Are there nonstop flights from Orlando (SFB) to Niagara Falls (IAG)?

Yes. Allegiant Air fly this route. Flight time is about 2h 23m.

Orlando → Niagara Falls

Orlando Sanford International Airport (SFB) to Niagara Falls International Airport (IAG)・1,607 km

Nonstop flights available (1 airline). Flight time about 2h 23m. Nonstop return flights also operate.

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