Cheapest return flights from Seattle to Tokyo in December from $812

Best time to book flights for Seattle (SEA) to Tokyo (NRT) flights at AirHint

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

Return flights

08 Dec - 13 Dec Alaska Airlines
08 Dec - 13 Dec Hawaiian Airlines direct
01 Dec - 29 Dec Japan Airlines direct
30 Dec - 06 Jan Alaska Airlines
31 Dec - 18 Jan Air Canada
31 Dec - 07 Jan Air Canada
23 Dec - 07 Jan WestJet
19 Dec - 27 Dec Air Canada
22 Dec - 01 Jan Alaska Airlines
30 Dec - 06 Jan American Airlines direct
19 Dec - 27 Dec Japan Airlines direct
17 Dec - 02 Jan Alaska Airlines
21 Dec - 04 Jan Korean Air
20 Dec - 04 Jan WestJet
17 Dec - 02 Jan American Airlines direct

Also check the deals for one-way 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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