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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 9/19. 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 Decatur, Illinois to Chicago

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
7:20 pm - 8:37 pmDEC  Decatur Arpt-ORD Chicago O'Hare Intl
1h 17mnonstop
United Airlines Logo
5:30 pm - 6:44 pmORD  Chicago O'Hare Intl-DEC Decatur Arpt
1h 14mnonstop
$149United Airlines
Thu, Sep 10 - Thu, Sep 17
United Airlines Logo
7:20 pm - 8:37 pmDEC  Decatur Arpt-ORD Chicago O'Hare Intl
1h 17mnonstop
United Airlines Logo
7:25 am - 8:35 amORD  Chicago O'Hare Intl-DEC Decatur Arpt
1h 10mnonstop
$149United Airlines
Mon, Sep 21 - Mon, Sep 28
United Airlines Logo
7:20 pm - 8:37 pmDEC  Decatur Arpt-ORD Chicago O'Hare Intl
1h 17mnonstop
United Airlines Logo
6:27 am - 7:37 amORD  Chicago O'Hare Intl-DEC Decatur Arpt
1h 10mnonstop
$149United Airlines
Sat, Aug 15 - Fri, Aug 21
United Airlines Logo
9:12 am - 10:29 amDEC  Decatur Arpt-ORD Chicago O'Hare Intl
1h 17mnonstop
United Airlines Logo
4:45 pm - 5:59 pmORD  Chicago O'Hare Intl-DEC Decatur Arpt
1h 14mnonstop
$149United Airlines
Sun, Aug 30 - Sun, Sep 6
United Airlines Logo
7:20 pm - 8:37 pmDEC  Decatur Arpt-ORD Chicago O'Hare Intl
1h 17mnonstop
United Airlines Logo
5:30 pm - 6:43 pmORD  Chicago O'Hare Intl-DEC Decatur Arpt
1h 13mnonstop
$149United Airlines
Sat, Sep 19 - Mon, Sep 28
United Airlines Logo
7:20 pm - 8:37 pmDEC  Decatur Arpt-ORD Chicago O'Hare Intl
1h 17mnonstop
United Airlines Logo
4:45 pm - 5:59 pmORD  Chicago O'Hare Intl-DEC Decatur Arpt
1h 14mnonstop
$159United Airlines
Thu, Sep 3 - Sun, Sep 6
United Airlines Logo
7:20 pm - 8:37 pmDEC  Decatur Arpt-ORD Chicago O'Hare Intl
1h 17mnonstop
United Airlines Logo
4:45 pm - 5:59 pmORD  Chicago O'Hare Intl-DEC Decatur Arpt
1h 14mnonstop
$159United Airlines
Thu, Aug 20 - Sun, Aug 23

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United Airlines flights from Decatur, Illinois to Chicago O'Hare Intl Airport

Our best United Airlines deals on Decatur, Illinois to Chicago O'Hare Intl Airport flight tickets
United Airlines
Sep 10
DEC7:20 pmDecatur Arpt
1h 17m
ORD8:37 pmChicago O'Hare Intl
Sep 17
ORD5:30 pmChicago O'Hare Intl
1h 14m
DEC6:44 pmDecatur Arpt
$149
United Airlines
Sep 3
DEC7:20 pmDecatur Arpt
1h 17m
ORD8:37 pmChicago O'Hare Intl
Sep 6
ORD4:45 pmChicago O'Hare Intl
1h 14m
DEC5:59 pmDecatur Arpt
$159
United Airlines
Aug 12
DEC9:12 amDecatur Arpt
1h 17m
ORD10:29 amChicago O'Hare Intl
Aug 22
ORD4:45 pmChicago O'Hare Intl
1h 14m
DEC5:59 pmDecatur Arpt
$174

momondo Fare Finder

 
Customize your flight search to find flights from Decatur, Illinois to Chicago O'Hare Intl Airport 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 August 6, 2026.
Use the filters below to find and compare flights from Decatur, Illinois to Chicago O'Hare Intl Airport 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

