AirHint found the following cheapest return flights from Cleveland (CLE) to Seoul (ICN) in October 2025 (see full year).

Return flights

04 Oct - 01 Nov	Air Canada
04 Oct - 21 Oct	Air Canada
01 Oct - 15 Oct	Air Canada
01 Oct - 22 Oct	Air Canada
07 Oct - 14 Oct	Hawaiian Airlines
08 Oct - 14 Oct	Hawaiian Airlines
07 Oct - 30 Oct	United
08 Oct - 16 Oct	United

Also check the deals for one-way flights from Cleveland to Seoul in October.

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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Cheapest return flights from Cleveland to Seoul in October from 773€

Return flights