This article explores the most expensive month to fly to Japan, and how travelers can find cheaper options for their trip. Factors that affect the price of flights include destination, airline, time of year, type of flight, and number of passengers. Generally speaking, peak season in Japan is from late March through May and from late August through October when prices tend to be higher due to increased demand. Other potentially more expensive months include February (due to New Year's celebrations), June (due to summer vacation season), July (due its hot weather), August (due its high humidity levels), November (due its autumn colors) and December (due its winter holiday season). Tips on finding cheap flights include booking ahead, comparing airlines, looking out for promotional offers, considering connecting flights, and joining loyalty programs.