Cheap flights from Sioux Falls to Illinois from $116

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 8/12. 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

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Sioux Falls to Illinois

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
12:06 pm - 2:05 pm
FSD
-
ORD
1h 59mnonstop
American Airlines Logo
9:40 am - 11:36 am
ORD
-
FSD
1h 56mnonstop
$249American Airlines
Fri, Sep 4 - Tue, Sep 8
United Airlines Logo
7:50 am - 9:42 am
FSD
-
ORD
1h 52mnonstop
United Airlines Logo
9:20 pm - 11:11 pm
ORD
-
FSD
1h 51mnonstop
$257United Airlines
Fri, Oct 9 - Mon, Oct 12
United Airlines Logo
7:50 am - 9:42 am
FSD
-
ORD
1h 52mnonstop
United Airlines Logo
7:45 pm - 9:43 pm
ORD
-
FSD
1h 58mnonstop
$258United Airlines
Fri, Oct 23 - Sun, Oct 25
American Airlines Logo
6:00 am - 1:25 pm
FSD
-
ORD
7h 25m
1 stop
American Airlines Logo
3:00 pm - 4:53 pm
ORD
-
FSD
1h 53mnonstop
$259American Airlines
Fri, Jul 3 - Fri, Aug 7
American Airlines Logo
5:34 pm - 12:50 am
FSD
-
ORD
7h 16m
1 stop
American Airlines Logo
10:30 pm - 12:18 am
ORD
-
FSD
1h 48mnonstop
$260American Airlines
Sun, Jul 26 - Sun, Aug 2
United Airlines Logo
6:28 pm - 8:26 pm
FSD
-
ORD
1h 58mnonstop
United Airlines Logo
9:30 pm - 11:31 pm
ORD
-
FSD
2h 01mnonstop
$262United Airlines
Fri, Jul 31 - Tue, Aug 4
Delta Logo
1:20 pm - 6:05 pm
FSD
-
MDW
4h 45m
1 stop
Delta Logo
6:45 pm - 10:46 pm
MDW
-
FSD
4h 01m
1 stop
$269Delta
Fri, Sep 11 - Sun, Sep 13
Delta Logo
5:12 am - 8:35 am
FSD
-
ORD
3h 23m
1 stop
Delta Logo
6:00 am - 12:38 pm
ORD
-
FSD
6h 38m
1 stop
$269Delta
Fri, Jul 3 - Fri, Aug 7
Frontier Logo
8:08 pm - 7:23 pm
FSD
-
STL
23h 15m
1 stop
Frontier Logo
8:08 pm - 7:23 pm
STL
-
FSD
23h 15m
1 stop
$273Frontier
Fri, Jul 10 - Thu, Jul 16
Frontier Logo
8:08 pm - 7:23 pm
FSD
-
STL
23h 15m
1 stop
Frontier Logo
8:08 pm - 7:23 pm
STL
-
FSD
23h 15m
1 stop
$330Frontier
Fri, Jul 10 - Thu, Jul 16

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

American Airlines flights from Sioux Falls to Illinois

Our best American Airlines deals on Sioux Falls to Illinois flight tickets
American Airlines
Sep 4
FSD12:06 pmSioux Falls Joe Foss Field
1h 59m
ORD2:05 pmChicago O'Hare Intl
Sep 8
ORD9:40 amChicago O'Hare Intl
1h 56m
FSD11:36 amSioux Falls Joe Foss Field
$249
American Airlines
Jul 3
FSD6:00 amSioux Falls Joe Foss Field
7h 25m
1 stop
ORD1:25 pmChicago O'Hare Intl
Aug 7
ORD3:00 pmChicago O'Hare Intl
1h 53m
FSD4:53 pmSioux Falls Joe Foss Field
$259
American Airlines
Jul 26
FSD5:34 pmSioux Falls Joe Foss Field
7h 16m
1 stop
ORD12:50 amChicago O'Hare Intl
Aug 2
ORD10:30 pmChicago O'Hare Intl
1h 48m
FSD12:18 amSioux Falls Joe Foss Field
$260

