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.

$153 CHEAP FLIGHTS from Illinois to Sioux Falls

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Flight Deals

Cheap Flights from Illinois to Sioux Falls

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

Wed, Nov 25 - Sat, Nov 28

12:50 pm - 2:47 pmORD Chicago O'Hare Intl-FSD Sioux Falls Joe Foss Field

1h 57mnonstop

7:36 pm - 9:48 pmFSD Sioux Falls Joe Foss Field-ORD Chicago O'Hare Intl

2h 12mnonstop

$310American Airlines

Tue, Nov 24 - Sat, Nov 28

10:33 pm - 12:44 amORD Chicago O'Hare Intl-FSD Sioux Falls Joe Foss Field

2h 11mnonstop

7:36 pm - 9:48 pmFSD Sioux Falls Joe Foss Field-ORD Chicago O'Hare Intl

2h 12mnonstop

$310American Airlines

Thu, Nov 19 - Mon, Nov 23

9:30 pm - 11:29 pmORD Chicago O'Hare Intl-FSD Sioux Falls Joe Foss Field

1h 59mnonstop

6:00 am - 7:55 amFSD Sioux Falls Joe Foss Field-ORD Chicago O'Hare Intl

1h 55mnonstop

$319United Airlines

Thu, Nov 26 - Thu, Dec 3

12:45 pm - 2:32 pmORD Chicago O'Hare Intl-FSD Sioux Falls Joe Foss Field

1h 47mnonstop

7:40 am - 9:38 amFSD Sioux Falls Joe Foss Field-ORD Chicago O'Hare Intl

1h 58mnonstop

$319United Airlines

Wed, Nov 25 - Sat, Nov 28

12:50 pm - 2:47 pmORD Chicago O'Hare Intl-FSD Sioux Falls Joe Foss Field

1h 57mnonstop

7:36 pm - 9:48 pmFSD Sioux Falls Joe Foss Field-ORD Chicago O'Hare Intl

2h 12mnonstop

$319American Airlines

Fri, Nov 27 - Fri, Dec 4

9:40 am - 11:41 amORD Chicago O'Hare Intl-FSD Sioux Falls Joe Foss Field

2h 01mnonstop

7:34 pm - 9:50 pmFSD Sioux Falls Joe Foss Field-ORD Chicago O'Hare Intl

2h 16mnonstop

$319American Airlines

Wed, Dec 16 - Thu, Dec 24

9:40 pm - 11:30 pmORD Chicago O'Hare Intl-FSD Sioux Falls Joe Foss Field

1h 50mnonstop

3:11 pm - 5:05 pmFSD Sioux Falls Joe Foss Field-ORD Chicago O'Hare Intl

1h 54mnonstop

$319United Airlines

Fri, Nov 20 - Sun, Nov 22

12:30 pm - 7:06 pmMDW Chicago Midway-FSD Sioux Falls Joe Foss Field

6h 36m1 stop Minneapolis St Paul

8:31 am - 11:50 amFSD Sioux Falls Joe Foss Field-MDW Chicago Midway

3h 19m1 stop Minneapolis St Paul

$339Delta

Wed, Dec 16 - Thu, Dec 24

12:39 pm - 7:14 pmMDW Chicago Midway-FSD Sioux Falls Joe Foss Field

6h 35m1 stop Minneapolis St Paul

6:35 am - 11:01 amFSD Sioux Falls Joe Foss Field-MDW Chicago Midway

4h 26m1 stop Minneapolis St Paul

$339Delta

Fri, Feb 12 - Sun, Feb 14

5:35 pm - 9:13 pmMDW Chicago Midway-FSD Sioux Falls Joe Foss Field

3h 38m1 stop Minneapolis St Paul

10:58 am - 4:50 pmFSD Sioux Falls Joe Foss Field-MDW Chicago Midway

5h 52m1 stop Minneapolis St Paul

