Cheapest one-way flights from Seattle to Seoul in August from 363€

AirHint found the following cheapest one-way flights from Seattle (SEA) to Seoul (ICN) in August 2025 (see full year).

One-Way flights

27 Aug Alaska Airlines
18 Aug Asiana Airlines direct
14 Aug Asiana Airlines direct
21 Aug Asiana Airlines direct
25 Aug Asiana Airlines direct
31 Aug Asiana Airlines direct
12 Aug Asiana Airlines direct
17 Aug Asiana Airlines direct
05 Aug Asiana Airlines direct
22 Aug Asiana Airlines direct

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

Skyscanner

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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