Cheapest one-way flights from Seattle to Seoul in May from 299€

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

One-Way flights

05 May Cathay Pacific
07 May Cathay Pacific
06 May Cathay Pacific
03 May Air Canada
14 May Philippine Airlines
05 May Asiana Airlines direct
11 May Asiana Airlines direct
06 May Asiana Airlines direct
13 May Asiana Airlines direct
18 May Asiana Airlines direct

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

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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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