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 $100. Delta flights start at $241 while deals on United Airlines start at $246 one-way.

What are the most popular airlines that fly from South Dakota to St. Louis?

Consider American Airlines, Delta or United Airlines when booking your flight. These represent the most popular airlines when flying from South Dakota to St. Louis.

What is the cheapest month to fly from South Dakota to St. Louis?

The best pricing can be found in the month of August. Prices to St. Louis from South Dakota average $344. You can even find prices in August for less than $344, as users have found deals to St. Louis from as low as $225. The month of December appears to be one of the more expensive times to travel to St. Louis from South Dakota. Flying in the targeted month can save you up to 36%.

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.

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.

$100+ Flights from South Dakota to St. Louis - Compare & Save Big

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Cheap flight deals from South Dakota to St. Louis

Most accurate provider	FlightHub 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$239 (Delta)
One-way from	$100 (American Airlines)
Popular in	December
Cheapest in	August
Average price	$343

Provider with most accurate pricing for Sioux Falls Joe Foss Field-Lambert-St Louis flight deals.

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Provider most trusted by Cheapflights users for Sioux Falls Joe Foss Field-Lambert-St Louis flights.

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From South Dakota to Lambert-St Louis

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One-way flight from South Dakota to Lambert-St Louis

Search Deals

Highest demand for flights based on searches. 11% potential increase in price ($45 potential increase over avg. RT price).

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Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).

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Average for round-trip flights in May 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 May 1, 2025.

Thu 5/157:59 pmFSD - STL

1 stop3h 27mDelta

Mon 5/196:00 amSTL - FSD

1 stop4h 15mDelta

Deal found 4/30

$239

Thu 5/156:23 amRAP - STL

1 stop7h 24mUnited Airlines

Mon 5/195:29 pmSTL - RAP

1 stop4h 45mUnited Airlines

Deal found 4/29

$272

Tue 6/106:20 amFSD - STL

1 stop5h 38mAmerican Airlines

Tue 6/108:05 pmSTL - FSD

1 stop3h 53mAmerican Airlines

Deal found 4/29

$319

Fri 5/91:50 pmFSD - STL

1 stop7h 11mUnited Airlines

Mon 5/125:29 pmSTL - FSD

1 stop4h 43mUnited Airlines

Deal found 4/29

$329

Thu 5/2910:46 amRAP - STL

2 stops11h 52mDelta

Mon 6/910:48 amSTL - RAP

2 stops12h 43mDelta

Deal found 4/29

$733

Best flights from South Dakota to St. Louis
Discover carefully curated flight deals from South Dakota to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 1, 2025.

Thu 5/157:59 pmFSD - STL

1 stop3h 27mDelta

Mon 5/196:00 amSTL - FSD

1 stop4h 15mDelta

Deal found 4/30

$239

Thu 5/156:23 amRAP - STL

1 stop7h 24mUnited Airlines

Mon 5/195:29 pmSTL - RAP

1 stop4h 45mUnited Airlines

Deal found 4/29

$272

Tue 6/106:20 amFSD - STL

1 stop5h 38mAmerican Airlines

Tue 6/108:05 pmSTL - FSD

1 stop3h 53mAmerican Airlines

Deal found 4/29

$319

Thu 8/2811:44 amFSD - STL

1 stop4h 49mUnited Airlines

Mon 9/15:30 pmSTL - FSD

1 stop4h 42mUnited Airlines

Deal found 4/30

$344

Thu 5/2910:46 amRAP - STL

2 stops11h 52mDelta

Mon 6/910:48 amSTL - RAP

2 stops12h 43mDelta

Deal found 4/29

$733

Last-minute flights from South Dakota to St. Louis
Discover last-minute flight deals from South Dakota to St. Louis. Data last updated May 1, 2025 and is based on user searches.

Fri 5/91:50 pmFSD - STL

1 stop7h 11mUnited Airlines

Mon 5/125:29 pmSTL - FSD

1 stop4h 43mUnited Airlines

Deal found 4/29

$329

Thu 5/157:59 pmFSD - STL

1 stop3h 27mDelta

Mon 5/196:00 amSTL - FSD

1 stop4h 15mDelta

Deal found 4/30

$239

Thu 5/156:23 amRAP - STL

1 stop7h 24mUnited Airlines

Mon 5/195:29 pmSTL - RAP

1 stop4h 45mUnited Airlines

Deal found 4/29

$272

Thu 5/2910:46 amRAP - STL

2 stops11h 52mDelta

Mon 6/910:48 amSTL - RAP

2 stops12h 43mDelta

Deal found 4/29

$733

One-way flights from South Dakota to St. Louis
Search for one-way flight options from South Dakota to St. Louis. Find affordable one-way fares based on user searches. Data last updated May 1, 2025.

