On this page, you can find and purchase flight tickets for the Chicago — Decatur route. The direct distance between the origin and destination is 946 km, with regular service provided by approximately 6 flights per week.
Flights on this US route are operated by UA. Ticket prices are dynamic; therefore, we recommend using the low-fare calendar and price trend chart below to find the best deals.
The table shows direct flights Chicago → Decatur on the selected date. The flight takes approximately 1 h 11 min. Regular flights are operated by United Airlines. Departures from O'Hare International Airport, Chicago Midway International Airport and Midway International Airport airports.
For each flight, the following details are shown: departure time (local), arrival city and airport, flight number and airline, terminal or gate, and status. Click on a flight to open its details and go to ticket search. To view flights on a different day, change the date above the table.
Below is a calendar of the lowest flight ticket prices for Chicago — Decatur by day. Pick a convenient date and instantly see the fare. The cheapest flights on this route start from $87 in ,, and the most expensive are around $99 in J. If your travel dates are flexible, the calendar will help you find the best price for your preferred period. To view round-trip fares, switch to the "Round trip" tab above the calendar, select your departure date — and the right-hand calendar will highlight the lowest prices for return flights on each day.
Chicago → Decatur, average one-way price
| Month | Average price | Level | Month | Average price | Level | Month | Average price | Level |
|---|---|---|---|---|---|---|---|---|
| Jan | $147 | low | May | $177 | medium | Sep | $165 | low |
| Feb | $141 | low | Jun | $202 | high | Oct | $171 | medium |
| Mar | $165 | medium | Jul | $214 | high | Nov | $208 | high |
| Apr | $159 | low | Aug | $196 | high | Dec | $220 | high |
Some values are estimated based on seasonality.
The warmest month in Decatur is July, with an average temperature of 30.6°C, while the lowest temperatures and humid weather are observed in January. Peak rainfall occurs in March, whereas October and November are considered the driest periods of the year.
The lowest airfares are recorded in August and May — from $87. The most expensive time to fly is at the beginning of the year: in January and February, ticket prices reach $100.
For a comfortable trip, October is the best choice: it is the driest month with moderate temperatures and affordable prices. It is recommended to avoid booking for January if budget saving is a priority.
On the Chicago — Decatur route, regular passenger services are provided by one main airline — UA (United Airlines). There are about 6 flights per week, allowing you to choose a convenient time for your flight. A detailed daily schedule and specifics for each departure are available in the interactive list below.
Flights Chicago — Decatur depart from O'Hare International Airport, Chicago Midway International Airport, Midway International Airport and Chicago Rockford International Airport. Below are pages for the cities, countries, and airports on the route.
The approximate travel time for a direct flight is about 1 hour and 10 minutes. The aerial distance between the cities is 946 km.
Regular air service between the cities is provided by UA (United Airlines), which operates flights throughout the week.
Airfares change constantly based on demand. You can find the latest minimum fares for specific dates in the low-fare calendar on this page.
Flights from Chicago land at the Decatur airport. Information on how to get to the city after landing can be found in our transport section.
Where travelers fly most — pick a route and check prices
