AirHint found the following cheapest return flights from Seattle (SEA) to Tokyo (NRT) in May 2026 (see full year).

Return flights

06 May - 14 May	Korean Air
12 May - 19 May	Philippine Airlines
07 May - 14 May	Philippine Airlines
12 May - 26 May	Philippine Airlines
04 May - 11 May	United
18 May - 29 May	United
01 May - 08 May	United
04 May - 16 May	Korean Air
12 May - 24 May	Korean Air
10 May - 24 May	Korean Air
23 May - 01 Jun	Korean Air
21 May - 02 Jun	SWISS
23 May - 01 Jun	Japan Airlines	direct

Also check the deals for one-way flights from Seattle to Tokyo in May.

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 return flights from Seattle to Tokyo in May from 567€

Return flights