Question : What day in the next four weeks has the best fares?
Answer : Mar 2nd has seen bookings (as of Feb 20th) as cheap as $6,933. That comes in 5% below the average price for this route. Saving now means you'll have more cash in your hand for the trip.
Question : What price range should you expect when booking from Porto (OPO) to Niigata (KIJ)?
Answer : Ranging from $3,629 to $7,912, prices for OPO to KIJ do fluctuate more than the majority of routes from Portugal. Remember, you can save by booking further in advance.
Question : How many days should you spend in Niigata?
Answer : Passengers from OPO to KIJ stay about one week on average.
Question : Is price more important than specific travel days for you?
Answer : The cheapest day to fly in March is Thursday. Having flexibility in your travel plans means you can save more, so be sure to plan ahead when possible.