You can find nonstop flights on the following days: Sunday, Monday, Tuesday, Wednesday, Thursday, Friday, Saturday.
The South Bend/Michiana to Paris flight path was viewed by 79 users in the past month. Keep an eye out for changes in search interest prior to high and low season.
You can imagine temperatures to be in the 84 °F range in July. The weather in Paris is generally colder than South Bend's. As flight availability is subject to become more limited as peak season approaches it is ideal to book in a timely manner.