Cheapest one-way flights from Boston to Tokyo in September from $443

AirHint found the following cheapest one-way flights from Boston (BOS) to Tokyo (NRT) in September 2025 (see full year).

One-Way flights

17 Sep Spirit Airlines
29 Sep Spirit Airlines
10 Sep Spirit Airlines
18 Sep Spirit Airlines
09 Sep Air Canada
26 Sep Air Canada
19 Sep Delta
29 Sep Japan Airlines direct
10 Sep Japan Airlines direct
09 Sep American Airlines direct

Also check the deals for return flights from Boston to Tokyo in September.

Skyscanner

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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