
DeltaPriceFrom $198Free CancellationRating
7.8
8,456 reviews
Search Delta flights
American AirlinesPriceFrom $263Free CancellationRating
7.1
11,801 reviews
Search American Airlines flights
United AirlinesPriceFrom $298Free CancellationRating
7.4
9,966 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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