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Cheap flights from Decatur, Illinois to Illinois 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 Illinois departing on 1/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Decatur, Illinois to Illinois

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
7:09 pm - 8:25 pm
DEC
-
ORD
1h 16mnonstop
United Airlines Logo
7:45 am - 9:05 am
ORD
-
DEC
1h 20mnonstop
$149United Airlines
to., jan. 1 - ma., jan. 5
United Airlines Logo
9:44 am - 11:00 am
DEC
-
ORD
1h 16mnonstop
United Airlines Logo
7:45 am - 9:05 am
ORD
-
DEC
1h 20mnonstop
$159United Airlines
on., des. 31 - sø., jan. 4
United Airlines Logo
9:44 am - 11:00 am
DEC
-
ORD
1h 16mnonstop
United Airlines Logo
7:45 am - 9:05 am
ORD
-
DEC
1h 20mnonstop
$191United Airlines
ma., jan. 5 - to., jan. 8

United Airlines flights from Decatur, Illinois to Illinois

Our best United Airlines deals on Decatur, Illinois to Illinois flight tickets
United Airlines
Jan 1
DEC7:09 pmDecatur Arpt
1h 16m
ORD8:25 pmChicago O'Hare Intl
Jan 5
ORD4:50 pmChicago O'Hare Intl
1h 09m
DEC5:59 pmDecatur Arpt
$149
Find similar
United Airlines
Feb 14
DEC7:15 pmDecatur Arpt
1h 10m
ORD8:25 pmChicago O'Hare Intl
Feb 17
ORD4:50 pmChicago O'Hare Intl
1h 04m
DEC5:54 pmDecatur Arpt
$159
Find similar
United Airlines
Dec 25
DEC9:44 amDecatur Arpt
1h 16m
ORD11:00 amChicago O'Hare Intl
Jan 1
ORD4:50 pmChicago O'Hare Intl
1h 09m
DEC5:59 pmDecatur Arpt
$174
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Decatur, Illinois 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 Desember 18, 2025.
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

DecaturChicago

DEC - ORD

DECORD

Decatur Arpt

to. 1/1

7:09 pm-8:25 pm

Nonstop1h 16m

Chicago O'Hare Intl

ma. 1/5

7:45 am-9:05 am

Nonstop1h 20m

$149

DecaturChicago

DEC - ORD

DECORD

Decatur Arpt

on. 12/31

9:44 am-11:00 am

Nonstop1h 16m

Chicago O'Hare Intl

sø. 1/4

7:45 am-9:05 am

Nonstop1h 20m

$159

DecaturChicago

DEC - ORD

DECORD

Decatur Arpt

ma. 1/5

9:44 am-11:00 am

Nonstop1h 16m

Chicago O'Hare Intl

to. 1/8

7:45 am-9:05 am

Nonstop1h 20m

$191

DecaturChicago

DEC - ORD

DECORD

Decatur Arpt

lø. 1/3

9:44 am-11:00 am

Nonstop1h 16m

$98

DecaturChicago

DEC - ORD

DECORD

Decatur Arpt

sø. 12/28

9:44 am-11:00 am

Nonstop1h 16m

$148

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Illinois from

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

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 Tuesday when prices can be found for as low as $365. Flights from Decatur, Illinois to Illinois on a Sunday will generally be more expensive and average around $573. 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 at noon. Flights from Decatur, Illinois to Illinois during this time can be as low as $339. Flights in the evening are often more expensive with an average ticket price of $437.

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 Arpt to Illinois flights?

There are 2 cabin classes available to choose from on Decatur Arpt 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

$238

Fastest flight time

1h 05m

Direct flights

Mon, Tue, Thu, Fri and Sun

Airports in Illinois

98 airports
The best one-way flight to Illinois from Decatur, Illinois in the past 72 hours is $238. The best round-trip flight deal from Decatur, Illinois to Illinois found on momondo in the last 72 hours is $304.
The fastest flight from Decatur, Illinois to Illinois takes 1h 05m
Direct flights go from Decatur, Illinois to Illinois on Monday, Tuesday, Thursday, Friday and Sunday. The only airline offering direct flights is United Airlines.
There are 98 airports in Illinois. From Decatur, Illinois there are direct flights to Chicago O'Hare Intl (ORD).
Search flight deals

  • 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?

  • 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?

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 AirlinesPriceFrom $148Free CancellationRating
7.4
9,091 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.

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lø. 1/17
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