HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Sioux Falls

$121+ 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 7/12. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — FSD
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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

Keep the following information in mind while searching for Illinois to Sioux Falls flight deals. Data was last updated June 12, 2025.

Round-trip from

$189
(American Airlines)

One-way from

$121
(Mytrip)

Popular in

January

Cheapest in

March

Average price

$337

Good round-trip deal

$189 or less

Good one-way deal

$213 or less
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. 13% potential increase in price ($46 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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

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 June 12, 2025.

This American Airlines deal was found by Cheapflights users on 6/10. 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.
Thu 8/2110:20 pmORD - FSD
Nonstop2h 08mAmerican Airlines
Sun 8/246:03 pmFSD - ORD
Nonstop1h 46mAmerican Airlines
Deal found 6/10$189
This Delta deal was found by Cheapflights users on 6/11. 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.
Sat 7/265:35 pmORD - FSD
1 stop6h 09mDelta
Sat 8/3012:56 pmFSD - ORD
1 stop4h 08mDelta
Deal found 6/11$209
This Delta deal was found by Cheapflights users on 6/11. 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.
Sat 7/267:21 pmMDW - FSD
1 stop4h 23mDelta
Sat 8/211:12 amFSD - MDW
1 stop5h 58mDelta
Deal found 6/11$209
This United Airlines deal was found by Cheapflights users on 6/10. 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 8/288:20 pmORD - FSD
Nonstop1h 52mUnited Airlines
Sun 8/316:11 pmFSD - ORD
Nonstop1h 59mUnited Airlines
Deal found 6/10$213
This Delta deal was found by Cheapflights users on 6/11. 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.
Wed 8/136:00 amSTL - FSD
1 stop6h 15mDelta
Tue 8/1912:56 pmFSD - STL
1 stop3h 49mDelta
Deal found 6/11$229
This Frontier deal was found by Cheapflights users on 6/12. 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.
Mon 8/256:00 amORD - FSD
1 stop7h 23mFrontier
Wed 8/273:07 pmFSD - ORD
1 stop6h 35mFrontier
Deal found 6/12$256
This Mytrip deal was found by Cheapflights users on 6/12. 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.
Tue 7/153:18 pmORD - FSD
1 stop21h 34mMultiple Airlines
Fri 7/188:06 pmFSD - ORD
2 stops27h 21mMultiple Airlines
Deal found 6/12$275
This United Airlines deal was found by Cheapflights users on 6/10. 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 6/121:42 pmSTL - FSD
1 stop7h 26mUnited Airlines
Sat 6/149:25 amFSD - STL
1 stop7h 06mUnited Airlines
Deal found 6/10$289
This American Airlines deal was found by Cheapflights users on 6/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/297:59 pmSTL - FSD
1 stop4h 29mAmerican Airlines
Sun 8/315:15 pmFSD - STL
1 stop5h 48mAmerican Airlines
Deal found 6/11$294
This FlightHub deal was found by Cheapflights users on 6/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/412:35 pmMDW - FSD
1 stop5h 57mFrontier
Wed 7/97:48 pmFSD - MDW
1 stop25h 06mFrontier
Deal found 6/11$314
This Mytrip deal was found by Cheapflights users on 6/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/119:50 amSTL - FSD
2 stops9h 26mMultiple Airlines
Mon 7/148:06 pmFSD - STL
2 stops22h 35mMultiple Airlines
Deal found 6/9$354
This FlightHub deal was found by Cheapflights users on 6/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/108:44 pmSTL - FSD
2 stops21h 53mFrontier
Thu 7/172:57 pmFSD - STL
1 stop18h 14mFrontier
Deal found 6/11$412

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 June 12, 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

