How does KAYAK find such low prices on flights from Illinois to Sioux Falls?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Sioux Falls. Visit our flight page for the latest deals!>/a>

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Sioux Falls?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Sioux Falls from Illinois is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from Illinois to Sioux Falls?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Sioux Falls with an airline and back to Illinois with another airline. Visit our flight page for the latest deals!>/a>

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Sioux Falls?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Sioux Falls from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

$89 CHEAP FLIGHTS from Illinois to Sioux Falls

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Cheap Flights from Illinois to Sioux Falls

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Illinois to Sioux Falls that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from Illinois to Sioux Falls

週四, 8月 21 - 週三, 8月 27

7:54 pm - 1:23 pmSTL-FSD

17h 29m1 stop

3:07 pm - 9:11 amFSD-STL

18h 04m1 stop

$187Frontier

Find Deal

週三, 8月 13 - 週四, 8月 14

7:00 am - 6:54 pmORD-FSD

11h 54m1 stop

2:57 pm - 12:32 amFSD-ORD

9h 35m1 stop

$188Frontier

Find Deal

週四, 8月 21 - 週日, 8月 24

10:20 pm - 12:28 amORD-FSD

2h 08mnonstop

6:03 pm - 7:49 pmFSD-ORD

1h 46mnonstop

$189American Airlines

Find Deal

週五, 9月 19 - 週二, 9月 23

8:20 pm - 10:12 pmORD-FSD

1h 52mnonstop

6:11 pm - 8:10 pmFSD-ORD

1h 59mnonstop

$192United Airlines

Find Deal

週四, 8月 21 - 週日, 8月 24

10:20 pm - 12:28 amORD-FSD

2h 08mnonstop

6:03 pm - 7:49 pmFSD-ORD

1h 46mnonstop

$194American Airlines

Find Deal

週六, 8月 30 - 週日, 8月 31

5:30 pm - 10:12 pmSTL-FSD

4h 42m1 stop

9:15 am - 4:33 pmFSD-STL

7h 18m1 stop

$194United Airlines

Find Deal

週四, 9月 11 - 週一, 9月 15

6:44 pm - 6:58 pmORD-FSD

24h 14m2 stops

5:02 pm - 5:39 pmFSD-ORD

24h 37m2 stops

$206

Find Deal

週六, 9月 20 - 週日, 9月 21

8:52 am - 3:26 pmORD-FSD

6h 34m1 stop

5:00 am - 8:25 amFSD-ORD

3h 25m1 stop

$209Delta

Find Deal

週六, 9月 20 - 週日, 9月 21

9:20 am - 3:26 pmMDW-FSD

6h 06m1 stop

5:00 am - 8:49 amFSD-MDW

3h 49m1 stop

$209Delta

Find Deal

週四, 9月 11 - 週一, 9月 15

6:44 pm - 6:58 pmORD-FSD

24h 14m2 stops

5:02 pm - 4:51 pmFSD-ORD

23h 49m3 stops

$254

Find Deal

Useful Info

Low season	January
High season	July
Cheapest flight	$89

Best time to beat the crowds with an average 13% drop in price.

Most popular time to fly with an average 7% increase in price.

Flight from Chicago O'Hare Airport to Sioux Falls

How does KAYAK find such low prices on flights from Illinois to Sioux Falls?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Sioux Falls.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Sioux Falls?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Sioux Falls from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Illinois to Sioux Falls?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Sioux Falls with an airline and back to Illinois with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Sioux Falls?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Sioux Falls from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight to Sioux Falls

Airports

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Return flight deals

Information on the airport you'll fly into in Sioux Falls

Sioux Falls (FSD)

Not what you’re looking for? Find thousands of other hotels, flights, car rentals and package deals with KAYAK.

FSD

$89 Find Cheap Flights from Illinois to Sioux Falls

KAYAK searches hundreds of travel sites at once for deals on flights to Sioux Falls

Cheap Flights from Illinois to Sioux Falls

Recent round-trip flight deals from Illinois to Sioux Falls

Recent one-way flight deals from Illinois to Sioux Falls

Recent last minute flight deals from Illinois to Sioux Falls

Recent direct flight deals from Illinois to Sioux Falls

Good to know

FAQs for booking flights from Illinois to Sioux Falls

How does KAYAK find such low prices on flights from Illinois to Sioux Falls?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Sioux Falls.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Sioux Falls?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Sioux Falls from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Illinois to Sioux Falls?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Sioux Falls with an airline and back to Illinois with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Sioux Falls?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Sioux Falls from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight to Sioux Falls

Information on the airport you'll fly into in Sioux Falls

Cabin class types available on flights to Illinois

Complete your trip to Sioux Falls with a hotel stay or car rental

Find direct flights for Sioux Falls

Flights to other popular destinations

Flights from domestic origins to Sioux Falls

Choose which airport to fly into in Sioux Falls

Find deals for your return flight