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South Dakota

$54+ Cheap flights from Illinois to South Dakota

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 11/18. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — FSD
Nov 5 — Nov 121
Tue 11/5
Tue 11/12
1 adult, Economy
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Find flight deals from Illinois to South Dakota

Cheapest flights from Illinois to South Dakota
Explore the most affordable flight options available from Illinois to South Dakota. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 31, 2024.

This Mytrip deal was found by Cheapflights users on 10/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/156:00 amMDW - FSD
1 stop15h 19mFrontier
Mon 11/181:36 pmFSD - MDW
1 stop26h 14mFrontier
Deal found 10/30$123
This Booking.com deal was found by Cheapflights users on 10/30. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1511:32 amORD - FSD
1 stop9h 47mFrontier
Sun 11/178:16 pmFSD - ORD
1 stop13h 31mFrontier
Deal found 10/30$138
This Frontier deal was found by Cheapflights users on 10/30. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/154:09 pmSTL - FSD
1 stop5h 10mFrontier
Mon 11/181:36 pmFSD - STL
1 stop10h 23mFrontier
Deal found 10/30$188
This American Airlines deal was found by Cheapflights users on 10/31. 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 12/69:00 pmORD - FSD
Nonstop1h 43mAmerican Airlines
Sat 12/75:20 amFSD - ORD
Nonstop1h 58mAmerican Airlines
Deal found 10/31$189
This United Airlines deal was found by Cheapflights users on 10/30. 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.
Fri 11/158:55 pmORD - FSD
Nonstop1h 43mUnited Airlines
Mon 11/186:35 pmFSD - ORD
Nonstop1h 50mUnited Airlines
Deal found 10/30$199
This Delta deal was found by Cheapflights users on 10/31. 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.
Fri 12/66:20 amORD - FSD
1 stop4h 01mDelta
Sat 12/75:00 amFSD - ORD
1 stop4h 22mDelta
Deal found 10/31$208
This Delta deal was found by Cheapflights users on 10/31. 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.
Fri 12/137:14 pmMDW - FSD
1 stop4h 04mDelta
Mon 12/165:00 amFSD - MDW
1 stop3h 50mDelta
Deal found 10/31$208
This United Airlines deal was found by Cheapflights users on 10/30. 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.
Wed 11/138:45 amORD - RAP
Nonstop2h 44mUnited Airlines
Wed 11/201:45 pmRAP - ORD
Nonstop2h 25mUnited Airlines
Deal found 10/30$219
This Delta deal was found by Cheapflights users on 10/31. 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.
Thu 11/2812:25 pmORD - RAP
1 stop4h 57mDelta
Tue 12/106:00 amRAP - ORD
1 stop4h 37mDelta
Deal found 10/31$228
This Delta deal was found by Cheapflights users on 10/31. 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.
Thu 11/2811:59 amMDW - RAP
1 stop5h 23mDelta
Sun 12/811:49 amRAP - MDW
1 stop5h 43mDelta
Deal found 10/31$228
This Delta deal was found by Cheapflights users on 10/31. 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.
Thu 11/286:00 amSTL - FSD
1 stop6h 21mDelta
Thu 12/54:18 pmFSD - STL
1 stop5h 37mDelta
Deal found 10/31$258
This Delta deal was found by Cheapflights users on 10/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/156:00 amSTL - RAP
1 stop6h 05mDelta
Mon 11/184:11 pmRAP - STL
1 stop4h 44mDelta
Deal found 10/30$258

Find flights from Illinois to South Dakota within your budget

Customize your flight search to find flights from Illinois 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 2,570,725 searches. Data last updated October 31, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

ChicagoSioux Falls

MDW - FSD

MDWFSD

Chicago Midway

Mon 11/18

6:05 am-12:45 pm

1 stop6h 40m

$54

ChicagoSioux Falls

ORD - FSD

ORDFSD

Chicago O'Hare Intl

Mon 1/27

7:50 am-5:43 pm

1 stop9h 53m

$60

ChicagoSioux Falls

ORD - FSD

ORDFSD

Chicago O'Hare Intl

Fri 11/29

9:20 pm-11:07 pm

Nonstop1h 47m

$120

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Tue 11/12

8:04 pm-1:55 pm

1 stop18h 51m

$124

ChicagoSioux Falls

ORD - FSD

ORDFSD

Chicago O'Hare Intl

Fri 1/3

12:35 pm-7:02 pm

1 stop6h 27m

$129

ChicagoSioux Falls

MDW - FSD

MDWFSD

Chicago Midway

Thu 11/14

11:31 am-10:49 am

2 stops23h 18m

$171

ChicagoSioux Falls

ORD - FSD

ORDFSD

Chicago O'Hare Intl

Tue 1/28

7:46 pm-9:36 pm

Nonstop1h 50m

$205

ChicagoSioux Falls

MDW - FSD

MDWFSD

Chicago Midway

Mon 12/2

7:17 pm-10:59 pm

1 stop3h 42m

$129

ChicagoSioux Falls

ORD - FSD

ORDFSD

Chicago O'Hare Intl

Thu 11/14

3:59 pm-10:49 am

2 stops18h 50m

$164

St. LouisSioux Falls

STL - FSD

STLFSD

Lambert-St Louis

Sun 11/24

1:34 pm-3:50 pm

1 stop26h 16m

$160

Flights are sorted by cheapest first

Deals found on 10/31

Showing 1-10 of 49 results
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Best time to book a flight from Illinois to South Dakota

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

Travel insights for flights from Illinois to South Dakota

Get recent, data-driven insights about flights from Illinois to South Dakota including ideal travel times, pricing trends, and more.

