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Cheap flights from South Dakota to St. Louis from $234

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from South Dakota to St. Louis departing on 7/24. 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 South Dakota to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
8:08 pm - 7:23 pm
FSD
-
STL
23h 15m
1 stop
Frontier Logo
8:08 pm - 7:23 pm
STL
-
FSD
23h 15m
1 stop
$242Frontier
Wed, Jul 15 - Sun, Jul 19
United Airlines Logo
6:51 pm - 11:57 pm
FSD
-
STL
5h 06m
1 stop
United Airlines Logo
5:10 am - 10:23 am
STL
-
FSD
5h 13m
1 stop
$271United Airlines
Wed, Jul 29 - Wed, Aug 5
American Airlines Logo
6:06 pm - 11:42 pm
FSD
-
STL
5h 36m
1 stop
American Airlines Logo
5:42 am - 12:17 pm
STL
-
FSD
6h 35m
1 stop
$280American Airlines
Tue, Aug 18 - Sun, Aug 23
American Airlines Logo
5:55 pm - 11:43 pm
FSD
-
STL
5h 48m
1 stop
American Airlines Logo
11:01 am - 8:45 pm
STL
-
FSD
9h 44m
2 stops
$285American Airlines
Thu, Oct 1 - Sat, Oct 3
American Airlines Logo
5:23 pm - 12:14 am
FSD
-
STL
6h 51m
1 stop
American Airlines Logo
5:42 am - 12:17 pm
STL
-
FSD
6h 35m
1 stop
$289American Airlines
Thu, Aug 13 - Mon, Aug 17
American Airlines Logo
12:57 pm - 12:14 am
FSD
-
STL
11h 17m
2 stops
American Airlines Logo
5:42 am - 12:17 pm
STL
-
FSD
6h 35m
1 stop
$294American Airlines
Fri, Aug 28 - Mon, Aug 31
United Airlines Logo
6:51 pm - 11:57 pm
FSD
-
STL
5h 06m
1 stop
United Airlines Logo
5:59 pm - 11:31 pm
STL
-
FSD
5h 32m
1 stop
$304United Airlines
Fri, Jul 17 - Sat, Jul 25
American Airlines Logo
4:56 pm - 11:43 pm
RAP
-
STL
5h 47m
1 stop
American Airlines Logo
7:27 am - 11:15 am
STL
-
RAP
4h 48m
1 stop
$309American Airlines
Thu, Sep 24 - Sun, Sep 27
United Airlines Logo
11:22 am - 4:34 pm
RAP
-
STL
4h 12m
1 stop
United Airlines Logo
10:53 am - 5:58 pm
STL
-
RAP
8h 05m
2 stops
$314United Airlines
Fri, Aug 21 - Tue, Sep 1
Delta Logo
5:00 am - 10:28 am
FSD
-
STL
5h 28m
1 stop
Delta Logo
6:21 am - 12:49 pm
STL
-
FSD
6h 28m
1 stop
$359Delta
Fri, Jul 10 - Sun, Jul 12

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Delta flights from South Dakota to St. Louis

Our best Delta deals on South Dakota to St. Louis flight tickets
Delta
Jul 14
FSD5:00 amSioux Falls Joe Foss Field
3h 46m
1 stop
STL8:46 amLambert-St Louis
Jul 21
STL5:36 pmLambert-St Louis
5h 30m
1 stop
FSD11:06 pmSioux Falls Joe Foss Field
$304
Delta
Jul 10
FSD5:00 amSioux Falls Joe Foss Field
5h 28m
1 stop
STL10:28 amLambert-St Louis
Jul 12
STL6:21 amLambert-St Louis
6h 28m
1 stop
FSD12:49 pmSioux Falls Joe Foss Field
$359
Delta
Jul 29
FSD1:30 pmSioux Falls Joe Foss Field
10h 23m
2 stops
STL11:53 pmLambert-St Louis
Aug 5
STL5:34 pmLambert-St Louis
5h 17m
1 stop
FSD10:51 pmSioux Falls Joe Foss Field
$430

American Airlines flights from South Dakota to St. Louis

Our best American Airlines deals on South Dakota to St. Louis flight tickets
American Airlines
Aug 18
FSD6:06 pmSioux Falls Joe Foss Field
5h 36m
1 stop
STL11:42 pmLambert-St Louis
Aug 23
STL5:42 amLambert-St Louis
6h 35m
1 stop
FSD12:17 pmSioux Falls Joe Foss Field
$280
American Airlines
Aug 13
FSD5:23 pmSioux Falls Joe Foss Field
6h 51m
1 stop
STL12:14 amLambert-St Louis
Aug 17
STL5:42 amLambert-St Louis
6h 35m
1 stop
FSD12:17 pmSioux Falls Joe Foss Field
$289
American Airlines
Aug 28
FSD12:57 pmSioux Falls Joe Foss Field
11h 17m
2 stops
STL12:14 amLambert-St Louis
Aug 31
STL5:42 amLambert-St Louis
6h 35m
1 stop
FSD12:17 pmSioux Falls Joe Foss Field
$294

momondo Fare Finder

 
Customize your flight search to find flights from South Dakota to St. Louis 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 1, 2026.
Use the filters below to find and compare flights from South Dakota to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Sioux FallsSt. Louis

