$93 Cheap Flights from Chicago (ORD) to Decatur (DEC)

View $93 flight on Thu, Jul 3, 2025Opens in a new window

Popular airlines from Chicago O'Hare Intl. Airport (ORD) to Decatur, IL (DEC)

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Find available prices by choosing your travel dates.

Cheap Flights from Chicago to Decatur (ORD-DEC)

Prices were available within the past 7 days and start at $93 for one-way flights and $149 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Fri, May 16 - Mon, May 19
ORD
Chicago
DEC
Decatur
$149 Roundtrip, found 4 hours ago
$149
Roundtrip
found 4 hours ago
Select United flight, departing Fri, May 16 from Chicago to Decatur, returning Mon, May 19, priced at $149 found 4 hours ago
United
Fri, May 16 - Mon, May 19
ORD
Chicago
DEC
Decatur
$159 Roundtrip, found 4 hours ago
$159
Roundtrip
found 4 hours ago
Select United flight, departing Fri, May 16 from Chicago to Decatur, returning Mon, May 19, priced at $159 found 4 hours ago
United
Sun, Jun 1 - Fri, Jun 13
ORD
Chicago
DEC
Decatur
$170 Roundtrip, found 5 days ago
$170
Roundtrip
found 5 days ago
Select United flight, departing Sun, Jun 1 from Chicago to Decatur, returning Fri, Jun 13, priced at $170 found 5 days ago
United
Thu, May 1 - Sun, May 4
ORD
Chicago
DEC
Decatur
$174 Roundtrip, found 4 days ago
$174
Roundtrip
found 4 days ago
Select United flight, departing Thu, May 1 from Chicago to Decatur, returning Sun, May 4, priced at $174 found 4 days ago
United
Sun, May 4 - Mon, May 5
ORD
Chicago
DEC
Decatur
$191 Roundtrip, found 4 days ago
$191
Roundtrip
found 4 days ago
Select United flight, departing Sun, May 4 from Chicago to Decatur, returning Mon, May 5, priced at $191 found 4 days ago
United
Fri, May 16 - Mon, May 19
ORD
Chicago
DEC
Decatur
$195 Roundtrip, found 5 days ago
$195
Roundtrip
found 5 days ago
Select United flight, departing Fri, May 16 from Chicago to Decatur, returning Mon, May 19, priced at $195 found 5 days ago
United
Fri, May 16 - Mon, May 19
ORD
Chicago
DEC
Decatur
$220 Roundtrip, found 4 hours ago
$220
Roundtrip
found 4 hours ago
Select United flight, departing Fri, May 16 from Chicago to Decatur, returning Mon, May 19, priced at $220 found 4 hours ago
United
Thu, May 1 - Fri, May 2
ORD
Chicago
DEC
Decatur
$291 Roundtrip, found 4 days ago
$291
Roundtrip
found 4 days ago
Select United flight, departing Thu, May 1 from Chicago to Decatur, returning Fri, May 2, priced at $291 found 4 days ago
United
Thu, May 15 - Tue, May 20
ORD
Chicago
DEC
Decatur
$297 Roundtrip, found 5 days ago
$297
Roundtrip
found 5 days ago
Select United flight, departing Thu, May 15 from Chicago to Decatur, returning Tue, May 20, priced at $297 found 5 days ago
United
Fri, May 16 - Mon, May 19
ORD
Chicago
DEC
Decatur
$491 Roundtrip, found 4 hours ago
$491
Roundtrip
found 4 hours ago
Select United flight, departing Fri, May 16 from Chicago to Decatur, returning Mon, May 19, priced at $491 found 4 hours ago
United
Thu, May 15 - Tue, May 20
ORD
Chicago
DEC
Decatur
$981 Roundtrip, found 5 days ago
$981
Roundtrip
found 5 days ago
Select United flight, departing Thu, May 15 from Chicago to Decatur, returning Tue, May 20, priced at $981 found 5 days ago

