$93 Find Cheap Flights from Chicago to Decatur - Compare and Save

Among airlines operating Chicago O'Hare Intl Airport to Decatur flights:

• United Airlines: offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

Only United Airlines operates flights between Chicago O'Hare Intl Airport and Decatur.

Flights from Chicago O'Hare Intl Airport to Decatur usually depart from Chicago O'Hare Intl (ORD) and arrive at Decatur Arpt (DEC).

Here are some options for this route, based on selected ticket types and cabin classes:

• United Airlines: a cabin bag in Economy Class class

Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.

Only Economy Class is available on flights from Chicago O'Hare Intl Airport to Decatur.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $40–$80 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

The Canadair (Bombardier) Regional Jet family is used most often on this route, operated mainly by United Airlines. Other aircraft seen on the route include Canadair (Bombardier) Regional Jet 700 variants.

Yes. Being flexible with your travel dates can save you up to 49% on the Chicago O'Hare Intl Airport to Decatur route. Friday is the cheapest departure day at $148 round-trip on average, while Wednesday is the most expensive at $290, a difference of $142. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

Morning is the busiest departure period on Chicago O'Hare Intl Airport to Decatur flights, with 50% of flights leaving in that window. Evening departures account for 50%, afternoon flights for 0%, and night flights for 0%.

These are the earliest and latest flight times available from Chicago O'Hare Intl Airport to Decatur:

• Earliest: departs at 6:55 am and lands at 8:06 am
• Latest: departs at 5:30 pm and lands at 6:41 pm.

The flight takes about 1h 11m.

A nonstop flight from Chicago O'Hare Intl Airport to Decatur takes 1h 11m, covering 156 miles.

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route varied from about $149 to $191. That means the highest observed fare was about 28% higher than the lowest one.

One-way fares from Chicago O'Hare Intl Airport to Decatur are currently lower than usual. Average one-way flight prices are about $93, which is 33% below the typical average for this route.

Round-trip flights from Chicago O'Hare Intl Airport to Decatur range from $158 to $274, with an average of $198 over the past 12 months. Anything below $158 counts as a good deal.