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

Return flights

07 Jan - 22 Jan	Philippine Airlines
27 Jan - 03 Feb	Philippine Airlines
20 Jan - 28 Jan	Asiana Airlines
14 Jan - 21 Jan	Asiana Airlines
20 Jan - 28 Jan	United	direct
07 Jan - 15 Jan	United	direct
14 Jan - 21 Jan	United	direct
07 Jan - 22 Jan	United	direct
07 Jan - 14 Jan	United	direct
27 Jan - 03 Feb	United	direct
06 Jan - 21 Jan	United
01 Jan - 20 Jan	United	direct

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

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 January from 655€

Return flights