What is the cheapest airline that flies from South Dakota to Missouri?

Delta, Frontier, and United Airlines are the most popular carriers operating from South Dakota to Missouri

What airlines fly to Missouri?

United Airlines, Delta and American Airlines are the top three most popular airlines that fly to Missouri from South Dakota according to our data. United Airlines is the first choice among our users, with 39% of people opting to fly with this airline when traveling to Missouri. Keep in mind that there are 3 different airlines that fly to Missouri on a routine basis, so you have a few additional options to choose from.

How long is the flight from South Dakota to Missouri?

The flight from South Dakota to Missouri depends on which airports you’re departing and arriving from and whether or not you have a layover. If you fly from Sioux Falls (a popular airport in South Dakota) to St. Louis (the most popular airport in Missouri), then the flight time is 3h 37m on average. If you fly from Rapid City (another popular airport in South Dakota) to St. Louis, then the average flight time is 4h 44m.

When did momondo last update prices for flights from South Dakota to Missouri?

Prices for flights from South Dakota to Missouri are updated daily.

How many operators does momondo search for flights from South Dakota to Missouri?

The number of operators available for flights from South Dakota to Missouri is 3 as of September 2025.

How old do you have to be to fly from South Dakota to Missouri?

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 South Dakota to Missouri.

What documentation or ID do you need to fly to Missouri?

