What airlines fly to South Dakota?

United Airlines, American Airlines and Delta are the top three most popular airlines that fly to South Dakota from St. Louis according to our data. United Airlines is the first choice among our users, with 37% of people opting to fly with this airline when traveling to South Dakota. Keep in mind that there are 3 different airlines that fly to South Dakota on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Lambert-St Louis to South Dakota?

United Airlines and Delta are the most popular carriers operating from Lambert-St Louis to South Dakota

When did momondo last update prices for flights from Lambert-St Louis Airport to South Dakota?

Prices for flights from Lambert-St Louis Airport to South Dakota refresh daily.

How many operators does momondo search for flights from Lambert-St Louis Airport to South Dakota?

There are 3 operators available for flights from Lambert-St Louis Airport to South Dakota as of February 2026.

How old do you have to be to fly from Lambert-St Louis Airport to South Dakota?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to South Dakota.

What documentation or ID do you need to fly to South Dakota?

The travel and health documents you'll need for your trip to South Dakota 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 South Dakota. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$165 Cheap Flights from St. Louis to South Dakota in 2026

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from St. Louis to South Dakota

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:29 pm - 10:55 pm

STL

FSD

5h 26m

1 stop

10:50 am - 2:54 pm

FSD

STL

4h 04m

1 stop

$259Delta

Tue, Feb 24 - Sat, Feb 28

6:10 am - 10:08 am

STL

FSD

3h 58m

1 stop

10:50 am - 2:54 pm

FSD

STL

4h 04m

1 stop

$269Delta

Thu, Feb 26 - Sat, Feb 28

6:10 am - 10:09 am

STL

RAP

4h 59m

1 stop

6:00 am - 2:24 pm

RAP

STL

7h 24m

1 stop

$269Delta

Thu, Mar 5 - Wed, Mar 11

8:41 am - 3:17 pm

STL

RAP

7h 36m

1 stop

12:25 pm - 8:26 pm

RAP

STL

7h 01m

1 stop

$279United Airlines

Tue, Feb 24 - Sat, Feb 28

8:41 am - 3:17 pm

STL

RAP

7h 36m

1 stop

12:25 pm - 9:05 pm

RAP

STL

7h 40m

2 stops

$284United Airlines

Tue, Feb 24 - Sat, Feb 28

7:05 am - 11:59 am

STL

FSD

4h 54m

1 stop

7:39 pm - 11:46 pm

FSD

STL

4h 07m

1 stop

$288American Airlines

Fri, Apr 10 - Mon, Apr 13

11:25 am - 6:54 pm

STL

RAP

8h 29m

2 stops

12:25 pm - 9:05 pm

RAP

STL

7h 40m

2 stops

$289United Airlines

Tue, Feb 24 - Sat, Feb 28

5:46 am - 11:23 am

STL

RAP

6h 37m

1 stop

11:53 am - 7:33 pm

RAP

STL

6h 40m

1 stop

$304American Airlines

Thu, Apr 9 - Sun, Apr 12

3:49 pm - 11:13 am

STL

FSD

19h 24m

1 stop

1:59 pm - 1:56 pm

FSD

STL

23h 57m

1 stop

$439Multiple Airlines

Mon, Feb 23 - Fri, Feb 27

10:11 pm - 11:54 am

STL

FSD

13h 43m

1 stop

6:09 pm - 6:51 am

FSD

STL

36h 42m

2 stops

$441Multiple Airlines

Thu, Feb 26 - Mon, Mar 2

Delta flights from St. Louis to South Dakota

Our best Delta deals on St. Louis to South Dakota flight tickets

Delta

Feb 26

STL6:10 amLambert-St Louis

3h 58m

1 stop

FSD10:08 amSioux Falls Joe Foss Field

Feb 28

FSD10:50 amSioux Falls Joe Foss Field

4h 04m

1 stop

STL2:54 pmLambert-St Louis

$269

Delta

Mar 11

STL5:25 pmLambert-St Louis

6h 00m

1 stop

RAP10:25 pmRapid City

Mar 18

RAP6:00 amRapid City

4h 48m

1 stop

STL11:48 amLambert-St Louis

$279

Delta

May 2

STL5:35 pmLambert-St Louis

5h 45m

1 stop

RAP10:20 pmRapid City

May 9

RAP11:10 amRapid City

9h 04m

2 stops

STL9:14 pmLambert-St Louis

$309

United Airlines flights from St. Louis to South Dakota

Our best United Airlines deals on St. Louis to South Dakota flight tickets

United Airlines

Feb 26

STL2:45 pmLambert-St Louis

5h 54m

1 stop

FSD8:39 pmSioux Falls Joe Foss Field

Mar 2

FSD6:45 pmSioux Falls Joe Foss Field

4h 14m

1 stop

STL10:59 pmLambert-St Louis

$259

United Airlines

Feb 20

STL7:41 amLambert-St Louis

6h 59m

1 stop

FSD2:40 pmSioux Falls Joe Foss Field

Feb 22

FSD9:00 amSioux Falls Joe Foss Field

7h 58m

1 stop

STL4:58 pmLambert-St Louis

$299

United Airlines

Feb 25

STL2:45 pmLambert-St Louis

5h 54m

1 stop

FSD8:39 pmSioux Falls Joe Foss Field

Mar 1

FSD6:45 pmSioux Falls Joe Foss Field

4h 14m

1 stop

STL10:59 pmLambert-St Louis

$319

Fly from

Fly to

Route

Depart

Return

Price

