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

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

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 42% 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.

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 May 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.

$174 Cheap Flights from St. Louis to South Dakota in 2026

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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.

7:38 pm - 7:19 pm

STL

FSD

23h 41m

1 stop

8:14 pm - 6:53 pm

FSD

STL

22h 39m

1 stop

$232Frontier

Thu, Jun 11 - Wed, Jun 17

7:38 pm - 7:19 pm

STL

FSD

23h 41m

1 stop

8:14 pm - 6:53 pm

FSD

STL

22h 39m

1 stop

$242Frontier

Thu, Jun 11 - Wed, Jun 17

7:38 pm - 7:19 pm

STL

FSD

23h 41m

1 stop

8:14 pm - 6:53 pm

FSD

STL

22h 39m

1 stop

$255Frontier

Thu, Jun 25 - Wed, Jul 1

9:42 am - 4:55 pm

STL

FSD

7h 13m

1 stop

5:35 pm - 11:59 pm

FSD

STL

6h 24m

1 stop

$280American Airlines

Tue, Jun 9 - Tue, Jun 16

5:29 am - 12:12 pm

STL

FSD

6h 43m

1 stop

5:35 pm - 11:59 pm

FSD

STL

6h 24m

1 stop

$285American Airlines

Tue, Jun 9 - Tue, Jun 16

5:10 am - 10:38 am

STL

FSD

5h 28m

1 stop

6:51 pm - 11:57 pm

FSD

STL

5h 06m

1 stop

$289United Airlines

Wed, Jun 10 - Mon, Jun 15

6:00 am - 10:41 am

STL

FSD

4h 41m

1 stop

5:05 pm - 11:57 pm

FSD

STL

6h 52m

1 stop

$295United Airlines

Thu, May 28 - Tue, Jun 2

5:10 am - 9:28 am

STL

RAP

5h 18m

1 stop

1:31 pm - 10:00 pm

RAP

STL

7h 29m

1 stop

$309United Airlines

Sun, Aug 23 - Sat, Aug 29

5:29 am - 12:12 pm

STL

FSD

6h 43m

1 stop

5:35 pm - 11:59 pm

FSD

STL

6h 24m

1 stop

$315American Airlines

Wed, Jun 10 - Tue, Jun 16

5:36 pm - 10:24 pm

STL

RAP

5h 48m

1 stop

4:29 pm - 11:23 pm

RAP

STL

5h 54m

1 stop

$324Delta

Wed, Jun 3 - Tue, Jun 9

American Airlines flights from St. Louis to South Dakota

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

American Airlines

Jun 9

STL9:42 amLambert-St Louis

7h 13m

1 stop

FSD4:55 pmSioux Falls Joe Foss Field

Jun 16

FSD5:35 pmSioux Falls Joe Foss Field

6h 24m

1 stop

STL11:59 pmLambert-St Louis

$280

American Airlines

Jun 9

STL5:29 amLambert-St Louis

6h 43m

1 stop

FSD12:12 pmSioux Falls Joe Foss Field

Jun 16

FSD5:35 pmSioux Falls Joe Foss Field

6h 24m

1 stop

STL11:59 pmLambert-St Louis

$285

American Airlines

Jun 10

STL5:29 amLambert-St Louis

6h 43m

1 stop

FSD12:12 pmSioux Falls Joe Foss Field

Jun 16

FSD5:35 pmSioux Falls Joe Foss Field

6h 24m

1 stop

STL11:59 pmLambert-St Louis

$315

Delta flights from St. Louis to South Dakota

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

Delta

Jun 3

STL5:36 pmLambert-St Louis

5h 48m

1 stop

RAP10:24 pmRapid City

Jun 9

RAP4:29 pmRapid City

5h 54m

1 stop

STL11:23 pmLambert-St Louis

$324

Delta

May 22

STL5:36 pmLambert-St Louis

5h 35m

1 stop

FSD11:11 pmSioux Falls Joe Foss Field

May 25

FSD10:56 amSioux Falls Joe Foss Field

5h 50m

1 stop

