What airlines fly to Illinois?

United Airlines, American Airlines and Denver Air Connection are the top three most popular airlines that fly to Illinois from Sioux Falls according to our data. United Airlines is the first choice among our users, with 64% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 4 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.

How many flights depart from Sioux Falls to Illinois on average per week?

As of September 2025, 81 flights take off from Sioux Falls and land in Illinois each week. The most common flight departure day for this route is Mon, with 21% of weekly flights taking off on this day.

How many flights depart from Sioux Falls to Illinois on average per day?

The number of flights available between Sioux Falls and Illinois is 11 per day as of September 2025. The most frequent departure time is 12:00PM, with 40% of daily flights leaving at noon.

What is the cheapest airline that flies from Sioux Falls Joe Foss Field to Illinois?

Frontier, Delta, and United Airlines are the most popular carriers operating from Sioux Falls Joe Foss Field to Illinois

When did momondo last update prices for flights from Sioux Falls Joe Foss Field Airport to Illinois?

Prices for flights from Sioux Falls Joe Foss Field Airport to Illinois are updated daily.

How many operators does momondo search for flights from Sioux Falls Joe Foss Field Airport to Illinois?

As of September 2025, there are 3 operators available to choose from for flights from Sioux Falls Joe Foss Field Airport to Illinois.

How old do you have to be to fly from Sioux Falls Joe Foss Field Airport to Illinois?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Sioux Falls Joe Foss Field Airport to Illinois.

What documentation or ID do you need to fly to Illinois?

The required travel and health documents for your Illinois trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Illinois. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$93 Cheap Flights from Sioux Falls to Illinois in 2025/26

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Find the cheapest flights from Sioux Falls to Illinois