$339Delta

Recent last minute flight deals from Illinois to Sioux Falls

Thu, Nov 5 - Sun, Nov 8

4:47 pm - 6:48 pmORD Chicago O'Hare Intl-FSD Sioux Falls Joe Foss Field

2h 01mnonstop

7:00 am - 9:10 amFSD Sioux Falls Joe Foss Field-ORD Chicago O'Hare Intl

2h 10mnonstop

$409American Airlines

Thu, Nov 5 - Sun, Nov 8

4:47 pm - 6:48 pmORD Chicago O'Hare Intl-FSD Sioux Falls Joe Foss Field

2h 01mnonstop

5:58 pm - 11:59 pmFSD Sioux Falls Joe Foss Field-ORD Chicago O'Hare Intl

6h 01m1 stop Dallas/Fort Worth

$419American Airlines

Thu, Nov 5 - Sun, Nov 8

3:00 pm - 8:54 pmORD Chicago O'Hare Intl-FSD Sioux Falls Joe Foss Field

5h 54m1 stop Dallas/Fort Worth

6:00 am - 1:10 pmFSD Sioux Falls Joe Foss Field-ORD Chicago O'Hare Intl

7h 10m1 stop Dallas/Fort Worth

$429American Airlines

Thu, Nov 5 - Sun, Nov 8

12:02 pm - 8:54 pmORD Chicago O'Hare Intl-FSD Sioux Falls Joe Foss Field

8h 52m1 stop Dallas/Fort Worth

6:00 am - 1:10 pmFSD Sioux Falls Joe Foss Field-ORD Chicago O'Hare Intl

7h 10m1 stop Dallas/Fort Worth

$429American Airlines

Sun, Nov 1 - Sun, Nov 8

9:30 pm - 11:29 pmORD Chicago O'Hare Intl-FSD Sioux Falls Joe Foss Field

1h 59mnonstop

6:00 am - 7:55 amFSD Sioux Falls Joe Foss Field-ORD Chicago O'Hare Intl

1h 55mnonstop

$464United Airlines

Thu, Nov 5 - Sun, Nov 8

7:45 pm - 9:37 pmORD Chicago O'Hare Intl-FSD Sioux Falls Joe Foss Field

1h 52mnonstop

6:00 am - 7:55 amFSD Sioux Falls Joe Foss Field-ORD Chicago O'Hare Intl

1h 55mnonstop

$499United Airlines

Thu, Nov 5 - Sun, Nov 8

2:30 pm - 8:04 pmORD Chicago O'Hare Intl-FSD Sioux Falls Joe Foss Field

5h 34m1 stop Denver Intl

6:40 pm - 8:35 pmFSD Sioux Falls Joe Foss Field-ORD Chicago O'Hare Intl

1h 55mnonstop

$508United Airlines

Sat, Oct 31 - Sun, Nov 1

5:30 pm - 11:03 pmORD Chicago O'Hare Intl-FSD Sioux Falls Joe Foss Field

5h 33m1 stop Minneapolis St Paul

5:00 pm - 9:27 pmFSD Sioux Falls Joe Foss Field-ORD Chicago O'Hare Intl

4h 27m1 stop Minneapolis St Paul

$539Delta

Thu, Nov 5 - Sun, Nov 8

10:29 am - 8:38 amORD Chicago O'Hare Intl-FSD Sioux Falls Joe Foss Field

22h 09m2 stops Dallas/Fort Worth Nashville Intl

7:14 pm - 8:46 amFSD Sioux Falls Joe Foss Field-ORD Chicago O'Hare Intl

13h 32m1 stop Orlando Sanford Intl

$542Multiple Airlines

Sat, Oct 31 - Sat, Nov 7

1:55 pm - 11:03 pmORD Chicago O'Hare Intl-FSD Sioux Falls Joe Foss Field

9h 08m2 stops Detroit Metropolitan Wayne County Minneapolis St Paul

11:00 am - 2:36 pmFSD Sioux Falls Joe Foss Field-ORD Chicago O'Hare Intl

3h 36m1 stop Minneapolis St Paul

$569Delta

