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Cheap flights from St. Louis to Sioux Falls from $264

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 9/7. 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.
American Airlines Logo
6:36 am - 12:17 pmSTL  Lambert-St Louis-FSD Sioux Falls Joe Foss Field
5h 41m1 stop Dallas/Fort Worth
American Airlines Logo
12:56 pm - 7:07 pmFSD  Sioux Falls Joe Foss Field-STL Lambert-St Louis
6h 11m1 stop Dallas/Fort Worth
$281American Airlines
Tue, Sep 8 - Tue, Sep 15
American Airlines Logo
8:07 pm - 12:30 amSTL  Lambert-St Louis-FSD Sioux Falls Joe Foss Field
4h 23m1 stop Chicago O'Hare Intl
American Airlines Logo
12:56 pm - 12:27 amFSD  Sioux Falls Joe Foss Field-STL Lambert-St Louis
11h 31m2 stops Dallas/Fort Worth Chicago O'Hare Intl
$286American Airlines
Tue, Sep 8 - Tue, Sep 15
American Airlines Logo
5:00 am - 11:41 amSTL  Lambert-St Louis-FSD Sioux Falls Joe Foss Field
6h 41m1 stop Chicago O'Hare Intl
American Airlines Logo
2:48 pm - 8:57 pmFSD  Sioux Falls Joe Foss Field-STL Lambert-St Louis
6h 09m1 stop Chicago O'Hare Intl
$290American Airlines
Wed, Oct 7 - Fri, Oct 23
American Airlines Logo
5:00 am - 11:36 amSTL  Lambert-St Louis-FSD Sioux Falls Joe Foss Field
6h 36m1 stop Chicago O'Hare Intl
American Airlines Logo
5:59 pm - 11:43 pmFSD  Sioux Falls Joe Foss Field-STL Lambert-St Louis
5h 44m1 stop Dallas/Fort Worth
$290American Airlines
Thu, Sep 17 - Sat, Sep 19
United Airlines Logo
5:30 pm - 11:12 pmSTL  Lambert-St Louis-FSD Sioux Falls Joe Foss Field
5h 42m1 stop Chicago O'Hare Intl
United Airlines Logo
7:40 am - 12:02 pmFSD  Sioux Falls Joe Foss Field-STL Lambert-St Louis
4h 22m1 stop Chicago O'Hare Intl
$299United Airlines
Thu, Sep 10 - Sun, Sep 13
United Airlines Logo
6:50 pm - 11:29 pmSTL  Lambert-St Louis-FSD Sioux Falls Joe Foss Field
4h 39m1 stop Chicago O'Hare Intl
United Airlines Logo
6:00 am - 10:32 amFSD  Sioux Falls Joe Foss Field-STL Lambert-St Louis
4h 32m1 stop Chicago O'Hare Intl
$299United Airlines
Thu, Nov 12 - Sun, Nov 15
United Airlines Logo
5:30 pm - 11:22 pmSTL  Lambert-St Louis-FSD Sioux Falls Joe Foss Field
5h 52m1 stop Chicago O'Hare Intl
United Airlines Logo
7:47 am - 12:02 pmFSD  Sioux Falls Joe Foss Field-STL Lambert-St Louis
4h 15m1 stop Chicago O'Hare Intl
$314United Airlines
Fri, Sep 4 - Mon, Sep 7
United Airlines Logo
1:40 pm - 8:04 pmSTL  Lambert-St Louis-FSD Sioux Falls Joe Foss Field
6h 24m1 stop Denver Intl
United Airlines Logo
6:00 am - 10:32 amFSD  Sioux Falls Joe Foss Field-STL Lambert-St Louis
4h 32m1 stop Chicago O'Hare Intl
$322United Airlines
Thu, Nov 5 - Sat, Nov 14
Multiple Airlines Logo
2:00 pm - 8:38 amSTL  Lambert-St Louis-FSD Sioux Falls Joe Foss Field
18h 38m2 stops Jonesboro Nashville Intl
Multiple Airlines Logo
2:18 pm - 10:39 pmFSD  Sioux Falls Joe Foss Field-STL Lambert-St Louis
8h 21m1 stop Las Vegas Harry Reid Intl
$412Multiple Airlines
Thu, Nov 12 - Sun, Nov 15
Delta Logo
6:20 am - 10:20 amSTL  Lambert-St Louis-FSD Sioux Falls Joe Foss Field
4h 00m1 stop Minneapolis St Paul
Delta Logo
5:00 am - 8:37 amFSD  Sioux Falls Joe Foss Field-STL Lambert-St Louis
3h 37m1 stop Minneapolis St Paul
$645Delta
Thu, Aug 27 - Fri, Aug 28

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American Airlines flights from St. Louis to Sioux Falls

Our best American Airlines deals on St. Louis to Sioux Falls flight tickets
American Airlines
Sep 8
STL6:36 amLambert-St Louis
5h 41m
1 stop
FSD12:17 pmSioux Falls Joe Foss Field
Sep 15
FSD12:56 pmSioux Falls Joe Foss Field
6h 11m
1 stop
STL7:07 pmLambert-St Louis
$281
American Airlines
Sep 8
STL8:07 pmLambert-St Louis
4h 23m
1 stop
FSD12:30 amSioux Falls Joe Foss Field
Sep 15
FSD12:56 pmSioux Falls Joe Foss Field
11h 31m
2 stops
STL12:27 amLambert-St Louis
$286
American Airlines
Sep 17
STL5:00 amLambert-St Louis
6h 36m
1 stop
FSD11:36 amSioux Falls Joe Foss Field
Sep 19
FSD5:59 pmSioux Falls Joe Foss Field
5h 44m
1 stop
STL11:43 pmLambert-St Louis
$290

