Cheapest return flights from Seattle to Seoul in May from 931€

Best time to book flights for Seattle (SEA) to Seoul (ICN) flights at AirHint

AirHint found the following cheapest return flights from Seattle (SEA) to Seoul (ICN) in May 2025 (see full year).

Return flights

01 May - 12 May Air Canada
01 May - 06 May Air Canada
01 May - 12 May Asiana Airlines direct
01 May - 06 May Asiana Airlines direct
10 May - 26 May Delta direct
10 May - 31 May Delta direct
28 May - 04 Jun Hawaiian Airlines
28 May - 04 Jun Asiana Airlines direct

Also check the deals for one-way 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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