April (Cherry Blossoms), August (Obon Festival), and late December (New Year) see the highest demand and price peaks. Strategic Timing Hacks
When Is the Cheapest Time to Visit Japan? - Klook Travel Blog
February is consistently the lowest-priced month, as it falls in the post-holiday lull before the spring rush.
If you plan to travel during the peak Sakura season (late March to early April), you must book much earlier to avoid premiums of up to 90%.
Fares fluctuate based on seasonal demand in both India and Japan.
This is the "sweet spot" for most routes, offering the best balance of price and seat availability.