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

One-Way flights

01 Mar	WestJet
02 Mar	WestJet
03 Mar	Asiana Airlines
09 Mar	Asiana Airlines
20 Mar	Asiana Airlines
14 Mar	Asiana Airlines
19 Mar	Asiana Airlines
17 Mar	Asiana Airlines
02 Mar	Hawaiian Airlines	direct
03 Mar	Japan Airlines	direct

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

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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Cheapest one-way flights from Seattle to Tokyo in March from 246€

One-Way flights