Cheapest one-way flights from Seattle to Tokyo in January from 342€

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

One-Way flights

21 Jan Asiana Airlines
18 Jan Asiana Airlines
27 Jan Asiana Airlines
21 Jan United direct
18 Jan United direct
27 Jan Delta direct
12 Jan Delta direct
01 Jan United direct
02 Jan Delta direct

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

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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