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

Return flights

20 May - 03 Jun	Air Canada
11 May - 18 May	Air Canada
19 May - 04 Jun	Air Canada
06 May - 23 May	Air Canada
24 May - 07 Jun	Air Canada
22 May - 31 May	Air Canada
02 May - 14 May	Air Canada
17 May - 31 May	ANA
19 May - 04 Jun	American Airlines	direct
20 May - 03 Jun	American Airlines	direct
24 May - 07 Jun	Japan Airlines	direct
02 May - 14 May	Japan Airlines	direct
22 May - 31 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 $851

Return flights