United Airlines flights from Sioux Falls to Illinois

Our best United Airlines deals on Sioux Falls to Illinois flight tickets
United Airlines
Oct 9
FSD7:50 amSioux Falls Joe Foss Field
1h 52m
ORD9:42 amChicago O'Hare Intl
Oct 12
ORD9:20 pmChicago O'Hare Intl
1h 51m
FSD11:11 pmSioux Falls Joe Foss Field
$257
United Airlines
Oct 23
FSD7:50 amSioux Falls Joe Foss Field
1h 52m
ORD9:42 amChicago O'Hare Intl
Oct 25
ORD7:45 pmChicago O'Hare Intl
1h 58m
FSD9:43 pmSioux Falls Joe Foss Field
$258
United Airlines
Jul 31
FSD6:28 pmSioux Falls Joe Foss Field
1h 58m
ORD8:26 pmChicago O'Hare Intl
Aug 4
ORD9:30 pmChicago O'Hare Intl
2h 01m
FSD11:31 pmSioux Falls Joe Foss Field
$262

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 June 15, 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

Sioux FallsChicago

FSD - ORD

FSDORD

Sioux Falls Joe Foss Field

Fri 9/4

12:06 pm-2:05 pm

Nonstop1h 59m

Chicago O'Hare Intl

Tue 9/8

9:40 am-11:36 am

Nonstop1h 56m

$249
Quickest round-trip

Sioux FallsChicago

FSD - ORD

FSDORD

Sioux Falls Joe Foss Field

Fri 10/9

7:50 am-9:42 am

Nonstop1h 52m

Chicago O'Hare Intl

Mon 10/12

9:20 pm-11:11 pm

Nonstop1h 51m

$257

Sioux FallsChicago

FSD - ORD

FSDORD

Sioux Falls Joe Foss Field

Fri 10/23

7:50 am-9:42 am

Nonstop1h 52m

Chicago O'Hare Intl

Sun 10/25

7:45 pm-9:43 pm

Nonstop1h 58m

$258

Sioux FallsChicago

FSD - ORD

FSDORD

Sioux Falls Joe Foss Field

Fri 7/3

6:00 am-1:25 pm

1 stop7h 25m

Chicago O'Hare Intl

Fri 8/7

3:00 pm-4:53 pm

Nonstop1h 53m

$259

Sioux FallsChicago

FSD - ORD

FSDORD

Sioux Falls Joe Foss Field

Sun 7/26

5:34 pm-12:50 am

1 stop7h 16m

Chicago O'Hare Intl

Sun 8/2

10:30 pm-12:18 am

Nonstop1h 48m

$260

Sioux FallsChicago

FSD - ORD

FSDORD

Sioux Falls Joe Foss Field

Fri 7/31

6:28 pm-8:26 pm

Nonstop1h 58m

Chicago O'Hare Intl

Tue 8/4

9:30 pm-11:31 pm

Nonstop2h 01m

$262

Sioux FallsChicago

FSD - MDW

FSDMDW

Sioux Falls Joe Foss Field

Fri 9/11

1:20 pm-6:05 pm

1 stop4h 45m

Chicago Midway

Sun 9/13

6:45 pm-10:46 pm

1 stop4h 01m

$269

Sioux FallsChicago

FSD - ORD

FSDORD

Sioux Falls Joe Foss Field

Fri 7/3

5:12 am-8:35 am

1 stop3h 23m

Chicago O'Hare Intl

Fri 8/7

6:00 am-12:38 pm

1 stop6h 38m

$269

Sioux FallsSt. Louis

FSD - STL

FSDSTL

Sioux Falls Joe Foss Field

Fri 7/10

8:08 pm-7:23 pm

1 stop23h 15m

Lambert-St Louis

Thu 7/16

8:08 pm-7:23 pm

1 stop23h 15m

$273

Sioux FallsSt. Louis

FSD - STL

FSDSTL

Sioux Falls Joe Foss Field

Fri 7/10

8:08 pm-7:23 pm

1 stop23h 15m

Lambert-St Louis

Thu 7/16

8:08 pm-7:23 pm

1 stop23h 15m

$330

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 April. Flight prices, which tend to average around $151, 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 April, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $154.

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 $407. Flights from Sioux Falls to Illinois on a Monday will generally be more expensive and average around $675. 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 $383. Flights in the afternoon are often more expensive with an average ticket price of $486.

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 from Sioux Falls 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 $311 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 $248 on momondo.

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

There are 4 cabin classes available to choose from on Sioux Falls 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

$318

Fastest flight time

1h 52m

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 $318. The best round-trip flight deal from Sioux Falls to Illinois found on momondo in the last 72 hours is $395.
The fastest flight from Sioux Falls to Illinois takes 1h 52m
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).

Frequently asked questions about flying from Sioux Falls 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?

  • 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
11,660 reviews
Search American Airlines flights
United AirlinesPriceFrom $189Free CancellationRating
7.4
9,830 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.

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.
1 adult
Wed 7/15
Wed 7/22

Find better results for your trip to Illinois

Popular cities in Illinois

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