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Cheapest one-way flights from Seattle (SEA) to Tokyo (NRT), January

4 dates in January 2027, from $ 411. Book in one tap, or check whether to buy now or wait.

One-way Return

Dates, airline, and price
Dates	Airline	Price
24 Jan 2027	Frontier Airlines
1 Jan 2027	Alaska Airlines Direct Flight
2 Jan 2027	Hainan Airlines

2 Jan 2027	Japan Airlines Direct Flight

Cheapest deals for the full year

Deals for return flights from Seattle to Tokyo in January.

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Cheap car rent in Narita Intl

Updated Oct 10, 2026.

About these fares

These results come from our latest search across airlines for your currency. Prices change quickly and are not locked until you complete booking—always confirm the total and fare rules on the partner site.

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Cheapest one-way flights from Seattle (SEA) to Tokyo (NRT), January

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