What airlines fly to South Dakota?

United Airlines, American Airlines and Delta are the top three most popular airlines that fly to South Dakota from Illinois according to our data. United Airlines is the first choice among our users, with 50% of people opting to fly with this airline when traveling to South Dakota. Keep in mind that there are 4 different airlines that fly to South Dakota on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Illinois to South Dakota?

United Airlines, Frontier, and Delta are the most popular carriers operating from Illinois to South Dakota

How many flights depart from Illinois to South Dakota on average per day?

As of September 2025, 11 flights take off from Illinois and land in South Dakota each day. The most common flight departure time for this route is 8:00AM, with 39% of daily flights taking off at noon.

How long is the flight from Illinois to South Dakota?

The flight from Illinois to South Dakota depends on which airports you’re departing and arriving from and whether or not you have a layover. If you fly from Chicago (a popular airport in Illinois) to Sioux Falls (the most popular airport in South Dakota), then the flight time is 2h 37m on average. If you fly from Moline (another popular airport in Illinois) to Sioux Falls, then the average flight time is 4h 15m.

How many flights depart from Illinois to South Dakota on average per week?

As of September 2025, 77 flights take off from Illinois and land in South Dakota each week. The most common flight departure day for this route is Mon, with 27% of weekly flights taking off on this day.

When did momondo last update prices for flights from Illinois to South Dakota?

Prices for flights from Illinois to South Dakota were last updated today.

How many operators does momondo search for flights from Illinois to South Dakota?

As of September 2025, there are 3 operators available to choose from for flights from Illinois to South Dakota.

How old do you have to be to fly from Illinois to South Dakota?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Illinois to South Dakota.

What documentation or ID do you need to fly to South Dakota?

The travel and health documents you'll need for your trip to South Dakota may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at South Dakota. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$129 Cheap Flights from Illinois to South Dakota in 2025/26

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Find the cheapest flights from Illinois to South Dakota