United Airlines flights from St. Louis to Sioux Falls

Our best United Airlines deals on St. Louis to Sioux Falls flight tickets
United Airlines
Sep 4
STL5:30 pmLambert-St Louis
5h 52m
1 stop
FSD11:22 pmSioux Falls Joe Foss Field
Sep 7
FSD7:47 amSioux Falls Joe Foss Field
4h 15m
1 stop
STL12:02 pmLambert-St Louis
$314
United Airlines
Nov 5
STL1:40 pmLambert-St Louis
6h 24m
1 stop
FSD8:04 pmSioux Falls Joe Foss Field
Nov 14
FSD6:00 amSioux Falls Joe Foss Field
4h 32m
1 stop
STL10:32 amLambert-St Louis
$322
United Airlines
Aug 21
STL4:40 pmLambert-St Louis
7h 04m
1 stop
FSD11:44 pmSioux Falls Joe Foss Field
Aug 22
FSD11:12 amSioux Falls Joe Foss Field
4h 19m
1 stop
STL3:31 pmLambert-St Louis
$324

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 August 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

St. LouisSioux Falls

STL Lambert-St Louis - FSD Sioux Falls Joe Foss Field

STLFSD

Lambert-St Louis

Tue 9/8

6:36 am-12:17 pm

1 stop5h 41m

Sioux Falls Joe Foss Field

Tue 9/15

12:56 pm-7:07 pm

1 stop6h 11m

$281

St. LouisSioux Falls

STL Lambert-St Louis - FSD Sioux Falls Joe Foss Field

STLFSD

Lambert-St Louis

Tue 9/8

8:07 pm-12:30 am

1 stop4h 23m

Sioux Falls Joe Foss Field

Tue 9/15

12:56 pm-12:27 am

2 stops11h 31m

$286

St. LouisSioux Falls

STL Lambert-St Louis - FSD Sioux Falls Joe Foss Field

STLFSD

Lambert-St Louis

Wed 10/7

5:00 am-11:41 am

1 stop6h 41m

Sioux Falls Joe Foss Field

Fri 10/23

2:48 pm-8:57 pm

1 stop6h 09m

$290

St. LouisSioux Falls

STL Lambert-St Louis - FSD Sioux Falls Joe Foss Field

STLFSD

Lambert-St Louis

Thu 9/17

5:00 am-11:36 am

1 stop6h 36m

Sioux Falls Joe Foss Field

Sat 9/19

5:59 pm-11:43 pm

1 stop5h 44m

$290

St. LouisSioux Falls

STL Lambert-St Louis - FSD Sioux Falls Joe Foss Field

STLFSD

Lambert-St Louis

Thu 9/10

5:30 pm-11:12 pm

1 stop5h 42m

Sioux Falls Joe Foss Field

Sun 9/13

7:40 am-12:02 pm

1 stop4h 22m

$299

St. LouisSioux Falls

STL Lambert-St Louis - FSD Sioux Falls Joe Foss Field

STLFSD

Lambert-St Louis

Thu 11/12

6:50 pm-11:29 pm

1 stop4h 39m

Sioux Falls Joe Foss Field

Sun 11/15

6:00 am-10:32 am

1 stop4h 32m

$299

St. LouisSioux Falls

STL Lambert-St Louis - FSD Sioux Falls Joe Foss Field

STLFSD

Lambert-St Louis

Fri 9/4

5:30 pm-11:22 pm

1 stop5h 52m

Sioux Falls Joe Foss Field

Mon 9/7

7:47 am-12:02 pm

1 stop4h 15m

$314

St. LouisSioux Falls

STL Lambert-St Louis - FSD Sioux Falls Joe Foss Field

STLFSD

Lambert-St Louis

Thu 11/5

1:40 pm-8:04 pm

1 stop6h 24m

Sioux Falls Joe Foss Field

Sat 11/14

6:00 am-10:32 am

1 stop4h 32m

$322

St. LouisSioux Falls

STL Lambert-St Louis - FSD Sioux Falls Joe Foss Field

STLFSD

Lambert-St Louis

Thu 11/12

2:00 pm-8:38 am

2 stops18h 38m

Sioux Falls Joe Foss Field

Sun 11/15

2:18 pm-10:39 pm

1 stop8h 21m

$412
Quickest round-trip

St. LouisSioux Falls

STL Lambert-St Louis - FSD Sioux Falls Joe Foss Field

STLFSD

Lambert-St Louis

Thu 8/27

6:20 am-10:20 am

1 stop4h 00m

Sioux Falls Joe Foss Field

Fri 8/28

5:00 am-8:37 am

1 stop3h 37m

$645

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 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?

Prices are currently low for flights on this route.

Typical prices usually range from $330 to $442.
The lowest price recently found on this route was $281.

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

4h 39m

Direct flights

None
The fastest flight from St. Louis to Sioux Falls takes 4h 39m
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 4h 39m.

  • 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
8,497 reviews
Search Delta flights
American AirlinesPriceFrom $297Free CancellationRating
7.1
11,897 reviews
Search American Airlines flights
United AirlinesPriceFrom $298Free CancellationRating
7.4
10,095 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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