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Sioux Falls

$55+ 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 12/4. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — FSD
Dec 5 — Dec 121
Fri 12/5
Fri 12/12
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 November 5, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$189
(American Airlines)

One-way from

$55
(Priceline)

Popular in

August

Cheapest in

September

Average price

$254

Good round-trip deal

$189 or less

Good one-way deal

$207 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
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One-way flight from Illinois to Sioux Falls Joe Foss Field
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High demand for flights, 1% potential price rise
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Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in November 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 November 5, 2025.

This American Airlines deal was found by Cheapflights users on 11/4. 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 11/258:29 amORD - FSD
Nonstop1h 58mAmerican Airlines
Thu 11/2710:59 amFSD - ORD
Nonstop1h 52mAmerican Airlines
Deal found 11/4$189
This American Airlines deal was found by Cheapflights users on 11/4. 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 12/198:15 amORD - FSD
Nonstop2h 01mAmerican Airlines
Thu 1/17:29 pmFSD - ORD
Nonstop2h 01mAmerican Airlines
Deal found 11/4$193
This American Airlines deal was found by Cheapflights users on 11/3. 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 11/2010:05 pmORD - FSD
Nonstop1h 54mAmerican Airlines
Mon 11/2410:59 amFSD - ORD
Nonstop1h 52mAmerican Airlines
Deal found 11/3$204
This Delta deal was found by Cheapflights users on 11/3. 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.
Wed 12/36:00 amORD - FSD
1 stop4h 20mDelta
Wed 12/105:14 amFSD - ORD
1 stop3h 26mDelta
Deal found 11/3$209
This Delta deal was found by Cheapflights users on 11/4. 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.
Wed 12/245:59 pmMDW - FSD
1 stop5h 09mDelta
Sat 1/37:00 amFSD - MDW
1 stop4h 06mDelta
Deal found 11/4$209
This Delta deal was found by Cheapflights users on 11/4. 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 12/55:42 pmORD - FSD
1 stop5h 30mDelta
Sun 12/75:14 amFSD - ORD
2 stops8h 36mDelta
Deal found 11/4$229
This United Airlines deal was found by Cheapflights users on 11/4. 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.
Sat 12/66:30 amSTL - FSD
1 stop4h 15mUnited Airlines
Wed 12/108:00 amFSD - STL
1 stop4h 15mUnited Airlines
Deal found 11/4$229
This United Airlines deal was found by Cheapflights users on 11/3. 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 11/108:00 pmORD - FSD
Nonstop1h 46mUnited Airlines
Mon 12/86:08 pmFSD - ORD
Nonstop1h 57mUnited Airlines
Deal found 11/3$234
This Kiwi.com deal was found by Cheapflights users on 11/5. 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.
Thu 11/203:37 pmORD - FSD
2 stops27h 59mMultiple Airlines
Mon 11/2410:35 amFSD - ORD
1 stop24h 03mMultiple Airlines
Deal found 11/5$242
This American Airlines deal was found by Cheapflights users on 11/4. 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.
Wed 12/248:25 amORD - FSD
1 stop8h 15mAmerican Airlines
Sat 1/37:10 pmFSD - ORD
Nonstop2h 06mAmerican Airlines
Deal found 11/4$244
This American Airlines deal was found by Cheapflights users on 11/4. 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.
Wed 11/2610:05 pmORD - FSD
Nonstop1h 54mAmerican Airlines
Mon 12/17:16 pmFSD - ORD
Nonstop1h 58mAmerican Airlines
Deal found 11/4$249
This Delta deal was found by Cheapflights users on 11/3. 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 12/119:59 amMDW - FSD
1 stop5h 46mDelta
Sat 12/135:14 amFSD - MDW
1 stop4h 05mDelta
Deal found 11/3$254

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 November 5, 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 1/23

7:30 pm-9:30 pm

Nonstop2h 00m

Sioux Falls Joe Foss Field

Thu 1/29

6:15 pm-8:13 pm

Nonstop1h 58m

$189

ChicagoSioux Falls

ORD - FSD

ORDFSD

Chicago O'Hare Intl

Thu 12/11

8:04 pm-9:51 pm

Nonstop1h 47m

Sioux Falls Joe Foss Field

Sat 12/13

8:00 am-9:53 am

Nonstop1h 53m

$189

ChicagoSioux Falls

ORD - FSD

ORDFSD

Chicago O'Hare Intl

Wed 2/18

3:35 pm-5:21 pm

Nonstop1h 46m

Sioux Falls Joe Foss Field

Sat 2/21

6:35 pm-8:25 pm

Nonstop1h 50m

$189

ChicagoSioux Falls

ORD - FSD

ORDFSD

Chicago O'Hare Intl

Sat 12/27

8:13 am-10:11 am

Nonstop1h 58m

Sioux Falls Joe Foss Field

Thu 1/1

7:29 pm-9:30 pm

Nonstop2h 01m

$189

ChicagoSioux Falls

ORD - FSD

ORDFSD

Chicago O'Hare Intl

Tue 12/2

8:04 pm-9:50 pm

Nonstop1h 46m

Sioux Falls Joe Foss Field

Tue 12/9

8:00 am-9:53 am

Nonstop1h 53m

$189

ChicagoSioux Falls

ORD - FSD

ORDFSD

Chicago O'Hare Intl

Tue 11/25

8:29 am-10:27 am

Nonstop1h 58m

Sioux Falls Joe Foss Field

Thu 11/27

10:59 am-12:51 pm

Nonstop1h 52m

$189

ChicagoSioux Falls

ORD - FSD

ORDFSD

Chicago O'Hare Intl

Fri 12/19

8:15 am-10:16 am

Nonstop2h 01m

Sioux Falls Joe Foss Field

Thu 1/1

7:29 pm-9:30 pm

Nonstop2h 01m

$194

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

10:59 am-12:51 pm

Nonstop1h 52m

$204

ChicagoSioux Falls

ORD - FSD

ORDFSD

Chicago O'Hare Intl

Wed 12/3

6:00 am-10:20 am

1 stop4h 20m

Sioux Falls Joe Foss Field

Wed 12/10

5:14 am-8:40 am

1 stop3h 26m

$209

ChicagoSioux Falls

MDW - FSD

MDWFSD

Chicago Midway

Wed 12/24

5:59 pm-11:08 pm

1 stop5h 09m

Sioux Falls Joe Foss Field

Sat 1/3

7:00 am-11:06 am

1 stop4h 06m

$209

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/4

Showing 1-10 of 52 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 November 5, 2025.

Unlike in the morning, 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 November 5, 2025.

The most flights from USIL to FSD are scheduled on a Monday (19 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (12 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?

    American Airlines, United Airlines, and Delta can get you from Illinois to Sioux Falls in just under 1h 47m. Your travel time can differ by up to 3h 22m. 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 cheapest airlines to fly from Illinois to Sioux Falls one-way?

    One-way options have recently been found by users for as low as $66 on Frontier. Other airlines that offer cheap prices include Delta from $126 and United Airlines from $129 one-way.

  • 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 Republic Airways (100%), GoJet (69%) or American Airlines (69%) 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 $254 for a flight from Illinois to Sioux Falls. The cheapest flight overall is $99 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, 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?

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 November 5, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$189Average$250FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$194Average$329FlexibilityNo cancel feeOn-time69%

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