Cheapest one-way flights from Seattle to Tokyo in December from $397

AirHint found the following cheapest one-way flights from Seattle (SEA) to Tokyo (NRT) in December 2026 (see full year).

One-Way flights

23 Dec Korean Air
22 Dec Korean Air
04 Dec Asiana Airlines
15 Dec Korean Air
04 Dec Japan Airlines direct
21 Dec Korean Air
15 Dec Japan Airlines direct
21 Dec Japan Airlines direct
14 Dec Alaska Airlines

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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