Go through your results for flights to Niigata in Japan with Netflights. Although Japan Airlines usually has the best prices, it's best to double check what's available for your travel dates.
Flexible on dates? Conducting your search by month allows you to compare prices to Niigata throughout the year. Accommodation prices will also be higher at this time of year.
But if you're struggling to find flights to Niigata that work for you, try looking at other airports in Japan.
For even more options, check what other airports you could fly to Niigata from. You might be able to make a saving by going from a different airport or city.