How many flights depart from Decatur, Illinois to Illinois on average per day?

1 flights are operational daily from Decatur, Illinois to Illinois as of September 2026. The most popular departure time for this route is 7:00PM, with 54% of flights per day taking off in the evening.

What is the cheapest airline that flies from Decatur Arpt to Illinois?

United Airlines is the most popular carrier operating from Decatur Arpt to Illinois

How many flights depart from Decatur, Illinois to Illinois on average per week?

The number of flights available between Decatur, Illinois and Illinois is 11 per week as of September 2026. The most frequent departure day is Mon, with 18% of weekly flights leaving on this day.

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

Prices for flights from Decatur Arpt Airport to Illinois are refreshed on a daily basis.

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

The number of operators available for flights from Decatur Arpt Airport to Illinois is 1 as of September 2026.

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Decatur Arpt 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.

$98 Cheap Flights from Decatur, Illinois to Illinois in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Decatur, Illinois to Illinois

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

9:42 am - 10:47 amDEC Decatur Arpt-ORD Chicago O'Hare Intl

1h 05mnonstop

7:45 am - 8:46 amORD Chicago O'Hare Intl-DEC Decatur Arpt

1h 01mnonstop

$149United Airlines

Fri, Feb 19 - Sun, Mar 7

9:12 am - 10:29 amDEC Decatur Arpt-ORD Chicago O'Hare Intl

1h 17mnonstop

5:30 pm - 6:43 pmORD Chicago O'Hare Intl-DEC Decatur Arpt

1h 13mnonstop

$149United Airlines

Fri, Oct 9 - Tue, Oct 13

6:57 pm - 8:25 pmDEC Decatur Arpt-ORD Chicago O'Hare Intl

1h 28mnonstop

7:25 am - 8:35 amORD Chicago O'Hare Intl-DEC Decatur Arpt

1h 10mnonstop

$149United Airlines

Sun, Nov 22 - Sat, Nov 28

6:57 pm - 8:25 pmDEC Decatur Arpt-ORD Chicago O'Hare Intl

1h 28mnonstop

5:00 pm - 6:10 pmORD Chicago O'Hare Intl-DEC Decatur Arpt

1h 10mnonstop

$159United Airlines

Sat, Nov 14 - Mon, Nov 16

7:18 pm - 8:35 pmDEC Decatur Arpt-ORD Chicago O'Hare Intl

1h 17mnonstop

7:25 am - 8:35 amORD Chicago O'Hare Intl-DEC Decatur Arpt

1h 10mnonstop

$159United Airlines

Sat, Oct 10 - Wed, Oct 14

9:12 am - 10:29 amDEC Decatur Arpt-ORD Chicago O'Hare Intl

1h 17mnonstop

7:25 am - 8:35 amORD Chicago O'Hare Intl-DEC Decatur Arpt

1h 10mnonstop

$159United Airlines

Thu, Oct 15 - Mon, Oct 19

6:55 pm - 8:00 pmDEC Decatur Arpt-ORD Chicago O'Hare Intl

1h 05mnonstop

7:45 am - 8:46 amORD Chicago O'Hare Intl-DEC Decatur Arpt

1h 01mnonstop

$159United Airlines

Thu, Mar 25 - Thu, Apr 8

9:42 am - 10:47 amDEC Decatur Arpt-ORD Chicago O'Hare Intl

1h 05mnonstop

7:45 am - 8:46 amORD Chicago O'Hare Intl-DEC Decatur Arpt

1h 01mnonstop

$159United Airlines

Thu, Jan 7 - Mon, Jan 11

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United Airlines flights from Decatur, Illinois to Illinois

Our best United Airlines deals on Decatur, Illinois to Illinois flight tickets

United Airlines

Oct 9

DEC9:12 amDecatur Arpt

1h 17m

ORD10:29 amChicago O'Hare Intl

Oct 13

ORD5:30 pmChicago O'Hare Intl

1h 13m

DEC6:43 pmDecatur Arpt

$149

United Airlines

Jan 7

DEC9:42 amDecatur Arpt

1h 05m

ORD10:47 amChicago O'Hare Intl

Jan 11

ORD7:45 amChicago O'Hare Intl

1h 01m

DEC8:46 amDecatur Arpt

$159

United Airlines

Oct 8

DEC7:18 pmDecatur Arpt

1h 17m

ORD8:35 pmChicago O'Hare Intl

Oct 16

ORD5:30 pmChicago O'Hare Intl

1h 13m

DEC6:43 pmDecatur Arpt

$174

momondo Fare Finder

Use the filters below to find and compare flights from Decatur, Illinois to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

