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

Return flights

25 Apr - 09 May	Asiana Airlines
13 Apr - 20 Apr	Asiana Airlines
26 Apr - 08 May	Asiana Airlines
02 Apr - 13 Apr	Asiana Airlines
02 Apr - 19 Apr	Asiana Airlines
03 Apr - 19 Apr	Asiana Airlines
19 Apr - 25 Apr	Asiana Airlines
08 Apr - 15 Apr	Asiana Airlines
01 Apr - 08 Apr	Asiana Airlines
07 Apr - 15 Apr	Asiana Airlines
11 Apr - 18 Apr	Asiana Airlines
10 Apr - 18 Apr	Asiana Airlines
25 Apr - 02 May	Asiana Airlines
25 Apr - 09 May	United	direct
25 Apr - 02 May	United	direct

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

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 April from $604

Return flights