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

6:00 am - 1:47 pmORD-FSD

7h 47m1 stop

2:23 pm - 12:15 amFSD-ORD

9h 52m1 stop

$148Frontier

Find Deal

Fri, Nov 14 - Sun, Nov 16

6:50 am - 6:33 pmORD-FSD

11h 43m1 stop

2:32 pm - 12:16 amFSD-ORD

9h 44m1 stop

$172Frontier

Find Deal

Mon, Oct 27 - Fri, Oct 31

8:45 pm - 10:42 pmORD-FSD

1h 57mnonstop

6:00 am - 7:52 amFSD-ORD

1h 52mnonstop

$189American Airlines

Find Deal

Wed, Oct 15 - Sun, Oct 19

5:07 pm - 6:52 pmORD-FSD

1h 45mnonstop

7:11 am - 9:10 amFSD-ORD

1h 59mnonstop

$194American Airlines

Find Deal

Fri, Dec 19 - Thu, Jan 1

8:45 am - 10:13 amORD-RAP

2h 28mnonstop

1:44 pm - 5:05 pmRAP-ORD

2h 21mnonstop

$209United Airlines

Find Deal

Wed, Oct 22 - Sat, Oct 25

8:00 pm - 9:46 pmORD-FSD

1h 46mnonstop

6:23 pm - 8:20 pmFSD-ORD

1h 57mnonstop

$212United Airlines

Find Deal

Fri, Nov 21 - Mon, Dec 1

10:46 am - 11:09 pmORD-FSD

12h 23m2 stops

5:18 am - 11:34 amFSD-ORD

6h 16m1 stop

$214Delta

Find Deal

Wed, Nov 19 - Fri, Nov 28

10:46 am - 11:09 pmORD-FSD

12h 23m2 stops

5:18 am - 2:05 pmFSD-ORD

8h 47m2 stops

$219Delta

Find Deal

Wed, Nov 19 - Fri, Nov 28

5:28 pm - 8:27 amORD-FSD

14h 59m1 stop

2:32 pm - 12:16 amFSD-ORD

9h 44m1 stop

$225Multiple Airlines

Find Deal

Wed, Oct 29 - Fri, Oct 31

5:28 pm - 8:27 amORD-FSD

14h 59m1 stop

2:32 pm - 12:16 amFSD-ORD

9h 44m1 stop

$233Multiple Airlines

Find Deal

Wed, Oct 29 - Fri, Oct 31

American Airlines flights from Illinois to South Dakota

Our best American Airlines deals on Illinois to South Dakota flight tickets

American Airlines

Oct 15

ORD8:45 pmChicago O'Hare Intl

1h 57m

FSD10:42 pmSioux Falls Joe Foss Field

Oct 19

FSD6:00 amSioux Falls Joe Foss Field

1h 52m

ORD7:52 amChicago O'Hare Intl

$189

Find similar

American Airlines

Dec 19

ORD5:07 pmChicago O'Hare Intl

1h 45m

FSD6:52 pmSioux Falls Joe Foss Field

Jan 1

FSD7:11 amSioux Falls Joe Foss Field

1h 59m

ORD9:10 amChicago O'Hare Intl

$194

Find similar

American Airlines

Oct 6

ORD8:45 pmChicago O'Hare Intl

1h 57m

FSD10:42 pmSioux Falls Joe Foss Field

Oct 11

FSD6:00 amSioux Falls Joe Foss Field

1h 52m

ORD7:52 amChicago O'Hare Intl

$199

Find similar

Delta flights from Illinois to South Dakota

Our best Delta deals on Illinois to South Dakota flight tickets

Delta

Nov 19

ORD10:46 amChicago O'Hare Intl

12h 23m

2 stops

FSD11:09 pmSioux Falls Joe Foss Field

Nov 28

FSD5:18 amSioux Falls Joe Foss Field

6h 16m

1 stop

ORD11:34 amChicago O'Hare Intl

$214

Find similar

Delta

Nov 19

ORD10:46 amChicago O'Hare Intl

12h 23m

2 stops

FSD11:09 pmSioux Falls Joe Foss Field

Nov 28

FSD5:18 amSioux Falls Joe Foss Field

8h 47m

2 stops

ORD2:05 pmChicago O'Hare Intl

$219

Find similar

Delta

Feb 21

STL5:30 pmLambert-St Louis

5h 28m

1 stop

FSD10:58 pmSioux Falls Joe Foss Field

Feb 24

FSD5:15 amSioux Falls Joe Foss Field

3h 39m

1 stop

STL8:54 amLambert-St Louis

$229

Find similar

Fly from

Fly to

Route

Depart

Return

Price

ChicagoSioux Falls

ORD - FSD

ORDFSD

Chicago O'Hare Intl

Fri 11/14

6:00 am-1:47 pm

1 stop7h 47m

Sioux Falls Joe Foss Field

Sun 11/16

2:23 pm-12:15 am

1 stop9h 52m

$148

ChicagoSioux Falls

ORD - FSD

ORDFSD

Chicago O'Hare Intl

Mon 10/27

6:50 am-6:33 pm

1 stop11h 43m

Sioux Falls Joe Foss Field

Fri 10/31

2:32 pm-12:16 am

1 stop9h 44m

$172

ChicagoSioux Falls

ORD - FSD

ORDFSD

Chicago O'Hare Intl

Wed 10/15

8:45 pm-10:42 pm

Nonstop1h 57m

Sioux Falls Joe Foss Field

Sun 10/19

6:00 am-7:52 am

Nonstop1h 52m

$189

ChicagoSioux Falls

ORD - FSD

ORDFSD

Chicago O'Hare Intl

Fri 12/19

5:07 pm-6:52 pm

Nonstop1h 45m

Sioux Falls Joe Foss Field

Thu 1/1

7:11 am-9:10 am

Nonstop1h 59m

$194

ChicagoRapid City

ORD - RAP

ORDRAP

Chicago O'Hare Intl

Wed 10/22

8:45 am-10:13 am

Nonstop2h 28m

Rapid City

Sat 10/25

1:44 pm-5:05 pm

Nonstop2h 21m

$209

ChicagoSioux Falls

ORD - FSD

ORDFSD

Chicago O'Hare Intl

Fri 11/21

8:00 pm-9:46 pm

Nonstop1h 46m

Sioux Falls Joe Foss Field

Mon 12/1

6:23 pm-8:20 pm

Nonstop1h 57m

$212