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

2:32 pm - 12:16 amFSD-ORD

9h 44m1 stop

5:00 am - 12:38 pmORD-FSD

7h 38m1 stop

$148Frontier

Find Deal

Fri, Oct 31 - Sun, Nov 2

7:28 pm - 12:59 amFSD-ORD

5h 31m1 stop

6:00 am - 1:38 pmORD-FSD

7h 38m1 stop

$167Frontier

Find Deal

Mon, Oct 27 - Thu, Oct 30

6:27 pm - 8:21 pmFSD-ORD

1h 54mnonstop

8:45 pm - 10:42 pmORD-FSD

1h 57mnonstop

$188American Airlines

Find Deal

Thu, Oct 23 - Mon, Oct 27

6:27 pm - 8:21 pmFSD-ORD

1h 54mnonstop

8:45 pm - 10:42 pmORD-FSD

1h 57mnonstop

$189American Airlines

Find Deal

Thu, Oct 16 - Mon, Oct 20

6:10 pm - 8:09 pmFSD-ORD

1h 59mnonstop

8:30 pm - 10:22 pmORD-FSD

1h 52mnonstop

$208United Airlines

Find Deal

Thu, Oct 16 - Tue, Oct 21

5:20 am - 8:55 amFSD-MDW

3h 35m1 stop

3:00 pm - 7:19 pmMDW-FSD

4h 19m1 stop

$209Delta

Find Deal

Thu, Oct 23 - Sat, Oct 25

8:00 am - 9:51 amFSD-ORD

1h 51mnonstop

8:30 pm - 10:22 pmORD-FSD

1h 52mnonstop

$212United Airlines

Find Deal

Thu, Oct 23 - Sat, Oct 25

5:20 am - 8:55 amFSD-MDW

3h 35m1 stop

9:35 am - 3:44 pmMDW-FSD

6h 09m2 stops

$214Delta

Find Deal

Tue, Oct 21 - Tue, Oct 28

6:11 pm - 12:45 pmFSD-ORD

42h 34m2 stops

7:06 pm - 8:01 pmORD-FSD

24h 55m1 stop

$263Multiple Airlines

Find Deal

Mon, Oct 6 - Thu, Oct 30

1:29 pm - 9:07 amFSD-STL

19h 38m2 stops

7:52 pm - 2:24 pmSTL-FSD

18h 32m1 stop

$267Multiple Airlines

Find Deal

Tue, Oct 21 - Wed, Oct 22

American Airlines flights from Sioux Falls to Illinois

Our best American Airlines deals on Sioux Falls to Illinois flight tickets

American Airlines

Oct 23

FSD6:27 pmSioux Falls Joe Foss Field

1h 54m

ORD8:21 pmChicago O'Hare Intl

Oct 27

ORD8:45 pmChicago O'Hare Intl

1h 57m

FSD10:42 pmSioux Falls Joe Foss Field

$188

Find similar

American Airlines

Oct 16

FSD6:27 pmSioux Falls Joe Foss Field

1h 54m

ORD8:21 pmChicago O'Hare Intl

Oct 20

ORD8:45 pmChicago O'Hare Intl

1h 57m

FSD10:42 pmSioux Falls Joe Foss Field

$189

Find similar

American Airlines

Oct 4

FSD6:00 amSioux Falls Joe Foss Field

1h 53m

ORD7:53 amChicago O'Hare Intl

Oct 5

ORD10:11 pmChicago O'Hare Intl

1h 48m

FSD11:59 pmSioux Falls Joe Foss Field

$199

Find similar

Frontier flights from Sioux Falls to Illinois

Our best Frontier deals on Sioux Falls to Illinois flight tickets

Frontier

Oct 31

FSD2:32 pmSioux Falls Joe Foss Field

9h 44m

1 stop

ORD12:16 amChicago O'Hare Intl

Nov 2

ORD5:00 amChicago O'Hare Intl

7h 38m

1 stop

FSD12:38 pmSioux Falls Joe Foss Field

$148

Find similar

Frontier

Oct 27

FSD7:28 pmSioux Falls Joe Foss Field

5h 31m

1 stop

ORD12:59 amChicago O'Hare Intl

Oct 30

ORD6:00 amChicago O'Hare Intl

7h 38m

1 stop

FSD1:38 pmSioux Falls Joe Foss Field

$167

Find similar

Frontier

Nov 7

FSD2:32 pmSioux Falls Joe Foss Field

9h 43m

1 stop

ORD12:15 amChicago O'Hare Intl

Nov 10

ORD6:00 amChicago O'Hare Intl

7h 47m

1 stop

FSD1:47 pmSioux Falls Joe Foss Field

$172

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Sioux FallsChicago

FSD - ORD

FSDORD

Sioux Falls Joe Foss Field

Fri 10/31

2:32 pm-12:16 am

1 stop9h 44m

Chicago O'Hare Intl

Sun 11/2

5:00 am-12:38 pm

1 stop7h 38m

$148

Sioux FallsChicago

FSD - ORD

FSDORD

Sioux Falls Joe Foss Field

Mon 10/27

7:28 pm-12:59 am

1 stop5h 31m

Chicago O'Hare Intl

Thu 10/30

6:00 am-1:38 pm

1 stop7h 38m

$167

Sioux FallsChicago

FSD - ORD

FSDORD

Sioux Falls Joe Foss Field

Thu 10/23

6:27 pm-8:21 pm

Nonstop1h 54m

Chicago O'Hare Intl

Mon 10/27

8:45 pm-10:42 pm

Nonstop1h 57m

$188

Sioux FallsChicago

FSD - ORD

FSDORD

Sioux Falls Joe Foss Field

Thu 10/16

6:27 pm-8:21 pm

Nonstop1h 54m

Chicago O'Hare Intl

Mon 10/20

8:45 pm-10:42 pm

Nonstop1h 57m

$189

Sioux FallsChicago

FSD - ORD

FSDORD

Sioux Falls Joe Foss Field

Thu 10/16

6:10 pm-8:09 pm

Nonstop1h 59m

Chicago O'Hare Intl

Tue 10/21

8:30 pm-10:22 pm

Nonstop1h 52m

$208

Sioux FallsChicago

FSD - MDW

FSDMDW

Sioux Falls Joe Foss Field

Thu 10/23

5:20 am-8:55 am

1 stop3h 35m

Chicago Midway

Sat 10/25

3:00 pm-7:19 pm

1 stop4h 19m

$209

Sioux FallsChicago

FSD - ORD

FSDORD

Sioux Falls Joe Foss Field

Thu 10/23

8:00 am-9:51 am

Nonstop1h 51m

Chicago O'Hare Intl

Sat 10/25

8:30 pm-10:22 pm

Nonstop1h 52m

$212

Sioux FallsChicago

FSD - MDW

FSDMDW

Sioux Falls Joe Foss Field

Tue 10/21

5:20 am-8:55 am

1 stop3h 35m

Chicago Midway

Tue 10/28

9:35 am-3:44 pm

2 stops6h 09m

$214

Sioux FallsChicago

FSD - ORD

FSDORD

Sioux Falls Joe Foss Field

Mon 10/6

6:11 pm-12:45 pm

