- Save on flights to the USA & Canada, including New York
- Fly from the UK (via Dublin) from £229 one-way incl. taxes
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- Travel before 31st October 2017 (inclusive)
Weather averages at airports serving Decatur, Illinois
Weather averages at airports serving Decatur show temperature, rainfall and sunshine for every month of the year. Check the weather at airports serving Decatur, Illinois, USA before you book your next flight.