AirHint found the following cheapest return flights from Boston (BOS) to Tokyo (NRT) in December 2025 (see full year).

Return flights

02 Dec - 09 Dec	jetBlue
27 Dec - 19 Jan	Air Canada
27 Dec - 18 Jan	Air Canada
18 Dec - 30 Dec	Air Canada
09 Dec - 16 Dec	United
21 Dec - 30 Dec	Air Canada
28 Dec - 09 Jan	United
27 Dec - 10 Jan	Air Canada
26 Dec - 10 Jan	Air Canada
30 Dec - 13 Jan	United
31 Dec - 07 Jan	United
20 Dec - 30 Dec	Air Canada
22 Dec - 01 Jan	Air Canada
18 Dec - 05 Jan	Air Canada
26 Dec - 04 Jan	Cathay Pacific
03 Dec - 10 Dec	Emirates
02 Dec - 10 Dec	Emirates
04 Dec - 10 Dec	Emirates
19 Dec - 28 Dec	United
18 Dec - 30 Dec	Japan Airlines	direct

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

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 December from 794€

Return flights