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

$126 Cheap Flights from South Dakota to Missouri in 2025/26

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 South Dakota to Missouri

Round-trip

One-way

Last minute

Cheap round-trip flights

2:54 pm - 9:06 amFSD-STL

18h 12m1 stop

7:52 pm - 6:33 pmSTL-FSD

22h 41m1 stop

$154Frontier

Find Deal

dom., oct. 5 - jue., oct. 9

2:54 pm - 9:06 amFSD-STL

18h 12m1 stop

10:39 am - 2:09 pmSTL-FSD

27h 30m2 stops

$213Frontier

Find Deal

vie., oct. 3 - dom., oct. 5

2:54 pm - 9:06 amFSD-STL

18h 12m1 stop

7:55 pm - 2:09 pmSTL-FSD

18h 14m1 stop

$223Frontier

Find Deal

vie., oct. 3 - dom., oct. 5

5:14 pm - 11:58 pmFSD-STL

6h 44m1 stop

3:23 pm - 10:22 pmSTL-FSD

6h 59m1 stop

$229United Airlines

Find Deal

sáb., oct. 18 - sáb., oct. 25

5:25 pm - 9:52 pmFSD-MCI

4h 27m1 stop

6:05 am - 10:28 amMCI-FSD

4h 23m1 stop

$229American Airlines

Find Deal

sáb., nov. 1 - mar., nov. 4

8:00 am - 12:19 pmFSD-MCI

4h 19m1 stop

4:39 pm - 10:22 pmMCI-FSD

5h 43m1 stop

$239United Airlines

Find Deal

mar., oct. 7 - sáb., oct. 11

4:00 pm - 11:04 pmRAP-MCI

6h 04m1 stop

5:40 pm - 10:14 pmMCI-RAP

5h 34m1 stop

$249Delta

Find Deal

sáb., feb. 28 - lun., mar. 2

4:00 pm - 11:10 pmRAP-STL

6h 10m1 stop

5:30 pm - 10:14 pmSTL-RAP

5h 44m1 stop

$249Delta

Find Deal

mar., mar. 3 - sáb., mar. 7

6:49 am - 2:18 pmFSD-MCI

7h 29m1 stop

3:04 pm - 9:10 pmMCI-FSD

6h 06m1 stop

$283American Airlines

Find Deal

sáb., nov. 1 - mié., nov. 5

1:59 pm - 12:46 pmFSD-STL

22h 47m2 stops

7:52 pm - 1:38 pmSTL-FSD

17h 46m1 stop

$438Multiple Airlines

Find Deal

sáb., oct. 18 - sáb., oct. 25

Delta flights from South Dakota to Missouri

Our best Delta deals on South Dakota to Missouri flight tickets

Delta

Mar 3

RAP4:00 pmRapid City

6h 10m

1 stop

STL11:10 pmLambert-St Louis

Mar 7

STL5:30 pmLambert-St Louis

5h 44m

1 stop

RAP10:14 pmRapid City

$249

Find similar

Delta

Mar 3

RAP10:40 amRapid City

12h 00m

2 stops

STL11:40 pmLambert-St Louis

Mar 7

STL5:30 pmLambert-St Louis

5h 44m

1 stop

RAP10:14 pmRapid City

$254

Find similar

Delta

Feb 28

RAP4:00 pmRapid City

6h 04m

1 stop

MCI11:04 pmKansas City

Mar 2

MCI5:40 pmKansas City

5h 34m

1 stop

RAP10:14 pmRapid City

$274

Find similar

United Airlines flights from South Dakota to Missouri

Our best United Airlines deals on South Dakota to Missouri flight tickets

United Airlines

Oct 18

FSD5:14 pmSioux Falls Joe Foss Field

6h 44m

1 stop

STL11:58 pmLambert-St Louis

Oct 25

STL3:23 pmLambert-St Louis

6h 59m

1 stop

FSD10:22 pmSioux Falls Joe Foss Field

$229

Find similar

United Airlines

Oct 7

FSD8:00 amSioux Falls Joe Foss Field

4h 19m

1 stop

MCI12:19 pmKansas City

Oct 11

MCI4:39 pmKansas City

5h 43m

1 stop

FSD10:22 pmSioux Falls Joe Foss Field

$239

Find similar

United Airlines

Oct 31

RAP6:00 pmRapid City

4h 42m

1 stop

MCI11:42 pmKansas City

Nov 2

MCI5:00 amKansas City

4h 15m

1 stop

RAP8:15 amRapid City

$294

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Sioux FallsSt. Louis

FSD - STL

FSDSTL

Sioux Falls Joe Foss Field

dom. 10/5

2:54 pm-9:06 am

1 stop18h 12m

Lambert-St Louis

jue. 10/9

7:52 pm-6:33 pm

1 stop22h 41m

$154

Sioux FallsSt. Louis

FSD - STL

FSDSTL

Sioux Falls Joe Foss Field

vie. 10/3

2:54 pm-9:06 am

1 stop18h 12m

Lambert-St Louis

dom. 10/5

10:39 am-2:09 pm

2 stops27h 30m

$213

Sioux FallsSt. Louis

FSD - STL

FSDSTL

Sioux Falls Joe Foss Field

vie. 10/3

2:54 pm-9:06 am

1 stop18h 12m

Lambert-St Louis

dom. 10/5

7:55 pm-2:09 pm

1 stop18h 14m

$223

Sioux FallsSt. Louis

FSD - STL

FSDSTL

Sioux Falls Joe Foss Field

sáb. 10/18

5:14 pm-11:58 pm

1 stop6h 44m

Lambert-St Louis

sáb. 10/25

3:23 pm-10:22 pm

1 stop6h 59m

$229

Sioux FallsKansas City

FSD - MCI

FSDMCI

Sioux Falls Joe Foss Field

sáb. 11/1

5:25 pm-9:52 pm

1 stop4h 27m

Kansas City

mar. 11/4

6:05 am-10:28 am

1 stop4h 23m

$229

Sioux FallsKansas City

FSD - MCI

FSDMCI

Sioux Falls Joe Foss Field

mar. 10/7

8:00 am-12:19 pm

1 stop4h 19m

Kansas City

sáb. 10/11

4:39 pm-10:22 pm

1 stop5h 43m

$239

Rapid CityKansas City

RAP - MCI

RAPMCI

Rapid City

sáb. 2/28

4:00 pm-11:04 pm

1 stop6h 04m

Kansas City

lun. 3/2

5:40 pm-10:14 pm

1 stop5h 34m

$249

Rapid CitySt. Louis

RAP - STL

RAPSTL

Rapid City

mar. 3/3

4:00 pm-11:10 pm

1 stop6h 10m

Lambert-St Louis

sáb. 3/7

5:30 pm-10:14 pm

1 stop5h 44m

$249

Sioux FallsKansas City

FSD - MCI

FSDMCI

Sioux Falls Joe Foss Field

sáb. 11/1

6:49 am-2:18 pm

1 stop7h 29m

Kansas City

mié. 11/5

3:04 pm-9:10 pm

1 stop6h 06m

$283

Sioux FallsSt. Louis

FSD - STL

FSDSTL

Sioux Falls Joe Foss Field

sáb. 10/18

1:59 pm-12:46 pm

2 stops22h 47m

Lambert-St Louis

sáb. 10/25

7:52 pm-1:38 pm

1 stop17h 46m

$438

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 South Dakota to Missouri

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

Other information

What is the cheapest month to fly to Missouri?

In general, April is the cheapest month to fly from South Dakota to Missouri. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $284. If you aren’t able to travel to Missouri during the month of April, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $288.

What is the cheapest day to depart on your flight to Missouri?

The cheapest day to depart from South Dakota to Missouri is on a Thursday when prices can be found for as low as $253. Flights from South Dakota to Missouri on a Monday will generally be more expensive and average around $440. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Missouri?

According to our data, the cheapest time of day to fly to Missouri is in the evening. momondo users have found flights departing from South Dakota to Missouri in the evening for as low as $228. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Missouri are more costly in the morning, with an average ticket price of $397. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

Can stopping save me money on South Dakota to Missouri flights?

You could potentially save up to 70% on your flight if you consider stops on a South Dakota to Missouri flight.

Cheap South Dakota to Missouri flight deals and tips

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

Direct flights	None

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

Search flight deals

When did momondo last update prices for flights from South Dakota to Missouri?
Prices for flights from South Dakota to Missouri are updated daily.
How many operators does momondo search for flights from South Dakota to Missouri?
The number of operators available for flights from South Dakota to Missouri is 3 as of September 2025.
How old do you have to be to fly from South Dakota to Missouri?
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 South Dakota to Missouri.
What documentation or ID do you need to fly to Missouri?
The travel and health documents you'll need for your trip to Missouri 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 Missouri. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from South Dakota to Missouri

Compare and see reviews for airlines that fly from South Dakota to Missouri with momondo

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $198	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
United Airlines	PriceFrom $212	Free Cancellation	Rating 7.4 8,922 reviews	Search United Airlines flights
Delta	PriceFrom $228	Free Cancellation	Rating 7.9 7,971 reviews	Search Delta flights

Why use momondo?

Why should I use momondo to find a flight deal from South Dakota to Missouri?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from South Dakota to Missouri. momondo saves you time and could save you money on your trip.

Can I find flights from South Dakota to Missouri with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Missouri from South Dakota with this policy.

How can momondo help me find flights from South Dakota to Missouri?

Once all potential South Dakota to Missouri flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes. momondo can track prices for South Dakota to Missouri flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.