Cheapest one-way flights from Seoul to Seattle in August from $520

AirHint found the following cheapest one-way flights from Seoul (ICN) to Seattle (SEA) in August 2026 (see full year).

One-Way flights

20 Aug China Airlines
08 Aug Cebu Pacific
07 Aug Cebu Pacific
02 Aug China Airlines
06 Aug Singapore Airlines
20 Aug Asiana Airlines direct
07 Aug Korean Air direct
06 Aug Delta direct
08 Aug Korean Air direct
02 Aug Delta direct

Also check the deals for return flights from Seoul to Seattle in August.

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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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