Cheapest return flights from Seattle (SEA) to Seoul (ICN), December

Select a price to book. see full year.

Dates, airline, and price
Dates Airline Price
01 Dec 08 Dec Qatar Airways
01 Dec 08 Dec Asiana Airlines
Direct Flight
09 Dec 23 Dec Cathay Pacific
09 Dec 23 Dec Korean Air
Direct Flight
26 Dec 05 Jan United
18 Dec 10 Jan Korean Air
11 Dec 02 Jan Air Canada
18 Dec 10 Jan Korean Air
Direct Flight
14 Dec 02 Jan Korean Air
Direct Flight
11 Dec 02 Jan Korean Air
Direct Flight
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Updated May 21, 2026.

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