Recent direct flight deals from Illinois to Sioux Falls

Wed, Nov 25 - Sat, Nov 28

12:50 pm - 2:47 pmORD Chicago O'Hare Intl-FSD Sioux Falls Joe Foss Field

1h 57mnonstop

7:36 pm - 9:48 pmFSD Sioux Falls Joe Foss Field-ORD Chicago O'Hare Intl

2h 12mnonstop

$310American Airlines

Tue, Nov 24 - Sat, Nov 28

10:33 pm - 12:44 amORD Chicago O'Hare Intl-FSD Sioux Falls Joe Foss Field

2h 11mnonstop

7:36 pm - 9:48 pmFSD Sioux Falls Joe Foss Field-ORD Chicago O'Hare Intl

2h 12mnonstop

$310American Airlines

Thu, Nov 19 - Mon, Nov 23

9:30 pm - 11:29 pmORD Chicago O'Hare Intl-FSD Sioux Falls Joe Foss Field

1h 59mnonstop

6:00 am - 7:55 amFSD Sioux Falls Joe Foss Field-ORD Chicago O'Hare Intl

1h 55mnonstop

$319United Airlines

Thu, Nov 26 - Thu, Dec 3

12:45 pm - 2:32 pmORD Chicago O'Hare Intl-FSD Sioux Falls Joe Foss Field

1h 47mnonstop

7:40 am - 9:38 amFSD Sioux Falls Joe Foss Field-ORD Chicago O'Hare Intl

1h 58mnonstop

$319United Airlines

Tue, Nov 24 - Sat, Nov 28

10:33 pm - 12:44 amORD Chicago O'Hare Intl-FSD Sioux Falls Joe Foss Field

2h 11mnonstop

7:36 pm - 9:48 pmFSD Sioux Falls Joe Foss Field-ORD Chicago O'Hare Intl

2h 12mnonstop

$319American Airlines

Wed, Nov 25 - Sat, Nov 28

12:50 pm - 2:47 pmORD Chicago O'Hare Intl-FSD Sioux Falls Joe Foss Field

1h 57mnonstop

7:36 pm - 9:48 pmFSD Sioux Falls Joe Foss Field-ORD Chicago O'Hare Intl

2h 12mnonstop

$319American Airlines

Fri, Nov 27 - Fri, Dec 4

9:40 am - 11:41 amORD Chicago O'Hare Intl-FSD Sioux Falls Joe Foss Field

2h 01mnonstop

7:34 pm - 9:50 pmFSD Sioux Falls Joe Foss Field-ORD Chicago O'Hare Intl

2h 16mnonstop

$319American Airlines

Fri, Nov 20 - Sun, Nov 22

10:33 pm - 12:44 amORD Chicago O'Hare Intl-FSD Sioux Falls Joe Foss Field

2h 11mnonstop

7:36 pm - 9:48 pmFSD Sioux Falls Joe Foss Field-ORD Chicago O'Hare Intl

2h 12mnonstop

$319American Airlines

Wed, Dec 16 - Thu, Dec 24

9:40 pm - 11:30 pmORD Chicago O'Hare Intl-FSD Sioux Falls Joe Foss Field

1h 50mnonstop

3:11 pm - 5:05 pmFSD Sioux Falls Joe Foss Field-ORD Chicago O'Hare Intl

1h 54mnonstop

$319United Airlines

Wed, Nov 18 - Tue, Nov 24

9:30 pm - 11:29 pmORD Chicago O'Hare Intl-FSD Sioux Falls Joe Foss Field

1h 59mnonstop

7:48 am - 9:45 amFSD Sioux Falls Joe Foss Field-ORD Chicago O'Hare Intl

1h 57mnonstop

$319United Airlines

Useful Info

Low season	January
High season	July
Cheapest flight	$153

Best time to beat the crowds but there is an average 1% increase in price.

Most popular time to fly with an average 6% 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.