2 stops42h 34m

Chicago O'Hare Intl

Thu 10/30

7:06 pm-8:01 pm

1 stop24h 55m

$263

Sioux FallsSt. Louis

FSD - STL

FSDSTL

Sioux Falls Joe Foss Field

Tue 10/21

1:29 pm-9:07 am

2 stops19h 38m

Lambert-St Louis

Wed 10/22

7:52 pm-2:24 pm

1 stop18h 32m

$267

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How to get the cheapest flight ticket from Sioux Falls to Illinois

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Illinois?

The cheapest month to fly to Illinois from Sioux Falls is in January. Flight prices, which tend to average around $193, are often lower during this time because this is during the off-season. If you aren’t able to travel to Illinois during the month of January, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $273.

What is the cheapest day to depart on your flight to Illinois?

The cheapest day to depart from Sioux Falls to Illinois is on a Friday when prices can be found for as low as $434. Flights from Sioux Falls to Illinois on a Sunday will generally be more expensive and average around $604. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Illinois?

Our most recent data shows that the best time of day to fly to Illinois is in the evening. Flights from Sioux Falls to Illinois during this time can be as low as $248. Flights in the afternoon are often more expensive with an average ticket price of $502.

What is the cheapest Sioux Falls Joe Foss Field to Illinois flight route?

Fly from Sioux Falls Joe Foss Field to Chicago O'Hare Intl for the best Sioux Falls Joe Foss Field - Illinois flight prices

How far in advance should I book a flight to Illinois?

You are more likely to see cheaper flights to Illinois from Sioux Falls when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $286 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Sioux Falls for as low as $189 on momondo.

What cabin class options are available on Sioux Falls Joe Foss Field to Illinois flights?

There are 4 cabin classes available to choose from on Sioux Falls Joe Foss Field to Illinois flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Sioux Falls to Illinois flights?

You could potentially save up to 29% on your flight if you consider stops on a Sioux Falls to Illinois flight.

Cheap Sioux Falls to Illinois flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Sioux Falls to Illinois

Best Price Found	$213
Fastest flight time	1h 34m
Direct flights	Every day
Airports in Illinois	1 airport

The best one-way flight to Illinois from Sioux Falls in the past 72 hours is $213. The best round-trip flight deal from Sioux Falls to Illinois found on momondo in the last 72 hours is $281.

The fastest flight from Sioux Falls to Illinois takes 1h 34m

Direct flights go from Sioux Falls to Illinois every day.

There is 1 airport near Illinois: Chicago O'Hare Intl (ORD)

Search flight deals

When did momondo last update prices for flights from Sioux Falls Joe Foss Field Airport to Illinois?
Prices for flights from Sioux Falls Joe Foss Field Airport to Illinois are updated daily.
How many operators does momondo search for flights from Sioux Falls Joe Foss Field Airport to Illinois?
As of September 2025, there are 3 operators available to choose from for flights from Sioux Falls Joe Foss Field Airport to Illinois.
How old do you have to be to fly from Sioux Falls Joe Foss Field Airport to Illinois?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Sioux Falls Joe Foss Field Airport to Illinois.
What documentation or ID do you need to fly to Illinois?
The required travel and health documents for your Illinois trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Illinois. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Sioux Falls to Illinois?
Based on momondo bookings for flights between Sioux Falls and Illinois, the leading plane model is Canadair (Bombardier) Regional Jet CRJ-550, making up 27.65% of the total bookings. Other popular models include Canadair (Bombardier) Regional Jet 700 with 27.00%, Boeing 737-800 with 17.28%, and Airbus A319 with 7.34%.

Best airlines flying from Sioux Falls to Illinois

Compare and see reviews for airlines that fly from Sioux Falls to Illinois with momondo

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $189	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
United Airlines	PriceFrom $189	Free Cancellation	Rating 7.4 8,926 reviews	Search United Airlines flights
Delta	PriceFrom $208	Free Cancellation	Rating 7.9 7,974 reviews	Search Delta flights

Why use momondo?

