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Cheap flights from Decatur, Illinois to Chicago from $98

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Decatur, Illinois to Chicago departing on 10/21. 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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Find the cheapest flights from Decatur, Illinois to Chicago

Cheap round-trip flights

United Airlines Logo
9:42 am - 10:57 amDEC-ORD
1h 15mnonstop
United Airlines Logo
7:45 am - 8:51 amORD-DEC
1h 06mnonstop
$149United Airlines
Find Deal
Wed, Sep 24 - Sun, Sep 28
United Airlines Logo
9:38 am - 10:53 amDEC-ORD
1h 15mnonstop
United Airlines Logo
7:45 am - 8:51 amORD-DEC
1h 06mnonstop
$153United Airlines
Find Deal
Thu, Sep 25 - Sun, Sep 28
United Airlines Logo
9:38 am - 10:53 amDEC-ORD
1h 15mnonstop
United Airlines Logo
7:45 am - 8:51 amORD-DEC
1h 06mnonstop
$159United Airlines
Find Deal
Fri, Oct 3 - Fri, Oct 10
United Airlines Logo
9:38 am - 10:53 amDEC-ORD
1h 15mnonstop
United Airlines Logo
4:55 pm - 6:04 pmORD-DEC
1h 09mnonstop
$191United Airlines
Find Deal
Wed, Oct 15 - Wed, Oct 15
United Airlines Logo
9:42 am - 10:57 amDEC-ORD
1h 15mnonstop
United Airlines Logo
7:45 am - 8:51 amORD-DEC
1h 06mnonstop
$228United Airlines
Find Deal
Mon, Sep 22 - Thu, Sep 25
United Airlines Logo
9:42 am - 10:57 amDEC-ORD
1h 15mnonstop
United Airlines Logo
4:50 pm - 5:59 pmORD-DEC
1h 09mnonstop
$291United Airlines
Find Deal
Sun, Sep 21 - Sun, Sep 21

United Airlines flights from Decatur, Illinois to Chicago

Our best United Airlines deals on Decatur, Illinois to Chicago flight tickets
United Airlines
Sep 24
DEC9:42 amDecatur Arpt
1h 15m
ORD10:57 amChicago O'Hare Intl
Sep 28
ORD7:45 amChicago O'Hare Intl
1h 06m
DEC8:51 amDecatur Arpt
$149
Find similar
United Airlines
Sep 25
DEC9:38 amDecatur Arpt
1h 15m
ORD10:53 amChicago O'Hare Intl
Sep 28
ORD7:45 amChicago O'Hare Intl
1h 06m
DEC8:51 amDecatur Arpt
$153
Find similar
United Airlines
Oct 3
DEC9:38 amDecatur Arpt
1h 15m
ORD10:53 amChicago O'Hare Intl
Oct 10
ORD7:45 amChicago O'Hare Intl
1h 06m
DEC8:51 amDecatur Arpt
$159
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Decatur, Illinois to Chicago 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 September 11, 2025.
Use the filters below to find and compare flights from Decatur, Illinois to Chicago that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DecaturChicago

