Cheapest one-way flights from Seattle to Seoul in August from 381€

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

One-Way flights

21 Aug WestJet
19 Aug Air Canada
17 Aug Air Canada
23 Aug Alaska Airlines
25 Aug Alaska Airlines
27 Aug Air Canada
24 Aug Air Canada
31 Aug Air Canada
06 Aug WestJet
22 Aug WestJet

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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