Cheap flights from Boston to Tokyo, Japan (BOS - TYO)

Flying from Boston to Tokyo can be expensive. Our search helps you compare cheap flights, airfare deals, and flight tickets across airlines and agencies so you can book at the best price.

We scan trusted travel agencies and airline booking systems for the route Boston - Tokyo (BOS - TYO). We do not sell tickets or add fees - you choose where to buy.

Airfares vary by date, time, and airport. Use filters to find the best option by departure/arrival time, number of stops, airline or alliance, and booking channel.

If your dates are flexible, check the low-fare calendar to find the cheapest days. Booking round-trip in one order often reduces fees, and prices usually rise as departure approaches.

We also recommend you to look through the prices for return tickets from Tokyo to Boston.

Airfares found by our users in the past 24 hours

The cheapest flight from Boston to Tokyo is 68 445 on Air Canada, departing on 03/05/2026 - 14:15 and returning on 03/09/2026 - 14:40.
The price for these dates could change. Use search to get the best price.

Average round-trip airfares from Boston to Tokyo by months

MonthRound-Trip
January 2026find now
February 2026find now
March 202605.03 - 09.03from 68 445
April 202615.04 - 22.04from 70 448
May 2026find now
June 2026find now
July 2026find now
August 2026find now
September 2026find now
October 2026find now
November 2026find now
December 2026find now

Prices shown are based on searches from the last few days. Ticket prices can change and depend on availability at the time of booking.

Airlines are flying from Boston to Tokyo

Japan Airlines
Find Flights to Tokyo