Cheapest return flights from Seattle to Tokyo in December from $558

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

Return flights

03 Dec - 17 Dec Asiana Airlines
01 Dec - 17 Dec Asiana Airlines
01 Dec - 08 Dec Asiana Airlines
03 Dec - 04 Dec Asiana Airlines
01 Dec - 13 Dec Asiana Airlines
07 Dec - 16 Dec Hawaiian Airlines direct
01 Dec - 17 Dec Hawaiian Airlines direct
02 Dec - 16 Dec Asiana Airlines
08 Dec - 21 Dec Asiana Airlines
01 Dec - 08 Dec Hawaiian Airlines direct
30 Dec - 18 Jan Asiana Airlines
29 Dec - 13 Jan Korean Air
31 Dec - 08 Jan Japan Airlines
31 Dec - 08 Jan Japan Airlines direct
30 Dec - 09 Jan WestJet
30 Dec - 08 Jan WestJet
28 Dec - 02 Jan WestJet
14 Dec - 17 Jan Air Canada
10 Dec - 09 Jan Japan Airlines direct
14 Dec - 18 Jan Air Canada

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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