Cheapest return flights from Seattle to Tokyo in December from 623€

AirHint found the following cheapest return flights from Seattle (SEA) to Tokyo (HND) in December 2026 (see full year).

Return flights

27 Dec - 06 Jan United direct
22 Dec - 28 Dec Korean Air
22 Dec - 28 Dec United direct
26 Dec - 05 Jan Cathay Pacific
16 Dec - 31 Dec United direct
27 Dec - 05 Jan United
25 Dec - 03 Jan ANA
12 Dec - 27 Dec Delta
25 Dec - 03 Jan United direct
20 Dec - 02 Jan Korean Air
18 Dec - 03 Jan WestJet
18 Dec - 01 Jan Delta direct
18 Dec - 03 Jan Delta direct

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

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