AirHint found the following cheapest return flights from Boston (BOS) to Tokyo (NRT) in May 2026 (see full year).

Return flights

06 May - 13 May	Air Canada
06 May - 27 May	Air Canada
31 May - 12 Jun	Air Canada
19 May - 04 Jun	Air Canada
20 May - 04 Jun	Air Canada
19 May - 03 Jun	Air Canada
15 May - 29 May	Air Canada
17 May - 24 May	Air Canada
10 May - 23 May	Air Canada
06 May - 13 May	American Airlines	direct
19 May - 03 Jun	Japan Airlines	direct
19 May - 04 Jun	Japan Airlines	direct
17 May - 24 May	Japan Airlines	direct

Also check the deals for one-way flights from Boston to Tokyo in May.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Boston to Tokyo in May from $732

Return flights