Sioux Falls

$84+ 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 2/21. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — FSD
Jan 26 — Feb 21
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

Discover tips and strategies to find the most affordable flight options for your journey from Illinois (USIL) to Sioux Falls (FSD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 21, 2025.

Round-trip from

$189
(United Airlines)

One-way from

$84
(Frontier)
From Illinois to Sioux Falls Joe Foss Field
One-way flight from Illinois to Sioux Falls Joe Foss Field

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 January 21, 2025.

This United Airlines deal was found by Cheapflights users on 1/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/148:20 pmORD - FSD
Nonstop1h 55mUnited Airlines
Sun 2/166:38 pmFSD - ORD
Nonstop1h 47mUnited Airlines
Deal found 1/20$189
This American Airlines deal was found by Cheapflights users on 1/20. 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 2/131:49 pmORD - FSD
Nonstop1h 40mAmerican Airlines
Sun 2/164:01 pmFSD - ORD
Nonstop1h 34mAmerican Airlines
Deal found 1/20$190
This Delta deal was found by Cheapflights users on 1/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/46:00 amSTL - FSD
1 stop4h 19mDelta
Sat 2/811:05 amFSD - STL
1 stop3h 45mDelta
Deal found 1/20$199
This Delta deal was found by Cheapflights users on 1/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/86:15 amORD - FSD
1 stop4h 09mDelta
Sun 3/165:19 amFSD - ORD
1 stop3h 30mDelta
Deal found 1/19$209
This Delta deal was found by Cheapflights users on 1/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/141:26 pmMDW - FSD
1 stop4h 50mDelta
Sun 2/1611:00 amFSD - MDW
1 stop6h 43mDelta
Deal found 1/20$209
This American Airlines deal was found by Cheapflights users on 1/20. 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.
Wed 2/55:40 amSTL - FSD
1 stop6h 05mAmerican Airlines
Sun 2/94:46 pmFSD - STL
1 stop5h 23mAmerican Airlines
Deal found 1/20$219
This United Airlines deal was found by Cheapflights users on 1/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/41:45 pmSTL - FSD
1 stop6h 38mUnited Airlines
Sat 2/87:45 amFSD - STL
1 stop6h 29mUnited Airlines
Deal found 1/20$259
This United Airlines deal was found by Cheapflights users on 1/21. 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 2/53:59 pmMLI - FSD
1 stop5h 34mUnited Airlines
Sun 2/93:13 pmFSD - MLI
1 stop19h 05mUnited Airlines
Deal found 1/21$378
This Mytrip deal was found by Cheapflights users on 1/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/73:56 pmORD - FSD
2 stops21h 14mMultiple Airlines
Sun 2/99:46 pmFSD - ORD
3 stops25h 27mMultiple Airlines
Deal found 1/20$485
This American Airlines deal was found by Cheapflights users on 1/20. 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.
Sun 1/266:31 amMLI - FSD
1 stop6h 24mAmerican Airlines
Wed 1/296:20 amFSD - MLI
1 stop8h 36mAmerican Airlines
Deal found 1/20$789

Find flights from Illinois to Sioux Falls within your budget

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 January 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

