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

Return flights

27 Apr - 11 May	Korean Air
21 Apr - 30 Apr	Korean Air
15 Apr - 29 Apr	Korean Air
29 Apr - 06 May	Korean Air
28 Apr - 07 May	Korean Air
17 Apr - 30 Apr	Korean Air
11 Apr - 19 Apr	Korean Air
15 Apr - 24 Apr	Korean Air
20 Apr - 30 Apr	Korean Air
19 Apr - 30 Apr	Korean Air
08 Apr - 23 Apr	Korean Air
08 Apr - 20 Apr	Korean Air
12 Apr - 15 Apr	Philippine Airlines
23 Apr - 01 May	Delta	direct
28 Apr - 05 May	United	direct
29 Apr - 06 May	United	direct
28 Apr - 07 May	ANA	direct
26 Apr - 03 May	United	direct
27 Apr - 04 May	United	direct
30 Apr - 07 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.

Book a cheap hotel in Tokyo

Cheap car rent in Tokyo

Cheapest return flights from Seattle to Tokyo in April from $624

Return flights