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St. Louis

$175+ 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 7/20. Fares are subject to change and may not be available on all flights or dates of travel.
FSD — STL
jul. 5 — jul. 121
sáb. 7/5
sáb. 7/12
1 adult, Economy
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Cheap 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 junio 30, 2025.

Round-trip from

$239
(American Airlines)

One-way from

$175
(American Airlines)

Popular in

December

Cheapest in

August

Average price

$319
From South Dakota to Lambert-St Louis
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One-way flight from South Dakota to Lambert-St Louis
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Highest demand for flights based on searches. 13% potential increase in price ($53 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find 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 junio 30, 2025.

This Delta deal was found by Cheapflights users on 6/29. 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.
mié. 12/35:15 amFSD - STL
1 stop3h 29mDelta
dom. 12/76:30 amSTL - FSD
1 stop6h 01mDelta
Deal found 6/29$229
This American Airlines deal was found by Cheapflights users on 6/30. 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.
mar. 7/156:21 amFSD - STL
1 stop5h 35mAmerican Airlines
sáb. 7/198:01 pmSTL - FSD
1 stop3h 58mAmerican Airlines
Deal found 6/30$239
This American Airlines deal was found by Cheapflights users on 6/27. 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.
jue. 8/76:12 pmRAP - STL
1 stop4h 39mAmerican Airlines
mié. 8/137:23 amSTL - RAP
1 stop11h 11mAmerican Airlines
Deal found 6/27$295
This United Airlines deal was found by Cheapflights users on 6/30. 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.
vie. 12/197:45 amFSD - STL
1 stop6h 33mUnited Airlines
vie. 12/265:18 pmSTL - FSD
1 stop4h 29mUnited Airlines
Deal found 6/30$305
This United Airlines deal was found by Cheapflights users on 6/29. 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.
mar. 10/143:20 pmRAP - STL
1 stop4h 26mUnited Airlines
vie. 10/1712:25 pmSTL - RAP
2 stops7h 15mUnited Airlines
Deal found 6/29$450
This Delta deal was found by Cheapflights users on 6/29. 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.
lun. 7/146:50 amRAP - STL
1 stop6h 40mDelta
vie. 7/182:15 pmSTL - RAP
2 stops9h 16mDelta
Deal found 6/29$596
This Mytrip deal was found by Cheapflights users on 6/29. 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.
lun. 6/3010:09 pmFSD - STL
3 stops14h 01mMultiple Airlines
lun. 7/79:50 amSTL - FSD
2 stops9h 26mMultiple Airlines
Deal found 6/29$747
This Alaska Airlines deal was found by Cheapflights users on 6/30. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 7/212:06 pmFSD - STL
2 stops26h 20mAlaska Airlines
jue. 7/37:32 pmSTL - FSD
2 stops21h 54mAlaska Airlines
Deal found 6/30$1,438

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 junio 30, 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

Sioux FallsSt. Louis

FSD - STL

FSDSTL

Sioux Falls Joe Foss Field

mar. 7/15

6:21 am-11:56 am

1 stop5h 35m

Lambert-St Louis

sáb. 7/19

8:01 pm-11:59 pm

1 stop3h 58m

$239

Rapid CitySt. Louis

RAP - STL

RAPSTL

Rapid City

jue. 8/7

6:12 pm-11:51 pm

1 stop4h 39m

Lambert-St Louis

mié. 8/13

7:23 am-5:34 pm

1 stop11h 11m

$295

Sioux FallsSt. Louis

FSD - STL

FSDSTL

Sioux Falls Joe Foss Field

mar. 9/16

10:48 am-4:45 pm

1 stop5h 57m

Lambert-St Louis

jue. 9/18

6:00 am-12:11 pm

1 stop6h 11m

$353

Rapid CitySt. Louis

RAP - STL

RAPSTL

Rapid City

mar. 10/14

3:20 pm-8:46 pm

1 stop4h 26m

Lambert-St Louis

vie. 10/17

12:25 pm-6:40 pm

2 stops7h 15m

$450

Sioux FallsSt. Louis

FSD - STL

FSDSTL

Sioux Falls Joe Foss Field

mar. 9/16

5:06 pm-11:53 pm

1 stop6h 47m

Lambert-St Louis

jue. 9/18

6:15 am-11:40 pm

2 stops17h 25m

$532

Rapid CitySt. Louis

RAP - STL

RAPSTL

Rapid City

lun. 7/14

6:50 am-2:30 pm

1 stop6h 40m

Lambert-St Louis

vie. 7/18

2:15 pm-10:31 pm

2 stops9h 16m

$596

Rapid CitySt. Louis

RAP - STL

RAPSTL

Rapid City

dom. 7/20

6:05 pm-11:51 pm

1 stop4h 46m

$175

Rapid CitySt. Louis

RAP - STL

RAPSTL

Rapid City

vie. 8/22

2:25 pm-11:14 pm

2 stops7h 49m

$180

Rapid CitySt. Louis

RAP - STL

RAPSTL

Rapid City

vie. 7/25

3:21 pm-2:39 pm

3 stops22h 18m

$267

Rapid CitySt. Louis

RAP - STL

RAPSTL

Rapid City

mar. 7/29

9:42 am-9:35 pm

2 stops10h 53m

$291

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/29

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, August is the cheapest month in which you can book a flight from South Dakota to St. Louis (average of $311). Flying from South Dakota to St. Louis in March is currently the most expensive (average of $356). 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 junio 30, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from South Dakota to St. Louis as you normally would.

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

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to St. Louis. Reviews last updated junio 30, 2025.
Read reviews from past customers who have flown Delta, United Airlines, and American Airlines from South Dakota to St. Louis. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,969 reviews

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,969 reviews
Delta
8.0
Very good
7,969 reviews

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,852 reviews
Delta
8.0
Very good
7,969 reviews

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,969 reviews

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • What are the cheapest airlines to fly from South Dakota to St. Louis one-way?

    To fly one-way, consider booking your trip with American Airlines, which is currently one of the cheapest options available, starting at $175. Delta flights start at $180 while deals on United Airlines start at $291 one-way.

  • 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, August is the cheapest month in which you can book a flight from South Dakota to St. Louis (average of $311). Flying from South Dakota to St. Louis in March is currently the most expensive (average of $356). 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 South Dakota?

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

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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.
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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 junio 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$228Average$313FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$228Average$396FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$253Average$308FlexibilityNo cancel feeOn-time71%

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