ChicagoSioux Falls

ORD - FSD

ORDFSD

Chicago O'Hare Intl

Fri 2/14

8:20 pm-10:15 pm

Nonstop1h 55m

Sioux Falls Joe Foss Field

Sun 2/16

6:38 pm-8:25 pm

Nonstop1h 47m

$189

ChicagoSioux Falls

ORD - FSD

ORDFSD

Chicago O'Hare Intl

Thu 2/13

1:49 pm-3:29 pm

Nonstop1h 40m

Sioux Falls Joe Foss Field

Sun 2/16

4:01 pm-5:35 pm

Nonstop1h 34m

$190

St. LouisSioux Falls

STL - FSD

STLFSD

Lambert-St Louis

Tue 2/4

6:00 am-10:19 am

1 stop4h 19m

Sioux Falls Joe Foss Field

Sat 2/8

11:05 am-2:50 pm

1 stop3h 45m

$199

ChicagoSioux Falls

ORD - FSD

ORDFSD

Chicago O'Hare Intl

Thu 2/13

12:15 pm-6:16 pm

1 stop6h 01m

Sioux Falls Joe Foss Field

Sun 2/16

4:27 pm-9:58 pm

1 stop5h 31m

$209

ChicagoSioux Falls

MDW - FSD

MDWFSD

Chicago Midway

Fri 2/14

1:26 pm-6:16 pm

1 stop4h 50m

Sioux Falls Joe Foss Field

Sun 2/16

11:00 am-5:43 pm

1 stop6h 43m

$209

St. LouisSioux Falls

STL - FSD

STLFSD

Lambert-St Louis

Wed 2/5

5:40 am-11:45 am

1 stop6h 05m

Sioux Falls Joe Foss Field

Sun 2/9

4:46 pm-10:09 pm

1 stop5h 23m

$219

St. LouisSioux Falls

STL - FSD

STLFSD

Lambert-St Louis

Tue 2/4

1:45 pm-8:23 pm

1 stop6h 38m

Sioux Falls Joe Foss Field

Sat 2/8

7:45 am-2:14 pm

1 stop6h 29m

$259

MolineSioux Falls

MLI - FSD

MLIFSD

Moline Quad-City

Wed 2/5

3:59 pm-9:33 pm

1 stop5h 34m

Sioux Falls Joe Foss Field

Sun 2/9

3:13 pm-10:18 am

1 stop19h 05m

$378

ChicagoSioux Falls

ORD - FSD

ORDFSD

Chicago O'Hare Intl

Fri 2/7

3:56 pm-1:10 pm

2 stops21h 14m

Sioux Falls Joe Foss Field

Sun 2/9

9:46 pm-11:13 pm

3 stops25h 27m

$485

ChicagoSioux Falls

ORD - FSD

ORDFSD

Chicago O'Hare Intl

Fri 2/21

6:50 am-1:31 pm

1 stop6h 41m

$84

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

Showing 1-10 of 15 results
1
2

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.

Travel insights for flights from Illinois to Sioux Falls

Get recent, data-driven insights about flights from Illinois to Sioux Falls including ideal travel times, pricing trends, and more.

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 January 21, 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 January 21, 2025.

The most flights from USIL to FSD are scheduled on a Monday (13 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (7 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 January 21, 2025.
Read reviews from past customers who have flown United Airlines, American Airlines and Delta 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.
8.0
Very good
8,521 reviews

Food

7.3

Entertainment

7.9

Comfort

8.0

Crew

8.6

Overall

8.0

Boarding

8.2

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

8.0
Very good
8,521 reviews
8.0
Very good
8,521 reviews

Food

7.3

Entertainment

7.9

Comfort

8.0

Crew

8.6

Overall

8.0

Boarding

8.2

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

7.4
Good
8,982 reviews
8.0
Very good
8,521 reviews

Food

7.3

Entertainment

7.9

Comfort

8.0

Crew

8.6

Overall

8.0

Boarding

8.2

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

7.2
Good
10,000 reviews
8.0
Very good
8,521 reviews

Food

7.3

Entertainment

7.9

Comfort

8.0

Crew

8.6

Overall

8.0

Boarding

8.2

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

6.1
Okay
3,440 reviews
8.0
Very good
8,521 reviews

Food

7.3

Entertainment

7.9

Comfort

8.0

Crew

8.6

Overall

8.0

Boarding

8.2

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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 $84 on Frontier. Other airlines that offer cheap prices include American Airlines from $214 and Delta from $224 one-way.

  • 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 Copa Airlines (100%), Republic Airways (86%) or GoJet (84%) 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 $189 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 Illinois?

Book flights to Illinois if you plan to visit one of these locations
Yankton

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 January 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$179Average$289FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$199Average$318FlexibilityNo 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.