Cheapest one-way flights from Seattle to Seoul in August from 566€

Best time to book flights for Seattle (SEA) to Seoul (ICN) flights at AirHint

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

One-Way flights

08 Aug China Airlines
15 Aug China Airlines
29 Aug China Airlines
01 Aug China Airlines
28 Aug Alaska Airlines
01 Aug Delta direct
08 Aug Delta direct
15 Aug Asiana Airlines direct
28 Aug Asiana Airlines direct
29 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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