Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from South Dakota to St. Louis from $264

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 9/8. 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.
American Airlines Logo
5:55 pm - 11:43 pmFSD  Sioux Falls Joe Foss Field-STL Lambert-St Louis
5h 48m1 stop Dallas/Fort Worth
American Airlines Logo
7:00 am - 12:16 pmSTL  Lambert-St Louis-FSD Sioux Falls Joe Foss Field
5h 16m1 stop Dallas/Fort Worth
$290American Airlines
Thu, Sep 10 - Wed, Sep 16
American Airlines Logo
12:56 pm - 7:07 pmFSD  Sioux Falls Joe Foss Field-STL Lambert-St Louis
6h 11m1 stop Dallas/Fort Worth
American Airlines Logo
5:18 pm - 12:29 amSTL  Lambert-St Louis-FSD Sioux Falls Joe Foss Field
7h 11m1 stop Chicago O'Hare Intl
$290American Airlines
Sat, Sep 19 - Mon, Sep 21
United Airlines Logo
6:00 am - 12:40 pmFSD  Sioux Falls Joe Foss Field-STL Lambert-St Louis
6h 40m1 stop Denver Intl
United Airlines Logo
5:30 pm - 11:12 pmSTL  Lambert-St Louis-FSD Sioux Falls Joe Foss Field
5h 42m1 stop Chicago O'Hare Intl
$290United Airlines
Sun, Sep 6 - Sun, Sep 13
American Airlines Logo
6:00 am - 2:04 pmFSD  Sioux Falls Joe Foss Field-STL Lambert-St Louis
8h 04m1 stop Dallas/Fort Worth
American Airlines Logo
7:26 am - 2:52 pmSTL  Lambert-St Louis-FSD Sioux Falls Joe Foss Field
7h 26m1 stop Chicago O'Hare Intl
$290American Airlines
Wed, Dec 2 - Sun, Dec 6
United Airlines Logo
7:50 am - 12:13 pmFSD  Sioux Falls Joe Foss Field-STL Lambert-St Louis
4h 23m1 stop Chicago O'Hare Intl
United Airlines Logo
5:10 am - 10:50 amSTL  Lambert-St Louis-FSD Sioux Falls Joe Foss Field
5h 40m1 stop Denver Intl
$299United Airlines
Thu, Oct 1 - Sun, Oct 4
Multiple Airlines Logo
8:39 pm - 1:21 pmFSD  Sioux Falls Joe Foss Field-STL Lambert-St Louis
16h 42m2 stops Nashville Intl Jonesboro
Multiple Airlines Logo
8:10 pm - 7:53 pmSTL  Lambert-St Louis-FSD Sioux Falls Joe Foss Field
23h 43m1 stop Denver Intl
$311Multiple Airlines
Mon, Nov 2 - Thu, Nov 5
Multiple Airlines Logo
1:41 pm - 10:39 pmFSD  Sioux Falls Joe Foss Field-STL Lambert-St Louis
8h 58m1 stop Las Vegas Harry Reid Intl
Multiple Airlines Logo
8:10 pm - 7:53 pmSTL  Lambert-St Louis-FSD Sioux Falls Joe Foss Field
23h 43m1 stop Denver Intl
$320Multiple Airlines
Mon, Nov 2 - Thu, Nov 5
United Airlines Logo
7:50 am - 12:13 pmFSD  Sioux Falls Joe Foss Field-STL Lambert-St Louis
4h 23m1 stop Chicago O'Hare Intl
United Airlines Logo
5:36 pm - 11:11 pmSTL  Lambert-St Louis-FSD Sioux Falls Joe Foss Field
5h 35m1 stop Chicago O'Hare Intl
$322United Airlines
Thu, Oct 15 - Sun, Oct 18
Delta Logo
5:15 am - 11:50 amFSD  Sioux Falls Joe Foss Field-STL Lambert-St Louis
6h 35m1 stop Minneapolis St Paul
Delta Logo
6:30 am - 10:05 amSTL  Lambert-St Louis-FSD Sioux Falls Joe Foss Field
3h 35m1 stop Minneapolis St Paul
$375Delta
Fri, Dec 25 - Sun, Dec 27
Delta Logo
1:26 pm - 4:44 pmFSD  Sioux Falls Joe Foss Field-STL Lambert-St Louis
3h 18m1 stop Minneapolis St Paul
Delta Logo
6:20 am - 12:38 pmSTL  Lambert-St Louis-FSD Sioux Falls Joe Foss Field
6h 18m1 stop Minneapolis St Paul
$597Delta
Mon, Aug 31 - Thu, Sep 3

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

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

Trusted and free

Trusted and free

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

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

American Airlines flights from South Dakota to St. Louis

Our best American Airlines deals on South Dakota to St. Louis flight tickets
American Airlines
Sep 19
FSD6:00 amSioux Falls Joe Foss Field
6h 15m
1 stop
STL12:15 pmLambert-St Louis
Sep 21
STL5:18 pmLambert-St Louis
7h 11m
1 stop
FSD12:29 amSioux Falls Joe Foss Field
$290
American Airlines
Sep 19
FSD12:56 pmSioux Falls Joe Foss Field
11h 31m
2 stops
STL12:27 amLambert-St Louis
Sep 21
STL5:18 pmLambert-St Louis
7h 11m
1 stop
FSD12:29 amSioux Falls Joe Foss Field
$295
American Airlines
Sep 7
FSD5:23 pmSioux Falls Joe Foss Field
6h 51m
1 stop
STL12:14 amLambert-St Louis
Sep 14
STL5:18 pmLambert-St Louis
7h 11m
1 stop
FSD12:29 amSioux Falls Joe Foss Field
$299

