Question : Do prices fluctuate more for this route than others?
Answer : Flight prices change more than the majority of routes from India for BOM to KMJ. They range from $1,880 to $3,703. However, the sooner you book, the better price you tend to get.
Question : What is the cheapest round-trip ticket you can get to Kumamoto?
Answer : JAL is your best bet for finding that coveted low fare. They're offering fares as low as $1,880, while prices for other flights are as high as $3,703.