Cheap flights from Japan to Boston from $476

In general, February is the cheapest month to fly from Japan to Boston. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $865. If you aren’t able to travel during the month of February, then book flights to Boston from Japan during October instead. Flights to Boston in October, while not as cheap as those in February, still average around $1,043.

The cheapest day to depart from Japan to Boston is on a Tuesday when prices can be found for as low as $1,587. Be sure to avoid booking your departure on a Wednesday as prices are generally higher than usual. According to our data, the average ticket price to Boston on Wednesday is $2,171.

Fly from Tokyo Narita to Boston Logan Intl for the best Japan - Boston Logan Intl flight prices

There are 2 cabin classes available to choose from on Japan to Boston flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Historically, on average around 14% of flights between Japan and Boston have experienced a delay on any given week. The average delay length over the past 12 months has been 132 minutes.

Generally, flights departing in the evening tend to experience fewer delays. Flights in the evening have, in the past, seen delays more frequently in comparison.

Monday is statistically the day of the week which experiences the fewest number of delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

According to our data, Japan Airlines have had the least number of delays on this route over the last 12 months; with about 14% of their flights experiencing any sort of delay.

As of September 2026, 3 flights take off from Japan and land in Boston each day. The most common flight departure time for this route is 6:00PM, with 100% of daily flights taking off in the evening.

21 flights are operational weekly from Japan to Boston as of September 2026. The most popular departure day for this route is Mon, with 14% of flights per week taking off on this day.