Cheapest return flights from Seattle to Tokyo in December from $611

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

Return flights

08 Dec - 17 Dec Air Canada
07 Dec - 17 Dec Air Canada
01 Dec - 11 Dec Alaska Airlines
01 Dec - 10 Dec Alaska Airlines
01 Dec - 17 Dec Alaska Airlines
03 Dec - 10 Dec Air Canada
03 Dec - 09 Dec Air Canada
02 Dec - 09 Dec Air Canada
03 Dec - 17 Dec Air Canada
01 Dec - 22 Dec Hawaiian Airlines direct
30 Dec - 13 Jan Alaska Airlines direct
29 Dec - 12 Jan Hawaiian Airlines direct
30 Dec - 09 Jan Japan Airlines direct
24 Dec - 11 Jan Air Canada
25 Dec - 11 Jan Air Canada
31 Dec - 09 Jan Japan Airlines direct
13 Dec - 13 Jan Air Canada
01 Dec - 01 Jan Japan Airlines direct
26 Dec - 01 Jan Japan Airlines direct
31 Dec - 10 Jan WestJet

Also check the deals for one-way flights from Seattle to Tokyo in December.

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