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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 9/14. 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
7:50 am - 8:56 amORD-DEC
1h 06mnonstop
$149United Airlines
Find Deal
Sat, Sep 6 - Sat, Sep 20
United Airlines Logo
9:42 am - 10:57 amDEC-ORD
1h 15mnonstop
United Airlines Logo
7:50 am - 8:56 amORD-DEC
1h 06mnonstop
$159United Airlines
Find Deal
Sat, Sep 6 - Sun, Sep 7
United Airlines Logo
6:55 pm - 8:10 pmDEC-ORD
1h 15mnonstop
United Airlines Logo
4:50 pm - 5:59 pmORD-DEC
1h 09mnonstop
$174United Airlines
Find Deal
Thu, Aug 28 - Mon, Sep 1
United Airlines Logo
9:42 am - 10:57 amDEC-ORD
1h 15mnonstop
United Airlines Logo
4:50 pm - 5:59 pmORD-DEC
1h 09mnonstop
$191United Airlines
Find Deal
Sun, Aug 31 - Thu, Sep 4
United Airlines Logo
6:55 pm - 8:10 pmDEC-ORD
1h 15mnonstop
United Airlines Logo
7:50 am - 8:56 amORD-DEC
1h 06mnonstop
$199United Airlines
Find Deal
Fri, Aug 22 - Sun, Aug 24
United Airlines Logo
9:42 am - 10:57 amDEC-ORD
1h 15mnonstop
United Airlines Logo
7:50 am - 8:56 amORD-DEC
1h 06mnonstop
$391United Airlines
Find Deal
Thu, Aug 21 - Sat, Aug 23

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 6
DEC9:42 amDecatur Arpt
1h 15m
ORD10:57 amChicago O'Hare Intl
Sep 20
ORD7:50 amChicago O'Hare Intl
1h 06m
DEC8:56 amDecatur Arpt
$149
Find similar
United Airlines
Sep 6
DEC9:42 amDecatur Arpt
1h 15m
ORD10:57 amChicago O'Hare Intl
Sep 7
ORD7:50 amChicago O'Hare Intl
1h 06m
DEC8:56 amDecatur Arpt
$159
Find similar
United Airlines
Aug 28
DEC6:55 pmDecatur Arpt
1h 15m
ORD8:10 pmChicago O'Hare Intl
Sep 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 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 18, 2025.
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

DecaturChicago

DEC - ORD

DECORD

Decatur Arpt

Sat 9/6

9:42 am-10:57 am

Nonstop1h 15m

Chicago O'Hare Intl

Sat 9/20

7:50 am-8:56 am

Nonstop1h 06m

$149

DecaturChicago

DEC - ORD

DECORD

Decatur Arpt

Sat 9/6

9:42 am-10:57 am

Nonstop1h 15m

Chicago O'Hare Intl

Sun 9/7

7:50 am-8:56 am

Nonstop1h 06m

$159

DecaturChicago

DEC - ORD

DECORD

Decatur Arpt

Thu 8/28

6:55 pm-8:10 pm

Nonstop1h 15m

Chicago O'Hare Intl

Mon 9/1

4:50 pm-5:59 pm

Nonstop1h 09m

$174

DecaturChicago

DEC - ORD

DECORD

Decatur Arpt

Sun 8/31

9:42 am-10:57 am

Nonstop1h 15m

Chicago O'Hare Intl

Thu 9/4

4:50 pm-5:59 pm

Nonstop1h 09m

$191

DecaturChicago

DEC - ORD

DECORD

Decatur Arpt

Fri 8/22

6:55 pm-8:10 pm

Nonstop1h 15m

Chicago O'Hare Intl

Sun 8/24

7:50 am-8:56 am

Nonstop1h 06m

$199

DecaturChicago

DEC - ORD

DECORD

Decatur Arpt

Thu 8/21

9:42 am-10:57 am

Nonstop1h 15m

Chicago O'Hare Intl

Sat 8/23

7:50 am-8:56 am

Nonstop1h 06m

$391

DecaturChicago

DEC - ORD

DECORD

Decatur Arpt

Sun 9/14

9:42 am-10:57 am

Nonstop1h 15m

$98

DecaturChicago

DEC - ORD

DECORD

Decatur Arpt

Sun 8/24

9:42 am-10:57 am

Nonstop1h 15m

$148

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 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 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 Tuesday when prices can be found for as low as $365. 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 $543.

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 at noon is the least expensive time of day to depart. momondo users have found prices as low as $340 when looking at flights departing at noon. Try not to purchase tickets in the afternoon because they tend to be around $439. 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 Arpt to Chicago O'Hare Intl flights?

There are 2 cabin classes available to choose from on Decatur Arpt to Chicago O'Hare Intl 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

$98

Fastest flight time

1h 15m

Direct flights

Mon, Fri, Sat and Sun
The best one-way flight to Chicago O'Hare Intl Airport from Decatur, Illinois in the past 72 hours is $98. The best round-trip flight deal from Decatur, Illinois to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is $149.
The fastest flight from Decatur, Illinois to Chicago O'Hare Intl Airport takes 1h 15m
Direct flights go from Decatur, Illinois to Chicago O'Hare Intl Airport on Monday, Friday, Saturday and Sunday. The only airline offering direct flights is United Airlines.
Search flight deals

  • 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 15m, 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
8,925 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 6 times per week, with 8,925 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 $158 for United Airlines flights on this route.

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?

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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