Cheapest one-way flights from Seattle to Tokyo in December from 278€

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

One-Way flights

30 Dec Asiana Airlines
29 Dec Asiana Airlines
07 Dec Air Canada
02 Dec Air Canada
31 Dec Air Canada
09 Dec WestJet
02 Dec Japan Airlines direct
31 Dec Japan Airlines direct
29 Dec Japan Airlines direct
10 Dec WestJet

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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