Cheapest return flights from Seoul to Seattle in January from $552

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

Return flights

31 Jan - 12 Feb Air Canada
31 Jan - 22 Feb Air Canada
31 Jan - 05 Feb Air Canada
30 Jan - 22 Feb United
30 Jan - 04 Feb United
30 Jan - 28 Feb United
30 Jan - 09 Feb United
30 Jan - 15 Feb United
31 Jan - 28 Feb United
30 Jan - 07 Feb United
24 Jan - 31 Jan American Airlines
29 Jan - 31 Jan United
23 Jan - 26 Jan Air Canada
22 Jan - 29 Jan Hong Kong Airlines
29 Jan - 31 Jan Alaska Airlines direct
26 Jan - 29 Jan Air Canada
25 Jan - 29 Jan Air Canada
27 Jan - 31 Jan Air Canada
25 Jan - 30 Jan T'way Air
21 Jan - 23 Jan United

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

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