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

Return flights

15 Oct - 31 Oct	Air Canada
02 Oct - 08 Oct	Air Canada
17 Oct - 24 Oct	Air Canada
31 Oct - 23 Nov	Air Canada
10 Oct - 14 Oct	WestJet
24 Oct - 23 Nov	Air Canada
16 Oct - 03 Nov	Cathay Pacific
23 Oct - 29 Oct	Alaska Airlines
01 Oct - 14 Oct	Alaska Airlines
16 Oct - 01 Nov	Porter Airlines (Canada) Ltd
15 Oct - 01 Nov	United
10 Oct - 25 Oct	Cathay Pacific
16 Oct - 20 Oct	United
09 Oct - 08 Nov	United
24 Oct - 23 Nov	Japan Airlines	direct
10 Oct - 25 Oct	Japan Airlines	direct
17 Oct - 24 Oct	Japan Airlines	direct

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

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 October from 667€

Return flights