Cheap flights from Sioux Falls to Illinois from $81

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 1/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
9:10 am - 11:07 am
FSD
-
ORD
1h 57mnonstop
American Airlines Logo
9:40 am - 11:49 am
ORD
-
FSD
2h 09mnonstop
$189American Airlines
Wed, Feb 18 - Sat, Feb 21
United Airlines Logo
7:30 am - 9:32 am
FSD
-
ORD
2h 02mnonstop
United Airlines Logo
7:58 pm - 9:50 pm
ORD
-
FSD
1h 52mnonstop
$198United Airlines
Thu, Jan 8 - Sun, Jan 11
United Airlines Logo
6:45 pm - 8:35 pm
FSD
-
ORD
1h 50mnonstop
United Airlines Logo
8:05 pm - 9:57 pm
ORD
-
FSD
1h 52mnonstop
$203United Airlines
Fri, Feb 20 - Sun, Feb 22
American Airlines Logo
7:29 pm - 9:30 pm
FSD
-
ORD
2h 01mnonstop
American Airlines Logo
5:07 pm - 6:59 pm
ORD
-
FSD
1h 52mnonstop
$204American Airlines
Fri, Jan 2 - Mon, Jan 5
Delta Logo
8:05 am - 1:23 pm
FSD
-
MDW
5h 18m1 stop
Delta Logo
7:20 pm - 11:08 pm
MDW
-
FSD
3h 48m1 stop
$209Delta
Fri, Apr 3 - Tue, Apr 7
Delta Logo
1:00 pm - 6:01 pm
FSD
-
ORD
5h 01m1 stop
Delta Logo
8:52 am - 3:35 pm
ORD
-
FSD
6h 43m1 stop
$209Delta
Wed, Feb 18 - Sat, Feb 21
Delta Logo
5:00 am - 1:22 pm
FSD
-
ORD
8h 22m2 stops
Delta Logo
8:52 am - 3:35 pm
ORD
-
FSD
6h 43m1 stop
$214Delta
Wed, Feb 18 - Sat, Feb 21
American Airlines Logo
7:29 pm - 9:30 pm
FSD
-
ORD
2h 01mnonstop
American Airlines Logo
10:05 pm - 12:01 am
ORD
-
FSD
1h 56mnonstop
$219American Airlines
Tue, Dec 30 - Fri, Jan 2
Frontier Logo
2:16 pm - 10:30 pm
FSD
-
ORD
32h 14m2 stops
Frontier Logo
4:16 pm - 1:04 pm
ORD
-
FSD
20h 48m1 stop
$232Frontier
Sun, Feb 22 - Thu, Feb 26
Frontier Logo
7:45 pm - 2:05 pm
FSD
-
MDW
18h 20m1 stop
Frontier Logo
6:10 am - 7:41 pm
MDW
-
FSD
13h 31m2 stops
$288Frontier
Thu, Jan 8 - Sun, Jan 11

American Airlines flights from Sioux Falls to Illinois

Our best American Airlines deals on Sioux Falls to Illinois flight tickets
American Airlines
Feb 18
FSD9:10 amSioux Falls Joe Foss Field
1h 57m
ORD11:07 amChicago O'Hare Intl
Feb 21
ORD9:40 amChicago O'Hare Intl
2h 09m
FSD11:49 amSioux Falls Joe Foss Field
American Airlines
Jan 2
FSD7:29 pmSioux Falls Joe Foss Field
2h 01m
ORD9:30 pmChicago O'Hare Intl
Jan 5
ORD5:07 pmChicago O'Hare Intl
1h 52m
FSD6:59 pmSioux Falls Joe Foss Field
American Airlines
Dec 30
FSD7:29 pmSioux Falls Joe Foss Field
2h 01m
ORD9:30 pmChicago O'Hare Intl
Jan 2
ORD10:05 pmChicago O'Hare Intl
1h 56m
FSD12:01 amSioux Falls Joe Foss Field

United Airlines flights from Sioux Falls to Illinois

Our best United Airlines deals on Sioux Falls to Illinois flight tickets
United Airlines
Jan 8
FSD7:30 amSioux Falls Joe Foss Field
2h 02m
ORD9:32 amChicago O'Hare Intl
Jan 11
ORD7:58 pmChicago O'Hare Intl
1h 52m
FSD9:50 pmSioux Falls Joe Foss Field
United Airlines
Feb 20
FSD6:45 pmSioux Falls Joe Foss Field
1h 50m
ORD8:35 pmChicago O'Hare Intl
Feb 22
ORD8:05 pmChicago O'Hare Intl
1h 52m
FSD9:57 pmSioux Falls Joe Foss Field
United Airlines
May 8
FSD7:32 amSioux Falls Joe Foss Field
1h 42m
ORD9:14 amChicago O'Hare Intl
May 11
ORD8:24 pmChicago O'Hare Intl
1h 51m
FSD10:15 pmSioux Falls Joe Foss Field

momondo Fare Finder

 
Customize your flight search to find flights from Sioux Falls to Illinois 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, momondo users made 832,500 searches. Data last updated December 15, 2025.
Use the filters below to find and compare flights from Sioux Falls to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Sioux FallsChicago

