Question : What day in the next four weeks has the best fares?
Answer : Mar 11th has seen bookings (as of Feb 20th) as cheap as $7,183. That comes in 30% below the average price for this route. Saving on flight fares means you'll have more cash in your hand for the trip.
Question : How much should a trip from Niigata (KIJ) to Rotterdam (RTM) cost?
Answer : Ranging from $5,511 to $12,415, prices for KIJ to RTM do fluctuate more than most routes from Japan. However, the sooner you book, the more you'll be able to save.
Question : How long do most people visit Rotterdam?
Answer : Of course you're not most people, but if you were, you'd stay roughly 10 days.
Question : Is price more important than specific travel days for you?
Answer : For the month of March, Saturday is your cheapest day to fly. Flexibility is paramount when booking travel plans in order to keep travel costs down.