Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from St. Louis to Sioux Falls from $222

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Sioux Falls departing on 7/20. 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 St. Louis to Sioux Falls

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
7:56 pm - 12:18 am
STL
-
FSD
4h 22m
1 stop
American Airlines Logo
5:34 pm - 11:58 pm
FSD
-
STL
6h 24m
1 stop
$271American Airlines
Wed, Jul 15 - Wed, Jul 22
American Airlines Logo
6:00 am - 11:36 am
STL
-
FSD
5h 36m
1 stop
American Airlines Logo
12:57 pm - 11:58 pm
FSD
-
STL
11h 01m
2 stops
$276American Airlines
Wed, Aug 19 - Sat, Aug 22
United Airlines Logo
5:59 pm - 11:31 pm
STL
-
FSD
5h 32m
1 stop
United Airlines Logo
6:28 pm - 11:29 pm
FSD
-
STL
5h 01m
1 stop
$289United Airlines
Fri, Jul 17 - Mon, Jul 20
Delta Logo
5:34 pm - 10:51 pm
STL
-
FSD
5h 17m
1 stop
Delta Logo
5:00 am - 8:37 am
FSD
-
STL
3h 37m
1 stop
$311Delta
Fri, Aug 28 - Sun, Aug 30
American Airlines Logo
6:55 am - 4:54 pm
STL
-
FSD
9h 59m
2 stops
American Airlines Logo
5:34 pm - 11:58 pm
FSD
-
STL
6h 24m
1 stop
$321American Airlines
Wed, Jul 15 - Wed, Jul 22
United Airlines Logo
7:01 pm - 11:11 pm
STL
-
FSD
4h 10m
1 stop
United Airlines Logo
7:40 am - 12:20 pm
FSD
-
STL
4h 40m
1 stop
$341United Airlines
Sat, Oct 24 - Wed, Oct 28
Delta Logo
5:36 pm - 11:06 pm
STL
-
FSD
5h 30m
1 stop
Delta Logo
5:00 am - 8:46 am
FSD
-
STL
3h 46m
1 stop
$355Delta
Tue, Jul 14 - Sun, Jul 19
United Airlines Logo
7:05 pm - 11:31 pm
STL
-
FSD
4h 26m
1 stop
United Airlines Logo
7:35 am - 2:23 pm
FSD
-
STL
6h 48m
1 stop
$385United Airlines
Wed, Jul 22 - Sun, Jul 26
United Airlines Logo
5:10 am - 10:23 am
STL
-
FSD
5h 13m
1 stop
United Airlines Logo
6:28 pm - 11:29 pm
FSD
-
STL
5h 01m
1 stop
$389United Airlines
Mon, Jun 29 - Fri, Jul 3
Frontier Logo
8:08 pm - 7:23 pm
STL
-
FSD
23h 15m
1 stop
Frontier Logo
8:08 pm - 7:23 pm
FSD
-
STL
23h 15m
1 stop
$393Frontier
Thu, Jul 16 - Mon, Jul 20

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 St. Louis to Sioux Falls

Our best American Airlines deals on St. Louis to Sioux Falls flight tickets
American Airlines
Jul 15
STL7:56 pmLambert-St Louis
4h 22m
1 stop
FSD12:18 amSioux Falls Joe Foss Field
Jul 22
FSD5:34 pmSioux Falls Joe Foss Field
6h 24m
1 stop
STL11:58 pmLambert-St Louis
$271
American Airlines
Aug 19
STL6:00 amLambert-St Louis
5h 36m
1 stop
FSD11:36 amSioux Falls Joe Foss Field
Aug 22
FSD12:57 pmSioux Falls Joe Foss Field
11h 01m
2 stops
STL11:58 pmLambert-St Louis
$276
American Airlines
Jul 15
STL6:55 amLambert-St Louis
9h 59m
2 stops
FSD4:54 pmSioux Falls Joe Foss Field
Jul 22
FSD5:34 pmSioux Falls Joe Foss Field
6h 24m
1 stop
STL11:58 pmLambert-St Louis
$321

United Airlines flights from St. Louis to Sioux Falls

Our best United Airlines deals on St. Louis to Sioux Falls flight tickets
United Airlines
Jul 17
STL5:59 pmLambert-St Louis
5h 32m
1 stop
FSD11:31 pmSioux Falls Joe Foss Field
Jul 20
FSD6:28 pmSioux Falls Joe Foss Field
5h 01m
1 stop
STL11:29 pmLambert-St Louis
$289
United Airlines
Oct 24
STL7:01 pmLambert-St Louis
4h 10m
1 stop
FSD11:11 pmSioux Falls Joe Foss Field
Oct 28
FSD7:40 amSioux Falls Joe Foss Field
4h 40m
1 stop
STL12:20 pmLambert-St Louis
$341
United Airlines
Jul 22
STL7:05 pmLambert-St Louis
4h 26m
1 stop
FSD11:31 pmSioux Falls Joe Foss Field
Jul 26
FSD7:35 amSioux Falls Joe Foss Field
6h 48m
1 stop
STL2:23 pmLambert-St Louis
$385

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to Sioux Falls 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 June 15, 2026.
Use the filters below to find and compare flights from St. Louis to Sioux Falls that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisSioux Falls