St. LouisSioux Falls

STL - FSD

STLFSD

Lambert-St Louis

Tue 2/24

5:29 pm-10:55 pm

1 stop5h 26m

Sioux Falls Joe Foss Field

Sat 2/28

10:50 am-2:54 pm

1 stop4h 04m

$259

St. LouisSioux Falls

STL - FSD

STLFSD

Lambert-St Louis

Thu 2/26

6:10 am-10:08 am

1 stop3h 58m

Sioux Falls Joe Foss Field

Sat 2/28

10:50 am-2:54 pm

1 stop4h 04m

$269

St. LouisRapid City

STL - RAP

STLRAP

Lambert-St Louis

Thu 3/5

6:10 am-10:09 am

1 stop4h 59m

Rapid City

Wed 3/11

6:00 am-2:24 pm

1 stop7h 24m

$269

St. LouisRapid City

STL - RAP

STLRAP

Lambert-St Louis

Tue 2/24

8:41 am-3:17 pm

1 stop7h 36m

Rapid City

Sat 2/28

12:25 pm-8:26 pm

1 stop7h 01m

$279

St. LouisRapid City

STL - RAP

STLRAP

Lambert-St Louis

Tue 2/24

8:41 am-3:17 pm

1 stop7h 36m

Rapid City

Sat 2/28

12:25 pm-9:05 pm

2 stops7h 40m

$284

St. LouisSioux Falls

STL - FSD

STLFSD

Lambert-St Louis

Fri 4/10

7:05 am-11:59 am

1 stop4h 54m

Sioux Falls Joe Foss Field

Mon 4/13

7:39 pm-11:46 pm

1 stop4h 07m

$288

St. LouisRapid City

STL - RAP

STLRAP

Lambert-St Louis

Tue 2/24

11:25 am-6:54 pm

2 stops8h 29m

Rapid City

Sat 2/28

12:25 pm-9:05 pm

2 stops7h 40m

$289

St. LouisRapid City

STL - RAP

STLRAP

Lambert-St Louis

Thu 4/9

5:46 am-11:23 am

1 stop6h 37m

Rapid City

Sun 4/12

11:53 am-7:33 pm

1 stop6h 40m

$304

St. LouisSioux Falls

STL - FSD

STLFSD

Lambert-St Louis

Mon 2/23

3:49 pm-11:13 am

1 stop19h 24m

Sioux Falls Joe Foss Field

Fri 2/27

1:59 pm-1:56 pm

1 stop23h 57m

$439

St. LouisSioux Falls

STL - FSD

STLFSD

Lambert-St Louis

Thu 2/26

10:11 pm-11:54 am

1 stop13h 43m

Sioux Falls Joe Foss Field

Mon 3/2

6:09 pm-6:51 am

2 stops36h 42m

$441

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first

How to get the cheapest flight ticket from St. Louis to South Dakota

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

Prices

Airlines

What is the cheapest month to fly to South Dakota?

The month of May is, on average, the cheapest month to fly to South Dakota from St. Louis, with most prices found around $293. If you aren’t able to travel to South Dakota during the month of May, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $297.

Cheap St. Louis to South Dakota flight deals and tips

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

Fastest flight time	3h 52m
Direct flights	None

The fastest flight from St. Louis to South Dakota takes 3h 52m

There are no direct flights from St. Louis to South Dakota. There are no popular flight routes from St. Louis to South Dakota.

Search flight deals

When did momondo last update prices for flights from Lambert-St Louis Airport to South Dakota?
Prices for flights from Lambert-St Louis Airport to South Dakota refresh daily.
How many operators does momondo search for flights from Lambert-St Louis Airport to South Dakota?
There are 3 operators available for flights from Lambert-St Louis Airport to South Dakota as of February 2026.
How old do you have to be to fly from Lambert-St Louis Airport to South Dakota?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to South Dakota.
What documentation or ID do you need to fly to South Dakota?
The travel and health documents you'll need for your trip to South Dakota 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 South Dakota. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from St. Louis to South Dakota

Compare and see reviews for airlines that fly from St. Louis to South Dakota with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $218	Free Cancellation	Rating 7.9 8,187 reviews	Search Delta flights
American Airlines	PriceFrom $228	Free Cancellation	Rating 7.2 11,275 reviews	Search American Airlines flights
United Airlines	PriceFrom $253	Free Cancellation	Rating 7.4 9,283 reviews	Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to South Dakota?

It is quick and easy to find St. Louis to South Dakota flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to South Dakota that suits you.

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

Flights from St. Louis to South Dakota with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from St. Louis to South Dakota?

momondo provides multiple filters to help you find the best flight to South Dakota from St. Louis. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

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