FSD - ORD

FSDORD

Sioux Falls Joe Foss Field

Wed 2/18

9:10 am-11:07 am

Nonstop1h 57m

Chicago O'Hare Intl

Sat 2/21

9:40 am-11:49 am

Nonstop2h 09m

$189

Sioux FallsChicago

FSD - ORD

FSDORD

Sioux Falls Joe Foss Field

Thu 1/8

7:30 am-9:32 am

Nonstop2h 02m

Chicago O'Hare Intl

Sun 1/11

7:58 pm-9:50 pm

Nonstop1h 52m

$198

Sioux FallsChicago

FSD - ORD

FSDORD

Sioux Falls Joe Foss Field

Fri 2/20

6:45 pm-8:35 pm

Nonstop1h 50m

Chicago O'Hare Intl

Sun 2/22

8:05 pm-9:57 pm

Nonstop1h 52m

$203

Sioux FallsChicago

FSD - ORD

FSDORD

Sioux Falls Joe Foss Field

Fri 1/2

7:29 pm-9:30 pm

Nonstop2h 01m

Chicago O'Hare Intl

Mon 1/5

5:07 pm-6:59 pm

Nonstop1h 52m

$204

Sioux FallsChicago

FSD - MDW

FSDMDW

Sioux Falls Joe Foss Field

Fri 4/3

8:05 am-1:23 pm

1 stop5h 18m

Chicago Midway

Tue 4/7

7:20 pm-11:08 pm

1 stop3h 48m

$209

Sioux FallsChicago

FSD - ORD

FSDORD

Sioux Falls Joe Foss Field

Wed 2/18

1:00 pm-6:01 pm

1 stop5h 01m

Chicago O'Hare Intl

Sat 2/21

8:52 am-3:35 pm

1 stop6h 43m

$209

Sioux FallsChicago

FSD - ORD

FSDORD

Sioux Falls Joe Foss Field

Wed 2/18

5:00 am-1:22 pm

2 stops8h 22m

Chicago O'Hare Intl

Sat 2/21

8:52 am-3:35 pm

1 stop6h 43m

$214

Sioux FallsChicago

FSD - ORD

FSDORD

Sioux Falls Joe Foss Field

Tue 12/30

7:29 pm-9:30 pm

Nonstop2h 01m

Chicago O'Hare Intl

Fri 1/2

10:05 pm-12:01 am

Nonstop1h 56m

$219

Sioux FallsChicago

FSD - ORD

FSDORD

Sioux Falls Joe Foss Field

Sun 2/22

2:16 pm-10:30 pm

2 stops32h 14m

Chicago O'Hare Intl

Thu 2/26

4:16 pm-1:04 pm

1 stop20h 48m

$232

Sioux FallsChicago

FSD - MDW

FSDMDW

Sioux Falls Joe Foss Field

Thu 1/8

7:45 pm-2:05 pm

1 stop18h 20m

Chicago Midway

Sun 1/11

6:10 am-7:41 pm

2 stops13h 31m

$288

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Illinois from

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?

The cheapest month to fly to Illinois from Sioux Falls is in September. Flight prices, which tend to average around $246, 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 September, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $263.

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 Saturday when prices can be found for as low as $412. Flights from Sioux Falls to Illinois on a Monday will generally be more expensive and average around $585. 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 $392. Flights in the afternoon are often more expensive with an average ticket price of $493.

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 $283 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 $203 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?

No. A direct flight is the cheapest option for a flight between Sioux Falls to Illinois.

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

$272

Fastest flight time

1h 48m

Direct flights

Every day

Airports in Illinois

98 airports
The best one-way flight to Illinois from Sioux Falls in the past 72 hours is $272. The best round-trip flight deal from Sioux Falls to Illinois found on momondo in the last 72 hours is $341.
The fastest flight from Sioux Falls to Illinois takes 1h 48m
Direct flights go from Sioux Falls to Illinois every day.
There are 98 airports in Illinois. From Sioux Falls there are direct flights to Chicago O'Hare Intl (ORD).
  • 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?

  • 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?

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 AirlinesPriceFrom $189Free CancellationRating
7.2
11,052 reviews
Search American Airlines flights
United AirlinesPriceFrom $189Free CancellationRating
7.4
9,092 reviews
Search United Airlines flights
DeltaPriceFrom $208Free CancellationRating
7.9
8,008 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.

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1 adult
Wed 1/14
Wed 1/21

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