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

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

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

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

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

The number of flights available between Decatur, Illinois and Chicago is 1 per day as of November 2026. The most frequent departure time is 6:00PM, with 54% of daily flights leaving in the evening.

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?

As of November 2026, there is 1 operator available to choose from 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.

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

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Decatur, Illinois to Chicago

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

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

1h 28mnonstop

6:59 am - 8:09 amORD Chicago O'Hare Intl-DEC Decatur Arpt

1h 10mnonstop

$149United Airlines

Fri, Nov 27 - Sun, Nov 29

9:10 am - 10:19 amDEC Decatur Arpt-ORD Chicago O'Hare Intl

1h 09mnonstop

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

1h 10mnonstop

$149United Airlines

Fri, Nov 20 - Tue, Nov 24

9:10 am - 10:19 amDEC Decatur Arpt-ORD Chicago O'Hare Intl

1h 09mnonstop

6:59 am - 8:09 amORD Chicago O'Hare Intl-DEC Decatur Arpt

1h 10mnonstop

$149United Airlines

Sun, Nov 22 - Thu, Nov 26

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

$149United Airlines

Wed, Nov 18 - Sun, Nov 22

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

1h 28mnonstop

6:59 am - 8:09 amORD Chicago O'Hare Intl-DEC Decatur Arpt

1h 10mnonstop

$149United Airlines

Sat, Nov 28 - Sun, Nov 29

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 21 - Wed, Nov 25

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

1h 28mnonstop

6:59 am - 8:09 amORD Chicago O'Hare Intl-DEC Decatur Arpt

1h 10mnonstop

$159United Airlines

Fri, Nov 27 - Mon, Nov 30

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

Mon, Nov 23 - Fri, Nov 27

8:31 am - 9:40 amDEC Decatur Arpt-ORD Chicago O'Hare Intl

1h 09mnonstop

4:40 pm - 5:56 pmORD Chicago O'Hare Intl-DEC Decatur Arpt

1h 16mnonstop

$159United Airlines

Wed, Dec 9 - Thu, Dec 17

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United Airlines flights from Decatur, Illinois to Chicago

