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Sioux Falls

$119+ Cheap flights from Illinois to Sioux Falls (FSD)

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 11/14. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — FSD
Oct 19 — Oct 261
Sun 10/19
Sun 10/26
1 adult, Economy
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Cheap flight deals from Illinois to Sioux Falls

Keep the following information in mind while searching for Illinois to Sioux Falls flight deals. Data was last updated September 19, 2025.

Round-trip from

$148
(Priceline)

One-way from

$119
(Kiwi.com)

Popular in

January

Cheapest in

September

Average price

$219

Good round-trip deal

$250 or less

Good one-way deal

$258 or less
From Illinois to Sioux Falls Joe Foss Field
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One-way flight from Illinois to Sioux Falls Joe Foss Field
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Highest demand for flights based on searches. 11% potential increase in price ($38 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Illinois to Sioux Falls Joe Foss Field.
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Price to beat on a one-way flight from Illinois to Sioux Falls Joe Foss Field.
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Find flight deals from Illinois to Sioux Falls

Cheapest flights from Illinois to Sioux Falls
Explore the most affordable flight options available from Illinois to Sioux Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 19, 2025.

This Priceline deal was found by Cheapflights users on 9/16. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/236:50 amORD - FSD
1 stop7h 34mFrontier
Mon 10/277:28 pmFSD - ORD
1 stop5h 31mFrontier
Deal found 9/16$148
This Priceline deal was found by Cheapflights users on 9/16. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2410:51 amORD - FSD
1 stop7h 42mFrontier
Mon 10/277:28 pmFSD - ORD
1 stop5h 31mFrontier
Deal found 9/16$174
This American Airlines deal was found by Cheapflights users on 9/16. 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 11/148:29 amORD - FSD
Nonstop1h 58mAmerican Airlines
Sun 11/165:30 amFSD - ORD
Nonstop1h 57mAmerican Airlines
Deal found 9/16$189
This American Airlines deal was found by Cheapflights users on 9/16. 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.
Thu 10/98:45 pmORD - FSD
Nonstop1h 57mAmerican Airlines
Sun 10/126:27 pmFSD - ORD
Nonstop1h 54mAmerican Airlines
Deal found 9/16$190
This United Airlines deal was found by Cheapflights users on 9/16. 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 10/18:30 pmORD - FSD
Nonstop1h 52mUnited Airlines
Sun 10/58:00 amFSD - ORD
Nonstop1h 51mUnited Airlines
Deal found 9/16$199
This Kiwi.com deal was found by Cheapflights users on 9/17. 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.
Sat 11/18:40 pmSTL - FSD
1 stop17h 58mFrontier
Thu 11/62:23 pmFSD - STL
1 stop18h 44mFrontier
Deal found 9/17$203
This Delta deal was found by Cheapflights users on 9/18. 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.
Sat 10/189:20 amMDW - FSD
1 stop6h 24mDelta
Sat 10/251:35 pmFSD - MDW
1 stop4h 08mDelta
Deal found 9/18$209
This Booking.com deal was found by Cheapflights users on 9/16. 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.
Wed 11/56:25 pmORD - FSD
2 stops19h 13mFrontier
Thu 11/132:23 pmFSD - ORD
1 stop9h 52mFrontier
Deal found 9/16$214
This United Airlines deal was found by Cheapflights users on 9/16. 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 12/2412:35 pmORD - FSD
Nonstop1h 52mUnited Airlines
Sat 1/36:16 pmFSD - ORD
Nonstop2h 04mUnited Airlines
Deal found 9/16$217
This Kiwi.com deal was found by Cheapflights users on 9/16. 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.
Wed 11/56:05 amORD - FSD
1 stop26h 26mMultiple Airlines
Thu 11/132:23 pmFSD - ORD
1 stop9h 52mMultiple Airlines
Deal found 9/16$220
This American Airlines deal was found by Cheapflights users on 9/16. 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.
Thu 11/2011:11 amORD - FSD
Nonstop2h 02mAmerican Airlines
Mon 11/245:31 pmFSD - ORD
1 stop6h 16mAmerican Airlines
Deal found 9/16$229
This United Airlines deal was found by Cheapflights users on 9/17. 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 10/105:28 pmSTL - FSD
1 stop4h 54mUnited Airlines
Sun 10/128:00 amFSD - STL
1 stop6h 27mUnited Airlines
Deal found 9/17$229

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois to Sioux Falls 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 September 19, 2025.
Use the filters below to find and compare flights from Illinois to Sioux Falls that are best for you.

