Question : Looking for the cheapest flight over the next 30 days?
Answer : Since low prices are preferred, look at Feb 26th. As of Feb 20th, it's showing the cheapest ticket sales at $3,720. That is 15% below the average price for this route, so you can spend that extra money on an adventure in Dusseldorf.
Question : Is the price you found a good deal?
Answer : Flight prices are fluctuating less for this route than most routes from Japan, as they're ranging from $3,225 to $4,753. Remember, you can save by booking further in advance.
Question : Have you considered flying out of an airport besides Haneda Airport (HND)?
Answer : Lucky for you, there is another airport near Tokyo. Narita International Airport (NRT) is 37 miles away, and over the next two months, flights are being booked 51% cheaper than flights from Haneda Airport.
Question : Which airline is offering the cheapest flight from HND to DUS?
Answer : China Southern Airlines is the leader in keeping prices down for their passengers over the next three months. Fares are being booked at just $3,225 and, when compared to the more expensive bookings of $4,753, it's quite a deal.
Question : How long do most people stay in Dusseldorf?
Answer : Of course you're not most people, but if you were, you'd stay roughly 10 days.
Question : If your plans are flexible, have you considered changing your departure day?
Answer : The best day to fly on a budget this month is Saturday. Flexibility is paramount when booking travel plans in order to keep travel costs down.