Thu 8/21

10:20 pm-12:28 am

Nonstop2h 08m

Sioux Falls Joe Foss Field

Sun 8/24

6:03 pm-7:49 pm

Nonstop1h 46m

$189

ChicagoSioux Falls

ORD - FSD

ORDFSD

Chicago O'Hare Intl

Sat 7/26

5:35 pm-11:44 pm

1 stop6h 09m

Sioux Falls Joe Foss Field

Sat 8/30

12:56 pm-5:04 pm

1 stop4h 08m

$209

ChicagoSioux Falls

MDW - FSD

MDWFSD

Chicago Midway

Sat 7/26

7:21 pm-11:44 pm

1 stop4h 23m

Sioux Falls Joe Foss Field

Sat 8/2

11:12 am-5:10 pm

1 stop5h 58m

$209

ChicagoSioux Falls

ORD - FSD

ORDFSD

Chicago O'Hare Intl

Thu 8/28

8:20 pm-10:12 pm

Nonstop1h 52m

Sioux Falls Joe Foss Field

Sun 8/31

6:11 pm-8:10 pm

Nonstop1h 59m

$213

St. LouisSioux Falls

STL - FSD

STLFSD

Lambert-St Louis

Wed 8/13

8:46 am-12:15 pm

1 stop3h 29m

Sioux Falls Joe Foss Field

Tue 8/19

5:00 am-10:37 am

1 stop5h 37m

$229

ChicagoSioux Falls

ORD - FSD

ORDFSD

Chicago O'Hare Intl

Mon 8/25

6:00 am-1:23 pm

1 stop7h 23m

Sioux Falls Joe Foss Field

Wed 8/27

3:07 pm-9:42 pm

1 stop6h 35m

$256

ChicagoSioux Falls

ORD - FSD

ORDFSD

Chicago O'Hare Intl

Tue 7/15

3:18 pm-12:52 pm

1 stop21h 34m

Sioux Falls Joe Foss Field

Fri 7/18

8:06 pm-11:27 pm

2 stops27h 21m

$275

St. LouisSioux Falls

STL - FSD

STLFSD

Lambert-St Louis

Fri 8/29

7:59 pm-12:28 am

1 stop4h 29m

Sioux Falls Joe Foss Field

Sun 8/31

5:15 pm-11:03 pm

1 stop5h 48m

$294

ChicagoSioux Falls

MDW - FSD

MDWFSD

Chicago Midway

Fri 7/4

12:35 pm-6:32 pm

1 stop5h 57m

Sioux Falls Joe Foss Field

Wed 7/9

7:48 pm-8:54 pm

1 stop25h 06m

$314

St. LouisSioux Falls

STL - FSD

STLFSD

Lambert-St Louis

Fri 7/11

9:50 am-7:16 pm

2 stops9h 26m

Sioux Falls Joe Foss Field

Mon 7/14

8:06 pm-6:41 pm

2 stops22h 35m

$354

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 26 results
1
2
3

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 June 12, 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 June 12, 2025.

The most flights from USIL to FSD are scheduled on a Tuesday (15 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (5 on average).

Rainfall in Sioux Falls by month

Plan your trip to Sioux Falls by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Sioux Falls 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 Sioux Falls when rainfall is around 0.6 in.

Temperature in Sioux Falls by month

Plan your trip to Sioux Falls by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Sioux Falls, 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 Sioux Falls

Get insights into the airlines that provide service to Sioux Falls. 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 Sioux Falls. Reviews last updated June 12, 2025.
Read reviews from past customers who have flown Delta, United Airlines and American Airlines from Illinois to Sioux Falls. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,946 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,946 reviews
Delta
8.0
Very good
7,946 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,946 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,946 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Frontier
6.0
Okay
3,295 reviews
Delta
8.0
Very good
7,946 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • 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 $156 on Frontier. Other airlines that offer cheap prices include Delta from $210 and American Airlines from $214 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 SkyWest Airlines (87%), GoJet (84%) or Air New Zealand (81%) 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 $287 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, 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

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.
Denver to Sioux Falls flights
O'Hare Intl to Rapid City flights
John F Kennedy Intl to Rapid City flights
Newark to Rapid City flights
LaGuardia to Rapid City flights
Seattle to Sioux Falls flights
Seattle to Rapid City flights
Dallas/Fort Worth to Sioux Falls flights
O'Hare Intl to Sioux Falls flights
Minneapolis to Rapid City flights
Boston to Rapid City flights
Portland to Sioux Falls flights
Dulles Intl to Rapid City flights
Reagan-National to Rapid City flights
Dallas/Fort Worth to Rapid City flights
Cincinnati to Rapid City flights
Baltimore to Rapid City flights
Atlanta to Rapid City flights
Tampa to Rapid City flights
San Diego to Sioux Falls flights
Dulles Intl to Sioux Falls flights
Orlando to Rapid City flights
Newark to Sioux Falls flights
Sky Harbor Intl to Rapid City flights
Charlotte to Rapid City flights
Ontario to Rapid City flights
Raleigh to Rapid City flights
Denver to Rapid City flights
Los Angeles to Rapid City flights
Hobby to Sioux Falls flights
Sky Harbor Intl to Sioux Falls flights
Pensacola to Sioux Falls flights
Indianapolis to Sioux Falls flights
Midway to Rapid City flights
San Francisco to Rapid City flights
Atlanta to Sioux Falls flights
Cleveland to Sioux Falls flights
Reagan-National to Sioux Falls flights
LaGuardia to Sioux Falls flights
Pittsburgh to Rapid City flights
John F Kennedy Intl to Sioux Falls flights
Hartford to Rapid City flights
St. Louis to Rapid City flights
Orlando to Sioux Falls flights
Portland to Rapid City flights
George Bush Intcntl to Sioux Falls flights
Ontario to Sioux Falls flights
Boston to Sioux Falls flights
Philadelphia to Rapid City flights
Anchorage to Rapid City flights

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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$179Average$270FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$207Average$299FlexibilityNo 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.