ChicagoSioux Falls

ORD - FSD

ORDFSD

Chicago O'Hare Intl

Wed 11/19

10:46 am-11:09 pm

2 stops12h 23m

Sioux Falls Joe Foss Field

Fri 11/28

5:18 am-11:34 am

1 stop6h 16m

$214

ChicagoSioux Falls

ORD - FSD

ORDFSD

Chicago O'Hare Intl

Wed 11/19

10:46 am-11:09 pm

2 stops12h 23m

Sioux Falls Joe Foss Field

Fri 11/28

5:18 am-2:05 pm

2 stops8h 47m

$219

ChicagoSioux Falls

ORD - FSD

ORDFSD

Chicago O'Hare Intl

Wed 10/29

5:28 pm-8:27 am

1 stop14h 59m

Sioux Falls Joe Foss Field

Fri 10/31

2:32 pm-12:16 am

1 stop9h 44m

$225

ChicagoSioux Falls

ORD - FSD

ORDFSD

Chicago O'Hare Intl

Wed 10/29

5:28 pm-8:27 am

1 stop14h 59m

Sioux Falls Joe Foss Field

Fri 10/31

2:32 pm-12:16 am

1 stop9h 44m

$233

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How to get the cheapest flight ticket from Illinois to South Dakota

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 South Dakota?

The month of September is, on average, the cheapest month to fly to South Dakota from Illinois, with most prices found around $219. If you aren’t able to travel to South Dakota during the month of September, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $249.

What is the cheapest day to depart on your flight to South Dakota?

The cheapest day to depart from Illinois to South Dakota is on a Friday. Travelers who choose to depart for South Dakota on a Friday will often find tickets for as low as $286. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around $479. These prices are subject to change though, so be sure to set up a Price Alert for flights to South Dakota.

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

The cheapest time of day to fly to South Dakota is at noon when flights can be purchased for as low as $189. In the morning is when there is more demand to fly to South Dakota, so prices are often more expensive at around $355 per ticket.

What is the cheapest Illinois to South Dakota flight route?

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

What cabin class options are available on Illinois to South Dakota flights?

There are 4 cabin classes available to choose from on Illinois to South Dakota 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 Illinois to South Dakota flights?

No. A direct flight is the cheapest option for a flight between Illinois to South Dakota.

Cheap Illinois to South Dakota flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to South Dakota

Best Price Found	$210
Fastest flight time	1h 45m
Direct flights	Every day
Airports in South Dakota	2 airports

The best one-way flight to South Dakota from Illinois in the past 72 hours is $210. The best round-trip flight deal from Illinois to South Dakota found on momondo in the last 72 hours is $240.

The fastest flight from Illinois to South Dakota takes 1h 45m

Direct flights go from Illinois to South Dakota every day.

There are 2 airports near South Dakota: Rapid City (RAP), Sioux Falls Joe Foss Field (FSD)

Search flight deals

When did momondo last update prices for flights from Illinois to South Dakota?
Prices for flights from Illinois to South Dakota were last updated today.
How many operators does momondo search for flights from Illinois to South Dakota?
As of September 2025, there are 3 operators available to choose from for flights from Illinois to South Dakota.
How old do you have to be to fly from Illinois to South Dakota?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Illinois to South Dakota.
What documentation or ID do you need to fly to South Dakota?
The travel and health documents you'll need for your trip to South Dakota may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at South Dakota. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Illinois to South Dakota?
Based on momondo bookings for flights between Illinois and South Dakota, the leading plane model is Canadair (Bombardier) Regional Jet 700, making up 16.49% of the total bookings. Other popular models include Airbus A320-100/200 with 13.62%, Embraer 170 with 13.49%, and Embraer 175 (Enhanced Winglets) with 12.53%.