United Airlines flights from South Dakota to St. Louis

Our best United Airlines deals on South Dakota to St. Louis flight tickets
United Airlines
Oct 15
FSD7:50 amSioux Falls Joe Foss Field
4h 23m
1 stop
STL12:13 pmLambert-St Louis
Oct 18
STL5:36 pmLambert-St Louis
5h 35m
1 stop
FSD11:11 pmSioux Falls Joe Foss Field
$322
United Airlines
Aug 28
FSD6:50 pmSioux Falls Joe Foss Field
4h 50m
1 stop
STL11:40 pmLambert-St Louis
Sep 1
STL5:30 pmLambert-St Louis
5h 52m
1 stop
FSD11:22 pmSioux Falls Joe Foss Field
$329
United Airlines
Aug 28
RAP10:26 amRapid City
5h 08m
1 stop
STL4:34 pmLambert-St Louis
Aug 31
STL4:40 pmLambert-St Louis
4h 57m
1 stop
RAP8:37 pmRapid City
$334

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 August 15, 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 Sioux Falls Joe Foss Field - STL Lambert-St Louis

FSDSTL

Sioux Falls Joe Foss Field

Thu 9/10

5:55 pm-11:43 pm

1 stop5h 48m

Lambert-St Louis

Wed 9/16

7:00 am-12:16 pm

1 stop5h 16m

$290

Sioux FallsSt. Louis

FSD Sioux Falls Joe Foss Field - STL Lambert-St Louis

FSDSTL

Sioux Falls Joe Foss Field

Sat 9/19

12:56 pm-7:07 pm

1 stop6h 11m

Lambert-St Louis

Mon 9/21

5:18 pm-12:29 am

1 stop7h 11m

$290

Sioux FallsSt. Louis

FSD Sioux Falls Joe Foss Field - STL Lambert-St Louis

FSDSTL

Sioux Falls Joe Foss Field

Sun 9/6

6:00 am-12:40 pm

1 stop6h 40m

Lambert-St Louis

Sun 9/13

5:30 pm-11:12 pm

1 stop5h 42m

$290

Sioux FallsSt. Louis

FSD Sioux Falls Joe Foss Field - STL Lambert-St Louis

FSDSTL

Sioux Falls Joe Foss Field

Wed 12/2

6:00 am-2:04 pm

1 stop8h 04m

Lambert-St Louis

Sun 12/6

7:26 am-2:52 pm

1 stop7h 26m

$290

Sioux FallsSt. Louis

FSD Sioux Falls Joe Foss Field - STL Lambert-St Louis

FSDSTL

Sioux Falls Joe Foss Field

Thu 10/1

7:50 am-12:13 pm

1 stop4h 23m

Lambert-St Louis

Sun 10/4

5:10 am-10:50 am

1 stop5h 40m

$299

Sioux FallsSt. Louis

FSD Sioux Falls Joe Foss Field - STL Lambert-St Louis

FSDSTL

Sioux Falls Joe Foss Field

Mon 11/2

8:39 pm-1:21 pm

2 stops16h 42m

Lambert-St Louis

Thu 11/5

8:10 pm-7:53 pm

1 stop23h 43m

$311

Sioux FallsSt. Louis

FSD Sioux Falls Joe Foss Field - STL Lambert-St Louis

FSDSTL

Sioux Falls Joe Foss Field

Mon 11/2

1:41 pm-10:39 pm

1 stop8h 58m

Lambert-St Louis

Thu 11/5

8:10 pm-7:53 pm

1 stop23h 43m

$320

Sioux FallsSt. Louis

FSD Sioux Falls Joe Foss Field - STL Lambert-St Louis

FSDSTL

Sioux Falls Joe Foss Field

Thu 10/15

7:50 am-12:13 pm

1 stop4h 23m

Lambert-St Louis

Sun 10/18

5:36 pm-11:11 pm

1 stop5h 35m

$322

Sioux FallsSt. Louis

FSD Sioux Falls Joe Foss Field - STL Lambert-St Louis

FSDSTL

Sioux Falls Joe Foss Field

Fri 12/25

5:15 am-11:50 am

1 stop6h 35m

Lambert-St Louis

Sun 12/27

6:30 am-10:05 am

1 stop3h 35m

$375
Quickest round-trip

Sioux FallsSt. Louis

FSD Sioux Falls Joe Foss Field - STL Lambert-St Louis

FSDSTL

Sioux Falls Joe Foss Field

Mon 8/31

1:26 pm-4:44 pm

1 stop3h 18m

Lambert-St Louis

Thu 9/3

6:20 am-12:38 pm

1 stop6h 18m

$597

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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, December 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 $303. The month of January is another great option to travel to St. Louis, with average flight prices from South Dakota averaging around $359.

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

4h 16m

Direct flights

None
The fastest flight from South Dakota to St. Louis takes 4h 16m
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
7.8
8,508 reviews
Search Delta flights
American AirlinesPriceFrom $243Free CancellationRating
7.1
11,941 reviews
Search American Airlines flights
United AirlinesPriceFrom $264Free CancellationRating
7.4
10,111 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
St. Peters
Maryland Heights
Collinsville
Florissant
Alton
O'Fallon
Farmington
Clayton
Fenton
Festus
Wentzville
Eureka
Edwardsville
Litchfield
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

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Mon 9/14
Mon 9/21
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States