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

Currently, September is the cheapest month in which you can book a flight from Illinois to South Dakota (average of $333). Flying from Illinois to South Dakota in May is currently the most expensive (average of $422). 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 IL to SD?

Find hourly flight availability from Illinois to South Dakota. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 31, 2024.

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

Rainfall in South Dakota by month

Plan your trip to South Dakota by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in South Dakota ranges from 0.6 - 3.9 inches per month. June is typically the wettest month, when rainfall can reach 3.9 in. January is typically the driest time to visit South Dakota when rainfall is around 0.6 in.

Temperature in South Dakota by month

Plan your trip to South Dakota by taking into account the average temperature totals by month.

If weather is an important factor for your trip to South Dakota, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 15.8 F).

Reviews of airlines servicing South Dakota

Get insights into the airlines that provide service to South Dakota. 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 South Dakota. Reviews last updated October 31, 2024.
Read reviews from past customers who have flown American Airlines, Delta and United Airlines from Illinois to South Dakota. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,835 reviews

Entertainment

7.9

Food

7.3

Comfort

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Reviews

1 / 10

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

Delta
8.0
Very good
8,835 reviews
Delta
8.0
Very good
8,835 reviews

Entertainment

7.9

Food

7.3

Comfort

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Reviews

1 / 10

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

United Airlines
7.4
Good
9,240 reviews
Delta
8.0
Very good
8,835 reviews

Entertainment

7.9

Food

7.3

Comfort

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Reviews

1 / 10

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

Allegiant Air
7.4
Good
866 reviews
Delta
8.0
Very good
8,835 reviews

Entertainment

7.9

Food

7.3

Comfort

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Reviews

1 / 10

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
8,835 reviews

Entertainment

7.9

Food

7.3

Comfort

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Reviews

1 / 10

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

Frontier
6.1
Okay
3,580 reviews
Delta
8.0
Very good
8,835 reviews

Entertainment

7.9

Food

7.3

Comfort

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Reviews

1 / 10

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

Related info for your journey

Find useful and relevant information for your journey from Illinois to South Dakota. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find flights from Illinois to South Dakota for under $200 on Cheapflights?

    Yes, there are multiple flights from Illinois to South Dakota for under $200. The cheapest flight booked recently is on Frontier for just $123, but on average you can expect to pay $271.

  • Are there nonstop flights from Illinois to South Dakota for under $200 on Cheapflights?

    Cheapflights has at least 3 direct flights from Illinois to South Dakota under $200. A good price for a nonstop flight from Illinois to South Dakota is less than $202.

  • Are there last-minute flights available from Illinois to South Dakota for under $300?

    There are currently 13+ open flights from Illinois to South Dakota within the next 7 days for less than $300.

  • What days are nonstop flights available from Illinois to South Dakota?

    Nonstop flights are available for this route on the following days: Sunday, Thursday, Friday, Saturday.

  • How many flights depart from Illinois to South Dakota on average per day?

    Per day, 32 flights depart from Illinois to South Dakota on average.
    Morning (6am - Noon) - 31% of flight departures
    Afternoon (Noon - 6pm) - 34% of flight departures
    Evening (6pm - Midnight) - 34% of flight departures

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

    Frontier, American Airlines, and United Airlines can get you from Illinois to South Dakota in just under 1h 43m. Your travel time can differ by up to 13h 36m. There are 463 mi between Illinois and South Dakota. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Illinois to South Dakota one-way?

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $54. American Airlines flights start at $120 while deals on Delta start at $129 one-way.

  • What does ORD to FSD mean?

    Chicago O'Hare Intl Airport is ORD and Sioux Falls Joe Foss Field Airport is FSD. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service. Ready for more IATA code knowledge? These are related airports for your current travel destination: Rapid City Airport (RAP), Aberdeen Airport (ABR), Pierre Airport (PIR), Watertown Airport (ATY), Huron Howes Airport (HON).

  • Can I find deals for flights from Illinois to South Dakota that include extra baggage allowance?

    The amount of baggage you can bring on your Illinois to South Dakota flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Illinois to South Dakota with specific airlines?

    Yes, Cheapflights allows you to browse and filter Illinois to South Dakota flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Illinois 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.

  • Can I find deals for flights from Illinois to South Dakota that allow pets onboard?

    Many airlines flying from Illinois to South Dakota offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Illinois to South Dakota?

    Yes, you can often find last-minute deals on Illinois to South Dakota flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Illinois to South Dakota flight deals updated?

    The Illinois to South Dakota flight deals you see on this page were last updated on 10/31.

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

    Currently, September is the cheapest month in which you can book a flight from Illinois to South Dakota (average of $333). Flying from Illinois to South Dakota in May is currently the most expensive (average of $422). 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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Top 4 airlines flying from Illinois to South Dakota

Discover the top 4 airlines that operate flights from Illinois to South Dakota. 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 2,570,725 searches. Data last updated October 31, 2024.
AirlineCheapestAverageFlexibilityOn-time
Denver Air ConnectionCheapest$151Average$155FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$179Average$306FlexibilityNo cancel feeOn-time71%
DeltaCheapest$186Average$408FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$207Average$370FlexibilityNo cancel feeOn-time69%
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