Cheapest one-way flights from Seattle to Tokyo in August from $311

AirHint found the following cheapest one-way flights from Seattle (SEA) to Tokyo (HND) in August 2026 (see full year).

One-Way flights

02 Aug Philippine Airlines
09 Aug Philippine Airlines
20 Aug Philippine Airlines
01 Aug Asiana Airlines
08 Aug Asiana Airlines
18 Aug Philippine Airlines
25 Aug Philippine Airlines
16 Aug Philippine Airlines
02 Aug ANA direct
09 Aug ANA direct

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

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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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