Cheapest return flights from Seattle to Seoul in December from 862€

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

Return flights

28 Dec - 22 Jan Turkish Airlines
03 Dec - 28 Dec Korean Air direct
28 Dec - 22 Jan Korean Air direct
28 Dec - 06 Jan United
14 Dec - 30 Jan Air Canada
16 Dec - 21 Jan Korean Air direct
14 Dec - 30 Jan Delta direct
28 Dec - 06 Jan Korean Air direct

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

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