DecaturChicago

DEC Decatur Arpt - ORD Chicago O'Hare Intl

DECORD

Decatur Arpt

Fri 2/19

9:42 am-10:47 am

Nonstop1h 05m

Chicago O'Hare Intl

Sun 3/7

7:45 am-8:46 am

Nonstop1h 01m

$149

DecaturChicago

DEC Decatur Arpt - ORD Chicago O'Hare Intl

DECORD

Decatur Arpt

Fri 10/9

9:12 am-10:29 am

Nonstop1h 17m

Chicago O'Hare Intl

Tue 10/13

5:30 pm-6:43 pm

Nonstop1h 13m

$149

DecaturChicago

DEC Decatur Arpt - ORD Chicago O'Hare Intl

DECORD

Decatur Arpt

Sun 11/22

6:57 pm-8:25 pm

Nonstop1h 28m

Chicago O'Hare Intl

Sat 11/28

7:25 am-8:35 am

Nonstop1h 10m

$149

DecaturChicago

DEC Decatur Arpt - ORD Chicago O'Hare Intl

DECORD

Decatur Arpt

Sat 11/14

6:57 pm-8:25 pm

Nonstop1h 28m

Chicago O'Hare Intl

Mon 11/16

5:00 pm-6:10 pm

Nonstop1h 10m

$159

DecaturChicago

DEC Decatur Arpt - ORD Chicago O'Hare Intl

DECORD

Decatur Arpt

Sat 10/10

7:18 pm-8:35 pm

Nonstop1h 17m

Chicago O'Hare Intl

Wed 10/14

7:25 am-8:35 am

Nonstop1h 10m

$159

DecaturChicago

DEC Decatur Arpt - ORD Chicago O'Hare Intl

DECORD

Decatur Arpt

Thu 10/15

9:12 am-10:29 am

Nonstop1h 17m

Chicago O'Hare Intl

Mon 10/19

7:25 am-8:35 am

Nonstop1h 10m

$159

DecaturChicago

DEC Decatur Arpt - ORD Chicago O'Hare Intl

DECORD

Decatur Arpt

Thu 3/25

6:55 pm-8:00 pm

Nonstop1h 05m

Chicago O'Hare Intl

Thu 4/8

7:45 am-8:46 am

Nonstop1h 01m

$159

DecaturChicago

DEC Decatur Arpt - ORD Chicago O'Hare Intl

DECORD

Decatur Arpt

Thu 1/7

9:42 am-10:47 am

Nonstop1h 05m

Chicago O'Hare Intl

Mon 1/11

7:45 am-8:46 am

Nonstop1h 01m

$159

Cheapest one-way

DecaturChicago

DEC Decatur Arpt - ORD Chicago O'Hare Intl

DECORD

Decatur Arpt

Thu 10/22

7:18 pm-8:35 pm

Nonstop1h 17m

$98

DecaturChicago

DEC Decatur Arpt - ORD Chicago O'Hare Intl

DECORD

Decatur Arpt

Fri 11/20

6:57 pm-8:25 pm

Nonstop1h 28m

$98

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first

How to get the cheapest flight ticket from Decatur, Illinois 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

Prices

Airlines

Other information

What is the cheapest month to fly to Illinois?

The cheapest month to fly to Illinois from Decatur, Illinois is in December. Flight prices, which tend to average around $0, 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 December, then flying in June is also cheap. Prices for this month can be found on momondo for an average of $148.

What is the cheapest day to depart on your flight to Illinois?

The cheapest day to depart from Decatur, Illinois to Illinois is on a Wednesday when prices can be found for as low as $384. Flights from Decatur, Illinois to Illinois on a Sunday will generally be more expensive and average around $604. 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 Decatur, Illinois to Illinois during this time can be as low as $304. Flights in the afternoon are often more expensive with an average ticket price of $848.

What is the cheapest Decatur Arpt to Illinois flight route?

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

What cabin class options are available on Decatur, Illinois to Illinois flights?

There are 3 cabin classes available to choose from on Decatur, Illinois to Illinois flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap Decatur, Illinois to Illinois flight deals and tips

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

Best Price Found	$98
Fastest flight time	1h 05m
Direct flights	Mon, Fri and Sat
Airports in Illinois	98 airports

The best one-way flight to Illinois from Decatur, Illinois in the past 72 hours is $98. The best round-trip flight deal from Decatur, Illinois to Illinois found on momondo in the last 72 hours is $149.

The fastest flight from Decatur, Illinois to Illinois takes 1h 05m

Direct flights go from Decatur, Illinois to Illinois on Monday, Friday and Saturday. There are no airlines offering direct flights.

There are 98 airports in Illinois. From Decatur, Illinois there are direct flights to Chicago O'Hare Intl (ORD).

Search flight deals

Frequently asked questions about flying from Decatur, Illinois to Illinois

When did momondo last update prices for flights from Decatur Arpt Airport to Illinois?
Prices for flights from Decatur Arpt Airport to Illinois are refreshed on a daily basis.
How many operators does momondo search for flights from Decatur Arpt Airport to Illinois?
The number of operators available for flights from Decatur Arpt Airport to Illinois is 1 as of September 2026.
How old do you have to be to fly from Decatur Arpt Airport to Illinois?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Decatur Arpt 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 Decatur, Illinois to Illinois?
momondo data reveals that the most frequently booked plane model on the route from Decatur, Illinois to Illinois is Canadair (Bombardier) Regional Jet, representing 40.00% of all bookings. The subsequent popular models are Canadair (Bombardier) Regional Jet 900 at 13.33%, Canadair (Bombardier) Regional Jet 200 at 6.67%, and Airbus A220-100 at 6.67%.

Best airlines flying from Decatur, Illinois to Illinois

Compare and see reviews for airlines that fly from Decatur, Illinois to Illinois with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $148	Free Cancellation	Rating 7.4 10,246 reviews		Search United Airlines flights

Why use momondo?

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

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 Illinois for you.

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

All flight searches from Decatur to Illinois on momondo can be filtered to show those which offer flexible booking policies.

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

momondo helps you find the best flight between Decatur and Illinois by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

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