Why should I use momondo to find a flight deal from Sioux Falls to Illinois?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Sioux Falls to Illinois. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Sioux Falls to Illinois with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Illinois from Sioux Falls with this policy.

How can momondo help me find flights from Sioux Falls to Illinois?

Once all potential Sioux Falls to Illinois flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Sioux Falls to Illinois right now. Can momondo alert me if prices change?

Price alerts on flights to Illinois from Sioux Falls are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Illinois trip

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Find better results for your trip to Illinois

Popular cities in Illinois

Flights to New Yorkfrom $50

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Flights to Chicagofrom $60

Flights to Orlandofrom $56

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Flights to San Franciscofrom $60

Flights to Washington, D.C.from $56

Flights to Bostonfrom $67

Flights to Atlantafrom $51

Flights to Dallasfrom $59

Flights to Seattlefrom $102

Sioux Falls flight routes

Flights from Sioux Falls Joe Foss Field to Nashville Intl

Flights from Sioux Falls Joe Foss Field to Orlando Sanford Intl

Flights from Sioux Falls Joe Foss Field to Denver Intl

Flights from Sioux Falls Joe Foss Field to Las Vegas Harry Reid Intl

Flights from Sioux Falls Joe Foss Field to Phoenix-Mesa Gateway

Flights from Sioux Falls Joe Foss Field to Phoenix Sky Harbor Intl

Cheap flights from Sioux Falls to Illinois from $93

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Sioux Falls to Illinois departing on 10/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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American Airlines flights from Sioux Falls to Illinois

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How to get the cheapest flight ticket from Sioux Falls to Illinois

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Illinois?

What is the cheapest day to depart on your flight to Illinois?

What is the cheapest time of day to depart on your flight to Illinois?

Our most recent data shows that the best time of day to fly to Illinois is in the evening. Flights from Sioux Falls to Illinois during this time can be as low as $248. Flights in the afternoon are often more expensive with an average ticket price of $502.

What is the cheapest Sioux Falls Joe Foss Field to Illinois flight route?

Fly from Sioux Falls Joe Foss Field to Chicago O'Hare Intl for the best Sioux Falls Joe Foss Field - Illinois flight prices

How far in advance should I book a flight to Illinois?

What cabin class options are available on Sioux Falls Joe Foss Field to Illinois flights?

There are 4 cabin classes available to choose from on Sioux Falls Joe Foss Field to Illinois flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Sioux Falls to Illinois flights?

You could potentially save up to 29% on your flight if you consider stops on a Sioux Falls to Illinois flight.

What is the cheapest airline that flies from Sioux Falls Joe Foss Field to Illinois?

Frontier, Delta, and United Airlines are the most popular carriers operating from Sioux Falls Joe Foss Field to Illinois

What airlines fly to Illinois?

How many flights depart from Sioux Falls to Illinois on average per day?

The number of flights available between Sioux Falls and Illinois is 11 per day as of September 2025. The most frequent departure time is 12:00PM, with 40% of daily flights leaving at noon.

How many flights depart from Sioux Falls to Illinois on average per week?

As of September 2025, 81 flights take off from Sioux Falls and land in Illinois each week. The most common flight departure day for this route is Mon, with 21% of weekly flights taking off on this day.

Cheap Sioux Falls to Illinois flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Sioux Falls to Illinois

Best Price Found

Fastest flight time

Direct flights

Airports in Illinois

When did momondo last update prices for flights from Sioux Falls Joe Foss Field Airport to Illinois?

How many operators does momondo search for flights from Sioux Falls Joe Foss Field Airport to Illinois?

How old do you have to be to fly from Sioux Falls Joe Foss Field Airport to Illinois?

What documentation or ID do you need to fly to Illinois?

What is the most popular plane model from Sioux Falls to Illinois?

Best airlines flying from Sioux Falls to Illinois

Compare and see reviews for airlines that fly from Sioux Falls to Illinois with momondo

Why use momondo?

Why should I use momondo to find a flight deal from Sioux Falls to Illinois?

Can I find flights from Sioux Falls to Illinois with flexible booking policies on momondo?

How can momondo help me find flights from Sioux Falls to Illinois?

I’m not ready to book a flight from Sioux Falls to Illinois right now. Can momondo alert me if prices change?

An easier way to manage your Illinois trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Illinois

Popular cities in Illinois

Popular flights according to clicks in the last 7 days on momondo