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Sioux Falls

$93+ 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 2/19. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — FSD
Jan 21 — Jan 281
Wed 1/21
Wed 1/28
1 adult, Economy
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Cheap 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 December 22, 2025.

This Delta deal was found by Cheapflights users on 12/21. 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.
Mon 12/225:59 pmMDW - FSD
1 stop5h 09mDelta
Fri 2/131:00 pmFSD - MDW
1 stop5h 40mDelta
Deal found 12/21$309
This American Airlines deal was found by Cheapflights users on 12/20. 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 12/251:50 pmORD - FSD
Nonstop1h 55mAmerican Airlines
Sat 12/277:11 amFSD - ORD
Nonstop1h 59mAmerican Airlines
Deal found 12/20$334
This United Airlines deal was found by Cheapflights users on 12/21. 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 12/241:00 pmMLI - FSD
1 stop4h 27mUnited Airlines
Tue 12/307:30 amFSD - MLI
1 stop4h 43mUnited Airlines
Deal found 12/21$364
This American Airlines deal was found by Cheapflights users on 12/21. 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.
Mon 12/228:15 amORD - FSD
Nonstop2h 01mAmerican Airlines
Mon 12/297:29 pmFSD - ORD
Nonstop2h 01mAmerican Airlines
Deal found 12/21$389
This American Airlines deal was found by Cheapflights users on 12/19. 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.
Tue 12/238:15 amORD - FSD
Nonstop2h 01mAmerican Airlines
Fri 12/267:11 amFSD - ORD
Nonstop1h 59mAmerican Airlines
Deal found 12/19$396
This United Airlines deal was found by Cheapflights users on 12/21. 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.
Mon 12/225:50 pmORD - FSD
1 stop6h 05mUnited Airlines
Fri 12/266:16 pmFSD - ORD
Nonstop2h 04mUnited Airlines
Deal found 12/21$399
This United Airlines deal was found by Cheapflights users on 12/21. 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 12/242:31 pmORD - FSD
1 stop5h 29mUnited Airlines
Fri 12/266:16 pmFSD - ORD
Nonstop2h 04mUnited Airlines
Deal found 12/21$410
This Delta deal was found by Cheapflights users on 12/21. 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.
Mon 12/227:00 amORD - FSD
2 stops8h 45mDelta
Fri 12/265:00 amFSD - ORD
1 stop4h 25mDelta
Deal found 12/21$414
This United Airlines deal was found by Cheapflights users on 12/21. 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
Wed 12/317:30 amFSD - ORD
Nonstop2h 00mUnited Airlines
Deal found 12/21$429
This American Airlines deal was found by Cheapflights users on 12/19. 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.
Sat 12/203:34 pmSTL - FSD
1 stop5h 43mAmerican Airlines
Fri 12/267:29 pmFSD - STL
1 stop4h 26mAmerican Airlines
Deal found 12/19$479
This Delta deal was found by Cheapflights users on 12/21. 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.
Mon 12/225:59 pmMDW - FSD
1 stop5h 09mDelta
Mon 12/2911:06 amFSD - MDW
2 stops6h 20mDelta
Deal found 12/21$529
This Delta deal was found by Cheapflights users on 12/21. 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.
Sun 12/286:05 amSTL - FSD
1 stop6h 28mDelta
Mon 12/297:00 amFSD - STL
1 stop4h 12mDelta
Deal found 12/21$673

Find 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 December 22, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$189
(American Airlines)

One-way from

$93
(Trip.com)

Popular in

June

Cheapest in

September

Average price

$338

Good round-trip deal

$198 or less

Good one-way deal

$213 or less
Provider with most accurate pricing for Chicago (CHI)-Sioux Falls Joe Foss Field flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-Sioux Falls Joe Foss Field flights.
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From Illinois to Sioux Falls Joe Foss Field
Search Deals
One-way flight from Illinois to Sioux Falls Joe Foss Field
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($9 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Illinois to Sioux Falls Joe Foss Field.
Search Deals
Price to beat on a one-way flight from Illinois to Sioux Falls Joe Foss Field.
Search Deals

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 December 22, 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 1/16

