Cheapest one-way flights from Seattle to Tokyo in December from $282

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

One-Way flights

07 Dec Alaska Airlines
29 Dec Alaska Airlines direct
01 Dec Alaska Airlines direct
07 Dec Hawaiian Airlines direct
02 Dec Alaska Airlines direct
04 Dec Alaska Airlines direct
03 Dec Alaska Airlines direct
06 Dec Alaska Airlines direct
08 Dec Hawaiian Airlines direct
27 Dec Alaska Airlines direct

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

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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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