Cheap flights from Sioux Falls to Illinois from $110

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 5/18. 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
1 adult, Economy, 0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
12:14 pm - 2:02 pm
FSD
-
ORD
1h 48mnonstop
American Airlines Logo
9:47 am - 11:38 am
ORD
-
FSD
1h 51mnonstop
$228American Airlines
Sat, Apr 4 - Sun, Apr 5
American Airlines Logo
7:39 pm - 9:34 pm
FSD
-
ORD
1h 55mnonstop
American Airlines Logo
12:54 pm - 2:47 pm
ORD
-
FSD
1h 53mnonstop
$229American Airlines
Thu, May 7 - Sun, May 10
American Airlines Logo
12:48 pm - 2:33 pm
FSD
-
ORD
1h 45mnonstop
American Airlines Logo
3:35 pm - 5:37 pm
ORD
-
FSD
2h 02mnonstop
$233American Airlines
Sat, Aug 8 - Fri, Aug 14
American Airlines Logo
7:42 pm - 9:30 pm
FSD
-
ORD
1h 48mnonstop
American Airlines Logo
5:19 pm - 7:10 pm
ORD
-
FSD
1h 51mnonstop
$244American Airlines
Thu, Apr 2 - Sun, Apr 5
United Airlines Logo
7:40 am - 9:36 am
FSD
-
ORD
1h 56mnonstop
United Airlines Logo
8:09 pm - 10:07 pm
ORD
-
FSD
1h 58mnonstop
$249United Airlines
Tue, Jun 30 - Mon, Jul 6
Delta Logo
1:44 pm - 6:36 pm
FSD
-
MDW
4h 52m
1 stop
Delta Logo
7:16 pm - 11:02 pm
MDW
-
FSD
3h 46m
1 stop
$249Delta
Wed, Apr 15 - Sat, Apr 18
Multiple Airlines Logo
6:11 pm - 9:31 am
FSD
-
ORD
15h 20m
1 stop
Multiple Airlines Logo
3:55 pm - 6:12 pm
ORD
-
FSD
26h 17m
1 stop
$256Multiple Airlines
Fri, May 15 - Wed, May 20
United Airlines Logo
7:40 am - 9:36 am
FSD
-
ORD
1h 56mnonstop
United Airlines Logo
7:40 pm - 9:38 pm
ORD
-
FSD
1h 58mnonstop
$263United Airlines
Fri, May 22 - Sun, May 24
Delta Logo
9:15 am - 1:19 pm
FSD
-
MDW
4h 04m
1 stop
Delta Logo
9:23 am - 12:49 pm
MDW
-
FSD
3h 26m
1 stop
$269Delta
Sat, May 23 - Sun, May 24
Frontier Logo
4:29 pm - 7:23 pm
FSD
-
STL
26h 54m
1 stop
Frontier Logo
8:08 pm - 3:44 pm
STL
-
FSD
19h 36m
1 stop
$321Frontier
Fri, Jun 5 - Sun, Jun 7

United Airlines flights from Sioux Falls to Illinois

Our best United Airlines deals on Sioux Falls to Illinois flight tickets
United Airlines
Jun 30
FSD7:40 amSioux Falls Joe Foss Field
1h 56m
ORD9:36 amChicago O'Hare Intl
Jul 6
ORD11:00 pmChicago O'Hare Intl
2h 08m
FSD1:08 amSioux Falls Joe Foss Field
$249
United Airlines
May 22
FSD7:40 amSioux Falls Joe Foss Field
1h 56m
ORD9:36 amChicago O'Hare Intl
May 24
ORD7:40 pmChicago O'Hare Intl
1h 58m
FSD9:38 pmSioux Falls Joe Foss Field
$263
United Airlines
Jun 19
FSD7:40 amSioux Falls Joe Foss Field
1h 56m
ORD9:36 amChicago O'Hare Intl
Jun 20
ORD8:09 pmChicago O'Hare Intl
1h 58m
FSD10:07 pmSioux Falls Joe Foss Field
$264

