Cheapest return flights from Chicago to Seoul in October from $992

Best time to book flights for Chicago (ORD) to Seoul (ICN) flights at AirHint

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

Return flights

24 Oct - 31 Oct Turkish Airlines
24 Oct - 31 Oct Korean Air direct

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

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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