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

United Airlines

Nov 18

DEC6:57 pmDecatur Arpt

1h 28m

ORD8:25 pmChicago O'Hare Intl

Nov 22

ORD5:00 pmChicago O'Hare Intl

1h 10m

DEC6:10 pmDecatur Arpt

$149

United Airlines

Apr 8

DEC6:55 pmDecatur Arpt

1h 05m

ORD8:00 pmChicago O'Hare Intl

Apr 11

ORD4:50 pmChicago O'Hare Intl

1h 01m

DEC5:51 pmDecatur Arpt

$159

United Airlines

Nov 13

DEC6:57 pmDecatur Arpt

1h 28m

ORD8:25 pmChicago O'Hare Intl

Nov 19

ORD6:59 amChicago O'Hare Intl

1h 10m

DEC8:09 amDecatur Arpt

$174

momondo Fare Finder

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

Cheapest round-trip

DecaturChicago

DEC Decatur Arpt - ORD Chicago O'Hare Intl

DECORD

Decatur Arpt

Fri 11/27

6:57 pm-8:25 pm

Nonstop1h 28m

Chicago O'Hare Intl

Sun 11/29

6:59 am-8:09 am

Nonstop1h 10m

$149

Quickest round-trip

DecaturChicago

DEC Decatur Arpt - ORD Chicago O'Hare Intl

DECORD

Decatur Arpt

Fri 11/20

9:10 am-10:19 am

Nonstop1h 09m

Chicago O'Hare Intl

Tue 11/24

7:25 am-8:35 am

Nonstop1h 10m

$149

DecaturChicago

DEC Decatur Arpt - ORD Chicago O'Hare Intl

DECORD

Decatur Arpt

Sun 11/22

9:10 am-10:19 am

Nonstop1h 09m

Chicago O'Hare Intl

Thu 11/26

6:59 am-8:09 am

Nonstop1h 10m

$149

DecaturChicago

DEC Decatur Arpt - ORD Chicago O'Hare Intl

DECORD

Decatur Arpt

Wed 11/18

6:57 pm-8:25 pm

Nonstop1h 28m

Chicago O'Hare Intl

Sun 11/22

5:00 pm-6:10 pm

Nonstop1h 10m

$149

DecaturChicago

DEC Decatur Arpt - ORD Chicago O'Hare Intl

DECORD

Decatur Arpt

Sat 11/28

6:57 pm-8:25 pm

Nonstop1h 28m

Chicago O'Hare Intl

Sun 11/29

6:59 am-8:09 am

Nonstop1h 10m

$149

DecaturChicago

DEC Decatur Arpt - ORD Chicago O'Hare Intl

DECORD

Decatur Arpt

Sat 11/21

6:57 pm-8:25 pm

Nonstop1h 28m

Chicago O'Hare Intl

Wed 11/25

5:00 pm-6:10 pm

Nonstop1h 10m

$159

DecaturChicago

DEC Decatur Arpt - ORD Chicago O'Hare Intl

DECORD

Decatur Arpt

Fri 11/27

6:57 pm-8:25 pm

Nonstop1h 28m

Chicago O'Hare Intl

Mon 11/30

6:59 am-8:09 am

Nonstop1h 10m

$159

DecaturChicago

DEC Decatur Arpt - ORD Chicago O'Hare Intl

DECORD

Decatur Arpt

Mon 11/23

6:57 pm-8:25 pm

Nonstop1h 28m

Chicago O'Hare Intl

Fri 11/27

5:00 pm-6:10 pm

Nonstop1h 10m

$159

DecaturChicago

DEC Decatur Arpt - ORD Chicago O'Hare Intl

DECORD

Decatur Arpt

Wed 12/9

8:31 am-9:40 am

Nonstop1h 09m

Chicago O'Hare Intl

Thu 12/17

4:40 pm-5:56 pm

Nonstop1h 16m

$159

Cheapest one-way

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 13 resultsSorted by cheapest first

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

Prices

Airlines

Other information

What is the cheapest month to fly to Chicago?

The month of December is, on average, the cheapest month to fly to Chicago from Decatur, Illinois, with most prices found around $0. If you’re not able to fly to Chicago in December, then June is your next best option. Flight prices from Decatur, Illinois to Chicago during June average around $148.

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 Wednesday when prices can be found for as low as $395. 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 $604.

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 in the evening. Flights from Decatur, Illinois to Chicago during this time can be as low as $304. In contrast, the most expensive time of day to depart to Chicago is in the afternoon when prices are around $848.

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, Illinois to Chicago flights?

There are 3 cabin classes available to choose from on Decatur, Illinois 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	$98
Fastest flight time	1h 05m
Direct flights	Wed, Thu, Fri and Sat
Airports in Chicago	3 airports

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

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

Direct flights go from Decatur, Illinois to Chicago on Wednesday, Thursday, Friday and Saturday. The only airline offering direct flights is United Airlines.

There are 3 airports in Chicago. From Decatur, Illinois there are direct flights to Chicago O'Hare Intl (ORD).

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Frequently asked questions about flying from Decatur, Illinois to Chicago

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 05m.
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?
As of November 2026, there is 1 operator available to choose from 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?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Decatur, Illinois to Chicago is Canadair (Bombardier) Regional Jet 200 (47.62% of total bookings). The next most popular plane models are Canadair (Bombardier) Regional Jet (9.52%), Canadair (Bombardier) Regional Jet 900 (9.52%), and Boeing 737 MAX 8 (4.76%).

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 Airlines	PriceFrom $148	Free Cancellation	Rating 7.3 10,469 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 11 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 $194. Our users have rated United Airlines at 7.3/10.

Merrillville

New Buffalo

Hammond

Portage

Lansing

Saint Joseph

Benton Harbor

Valparaiso

Schererville

Munster

Chesterton

Monticello

Crown Point

Porter

Griffith

Saint John

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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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 11/20. 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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United Airlines flights from Decatur, Illinois to Chicago

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

What is the cheapest month to fly to Chicago?

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

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

What is the cheapest Decatur Arpt to Chicago flight route?

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

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

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

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

When to book flights from Decatur, Illinois to Chicago

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

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Frequently asked questions about flying from Decatur, Illinois to Chicago

Best airlines flying from Decatur, Illinois to Chicago

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Traveling to a place near Chicago?

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An easier way to manage your Chicago trip

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Fly into one of these airports located in Chicago

Airports listed have a maximum distance of 78.5 mi from Chicago

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List of cabin classes available on flights landing in Chicago. Availability may vary depending on flight origin and airline.

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