Cheapest one-way flights from Seattle to Seoul in May from 412€

AirHint found the following cheapest one-way flights from Seattle (SEA) to Seoul (ICN) in May 2026 (see full year).

One-Way flights

02 May Air Canada
20 May Air Canada
21 May Alaska Airlines
31 May WestJet
22 May WestJet
22 May Asiana Airlines direct
20 May Asiana Airlines direct
21 May Asiana Airlines direct
31 May Asiana Airlines direct
02 May Korean Air direct

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

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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