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

Return flights

13 May - 21 May	Cathay Pacific
07 May - 14 May	Cathay Pacific
01 May - 16 May	jetBlue
17 May - 29 May	Porter Airlines (Canada) Ltd
17 May - 22 May	jetBlue
14 May - 21 May	jetBlue
19 May - 02 Jun	jetBlue
28 May - 11 Jun	Air Canada
05 May - 12 May	United
27 May - 11 Jun	jetBlue
19 May - 04 Jun	jetBlue
01 May - 08 May	United
03 May - 10 May	United
17 May - 31 May	jetBlue
26 May - 04 Jun	Cathay Pacific
26 May - 02 Jun	Cathay Pacific
26 May - 04 Jun	Japan Airlines	direct
26 May - 02 Jun	Japan Airlines	direct
28 May - 11 Jun	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.

Book a cheap hotel in Tokyo

Cheap car rent in Tokyo

Cheapest return flights from Boston to Tokyo in May from $1011

Return flights