Find cheap flights to Decatur
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Weather in Decatur
Average Weather
| Month | Average monthly max temperature | Average monthly min temperature |
| January | 1°C | -6°C |
| February | 3°C | -4°C |
| March | 11°C | 2°C |
| April | 16°C | 7°C |
| May | 22°C | 13°C |
| June | 27°C | 17°C |
| July | 28°C | 19°C |
| August | 28°C | 18°C |
| September | 25°C | 15°C |
| October | 18°C | 9°C |
| November | 10°C | 2°C |
| December | 4°C | -1°C |
14 day forecast
Flight connections and travel options
Browse routes from top origins with quick connections
Airports in and near Decatur
Decatur’s main airport is the primary hub, with nearby airports offering additional options.
- Chicago Midway International airport (MDW)
- Indianapolis International airport (IND)
- St. Louis Lambert International airport (STL)
- Evansville Regional airport (EVV)
- Quad City International airport (MLI)
- Abraham Lincoln Capital airport (SPI)
- General Wayne A. Downing Peoria International airport (PIA)
- MidAmerica St. Louis airport (BLV)
- Central Illinois Regional airport (BMI)
- Southeast Iowa Regional airport (BRL)
- Quincy Regional airport (UIN)
- University of Illinois Willard airport (CMI)
- Decatur airport (DEC)
Popular flights from Decatur
Find cheap tickets from Decatur to the top departure hubs