From Buffalo Niagara International Airport: Take Route 33 from Buffalo Niagara International Airport to get to Interstate 90. Now, get to Exit 50 and join Interstate 290. Post this, get to Interstate 190 North Exit and cross over the South Grand Island Bridge (a toll bridge) to continue over Grand Island. Take Exit 21 to the Niagara Scenic Parkway right after crossing the North Grand Island Bridge. You can now follow the signs here and find parking lots for Niagara Falls State Park.
From Albany and East: First, reach Interstate 90 West, then take Interstate 290 West, and then the Interstate 190 North Exit. Right after this, cross the South Grand Island Bridge (toll) and continue over Grand Island for Niagara Falls. Now, take Exit 21 to the Niagara Scenic Parkway right after crossing the North Grand Island Bridge.
From the West: Make sure to use Interstate 90 East, Interstate 290 West, and Interstate 190 North Exit when you’re about to approach Grand Island from the west. Right after, cross the South Grand Island Bridge. Take Exit 21 to the Niagara Scenic Parkway as soon as you have crossed the North Grand Island Bridge. Keep travelling while the Parkway turns into Prospect Street. Look out for parking spaces for the state park by following the signs.
From the South: When travelling from the south, either consider Interstate 90 East through Pennsylvania or Interstate 90 West through New York. Make use of the Interstate 190 North Exit and go over the South Grand Island Bridge to continue across Grand Island. After crossing the North Grand Island Bridge, get to Exit 21 to the Niagara Scenic Parkway.
From Toronto: To get to Niagara Falls in the United States from Canada, make sure to take the Gardiner Expressway situated at the QEW South. Finally, you get to enter the United States after crossing the Niagara River on Niagara Street, via the Rainbow Bridge.
Note: Consider staying at the Sheraton Niagara Falls NY or Doubletree Niagara Falls for an awesome and comfortable trip overall. These hotels come with several guestrooms and are just footsteps away from the world-famous Niagara Falls.