Cheapest return SEA–NRT flights, December

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

Return flights

30 Dec - 22 Jan United
30 Dec - 22 Jan Japan Airlines direct
05 Dec - 21 Dec Air Canada
05 Dec - 21 Dec Japan Airlines direct
17 Dec - 23 Dec Korean Air
11 Dec - 19 Dec Korean Air
25 Dec - 10 Jan Asiana Airlines
14 Dec - 31 Dec Qatar Airways
25 Dec - 01 Jan Qatar Airways
23 Dec - 08 Jan Qatar Airways
24 Dec - 03 Jan Qatar Airways
13 Dec - 03 Jan Qatar Airways
11 Dec - 19 Dec Alaska Airlines direct
16 Dec - 02 Jan Air Canada
23 Dec - 08 Jan Japan Airlines direct
20 Dec - 26 Dec SWISS

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

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