STL - FSD

STLFSD

Lambert-St Louis

Wed 7/15

7:56 pm-12:18 am

1 stop4h 22m

Sioux Falls Joe Foss Field

Wed 7/22

5:34 pm-11:58 pm

1 stop6h 24m

$271

St. LouisSioux Falls

STL - FSD

STLFSD

Lambert-St Louis

Wed 8/19

6:00 am-11:36 am

1 stop5h 36m

Sioux Falls Joe Foss Field

Sat 8/22

12:57 pm-11:58 pm

2 stops11h 01m

$276

St. LouisSioux Falls

STL - FSD

STLFSD

Lambert-St Louis

Fri 7/17

5:59 pm-11:31 pm

1 stop5h 32m

Sioux Falls Joe Foss Field

Mon 7/20

6:28 pm-11:29 pm

1 stop5h 01m

$289

St. LouisSioux Falls

STL - FSD

STLFSD

Lambert-St Louis

Fri 8/28

5:34 pm-10:51 pm

1 stop5h 17m

Sioux Falls Joe Foss Field

Sun 8/30

5:00 am-8:37 am

1 stop3h 37m

$311

St. LouisSioux Falls

STL - FSD

STLFSD

Lambert-St Louis

Wed 7/15

6:55 am-4:54 pm

2 stops9h 59m

Sioux Falls Joe Foss Field

Wed 7/22

5:34 pm-11:58 pm

1 stop6h 24m

$321
Quickest round-trip

St. LouisSioux Falls

STL - FSD

STLFSD

Lambert-St Louis

Sat 10/24

7:01 pm-11:11 pm

1 stop4h 10m

Sioux Falls Joe Foss Field

Wed 10/28

7:40 am-12:20 pm

1 stop4h 40m

$341

St. LouisSioux Falls

STL - FSD

STLFSD

Lambert-St Louis

Tue 7/14

5:36 pm-11:06 pm

1 stop5h 30m

Sioux Falls Joe Foss Field

Sun 7/19

5:00 am-8:46 am

1 stop3h 46m

$355

St. LouisSioux Falls

STL - FSD

STLFSD

Lambert-St Louis

Wed 7/22

7:05 pm-11:31 pm

1 stop4h 26m

Sioux Falls Joe Foss Field

Sun 7/26

7:35 am-2:23 pm

1 stop6h 48m

$385

St. LouisSioux Falls

STL - FSD

STLFSD

Lambert-St Louis

Mon 6/29

5:10 am-10:23 am

1 stop5h 13m

Sioux Falls Joe Foss Field

Fri 7/3

6:28 pm-11:29 pm

1 stop5h 01m

$389

St. LouisSioux Falls

STL - FSD

STLFSD

Lambert-St Louis

Thu 7/16

8:08 pm-7:23 pm

1 stop23h 15m

Sioux Falls Joe Foss Field

Mon 7/20

8:08 pm-7:23 pm

1 stop23h 15m

$393

Flights are sorted by cheapest round-trip flights first.

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

See travel insights to Sioux Falls from

How to get the cheapest flight ticket from St. Louis to Sioux Falls

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 typical price of a round-trip flight between St. Louis and Sioux Falls?

What is the cheapest month to fly to Sioux Falls?

The cheapest month to fly to Sioux Falls from St. Louis is in September. Flight prices, which tend to average around $297, are often lower during this time because this is during the off-season. If you’re not able to fly to Sioux Falls in September, then August is your next best option. Flight prices from St. Louis to Sioux Falls during August average around $330.

When to book flights from St. Louis to Sioux Falls

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to Sioux Falls according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap St. Louis to Sioux Falls (STL to FSD) flight deals and tips

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

Fastest flight time

4h 10m

Direct flights

None
The fastest flight from St. Louis to Sioux Falls takes 4h 10m
There are no direct flights from St. Louis to Sioux Falls. There are no popular flight routes from St. Louis to Sioux Falls.
Search flight deals

Frequently asked questions about flying from St. Louis to Sioux Falls

  • How far is Lambert-St Louis to Sioux Falls Joe Foss Field by plane?

    A flight from Lambert-St Louis to Sioux Falls Joe Foss Field will travel around 480.2 mi. By plane, this route typically takes 4h 10m.

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Sioux Falls Joe Foss Field Airport?

    Prices for flights from Lambert-St Louis Airport to Sioux Falls Joe Foss Field Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Sioux Falls Joe Foss Field Airport?

  • How old do you have to be to fly from Lambert-St Louis Airport to Sioux Falls Joe Foss Field 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 Lambert-St Louis Airport to Sioux Falls Joe Foss Field Airport.

  • What documentation or ID do you need to fly to Sioux Falls Joe Foss Field Airport?

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

  • What is the most popular airline from St. Louis to Sioux Falls?

Best airlines flying from St. Louis to Sioux Falls

Compare and see reviews for airlines that fly from St. Louis to Sioux Falls with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $216Free CancellationRating
7.9
8,396 reviews
Search Delta flights
American AirlinesPriceFrom $263Free CancellationRating
7.1
11,660 reviews
Search American Airlines flights
United AirlinesPriceFrom $298Free CancellationRating
7.4
9,830 reviews
Search United Airlines flights

Traveling to a place near Sioux Falls?

Book flights to Sioux Falls if you plan to visit one of these locations
Yankton
Marshall
Worthington

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Sioux Falls?

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

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

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

How can momondo help me find flights from St. Louis to Sioux Falls?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from St. Louis to Sioux Falls.

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

Of course. momondo tracks the price of St. Louis to Sioux Falls flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Sioux Falls 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
Wed 7/15
Wed 7/22
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States