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

Return flights

18 May - 29 May	Asiana Airlines
27 May - 17 Jun	Asiana Airlines
18 May - 29 May	United	direct
02 May - 20 May	United
04 May - 18 May	Korean Air
04 May - 18 May	ANA	direct
03 May - 09 May	Philippine Airlines
16 May - 26 May	Hawaiian Airlines
02 May - 20 May	ANA	direct
16 May - 26 May	ANA	direct
09 May - 22 May	ANA	direct
31 May - 07 Jun	ANA	direct
31 May - 07 Jun	Asiana Airlines
30 May - 15 Jun	Asiana Airlines
27 May - 17 Jun	United	direct
30 May - 15 Jun	ANA	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 $760

Return flights