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Cheap flights from South Dakota to St. Louis from $115

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 5/27. 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
0 bags

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Find the cheapest flights from South Dakota to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
10:56 am - 4:46 pm
FSD
-
STL
5h 50m
1 stop
Delta Logo
5:36 pm - 11:12 pm
STL
-
FSD
5h 36m
1 stop
$280Delta
Tue, Jun 9 - Tue, Jun 16
United Airlines Logo
6:51 pm - 11:57 pm
FSD
-
STL
5h 06m
1 stop
United Airlines Logo
5:33 pm - 11:31 pm
STL
-
FSD
5h 58m
1 stop
$289United Airlines
Fri, Jun 26 - Sun, Jul 5
United Airlines Logo
6:51 pm - 11:57 pm
FSD
-
STL
5h 06m
1 stop
United Airlines Logo
5:33 pm - 11:31 pm
STL
-
FSD
5h 58m
1 stop
$299United Airlines
Fri, Jun 26 - Sun, Jul 5
American Airlines Logo
7:06 am - 12:16 am
FSD
-
STL
17h 10m
1 stop
American Airlines Logo
6:42 am - 11:46 am
STL
-
FSD
5h 04m
1 stop
$313American Airlines
Wed, Jul 15 - Sat, Aug 15
American Airlines Logo
5:34 pm - 11:58 pm
FSD
-
STL
6h 24m
1 stop
American Airlines Logo
8:06 pm - 12:31 am
STL
-
FSD
4h 25m
1 stop
$315American Airlines
Sat, Jul 25 - Mon, Aug 10
American Airlines Logo
12:41 pm - 9:42 pm
RAP
-
STL
8h 01m
1 stop
American Airlines Logo
5:42 am - 9:49 am
STL
-
RAP
5h 07m
1 stop
$319American Airlines
Wed, Jun 3 - Mon, Aug 10
Multiple Airlines Logo
11:56 am - 11:57 pm
RAP
-
STL
11h 01m
1 stop
Multiple Airlines Logo
4:52 pm - 9:01 am
STL
-
RAP
41h 09m
2 stops
$321Multiple Airlines
Wed, Jun 3 - Mon, Aug 10
American Airlines Logo
5:35 pm - 11:59 pm
FSD
-
STL
6h 24m
1 stop
American Airlines Logo
5:29 am - 12:12 pm
STL
-
FSD
6h 43m
1 stop
$329American Airlines
Thu, Jun 4 - Sun, Jun 7
Delta Logo
11:13 am - 4:46 pm
RAP
-
STL
4h 33m
1 stop
Delta Logo
5:36 pm - 10:24 pm
STL
-
RAP
5h 48m
1 stop
$329Delta
Thu, May 28 - Tue, Jun 2
Multiple Airlines Logo
9:50 pm - 2:07 pm
RAP
-
STL
15h 17m
1 stop
Multiple Airlines Logo
3:34 pm - 9:00 pm
STL
-
RAP
30h 26m
2 stops
$385Multiple Airlines
Thu, Jul 23 - Wed, Jul 29

American Airlines flights from South Dakota to St. Louis

Our best American Airlines deals on South Dakota to St. Louis flight tickets
American Airlines
Jul 15
FSD7:06 amSioux Falls Joe Foss Field
17h 10m
1 stop
STL12:16 amLambert-St Louis
Aug 15
STL6:42 amLambert-St Louis
5h 04m
1 stop
FSD11:46 amSioux Falls Joe Foss Field
$313
American Airlines
Jul 25
FSD5:34 pmSioux Falls Joe Foss Field
6h 24m
1 stop
STL11:58 pmLambert-St Louis
Aug 10
STL8:06 pmLambert-St Louis
4h 25m
1 stop
FSD12:31 amSioux Falls Joe Foss Field
$315
American Airlines
Jun 3
RAP12:41 pmRapid City
8h 01m
1 stop
STL9:42 pmLambert-St Louis
Aug 10
STL5:42 amLambert-St Louis
5h 07m
1 stop
RAP9:49 amRapid City
$319

