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

Return flights

01 Dec - 16 Dec	Air Canada
09 Dec - 16 Dec	Air Canada
04 Dec - 11 Dec	Air Canada
06 Dec - 13 Dec	Air Canada
08 Dec - 15 Dec	Air Canada
01 Dec - 13 Dec	Air Canada
01 Dec - 11 Dec	Air Canada
03 Dec - 11 Dec	Air Canada
11 Dec - 18 Dec	Air Canada
10 Dec - 17 Dec	Air Canada
29 Dec - 14 Jan	Air Canada
11 Dec - 19 Jan	Air Canada
10 Dec - 24 Jan	Air Canada
30 Dec - 13 Jan	Etihad Airways
14 Dec - 13 Jan	Frontier Airlines
22 Dec - 19 Jan	Spirit Airlines
16 Dec - 11 Jan	Hawaiian Airlines
26 Dec - 08 Jan	Frontier Airlines
26 Dec - 06 Jan	Frontier Airlines
12 Dec - 06 Jan	Frontier Airlines

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 574€

Return flights