DEC - ORD

DECORD

Decatur Arpt

Wed 9/24

9:42 am-10:57 am

Nonstop1h 15m

Chicago O'Hare Intl

Sun 9/28

7:45 am-8:51 am

Nonstop1h 06m

$149

DecaturChicago

DEC - ORD

DECORD

Decatur Arpt

Thu 9/25

9:38 am-10:53 am

Nonstop1h 15m

Chicago O'Hare Intl

Sun 9/28

7:45 am-8:51 am

Nonstop1h 06m

$153

DecaturChicago

DEC - ORD

DECORD

Decatur Arpt

Fri 10/3

9:38 am-10:53 am

Nonstop1h 15m

Chicago O'Hare Intl

Fri 10/10

7:45 am-8:51 am

Nonstop1h 06m

$159

DecaturChicago

DEC - ORD

DECORD

Decatur Arpt

Wed 10/15

9:38 am-10:53 am

Nonstop1h 15m

Chicago O'Hare Intl

Wed 10/15

4:55 pm-6:04 pm

Nonstop1h 09m

$191

DecaturChicago

DEC - ORD

DECORD

Decatur Arpt

Mon 9/22

9:42 am-10:57 am

Nonstop1h 15m

Chicago O'Hare Intl

Thu 9/25

7:45 am-8:51 am

Nonstop1h 06m

$228

DecaturChicago

DEC - ORD

DECORD

Decatur Arpt

Sun 9/21

9:42 am-10:57 am

Nonstop1h 15m

Chicago O'Hare Intl

Sun 9/21

4:50 pm-5:59 pm

Nonstop1h 09m

$291

DecaturChicago

DEC - ORD

DECORD

Decatur Arpt

Tue 10/21

9:38 am-10:53 am

Nonstop1h 15m

$98

DecaturChicago

DEC - ORD

DECORD

Decatur Arpt

Fri 9/19

9:42 am-10:57 am

Nonstop1h 15m

$148

DecaturChicago

DEC - ORD

DECORD

Decatur Arpt

Tue 9/16

9:42 am-10:57 am

Nonstop1h 15m

$198

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Chicago from

How to get the cheapest flight ticket from Decatur, Illinois to Chicago

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 day to depart on your flight to Chicago?

The cheapest day to depart on your flight to Chicago is on a Tuesday when prices can be found for as low as $374. This is often the case because there is less demand to fly during this day of the week. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Decatur, Illinois to Chicago for around $543.

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

Our most recent data shows that the best time of day to fly to Chicago is at noon. Flights from Decatur, Illinois to Chicago during this time can be as low as $340. In contrast, the most expensive time of day to depart to Chicago is in the afternoon when prices are around $441.

What is the cheapest Decatur Arpt to Chicago flight route?

Fly from Decatur Arpt to Chicago O'Hare Intl for the best Decatur Arpt - Chicago flight prices

What cabin class options are available on Decatur Arpt to Chicago flights?

There are 2 cabin classes available to choose from on Decatur Arpt to Chicago flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

When to book flights from Decatur, Illinois to Chicago

Are you open to changing your travel dates? Check out the ideal times to fly from Decatur, Illinois to Chicago according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Decatur, Illinois to Chicago (DEC to CHI) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Decatur, Illinois to Chicago

Best Price Found

$279

Fastest flight time

1h 15m

Direct flights

Tue, Wed, Thu, Fri and Sat

Airports in Chicago

1 airport
The best one-way flight to Chicago from Decatur, Illinois in the past 72 hours is $279. The best round-trip flight deal from Decatur, Illinois to Chicago found on momondo in the last 72 hours is $314.
The fastest flight from Decatur, Illinois to Chicago takes 1h 15m
Direct flights go from Decatur, Illinois to Chicago on Tuesday, Wednesday, Thursday, Friday and Saturday. The only airline offering direct flights is United Airlines.
There is 1 airport near Chicago: Chicago O'Hare Intl (ORD)
Search flight deals

  • How far is Decatur Arpt to Chicago by plane?

    There are 156.7 mi between Decatur Arpt and Chicago. A reasonable flight in good conditions will take 1h 15m.

  • When did momondo last update prices for flights from Decatur Arpt Airport to Chicago?

    Prices for flights from Decatur Arpt Airport to Chicago refresh daily.

  • How many operators does momondo search for flights from Decatur Arpt Airport to Chicago?

  • How old do you have to be to fly from Decatur Arpt Airport to Chicago?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Decatur Arpt Airport to Chicago.

  • What documentation or ID do you need to fly to Chicago?

    The necessary travel and health documents for your Chicago trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Decatur, Illinois to Chicago?

Best airlines flying from Decatur, Illinois to Chicago

Compare and see reviews for airlines that fly from Decatur, Illinois to Chicago with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $148Free CancellationRating
7.4
8,937 reviews
Search United Airlines flights

  • United Airlines Flights From Decatur, Illinois to Chicago

    United Airlines is one of the most popular airlines flying from Decatur, Illinois to Chicago, operating 12 flights/week on average for this route. A good United Airlines flight deal for Decatur, Illinois to Chicago starts from $148 round-trip, up to an average price of $158. Our users have rated United Airlines at 7.4/10.

Traveling to a place near Chicago?

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Why use momondo?

Why should I use momondo to find a flight deal from Decatur to Chicago?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Decatur to Chicago for you.

Can I find flights from Decatur to Chicago with flexible booking policies on momondo?

momondo does allow users to show only those flights to Chicago from Decatur which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Decatur to Chicago?

Once you have performed a search for Decatur to Chicago 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 Decatur to Chicago right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Chicago from Decatur. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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Find better results for your trip to the United States

Fly into one of these airports located in Chicago

Airports listed have a maximum distance of 78.5 mi from Chicago
Chicago Midway Airport
Chicago O'Hare Intl Airport
Chicago Greater Rockford Airport