Cheapest one-way flights from Seattle to Seoul in June from 608€

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

12 Jun WestJet
23 Jun WestJet
26 Jun WestJet
20 Jun Air Canada
06 Jun Air Canada
23 Jun Asiana Airlines direct
25 Jun Asiana Airlines direct
26 Jun Asiana Airlines direct
06 Jun Asiana Airlines direct
12 Jun Asiana Airlines direct

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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