Thu 5/291:32 pmFSD - STL

1 stop5h 57mAmerican Airlines

Deal found 5/1

$100

Fri 5/304:35 pmRAP - STL

1 stop5h 10mAmerican Airlines

Deal found 4/30

$175

Thu 5/1510:12 pmRAP - STL

2 stops34h 03mMultiple Airlines

Deal found 4/29

$203

Wed 5/1410:46 amRAP - STL

2 stops11h 52mDelta

Deal found 4/29

$241

Fri 5/3011:19 amRAP - STL

2 stops10h 26mUnited Airlines

Deal found 4/30

$246

Thu 5/299:25 amFSD - STL

2 stops19h 38mUnited Airlines

Deal found 5/1

$355

Cheapflights Fare Finder

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

Sioux FallsSt. Louis

FSD - STL

FSDSTL

Sioux Falls Joe Foss Field

Thu 5/15

7:59 pm-11:26 pm

1 stop3h 27m

Lambert-St Louis

Mon 5/19

6:00 am-10:15 am

1 stop4h 15m

$239

Rapid CitySt. Louis

RAP - STL

RAPSTL

Rapid City

Thu 5/15

6:23 am-2:47 pm

1 stop7h 24m

Lambert-St Louis

Mon 5/19

5:29 pm-9:14 pm

1 stop4h 45m

$272

Sioux FallsSt. Louis

FSD - STL

FSDSTL

Sioux Falls Joe Foss Field

Tue 6/10

6:20 am-11:58 am

1 stop5h 38m

Lambert-St Louis

Tue 6/10

8:05 pm-11:58 pm

1 stop3h 53m

$319

Sioux FallsSt. Louis

FSD - STL

FSDSTL

Sioux Falls Joe Foss Field

Thu 8/28

11:44 am-4:33 pm

1 stop4h 49m

Lambert-St Louis

Mon 9/1

5:30 pm-10:12 pm

1 stop4h 42m

$344

Rapid CitySt. Louis

RAP - STL

RAPSTL

Rapid City

Thu 5/29

10:46 am-11:38 pm

2 stops11h 52m

Lambert-St Louis

Mon 6/9

10:48 am-10:31 pm

2 stops12h 43m

$733

Sioux FallsSt. Louis

FSD - STL

FSDSTL

Sioux Falls Joe Foss Field

Thu 5/29

1:32 pm-7:29 pm

1 stop5h 57m

$100

Rapid CitySt. Louis

RAP - STL

RAPSTL

Rapid City

Fri 5/30

4:35 pm-10:45 pm

1 stop5h 10m

$175

Rapid CitySt. Louis

RAP - STL

RAPSTL

Rapid City

Thu 5/15

10:12 pm-9:15 am

2 stops34h 03m

$203

Rapid CitySt. Louis

RAP - STL

RAPSTL

Rapid City

Wed 5/14

10:46 am-11:38 pm

2 stops11h 52m

$241

Rapid CitySt. Louis

RAP - STL

RAPSTL

Rapid City

Fri 5/30

11:19 am-10:45 pm

2 stops10h 26m

$246

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/1

Showing 1-10 of 11 results

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?

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.

Rainfall in St. Louis by month

In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.

Temperature in St. Louis by month

If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

Reviews of airlines servicing St. Louis

Peruse reviews from past customers who have flown with Delta, United Airlines and American Airlines from South Dakota to St. Louis to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,934 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta

8.0

Very good

7,934 reviews

Delta

8.0

Very good

7,934 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines

7.4

Good

8,696 reviews

Delta

8.0

Very good

7,934 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,934 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

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 $100. Delta flights start at $241 while deals on United Airlines start at $246 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

Fenton

Maryland Heights

Fairview Heights

Collinsville

Wentzville

Eureka

St. Peters

Festus

Glencoe

Alton

Farmington

O'Fallon

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Top 3 airlines flying from South Dakota to St. Louis

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$228	Average$300	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$228	Average$407	FlexibilityNo cancel fee	On-time69%
Delta	Cheapest$228	Average$286	FlexibilityNo cancel fee	On-timeN/A

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$100+ 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 5/29. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from South Dakota to St. Louis with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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 May 1, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from South Dakota to St. Louis

Cheapest flights from South Dakota to St. LouisExplore 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 May 1, 2025.

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 May 1, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from South Dakota to St. Louis that are best for you.

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.

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?

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 May 1, 2025.

Rainfall in St. Louis by month

Plan your trip to St. Louis by taking into account the average rainfall totals by month.

Temperature in St. Louis by month

Plan your trip to St. Louis by taking into account the average temperature totals by month.

Reviews of airlines servicing St. Louis

Peruse reviews from past customers who have flown with Delta, United Airlines and American Airlines from South Dakota to St. Louis to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

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?

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

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

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

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

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

Traveling to a place near South Dakota?

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Alternative routes for South Dakota to St. Louis

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Top 3 airlines flying from South Dakota to St. Louis

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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 May 1, 2025.