United Airlines flights from South Dakota to St. Louis

Our best United Airlines deals on South Dakota to St. Louis flight tickets
United Airlines
Jun 26
FSD6:51 pmSioux Falls Joe Foss Field
5h 06m
1 stop
STL11:57 pmLambert-St Louis
Jul 5
STL5:33 pmLambert-St Louis
5h 58m
1 stop
FSD11:31 pmSioux Falls Joe Foss Field
$289
United Airlines
Jun 26
FSD6:51 pmSioux Falls Joe Foss Field
5h 06m
1 stop
STL11:57 pmLambert-St Louis
Jul 5
STL5:33 pmLambert-St Louis
5h 58m
1 stop
FSD11:31 pmSioux Falls Joe Foss Field
$299
United Airlines
Sep 1
FSD9:35 amSioux Falls Joe Foss Field
6h 59m
1 stop
STL4:34 pmLambert-St Louis
Sep 5
STL1:36 pmLambert-St Louis
6h 31m
1 stop
FSD8:07 pmSioux Falls Joe Foss Field
$341

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 May 14, 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

Tue 6/9

10:56 am-4:46 pm

1 stop5h 50m

Lambert-St Louis

Tue 6/16

5:36 pm-11:12 pm

1 stop5h 36m

$280

Sioux FallsSt. Louis

FSD - STL

FSDSTL

Sioux Falls Joe Foss Field

Fri 6/26

6:51 pm-11:57 pm

1 stop5h 06m

Lambert-St Louis

Sun 7/5

5:33 pm-11:31 pm

1 stop5h 58m

$289

Sioux FallsSt. Louis

FSD - STL

FSDSTL

Sioux Falls Joe Foss Field

Fri 6/26

6:51 pm-11:57 pm

1 stop5h 06m

Lambert-St Louis

Sun 7/5

5:33 pm-11:31 pm

1 stop5h 58m

$299

Sioux FallsSt. Louis

FSD - STL

FSDSTL

Sioux Falls Joe Foss Field

Wed 7/15

7:06 am-12:16 am

1 stop17h 10m

Lambert-St Louis

Sat 8/15

6:42 am-11:46 am

1 stop5h 04m

$313

Sioux FallsSt. Louis

FSD - STL

FSDSTL

Sioux Falls Joe Foss Field

Sat 7/25

5:34 pm-11:58 pm

1 stop6h 24m

Lambert-St Louis

Mon 8/10

8:06 pm-12:31 am

1 stop4h 25m

$315

Rapid CitySt. Louis

RAP - STL

RAPSTL

Rapid City

Wed 6/3

12:41 pm-9:42 pm

1 stop8h 01m

Lambert-St Louis

Mon 8/10

5:42 am-9:49 am

1 stop5h 07m

$319

Rapid CitySt. Louis

RAP - STL

RAPSTL

Rapid City

Wed 6/3

11:56 am-11:57 pm

1 stop11h 01m

Lambert-St Louis

Mon 8/10

4:52 pm-9:01 am

2 stops41h 09m

$321

Sioux FallsSt. Louis

FSD - STL

FSDSTL

Sioux Falls Joe Foss Field

Thu 6/4

5:35 pm-11:59 pm

1 stop6h 24m

Lambert-St Louis

Sun 6/7

5:29 am-12:12 pm

1 stop6h 43m

$329
Quickest round-trip

Rapid CitySt. Louis

RAP - STL

RAPSTL

Rapid City

Thu 5/28

11:13 am-4:46 pm

1 stop4h 33m

Lambert-St Louis

Tue 6/2

5:36 pm-10:24 pm

1 stop5h 48m

$329

Rapid CitySt. Louis

RAP - STL

RAPSTL

Rapid City

Thu 7/23

9:50 pm-2:07 pm

1 stop15h 17m

Lambert-St Louis

Wed 7/29

3:34 pm-9:00 pm

2 stops30h 26m

$385

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, May 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 $174. The month of January is another great option to travel to St. Louis, with average flight prices from South Dakota averaging around $208.

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

You could potentially save up to 78% 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

3h 46m

Direct flights

None
The fastest flight from South Dakota to St. Louis takes 3h 46m
There are no direct flights from South Dakota to St. Louis. There are no popular flight routes from South Dakota to St. Louis.
Search flight deals

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
7.9
8,455 reviews
Search Delta flights
American AirlinesPriceFrom $243Free CancellationRating
7.1
11,667 reviews
Search American Airlines flights
United AirlinesPriceFrom $264Free CancellationRating
7.4
9,712 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
Hermann
Fairview Heights
Maryland Heights
O'Fallon
Florissant
St. Peters
Collinsville
Alton
Wentzville
Fenton
Farmington
Festus
Clayton
Eureka
Litchfield
Edwardsville
Shrewsbury
Grafton

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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