Cheapest one-way flights from Seattle to Tokyo in December from $574

Best time to book flights for Seattle (SEA) to Tokyo (HND) flights at AirHint

AirHint found the following cheapest one-way flights from Seattle (SEA) to Tokyo (HND) in December 2025 (see full year).

One-Way flights

27 Dec United direct
10 Dec Alaska Airlines
26 Dec Asiana Airlines
26 Dec United direct
10 Dec ANA direct
22 Dec Asiana Airlines
22 Dec ANA direct

Also check the deals for return flights from Seattle to Tokyo in December.

Skyscanner

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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