The best month to fly with Flight NH855 is September and the most expensive month to fly is April. (Average prices, based on 382 datapoints.)
The best day to arrive at Tokyo is Thursday and it would be best to avoid Monday, as prices are on average 105.91% higher than on Thursday. (Average prices, based on 8735072 datapoints.)
This graph shows the distribution of prices found in the past years for this flight. (Average prices, based on 331 datapoints.)