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

Select a price to book. see full year.

Dates, airline, and price
Dates	Airline	Price
07 Aug	WestJet
27 Aug	WestJet
08 Aug	WestJet
30 Aug	WestJet
01 Aug	WestJet
17 Aug	WestJet
06 Aug	WestJet
14 Aug	WestJet
26 Aug	WestJet
19 Aug	Frontier Airlines

deals for return flights from Seattle to Seoul in August.

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Cheap car rent in Incheon Intl

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

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