Renting a helicopter for an hour is not cheap and the cheapest you'll likely pay to rent a helicopter for an hour will be from $250.00 to $350.00 per hour for a 2 seat helicopter.
If you want to rent a 4 seat helicopter for an hour the cost will be from $350.00 to $500.00 per hour.
Although if you don't plan to fly much it is much cheaper to rent a helicopter than it is to buy your own.
Buying a new helicopter costs from $250,000.00 to $1,700,000.00 which is a lot of money.