Cheapest one-way flights from Seattle to Tokyo in January from $337

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 Philippine Airlines
24 Jan Asiana Airlines
13 Jan Alaska Airlines
14 Jan Alaska Airlines
13 Jan Delta direct
14 Jan Delta direct
21 Jan Delta direct
26 Jan Delta direct
07 Jan Delta direct
06 Jan United

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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