Frequently asked questions

How much does a flight from O'Hare Intl. Airport (ORD) to Decatur Airport (DEC) cost?
You can land cheap return fares from O’Hare Intl. Airport (ORD) to Decatur Airport (DEC) starting from $149. Reserve your seat and get ready for takeoff. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a United flight leaving ORD on May 16 2025 and touching down at DEC. The price was last updated on April 23 2025 and has not changed since.
What is the cheapest month to fly from ORD to DEC?
The cheapest flights from ORD to DEC are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from O'Hare Intl. Airport (ORD) to Decatur Airport (DEC)?
When departing from O’Hare Intl. Airport (ORD), you can hop on a direct flight to Decatur Airport (DEC) with United Airlines.
What is the cheapest airline that flies from ORD to DEC?
Currently, the cheapest airline operating one-way flights from ORD to DEC is United. You can jet off on this route from $93. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from ORD on July 3 2025. Prices were last updated on April 23 2025 and have not changed since.
How many flights per day from O'Hare Intl. Airport (ORD) to Decatur Airport (DEC)?
On average, there’s only 1 nonstop flight leaving from O’Hare Intl. Airport (ORD) to Decatur Airport (DEC) per day. If this doesn’t fit your plans, consider flights with a layover. Just filter your search results on Expedia to include one or more stops to discover the next best option.
What are the most popular departure times for flights from O'Hare Intl. Airport (ORD) to Decatur Airport (DEC)?
Flights between ORD and DEC are busiest at 1 PM. If you’d like a more relaxed experience and possibly cheaper tickets, look for a time when demand is lower.
What day of the week has the most flights from ORD to DEC?
Travel on a Sunday if you’re after the largest selection of flights from O’Hare Intl. Airport (ORD) to Decatur Airport (DEC).
What is the earliest flight from O'Hare Intl. Airport (ORD) to Decatur Airport (DEC)?
Catch the earliest flight at around 7:45AM UTC-6, departing from O’Hare Intl. Airport (ORD). You’ll be flying for approximately 1h 10m, coming in to land at Decatur Airport (DEC) at approximately 8:55AM UTC-6.
How long does it take to fly from O'Hare Intl. Airport (ORD) to Decatur Airport (DEC)?
Flights from ORD to DEC have an average travel time of 1 hour and 8 minutes. The total distance between the two airports is 160 mi.
What is the best time to fly from O'Hare Intl. Airport (ORD) to Decatur Airport (DEC)?
To arrive at Decatur Airport (DEC) on schedule, book a flight that leaves from O’Hare Intl. Airport (ORD) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
What airports do you fly into for Decatur from O'Hare Intl. Airport (ORD)?
Touch down at one of these Decatur airports after your direct flight from O’Hare Intl. Airport (ORD):

  • Central Illinois Regional Airport (BMI)
  • University Of Illinois Urbana-Champaign Williard Airport (CMI)
  • Abraham Lincoln Capital Airport (SPI)

Is it cheaper to buy a plane ticket from O'Hare Intl. Airport (ORD) to Decatur Airport (DEC) last-minute?
Waiting until just before your trip to book a flight from ORD to DEC often results in higher prices. Although you may find some last-minute offers, they aren’t always guaranteed. Allow some flexibility in your schedule for a better chance of landing a bargain.
Is it cheaper to book an ORD to DEC flight and hotel package?
Compared with arranging hotels and flights separately, booking an ORD to DEC flight and hotel package with Expedia could result in significant savings. Better yet, managing everything in one place takes the hassle out of planning your trip. Simply pick your flights and choose from our wide range of stays, then tailor your trip with extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from O'Hare Intl. Airport (ORD) to Decatur Airport (DEC)?
Generally, it’s possible to reschedule or cancel your ORD to DEC flight. However, if it’s been more than 24 hours since booking, additional charges may apply. Check your airline’s policies in your itinerary to see what changes are allowed and if any costs are involved. You’ll also find more details on our Customer Service portal.
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