American Airlines flights from Sioux Falls to Illinois

Our best American Airlines deals on Sioux Falls to Illinois flight tickets
American Airlines
Apr 4
FSD12:14 pmSioux Falls Joe Foss Field
1h 48m
ORD2:02 pmChicago O'Hare Intl
Apr 5
ORD9:47 amChicago O'Hare Intl
1h 51m
FSD11:38 amSioux Falls Joe Foss Field
$228
American Airlines
May 7
FSD7:39 pmSioux Falls Joe Foss Field
1h 55m
ORD9:34 pmChicago O'Hare Intl
May 10
ORD12:54 pmChicago O'Hare Intl
1h 53m
FSD2:47 pmSioux Falls Joe Foss Field
$229
American Airlines
Apr 2
FSD7:42 pmSioux Falls Joe Foss Field
1h 48m
ORD9:30 pmChicago O'Hare Intl
Apr 5
ORD11:45 amChicago O'Hare Intl
1h 51m
FSD1:36 pmSioux Falls Joe Foss Field
$232

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 March 16, 2026.
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

Cheapest round-trip
Quickest round-trip

Sioux FallsChicago

FSD - ORD

FSDORD

Sioux Falls Joe Foss Field

Sat 4/4

12:14 pm-2:02 pm

Nonstop1h 48m

Chicago O'Hare Intl

Sun 4/5

9:47 am-11:38 am

Nonstop1h 51m

$228

Sioux FallsChicago

FSD - ORD

FSDORD

Sioux Falls Joe Foss Field

Thu 5/7

7:39 pm-9:34 pm

Nonstop1h 55m

Chicago O'Hare Intl

Sun 5/10

12:54 pm-2:47 pm

Nonstop1h 53m

$229

Sioux FallsChicago

FSD - ORD

FSDORD

Sioux Falls Joe Foss Field

Sat 8/8

12:48 pm-2:33 pm

Nonstop1h 45m

Chicago O'Hare Intl

Fri 8/14

3:35 pm-5:37 pm

Nonstop2h 02m

$233

Sioux FallsChicago

FSD - ORD

FSDORD

Sioux Falls Joe Foss Field

Thu 4/2

7:42 pm-9:30 pm

Nonstop1h 48m

Chicago O'Hare Intl

Sun 4/5

5:19 pm-7:10 pm

Nonstop1h 51m

$244

Sioux FallsChicago

FSD - ORD

FSDORD

Sioux Falls Joe Foss Field

Tue 6/30

7:40 am-9:36 am

Nonstop1h 56m

Chicago O'Hare Intl

Mon 7/6

8:09 pm-10:07 pm

Nonstop1h 58m

$249

Sioux FallsChicago

FSD - MDW

FSDMDW

Sioux Falls Joe Foss Field

Wed 4/15

1:44 pm-6:36 pm

1 stop4h 52m

Chicago Midway

Sat 4/18

7:16 pm-11:02 pm

1 stop3h 46m

$249

Sioux FallsChicago

FSD - ORD

FSDORD

Sioux Falls Joe Foss Field

Fri 5/15

6:11 pm-9:31 am

1 stop15h 20m

Chicago O'Hare Intl

Wed 5/20

3:55 pm-6:12 pm

1 stop26h 17m

$256

Sioux FallsChicago

FSD - ORD

FSDORD

Sioux Falls Joe Foss Field

Fri 5/22

7:40 am-9:36 am

Nonstop1h 56m

Chicago O'Hare Intl

Sun 5/24

7:40 pm-9:38 pm

Nonstop1h 58m

$263

Sioux FallsChicago

FSD - MDW

FSDMDW

Sioux Falls Joe Foss Field

Sat 5/23

9:15 am-1:19 pm

1 stop4h 04m

Chicago Midway

Sun 5/24

9:23 am-12:49 pm

1 stop3h 26m

$269

Sioux FallsSt. Louis

FSD - STL

FSDSTL

Sioux Falls Joe Foss Field

Fri 6/5

4:29 pm-7:23 pm

1 stop26h 54m

Lambert-St Louis

Sun 6/7

8:08 pm-3:44 pm

1 stop19h 36m

$321

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 $244, 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 January 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 Illinois?

The cheapest day to depart from Sioux Falls to Illinois is on a Saturday when prices can be found for as low as $404. Flights from Sioux Falls to Illinois on a Monday will generally be more expensive and average around $631. 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 $371. Flights in the afternoon are often more expensive with an average ticket price of $488.

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 $297 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 $195 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

$337

Fastest flight time

1h 42m

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 $337. The best round-trip flight deal from Sioux Falls to Illinois found on momondo in the last 72 hours is $368.
The fastest flight from Sioux Falls to Illinois takes 1h 42m
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
7.1
11,467 reviews
Search American Airlines flights
United AirlinesPriceFrom $189Free CancellationRating
7.4
9,428 reviews
Search United Airlines 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 4/15
Wed 4/22

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