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Cheapest one-way flights from Seattle (SEA) to Seoul (ICN), May

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Dates, airline, and price
Dates	Airline	Price
01 May	EVA Air
01 May	Asiana Airlines Direct Flight
15 May	EVA Air
30 May	WestJet
15 May	Delta Direct Flight
30 May	Korean Air Direct Flight
29 May	Delta Direct Flight

deals for return flights from Seattle to Seoul in May.

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Updated Jul 16, 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 one-way flights from Seattle (SEA) to Seoul (ICN), May

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