Best airlines flying from Illinois to South Dakota

Compare and see reviews for airlines that fly from Illinois to South Dakota with momondo

Airline	Rating	Free Cancellation	Price
Denver Air Connection	PriceFrom $164	Free Cancellation	Rating 9.0 17 reviews	Search Denver Air Connection flights
American Airlines	PriceFrom $189	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
United Airlines	PriceFrom $194	Free Cancellation	Rating 7.4 8,926 reviews	Search United Airlines flights
Delta	PriceFrom $228	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 Illinois to South Dakota?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Illinois to South Dakota. momondo saves you time and could save you money on your trip.

Can I find flights from Illinois to South Dakota with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Illinois to South Dakota flights to just show those with flexible booking policies.

How can momondo help me find flights from Illinois to South Dakota?

Once you have performed a search for Illinois to South Dakota flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are simply researching potential flights to South Dakota, momondo offers a useful price alert feature which will track prices for flights to South Dakota from Illinois and alert you when they change.

An easier way to manage your South Dakota 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.

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Popular cities in South Dakota

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Cheap flights from Illinois to South Dakota from $129

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to South Dakota departing on 10/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

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Trusted and free

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Find the cheapest flights from Illinois to South Dakota

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

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American Airlines flights from Illinois to South Dakota

Our best American Airlines deals on Illinois to South Dakota flight tickets

Delta flights from Illinois to South Dakota

Our best Delta deals on Illinois to South Dakota flight tickets

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How to get the cheapest flight ticket from Illinois to South Dakota

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 South Dakota?

What is the cheapest day to depart on your flight to South Dakota?

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

The cheapest time of day to fly to South Dakota is at noon when flights can be purchased for as low as $189. In the morning is when there is more demand to fly to South Dakota, so prices are often more expensive at around $355 per ticket.

What is the cheapest Illinois to South Dakota flight route?

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

What cabin class options are available on Illinois to South Dakota flights?

There are 4 cabin classes available to choose from on Illinois to South Dakota 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 Illinois to South Dakota flights?

No. A direct flight is the cheapest option for a flight between Illinois to South Dakota.

What is the cheapest airline that flies from Illinois to South Dakota?

United Airlines, Frontier, and Delta are the most popular carriers operating from Illinois to South Dakota

What airlines fly to South Dakota?

How many flights depart from Illinois to South Dakota on average per day?

As of September 2025, 11 flights take off from Illinois and land in South Dakota each day. The most common flight departure time for this route is 8:00AM, with 39% of daily flights taking off at noon.

How many flights depart from Illinois to South Dakota on average per week?

As of September 2025, 77 flights take off from Illinois and land in South Dakota each week. The most common flight departure day for this route is Mon, with 27% of weekly flights taking off on this day.

How long is the flight from Illinois to South Dakota?

Cheap Illinois to South Dakota flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to South Dakota

Best Price Found

Fastest flight time

Direct flights

Airports in South Dakota

When did momondo last update prices for flights from Illinois to South Dakota?

How many operators does momondo search for flights from Illinois to South Dakota?

How old do you have to be to fly from Illinois to South Dakota?

What documentation or ID do you need to fly to South Dakota?

What is the most popular plane model from Illinois to South Dakota?

Best airlines flying from Illinois to South Dakota

Compare and see reviews for airlines that fly from Illinois to South Dakota with momondo

Why use momondo?

Why should I use momondo to find a flight deal from Illinois to South Dakota?

Can I find flights from Illinois to South Dakota with flexible booking policies on momondo?

How can momondo help me find flights from Illinois to South Dakota?

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

An easier way to manage your South Dakota 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 South Dakota

Popular cities in South Dakota

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