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South Dakota

$561+ Cheap flights from Springfield, IL (SPI) to South Dakota

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/17. Fares are subject to change and may not be available on all flights or dates of travel.
SPI — FSD
Mar 6 — Mar 131
Fri 3/6
Fri 3/13
1 adult, Economy
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Cheap flight deals from Springfield to South Dakota

Cheapest flights from Springfield to South Dakota
Explore the most affordable flight options available from Springfield to South Dakota. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 4, 2026.

This American Airlines deal was found by Cheapflights users on 2/2. 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.
Fri 7/176:00 am
SPI
-
RAP
1 stop6h 15m
American Airlines
Sun 7/194:16 pm
RAP
-
SPI
1 stop6h 23m
American Airlines
Deal found 2/2$561

Find flight deals from Springfield to South Dakota

Keep the following information in mind while searching for Springfield to South Dakota flight deals. Data was last updated February 4, 2026.

Round-trip from

$561
(American Airlines)
From Springfield Capital to South Dakota
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Springfield to South Dakota 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 February 4, 2026.
Use the filters below to find and compare flights from Springfield to South Dakota that are best for you.

Fly from

Springfield

Fly to

South Dakota

Route

Depart

Return

Price

SpringfieldRapid City

SPI - RAP

SPIRAP

Springfield Capital

Fri 7/17

6:00 am-11:15 am

1 stop6h 15m

Rapid City

Sun 7/19

4:16 pm-11:39 pm

1 stop6h 23m

$561

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/2

Best time to book a flight from Springfield to South Dakota

Have a flexible travel schedule? Discover the best time to fly to South Dakota from Springfield 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 Springfield to South Dakota

What is the cheapest month to book a flight from Springfield, Illinois to South Dakota?

Currently, August is the cheapest month in which you can book a flight from Springfield, Illinois to South Dakota (average of $197). Flying from Springfield, Illinois to South Dakota in October is currently the most expensive (average of $298). 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.

Related info for your journey

Find useful and relevant information for your journey from Springfield to South Dakota. 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 from for flights from Springfield to South Dakota?

    For a flight from Springfield to South Dakota, you will be flying from Capital. Springfield Capital (SPI) is just 3.4 mi from the center of the city.

  • How long is the flight from Springfield, Illinois to South Dakota?

    Departing from Springfield, Illinois to South Dakota will take you 6h 15m. The distance from Springfield, Illinois to South Dakota is about 745 mi.

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

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

  • How can I find direct flights from Springfield to South Dakota?

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

  • Can I find deals for business class flights from Springfield to South Dakota?

    Yes. Cheapflights offers flight deals from Springfield to South Dakota 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 Springfield, Illinois to South Dakota?

    Currently, August is the cheapest month in which you can book a flight from Springfield, Illinois to South Dakota (average of $197). Flying from Springfield, Illinois to South Dakota in October is currently the most expensive (average of $298). 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

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