STL4:46 pmLambert-St Louis

$399

Delta

May 22

STL5:36 pmLambert-St Louis

5h 35m

1 stop

FSD11:11 pmSioux Falls Joe Foss Field

May 25

FSD5:00 amSioux Falls Joe Foss Field

5h 32m

1 stop

STL10:32 amLambert-St Louis

$437

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisSioux Falls

STL - FSD

STLFSD

Lambert-St Louis

Thu 6/11

7:38 pm-7:19 pm

1 stop23h 41m

Sioux Falls Joe Foss Field

Wed 6/17

8:14 pm-6:53 pm

1 stop22h 39m

$232

St. LouisSioux Falls

STL - FSD

STLFSD

Lambert-St Louis

Thu 6/11

7:38 pm-7:19 pm

1 stop23h 41m

Sioux Falls Joe Foss Field

Wed 6/17

8:14 pm-6:53 pm

1 stop22h 39m

$242

St. LouisSioux Falls

STL - FSD

STLFSD

Lambert-St Louis

Thu 6/25

7:38 pm-7:19 pm

1 stop23h 41m

Sioux Falls Joe Foss Field

Wed 7/1

8:14 pm-6:53 pm

1 stop22h 39m

$255

St. LouisSioux Falls

STL - FSD

STLFSD

Lambert-St Louis

Tue 6/9

9:42 am-4:55 pm

1 stop7h 13m

Sioux Falls Joe Foss Field

Tue 6/16

5:35 pm-11:59 pm

1 stop6h 24m

$280

St. LouisSioux Falls

STL - FSD

STLFSD

Lambert-St Louis

Tue 6/9

5:29 am-12:12 pm

1 stop6h 43m

Sioux Falls Joe Foss Field

Tue 6/16

5:35 pm-11:59 pm

1 stop6h 24m

$285

Quickest round-trip

St. LouisSioux Falls

STL - FSD

STLFSD

Lambert-St Louis

Wed 6/10

5:10 am-10:38 am

1 stop5h 28m

Sioux Falls Joe Foss Field

Mon 6/15

6:51 pm-11:57 pm

1 stop5h 06m

$289

St. LouisSioux Falls

STL - FSD

STLFSD

Lambert-St Louis

Thu 5/28

6:00 am-10:41 am

1 stop4h 41m

Sioux Falls Joe Foss Field

Tue 6/2

5:05 pm-11:57 pm

1 stop6h 52m

$295

St. LouisRapid City

STL - RAP

STLRAP

Lambert-St Louis

Sun 8/23

5:10 am-9:28 am

1 stop5h 18m

Rapid City

Sat 8/29

1:31 pm-10:00 pm

1 stop7h 29m

$309

St. LouisSioux Falls

STL - FSD

STLFSD

Lambert-St Louis

Wed 6/10

5:29 am-12:12 pm

1 stop6h 43m

Sioux Falls Joe Foss Field

Tue 6/16

5:35 pm-11:59 pm

1 stop6h 24m

$315

St. LouisRapid City

STL - RAP

STLRAP

Lambert-St Louis

Wed 6/3

5:36 pm-10:24 pm

1 stop5h 48m

Rapid City

Tue 6/9

4:29 pm-11:23 pm

1 stop5h 54m

$324

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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 July is, on average, the cheapest month to fly to South Dakota from St. Louis, with most prices found around $174. If you aren’t able to travel to South Dakota during the month of July, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $195.

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	4h 26m
Direct flights	None

The fastest flight from St. Louis to South Dakota takes 4h 26m

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

Frequently asked questions about flying from 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 May 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 $216	Free Cancellation	Rating 7.9 8,455 reviews	Search Delta flights
United Airlines	PriceFrom $242	Free Cancellation	Rating 7.4 9,726 reviews	Search United Airlines flights
American Airlines	PriceFrom $248	Free Cancellation	Rating 7.1 11,662 reviews	Search American 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.