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

Return flights

01 Dec - 08 Dec	Air Canada
29 Dec - 19 Jan	Air Canada
28 Dec - 18 Jan	Air Canada
01 Dec - 12 Jan	United
24 Dec - 29 Dec	Air Canada
29 Dec - 05 Jan	Porter Airlines (Canada) Ltd
23 Dec - 27 Dec	Air Canada
24 Dec - 31 Dec	Air Canada
24 Dec - 07 Jan	United
18 Dec - 01 Jan	Porter Airlines (Canada) Ltd
25 Dec - 05 Jan	Air Canada
20 Dec - 06 Jan	Porter Airlines (Canada) Ltd
21 Dec - 24 Dec	United
25 Dec - 11 Jan	Emirates
10 Dec - 18 Dec	Emirates
20 Dec - 30 Dec	SWISS
21 Dec - 24 Dec	Japan Airlines	direct
13 Dec - 18 Dec	Emirates
18 Dec - 01 Jan	Japan Airlines	direct
20 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 665€

Return flights