St. Louis

$157+ Cheap flights from South Dakota to St. Louis (STL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/12. Fares are subject to change and may not be available on all flights or dates of travel.
FSD — STL
Jan 3 — Jan 101
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Cheap flight deals from South Dakota to St. Louis

Cheapest flights from South Dakota to St. Louis
Explore the most affordable flight options available from South Dakota to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 4, 2025.

This Mytrip deal was found by Cheapflights users on 12/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/112:26 pmFSD - STL
1 stop19h 48mFrontier
Sat 12/137:43 pmSTL - FSD
1 stop17h 48mFrontier
Deal found 12/4$213
This United Airlines deal was found by Cheapflights users on 12/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/126:00 amFSD - STL
1 stop6h 39mUnited Airlines
Tue 12/161:35 pmSTL - FSD
1 stop6h 46mUnited Airlines
Deal found 12/2$275
This United Airlines deal was found by Cheapflights users on 12/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/128:00 amFSD - STL
1 stop4h 15mUnited Airlines
Sun 12/145:27 pmSTL - FSD
1 stop4h 24mUnited Airlines
Deal found 12/4$299
This Delta deal was found by Cheapflights users on 12/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/101:30 pmFSD - STL
1 stop3h 19mDelta
Sun 12/146:00 amSTL - FSD
1 stop4h 20mDelta
Deal found 12/4$309
This United Airlines deal was found by Cheapflights users on 12/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/46:08 pmFSD - STL
1 stop4h 37mUnited Airlines
Sun 12/73:13 pmSTL - FSD
1 stop6h 38mUnited Airlines
Deal found 12/2$319
This United Airlines deal was found by Cheapflights users on 12/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/172:55 pmRAP - STL
1 stop5h 02mUnited Airlines
Thu 12/259:00 amSTL - RAP
1 stop7h 00mUnited Airlines
Deal found 12/1$360
This United Airlines deal was found by Cheapflights users on 12/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/108:00 amFSD - STL
2 stops12h 57mUnited Airlines
Sun 12/145:27 pmSTL - FSD
1 stop4h 24mUnited Airlines
Deal found 12/4$374
This United Airlines deal was found by Cheapflights users on 12/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/172:55 pmRAP - STL
1 stop5h 02mUnited Airlines
Wed 12/312:45 pmSTL - RAP
1 stop7h 04mUnited Airlines
Deal found 12/2$395
This Kiwi.com deal was found by Cheapflights users on 12/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/115:55 pmFSD - STL
1 stop15h 04mMultiple Airlines
Sat 12/137:43 pmSTL - FSD
2 stops37h 39mMultiple Airlines
Deal found 12/4$398
This Kiwi.com deal was found by Cheapflights users on 12/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1211:55 amFSD - STL
1 stop9h 53mMultiple Airlines
Sun 12/1410:44 pmSTL - FSD
2 stops21h 02mMultiple Airlines
Deal found 12/4$404
This United Airlines deal was found by Cheapflights users on 12/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/57:00 amRAP - STL
1 stop4h 39mUnited Airlines
Sun 12/73:13 pmSTL - RAP
2 stops8h 02mUnited Airlines
Deal found 12/3$515
This American Airlines deal was found by Cheapflights users on 12/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/611:37 amFSD - STL
1 stop4h 42mAmerican Airlines
Mon 12/85:15 amSTL - FSD
1 stop4h 56mAmerican Airlines
Deal found 12/2$517

Find flight deals from South Dakota to St. Louis

Keep the following information in mind while searching for South Dakota to St. Louis flight deals. Data was last updated December 4, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$249
(Delta)

One-way from

$157
(Kiwi.com)

Popular in

July

Cheapest in

January

Average price

$302
Provider with most accurate pricing for Sioux Falls Joe Foss Field-Lambert-St Louis flight deals.
Provider most trusted by Cheapflights users for Sioux Falls Joe Foss Field-Lambert-St Louis flights.
From South Dakota to Lambert-St Louis
One-way flight from South Dakota to Lambert-St Louis
Highest demand for flights based on searches. 6% potential increase in price ($22 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).
Average for round-trip flights in December 2025

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated December 4, 2025.
Use the filters below to find and compare flights from South Dakota to St. Louis that are best for you.

