Flights to Decatur, IL, United States
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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
Cheapest month to fly to Decatur
Explore price trends for trips to Decatur
Showing prices in CAD
| Annual Avg. Price | 670 CAD |
| August 2025 | 381 CAD |
| October 2025 | 604 CAD |
| November 2025 | 625 CAD |
| January 2026 | 878 CAD |
| February 2026 | 576 CAD |
| April 2026 | 953 CAD |
Airlines flying to Decatur
Best airlines flying to Decatur
- Swiss International Air Lines
- Aer Lingus
- Key Lime Air
- Cathay Pacific
- Air Dolomiti
- Austrian Airlines
- ITA Airways
