Cheapest one-way flights from Seattle to Seoul in June from $599

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 June 2025 (see full year).

One-Way flights

10 Jun Alaska Airlines
07 Jun Alaska Airlines
01 Jun Air Canada
26 Jun China Eastern
05 Jun Alaska Airlines
02 Jun Alaska Airlines
14 Jun Alaska Airlines
06 Jun Alaska Airlines
28 Jun Hawaiian Airlines
16 Jun Frontier Airlines

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

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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