Fly from

South Dakota

Fly to

St. Louis

Route

Depart

Return

Price

Rapid CitySt. Louis

RAP - STL

RAPSTL

Rapid City

Sat 1/10

4:10 pm-11:25 pm

1 stop6h 15m

Lambert-St Louis

Tue 1/13

6:10 am-10:13 am

1 stop5h 03m

$249

Rapid CitySt. Louis

RAP - STL

RAPSTL

Rapid City

Fri 1/9

4:10 pm-11:25 pm

1 stop6h 15m

Lambert-St Louis

Sun 1/11

6:10 am-10:13 am

1 stop5h 03m

$249

Sioux FallsSt. Louis

FSD - STL

FSDSTL

Sioux Falls Joe Foss Field

Wed 1/21

9:00 am-4:55 pm

1 stop7h 55m

Lambert-St Louis

Sat 1/24

4:15 pm-11:44 pm

1 stop7h 29m

$289

Sioux FallsSt. Louis

FSD - STL

FSDSTL

Sioux Falls Joe Foss Field

Thu 12/18

7:19 pm-11:44 pm

1 stop4h 25m

Lambert-St Louis

Mon 12/22

5:16 am-12:28 pm

1 stop7h 12m

$299

Sioux FallsSt. Louis

FSD - STL

FSDSTL

Sioux Falls Joe Foss Field

Fri 12/19

7:19 pm-11:55 pm

1 stop4h 36m

Lambert-St Louis

Mon 12/22

5:16 am-12:28 pm

1 stop7h 12m

$319

Rapid CitySt. Louis

RAP - STL

RAPSTL

Rapid City

Sat 1/10

12:35 pm-8:58 pm

1 stop7h 23m

Lambert-St Louis

Tue 1/13

4:15 pm-10:29 pm

1 stop7h 14m

$319

Sioux FallsSt. Louis

FSD - STL

FSDSTL

Sioux Falls Joe Foss Field

Thu 1/8

1:02 pm-4:45 pm

1 stop3h 43m

Lambert-St Louis

Sun 1/11

5:48 pm-11:04 pm

1 stop5h 16m

$319

Rapid CitySt. Louis

RAP - STL

RAPSTL

Rapid City

Wed 12/17

2:55 pm-8:57 pm

1 stop5h 02m

Lambert-St Louis

Thu 12/25

9:00 am-3:00 pm

1 stop7h 00m

$360

Sioux FallsSt. Louis

FSD - STL

FSDSTL

Sioux Falls Joe Foss Field

Thu 1/8

6:00 am-1:16 pm

1 stop7h 16m

Lambert-St Louis

Sun 1/11

6:00 pm-8:24 pm

1 stop26h 24m

$389

Rapid CitySt. Louis

RAP - STL

RAPSTL

Rapid City

Wed 12/17

2:55 pm-8:57 pm

1 stop5h 02m

Lambert-St Louis

Wed 12/31

2:45 pm-8:49 pm

1 stop7h 04m

$395

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/2

Showing 1-10 of 21 results
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Best time to book a flight from South Dakota to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from South Dakota with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from South Dakota to St. Louis

What is the cheapest month to book a flight from South Dakota to St. Louis?

Currently, May is the cheapest month in which you can book a flight from South Dakota to St. Louis (average of $188). Flying from South Dakota to St. Louis in July is currently the most expensive (average of $313). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SD to STL?

Find hourly flight availability from South Dakota to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 4, 2025.

One of the essential ways to save on airfare from South Dakota to St. Louis is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 41% on airfare.

How much does it cost to fly round-trip from South Dakota to St. Louis?

Related info for your journey

Find useful and relevant information for your journey from South Dakota to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly into for flights to St. Louis from South Dakota?

    If you book a flight to St. Louis from South Dakota, you will be flying to Lambert-St Louis, which is the city’s only airport. Lambert-St Louis (STL) is located 12.7 mi from the center of St. Louis.

  • How long is the flight from South Dakota to St. Louis?

    Departing from South Dakota to St. Louis will take you 4h 25m. Airlines will cover a distance of 470 mi. This flight may include one or multiple stops.

  • Can I find deals for flights from South Dakota to St. Louis that include hotel bookings?

    Yes. In addition to deals on South Dakota to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from South Dakota to St. Louis?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from South Dakota to St. Louis.

  • Can I find deals for business class flights from South Dakota to St. Louis?

    Yes. Cheapflights offers flight deals from South Dakota to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from South Dakota to St. Louis?

    Currently, May is the cheapest month in which you can book a flight from South Dakota to St. Louis (average of $188). Flying from South Dakota to St. Louis in July is currently the most expensive (average of $313). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Edwardsville
O'Fallon
Fairview Heights
Maryland Heights
Collinsville
Swansea
Eureka
Glencoe
St. Peters
Chesterfield
Alton
Farmington
Festus

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Alternative routes for South Dakota to St. Louis

See prices for flight routes from nearby airports that may be better suited for you.

Top 3 airlines flying from South Dakota to St. Louis

Discover the top 3 airlines that operate flights from South Dakota to St. Louis. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$228Average$311FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$243Average$289FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$264Average$366FlexibilityNo cancel feeOn-time69%

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