Are there nonstop flights from Flint (FNT) to Chicago (ORD)?

Yes. American Eagle (airline brand), United Express fly this route. Flight time is about 55m.

Flint → Chicago

Bishop International Airport (FNT) to Chicago O'Hare International Airport (ORD)・359 km

Nonstop flights available (2 airlines). Flight time about 55m. Nonstop return flights also operate.

Times are estimated from distance. Check schedules, frequency and availability with the airline or a booking site.