Cheapest one-way flights from Seattle to Tokyo in December from $477

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

01 Dec Asiana Airlines
01 Dec United direct
10 Dec Alaska Airlines
11 Dec Alaska Airlines
24 Dec United
27 Dec Delta direct
10 Dec ANA direct
15 Dec Asiana Airlines
11 Dec ANA direct
15 Dec Delta 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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