FSD - STL

FSDSTL

Sioux Falls Joe Foss Field

Wed 7/15

8:08 pm-7:23 pm

1 stop23h 15m

Lambert-St Louis

Sun 7/19

8:08 pm-7:23 pm

1 stop23h 15m

$242
Quickest round-trip

Sioux FallsSt. Louis

FSD - STL

FSDSTL

Sioux Falls Joe Foss Field

Wed 7/29

6:51 pm-11:57 pm

1 stop5h 06m

Lambert-St Louis

Wed 8/5

5:10 am-10:23 am

1 stop5h 13m

$271

Sioux FallsSt. Louis

FSD - STL

FSDSTL

Sioux Falls Joe Foss Field

Tue 8/18

6:06 pm-11:42 pm

1 stop5h 36m

Lambert-St Louis

Sun 8/23

5:42 am-12:17 pm

1 stop6h 35m

$280

Sioux FallsSt. Louis

FSD - STL

FSDSTL

Sioux Falls Joe Foss Field

Thu 10/1

5:55 pm-11:43 pm

1 stop5h 48m

Lambert-St Louis

Sat 10/3

11:01 am-8:45 pm

2 stops9h 44m

$285

Sioux FallsSt. Louis

FSD - STL

FSDSTL

Sioux Falls Joe Foss Field

Thu 8/13

5:23 pm-12:14 am

1 stop6h 51m

Lambert-St Louis

Mon 8/17

5:42 am-12:17 pm

1 stop6h 35m

$289

Sioux FallsSt. Louis

FSD - STL

FSDSTL

Sioux Falls Joe Foss Field

Fri 8/28

12:57 pm-12:14 am

2 stops11h 17m

Lambert-St Louis

Mon 8/31

5:42 am-12:17 pm

1 stop6h 35m

$294

Sioux FallsSt. Louis

FSD - STL

FSDSTL

Sioux Falls Joe Foss Field

Fri 7/17

6:51 pm-11:57 pm

1 stop5h 06m

Lambert-St Louis

Sat 7/25

5:59 pm-11:31 pm

1 stop5h 32m

$304

Rapid CitySt. Louis

RAP - STL

RAPSTL

Rapid City

Thu 9/24

4:56 pm-11:43 pm

1 stop5h 47m

Lambert-St Louis

Sun 9/27

7:27 am-11:15 am

1 stop4h 48m

$309

Rapid CitySt. Louis

RAP - STL

RAPSTL

Rapid City

Fri 8/21

11:22 am-4:34 pm

1 stop4h 12m

Lambert-St Louis

Tue 9/1

10:53 am-5:58 pm

2 stops8h 05m

$314

Sioux FallsSt. Louis

FSD - STL

FSDSTL

Sioux Falls Joe Foss Field

Fri 7/10

5:00 am-10:28 am

1 stop5h 28m

Lambert-St Louis

Sun 7/12

6:21 am-12:49 pm

1 stop6h 28m

$359

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to St. Louis from

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

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 St. Louis?

In general, January is the cheapest month to fly from South Dakota to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $208. The month of August is another great option to travel to St. Louis, with average flight prices from South Dakota averaging around $228.

Can stopping save me money on South Dakota to St. Louis flights?

You could potentially save up to 86% on your flight if you consider stops on a South Dakota to St. Louis flight.

Cheap South Dakota to St. Louis flight deals and tips

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

Fastest flight time

4h 23m

Direct flights

None
The fastest flight from South Dakota to St. Louis takes 4h 23m
There are no direct flights from South Dakota to St. Louis. There are no popular flight routes from South Dakota to St. Louis.
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Frequently asked questions about flying from South Dakota to St. Louis

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

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

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

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

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The travel and health documents you'll need for your trip to Lambert-St Louis 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 Lambert-St Louis Airport. 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 St. Louis

Compare and see reviews for airlines that fly from South Dakota to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $208Free CancellationRating
7.8
8,451 reviews
Search Delta flights
American AirlinesPriceFrom $243Free CancellationRating
7.1
11,762 reviews
Search American Airlines flights
United AirlinesPriceFrom $264Free CancellationRating
7.4
9,901 reviews
Search United Airlines flights

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Chesterfield
Fairview Heights
Hermann
Maryland Heights
Florissant
O'Fallon
St. Peters
Collinsville
Alton
Fenton
Farmington
Wentzville
Clayton
Festus
Eureka
Litchfield
Edwardsville
Grafton
Shrewsbury

Why use momondo?

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

Finding the right flight to St. Louis from South Dakota 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 St. Louis quick and easy, saving you time and money.

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

momondo does allow users to show only those flights to St. Louis from South Dakota which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search for South Dakota to St. Louis flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Price alerts on flights to St. Louis from South Dakota are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your St. Louis trip

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