Sioux Falls

$103+ 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 5/10. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — FSD
Mar 13 — Mar 201
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Illinois to Sioux Falls with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 February 11, 2026.

This Delta deal was found by Cheapflights users on 2/8. 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 3/56:15 am
ORD
-
FSD
1 stop3h 53m
Delta
Sun 3/85:00 am
FSD
-
ORD
1 stop3h 40m
Delta
Deal found 2/8$167
This Delta deal was found by Cheapflights users on 2/11. 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 4/26:15 am
ORD
-
FSD
1 stop4h 06m
Delta
Sun 4/55:00 am
FSD
-
ORD
1 stop3h 40m
Delta
Deal found 2/11$177
This Delta deal was found by Cheapflights users on 2/11. 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 4/29:30 am
MDW
-
FSD
1 stop6h 12m
Delta
Sun 4/58:00 am
FSD
-
MDW
1 stop5h 25m
Delta
Deal found 2/11$177
This Delta deal was found by Cheapflights users on 2/11. 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 4/31:10 pm
MDW
-
FSD
2 stops6h 10m
Delta
Sun 4/58:00 am
FSD
-
MDW
1 stop5h 25m
Delta
Deal found 2/11$182
This United Airlines deal was found by Cheapflights users on 2/9. 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.
Thu 3/128:10 pm
ORD
-
FSD
Nonstop1h 52m
United Airlines
Sun 3/156:35 pm
FSD
-
ORD
Nonstop1h 50m
United Airlines
Deal found 2/9$189
This American Airlines deal was found by Cheapflights users on 2/8. 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 3/259:47 am
ORD
-
FSD
Nonstop1h 51m
American Airlines
Wed 4/17:42 pm
FSD
-
ORD
Nonstop1h 48m
American Airlines
Deal found 2/8$190
This Delta deal was found by Cheapflights users on 2/11. 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 3/129:30 am
MDW
-
FSD
1 stop3h 23m
Delta
Mon 3/161:34 pm
FSD
-
MDW
1 stop5h 06m
Delta
Deal found 2/11$198
This American Airlines deal was found by Cheapflights users on 2/10. 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 2/279:51 am
ORD
-
FSD
Nonstop1h 51m
American Airlines
Sun 3/87:42 pm
FSD
-
ORD
Nonstop1h 48m
American Airlines
Deal found 2/10$204
This American Airlines deal was found by Cheapflights users on 2/9. 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 9/2410:00 pm
ORD
-
FSD
Nonstop1h 51m
American Airlines
Sun 9/277:19 am
FSD
-
ORD
Nonstop1h 51m
American Airlines
Deal found 2/9$209
This Delta deal was found by Cheapflights users on 2/9. 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 3/126:15 am
ORD
-
FSD
1 stop4h 06m
Delta
Sun 3/151:34 pm
FSD
-
ORD
1 stop6h 15m
Delta
Deal found 2/9$213
This Delta deal was found by Cheapflights users on 2/11. 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 3/129:30 am
MDW
-
FSD
1 stop3h 23m
Delta
Tue 3/178:00 am
FSD
-
MDW
1 stop5h 25m
Delta
Deal found 2/11$213
This United Airlines deal was found by Cheapflights users on 2/10. 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.
Thu 2/268:45 am
ORD
-
FSD
Nonstop2h 01m
United Airlines
Sat 2/286:45 pm
FSD
-
ORD
Nonstop1h 50m
United Airlines
Deal found 2/10$219

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 February 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$167
(Delta)

One-way from

$103
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$204

Good round-trip deal

$249 or less

Good one-way deal

$213 or less
Provider with most accurate pricing for Chicago (CHI)-Sioux Falls Joe Foss Field flight deals.
Provider most trusted by Cheapflights users for Chicago (CHI)-Sioux Falls Joe Foss Field flights.
From Illinois to Sioux Falls Joe Foss Field
One-way flight from Illinois to Sioux Falls Joe Foss Field
Highest demand for flights based on searches. 5% potential increase in price ($16 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).
Average for round-trip flights in February 2026
Price to beat on a round-trip flight from Illinois to Sioux Falls Joe Foss Field.
Price to beat on a one-way flight from Illinois to Sioux Falls Joe Foss Field.