Thu 9/10

7:20 pm-8:37 pm

Nonstop1h 17m

Chicago O'Hare Intl

Thu 9/17

5:30 pm-6:44 pm

Nonstop1h 14m

$149
Quickest round-trip

DecaturChicago

DEC Decatur Arpt - ORD Chicago O'Hare Intl

DECORD

Decatur Arpt

Mon 9/21

7:20 pm-8:37 pm

Nonstop1h 17m

Chicago O'Hare Intl

Mon 9/28

7:25 am-8:35 am

Nonstop1h 10m

$149

DecaturChicago

DEC Decatur Arpt - ORD Chicago O'Hare Intl

DECORD

Decatur Arpt

Sat 8/15

7:20 pm-8:37 pm

Nonstop1h 17m

Chicago O'Hare Intl

Fri 8/21

6:27 am-7:37 am

Nonstop1h 10m

$149

DecaturChicago

DEC Decatur Arpt - ORD Chicago O'Hare Intl

DECORD

Decatur Arpt

Sun 8/30

9:12 am-10:29 am

Nonstop1h 17m

Chicago O'Hare Intl

Sun 9/6

4:45 pm-5:59 pm

Nonstop1h 14m

$149

DecaturChicago

DEC Decatur Arpt - ORD Chicago O'Hare Intl

DECORD

Decatur Arpt

Sat 9/19

7:20 pm-8:37 pm

Nonstop1h 17m

Chicago O'Hare Intl

Mon 9/28

5:30 pm-6:43 pm

Nonstop1h 13m

$149

DecaturChicago

DEC Decatur Arpt - ORD Chicago O'Hare Intl

DECORD

Decatur Arpt

Thu 9/3

7:20 pm-8:37 pm

Nonstop1h 17m

Chicago O'Hare Intl

Sun 9/6

4:45 pm-5:59 pm

Nonstop1h 14m

$159

DecaturChicago

DEC Decatur Arpt - ORD Chicago O'Hare Intl

DECORD

Decatur Arpt

Thu 8/20

7:20 pm-8:37 pm

Nonstop1h 17m

Chicago O'Hare Intl

Sun 8/23

4:45 pm-5:59 pm

Nonstop1h 14m

$159
Cheapest one-way
Quickest one-way

DecaturChicago

DEC Decatur Arpt - ORD Chicago O'Hare Intl

DECORD

Decatur Arpt

Sat 9/19

7:20 pm-8:37 pm

Nonstop1h 17m

$98

DecaturChicago

DEC Decatur Arpt - ORD Chicago O'Hare Intl

DECORD

Decatur Arpt

Thu 8/27

9:12 am-10:29 am

Nonstop1h 17m

$98

DecaturChicago

DEC Decatur Arpt - ORD Chicago O'Hare Intl

DECORD

Decatur Arpt

Sat 10/3

7:18 pm-8:35 pm

Nonstop1h 17m

$98

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 11 resultsSorted by cheapest first
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See travel insights to Chicago from

How to get the cheapest flight ticket from Decatur, Illinois to Chicago O'Hare Intl Airport

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 Chicago O'Hare Intl Airport?

The month of January is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Decatur, Illinois averaging around $0.

What is the cheapest day to depart on your flight to Chicago O'Hare Intl Airport?

The cheapest day to depart on your flight to Chicago O'Hare Intl Airport is on a Wednesday 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. On the other hand, Sunday is the most expensive day to depart from Decatur, Illinois because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $604.

What is the cheapest time of day to depart on your flight to Chicago O'Hare Intl Airport?

Flying to Chicago O'Hare Intl Airport from Decatur, Illinois in the evening is the least expensive time of day to depart. momondo users have found prices as low as $349 when looking at flights departing in the evening. Try not to purchase tickets in the afternoon because they tend to be around $586. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Decatur Arpt to Chicago O'Hare Intl flight route?

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

What cabin class options are available on Decatur, Illinois to Chicago O'Hare Intl Airport flights?

There are 3 cabin classes available to choose from on Decatur, Illinois to Chicago O'Hare Intl Airport 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 O'Hare Intl Airport

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

Cheap Decatur, Illinois to Chicago O'Hare Intl Airport (DEC to ORD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Decatur, Illinois to Chicago O'Hare Intl Airport

Best Price Found

$268

Fastest flight time

1h 09m

Direct flights

Mon and Fri
The best one-way flight to Chicago O'Hare Intl Airport from Decatur, Illinois in the past 72 hours is $268. The best round-trip flight deal from Decatur, Illinois to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is $324.
The fastest flight from Decatur, Illinois to Chicago O'Hare Intl Airport takes 1h 09m
Direct flights go from Decatur, Illinois to Chicago O'Hare Intl Airport on Monday and Friday. There are no airlines offering direct flights.
Search flight deals

Frequently asked questions about flying from Decatur, Illinois to Chicago O'Hare Intl Airport

  • How far is Decatur Arpt to Chicago O'Hare Intl by plane?

    There are 157.5 mi between Decatur Arpt and Chicago O'Hare Intl. Flights usually cover this in 1h 09m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from Decatur Arpt Airport to Chicago O'Hare Intl Airport are updated daily.

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

  • How old do you have to be to fly from Decatur Arpt Airport to Chicago O'Hare Intl Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Decatur Arpt Airport to Chicago O'Hare Intl Airport.

  • What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?

    The travel and health documents you'll need for your trip to Chicago O'Hare Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Chicago O'Hare Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Decatur, Illinois to Chicago O'Hare Intl Airport?

  • What is the most popular airline from Decatur, Illinois to Chicago O'Hare Intl Airport?

Best airlines flying from Decatur, Illinois to Chicago O'Hare Intl Airport

Compare and see reviews for airlines that fly from Decatur, Illinois to Chicago O'Hare Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $148Free CancellationRating
7.4
10,072 reviews
Search United Airlines flights

  • United Airlines Flights From Decatur, Illinois to Chicago O'Hare Intl Airport

    United Airlines flies from Decatur, Illinois to Chicago O'Hare Intl Airport around 11 times per week, with 10,073 momondo users rating the airline 7.4/10. The cheapest United Airlines deal from Decatur, Illinois to Chicago O'Hare Intl Airport in the last 72 hours was $148 (round-trip), much lower than the average airfare cost of $198 for United Airlines flights on this route.

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
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Evanston

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Decatur to Chicago. momondo saves you time and could save you money on your trip.

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

Flights from Decatur to Chicago with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo provides multiple filters to help you find the best flight to Chicago from Decatur. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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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