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

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Dates, airline, and price
Dates	Airline	Price
19 Mar 27 Mar	China Airlines
21 Mar 31 Mar	Turkish Airlines
01 Mar 01 Apr	Asiana Airlines Direct Flight
19 Mar 27 Mar	Delta Direct Flight
21 Mar 31 Mar	Delta Direct Flight
17 Mar 24 Mar	Delta Direct Flight

deals for one-way flights from Seattle to Seoul in March.

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Updated May 21, 2026.

About these fares

These results come from our latest search across airlines for your currency. Prices change quickly and are not locked until you complete booking—always confirm the total and fare rules on the partner site.

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

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