Fly from

Illinois

Fly to

Sioux Falls

Route

Depart

Return

Price

ChicagoSioux Falls

ORD - FSD

ORDFSD

Chicago O'Hare Intl

Fri 10/24

10:51 am-6:33 pm

1 stop7h 42m

Sioux Falls Joe Foss Field

Mon 10/27

7:28 pm-12:59 am

1 stop5h 31m

$174

ChicagoSioux Falls

ORD - FSD

ORDFSD

Chicago O'Hare Intl

Thu 10/23

6:50 am-2:24 pm

1 stop7h 34m

Sioux Falls Joe Foss Field

Mon 10/27

7:28 pm-11:14 am

2 stops15h 46m

$193

ChicagoSioux Falls

ORD - FSD

ORDFSD

Chicago O'Hare Intl

Fri 3/6

7:57 pm-9:47 pm

Nonstop1h 50m

Sioux Falls Joe Foss Field

Mon 3/9

6:20 pm-8:06 pm

Nonstop1h 46m

$194

ChicagoSioux Falls

ORD - FSD

ORDFSD

Chicago O'Hare Intl

Fri 10/3

8:30 pm-10:22 pm

Nonstop1h 52m

Sioux Falls Joe Foss Field

Tue 10/7

3:12 pm-5:10 pm

Nonstop1h 58m

$199

ChicagoSioux Falls

ORD - FSD

ORDFSD

Chicago O'Hare Intl

Fri 10/3

8:30 pm-10:22 pm

Nonstop1h 52m

Sioux Falls Joe Foss Field

Sun 10/5

6:10 pm-8:09 pm

Nonstop1h 59m

$199

St. LouisSioux Falls

STL - FSD

STLFSD

Lambert-St Louis

Sat 11/1

8:40 pm-2:38 pm

1 stop17h 58m

Sioux Falls Joe Foss Field

Thu 11/6

2:23 pm-9:07 am

1 stop18h 44m

$203

ChicagoSioux Falls

MDW - FSD

MDWFSD

Chicago Midway

Sat 10/18

9:20 am-3:44 pm

1 stop6h 24m

Sioux Falls Joe Foss Field

Sat 10/25

1:35 pm-5:43 pm

1 stop4h 08m

$209

ChicagoSioux Falls

ORD - FSD

ORDFSD

Chicago O'Hare Intl

Wed 11/5

5:18 am-12:23 pm

1 stop7h 05m

Sioux Falls Joe Foss Field

Thu 11/13

1:43 pm-3:36 pm

Nonstop1h 53m

$229

ChicagoSioux Falls

ORD - FSD

ORDFSD

Chicago O'Hare Intl

Thu 11/20

10:05 pm-11:59 pm

Nonstop1h 54m

Sioux Falls Joe Foss Field

Mon 11/24

5:31 pm-11:47 pm

1 stop6h 16m

$229

St. LouisSioux Falls

STL - FSD

STLFSD

Lambert-St Louis

Wed 12/3

5:34 pm-11:11 pm

1 stop5h 37m

Sioux Falls Joe Foss Field

Sat 12/6

10:55 am-4:49 pm

1 stop5h 54m

$229

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/17

Showing 1-10 of 58 results
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Best time to book a flight from Illinois to Sioux Falls

Have a flexible travel schedule? Discover the best time to fly to Sioux Falls 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.

Cheapflights Insights

Everything you need to know about your flight from Illinois to Sioux Falls

What is the cheapest month to book a flight from Illinois to Sioux Falls?

Currently, September is the cheapest month in which you can book a flight from Illinois to Sioux Falls (average of $334). Flying from Illinois to Sioux Falls in December is currently the most expensive (average of $446). 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 FSD?

Find hourly flight availability from Illinois to Sioux Falls. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 19, 2025.

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

Weekly flight availability from Illinois to Sioux Falls

Explore weekly flight availability from Illinois to Sioux Falls. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated September 19, 2025.

The most flights from USIL to FSD are scheduled on a Thursday (16 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (9 on average).

Related info for your journey

Find useful and relevant information for your journey from Illinois to Sioux Falls. 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 Sioux Falls from Illinois?

    For a flight from Illinois to Sioux Falls, you will be flying into Joe Foss Field. Sioux Falls Joe Foss Field (FSD) is just 2.6 mi from the center of the city.

  • How long is the flight from Illinois to Sioux Falls?

    Frontier, United Airlines, and Delta can get you from Illinois to Sioux Falls in just under 1h 50m. Your travel time can differ by up to 5h 52m. The distance between Illinois and Sioux Falls is about 461 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the most popular routes from Illinois to Sioux Falls?

    Most travelers choose Chicago O'Hare Intl - Sioux Falls Joe Foss Field, Chicago Midway - Sioux Falls Joe Foss Field or Lambert-St Louis - Sioux Falls Joe Foss Field when deciding on the best route from Illinois to Sioux Falls.

  • What are the most reliable airlines from Illinois to Sioux Falls?

    No one likes to see their flight delayed. When booking a flight from Illinois to Sioux Falls consider choosing GoJet (79%), Alaska Airlines (70%) or United Airlines (70%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Illinois to Sioux Falls?

    On average you can expect to pay $341 for a flight from Illinois to Sioux Falls. The cheapest flight overall is $128 while the most popular route, (Chicago O'Hare Intl - Sioux Falls Joe Foss Field) is currently priced at $189.

  • Can I find deals for flights from Illinois to Sioux Falls that include hotel bookings?

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

  • How can I find direct flights from Illinois to Sioux Falls?

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

  • Can I find deals for business class flights from Illinois to Sioux Falls?

    Yes. Cheapflights offers flight deals from Illinois to Sioux Falls 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 Illinois to Sioux Falls?

    Currently, September is the cheapest month in which you can book a flight from Illinois to Sioux Falls (average of $334). Flying from Illinois to Sioux Falls in December is currently the most expensive (average of $446). 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 Sioux Falls?

Book flights to Sioux Falls if you plan to visit one of these locations
Marshall

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Top 2 airlines flying from Illinois to Sioux Falls

Discover the top 2 airlines that operate flights from Illinois to Sioux Falls. 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 September 19, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$189Average$249FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$194Average$330FlexibilityNo cancel feeOn-time69%

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