Cheapest one-way flights from Boston to Tokyo in August from $379

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

One-Way flights

31 Aug Spirit Airlines
25 Aug Frontier Airlines
24 Aug Spirit Airlines
26 Aug Air Canada
27 Aug Air Canada
28 Aug Spirit Airlines
21 Aug Air Canada
22 Aug Air Canada
24 Aug Japan Airlines direct
22 Aug Japan Airlines direct

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

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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