7:58 pm-9:50 pm

Nonstop1h 52m

Sioux Falls Joe Foss Field

Sat 1/17

7:30 am-9:32 am

Nonstop2h 02m

$189

St. LouisSioux Falls

STL - FSD

STLFSD

Lambert-St Louis

Thu 1/15

6:00 pm-11:44 pm

1 stop5h 44m

Sioux Falls Joe Foss Field

Tue 1/20

1:40 pm-8:58 pm

1 stop7h 18m

$193

ChicagoSioux Falls

ORD - FSD

ORDFSD

Chicago O'Hare Intl

Fri 1/23

6:15 am-10:22 am

1 stop4h 07m

Sioux Falls Joe Foss Field

Thu 1/29

1:02 pm-5:55 pm

1 stop4h 53m

$209

ChicagoSioux Falls

ORD - FSD

ORDFSD

Chicago O'Hare Intl

Sat 1/3

8:13 am-10:11 am

Nonstop1h 58m

Sioux Falls Joe Foss Field

Wed 1/7

12:26 pm-2:20 pm

Nonstop1h 54m

$219

ChicagoSioux Falls

ORD - FSD

ORDFSD

Chicago O'Hare Intl

Sat 1/3

10:03 pm-11:59 pm

Nonstop1h 56m

Sioux Falls Joe Foss Field

Tue 1/6

6:00 am-7:58 am

Nonstop1h 58m

$219

ChicagoSioux Falls

ORD - FSD

ORDFSD

Chicago O'Hare Intl

Sat 1/3

12:35 pm-2:27 pm

Nonstop1h 52m

Sioux Falls Joe Foss Field

Tue 1/6

7:30 am-9:32 am

Nonstop2h 02m

$219

ChicagoSioux Falls

ORD - FSD

ORDFSD

Chicago O'Hare Intl

Thu 1/8

8:50 am-12:22 pm

1 stop3h 32m

Sioux Falls Joe Foss Field

Sun 1/11

5:00 am-8:40 am

1 stop3h 40m

$224

ChicagoSioux Falls

MDW - FSD

MDWFSD

Chicago Midway

Thu 1/8

1:49 pm-7:30 pm

1 stop5h 41m

Sioux Falls Joe Foss Field

Sun 1/11

5:00 am-9:08 am

1 stop4h 08m

$224

ChicagoSioux Falls

ORD - FSD

ORDFSD

Chicago O'Hare Intl

Sat 1/3

6:35 am-10:26 am

1 stop3h 51m

Sioux Falls Joe Foss Field

Wed 1/7

5:00 am-8:40 am

1 stop3h 40m

$239

ChicagoSioux Falls

MDW - FSD

MDWFSD

Chicago Midway

Sat 1/3

5:59 pm-11:08 pm

1 stop5h 09m

Sioux Falls Joe Foss Field

Wed 1/7

5:00 am-9:08 am

1 stop4h 08m

$239

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/20

Showing 1-10 of 38 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, January is the cheapest month in which you can book a flight from Illinois to Sioux Falls (average of $189). Flying from Illinois to Sioux Falls in October is currently the most expensive (average of $249). 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 December 22, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 44% on flights from Illinois to Sioux Falls by exploring options for tickets at noon.

What is the cheapest day to fly from Illinois to Sioux Falls?

Use this chart to determine the cheapest time to fly round-trip from Illinois to Sioux Falls. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Illinois to Sioux Falls flight should consider departing on Thursday at noon when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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 December 22, 2025.

The most flights from USIL to FSD are scheduled on a Monday (18 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (2 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?

    United Airlines, Delta, and American Airlines can get you from Illinois to Sioux Falls in just under 1h 52m. Your travel time can differ by up to 2h 15m. 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, Lambert-St Louis - Sioux Falls Joe Foss Field or Chicago Midway - 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 (63%), United Airlines (60%) or Alaska Airlines (59%) 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 $306 for a flight from Illinois to Sioux Falls. The cheapest flight overall is $189 while the most popular route, (Chicago O'Hare Intl - Sioux Falls Joe Foss Field) is currently priced at $209.

  • 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, January is the cheapest month in which you can book a flight from Illinois to Sioux Falls (average of $189). Flying from Illinois to Sioux Falls in October is currently the most expensive (average of $249). 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?

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Alternative routes for Illinois to Sioux Falls

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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 December 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$189Average$249FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$194Average$330FlexibilityNo cancel feeOn-time69%

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