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 February 11, 2026.
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

MDW - FSD

MDWFSD

Chicago Midway

Fri 4/3

2:05 pm-7:20 pm

1 stop5h 15m

Sioux Falls Joe Foss Field

Sun 4/5

8:00 am-1:25 pm

1 stop5h 25m

$177

ChicagoSioux Falls

ORD - FSD

ORDFSD

Chicago O'Hare Intl

Thu 3/12

11:45 am-1:36 pm

Nonstop1h 51m

Sioux Falls Joe Foss Field

Sun 3/15

7:42 pm-9:30 pm

Nonstop1h 48m

$189

ChicagoSioux Falls

ORD - FSD

ORDFSD

Chicago O'Hare Intl

Wed 3/25

9:47 am-11:38 am

Nonstop1h 51m

Sioux Falls Joe Foss Field

Wed 4/1

7:42 pm-9:30 pm

Nonstop1h 48m

$190

ChicagoSioux Falls

ORD - FSD

ORDFSD

Chicago O'Hare Intl

Fri 2/27

9:51 am-11:42 am

Nonstop1h 51m

Sioux Falls Joe Foss Field

Sun 3/8

7:42 pm-9:30 pm

Nonstop1h 48m

$204

ChicagoSioux Falls

ORD - FSD

ORDFSD

Chicago O'Hare Intl

Thu 3/12

6:15 am-10:21 am

1 stop4h 06m

Sioux Falls Joe Foss Field

Sun 3/15

1:34 pm-7:49 pm

1 stop6h 15m

$213

ChicagoSioux Falls

ORD - FSD

ORDFSD

Chicago O'Hare Intl

Thu 3/12

6:15 am-10:21 am

1 stop4h 06m

Sioux Falls Joe Foss Field

Tue 3/17

11:01 am-3:19 pm

1 stop4h 18m

$213

ChicagoSioux Falls

ORD - FSD

ORDFSD

Chicago O'Hare Intl

Wed 3/25

7:00 pm-11:04 pm

1 stop4h 04m

Sioux Falls Joe Foss Field

Wed 4/1

8:00 am-11:35 am

1 stop3h 35m

$232

ChicagoSioux Falls

MDW - FSD

MDWFSD

Chicago Midway

Thu 4/9

9:30 am-12:53 pm

1 stop3h 23m

Sioux Falls Joe Foss Field

Sun 4/12

8:00 am-1:25 pm

1 stop5h 25m

$239

ChicagoSioux Falls

ORD - FSD

ORDFSD

Chicago O'Hare Intl

Sat 2/28

6:51 pm-10:55 pm

1 stop4h 04m

Sioux Falls Joe Foss Field

Sat 3/7

6:25 am-10:25 am

1 stop4h 00m

$243

ChicagoSioux Falls

MDW - FSD

MDWFSD

Chicago Midway

Sat 2/28

5:00 pm-10:55 pm

1 stop5h 55m

Sioux Falls Joe Foss Field

Sat 3/7

10:50 am-4:14 pm

1 stop5h 24m

$243

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/8

Showing 1-10 of 47 results
1
2
3
...
5

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, February 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 February 11, 2026.

Unlike in the morning, when flights are generally more expensive, you can save up to 45% 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 February 7, 2026.

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.

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?

    Delta, American Airlines, and United Airlines can get you from Illinois to Sioux Falls in just under 1h 51m. Your travel time can differ by up to 4h 38m. 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?

  • 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 Envoy Air (72%), Republic Airways (62%) or GoJet (61%) 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 $333 for a flight from Illinois to Sioux Falls. The cheapest flight overall is $138 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, February 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Illinois to Sioux Falls

See prices for flight routes from nearby airports that may be better suited for you.

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 February 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$189Average$249FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$194Average$332FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.