Go through your results for flights to Niagara Falls New York in the USA with Netflights.
If these flights are too expensive, try searching for a different time of year. So if your dates are flexible, consider looking at different times of year.
But if you're struggling to find flights to Niagara Falls New York that work for you, try looking at other airports in the USA.
For even more options, check what other airports you could fly to Niagara Falls New York from. You might be able to make a saving by going from a different airport or city.