Cheapest return flights from Chicago to Seoul in October from $953

AirHint found the following cheapest return flights from Chicago (ORD) to Seoul (ICN) in October 2026 (see full year).

Return flights

31 Oct - 16 Nov Turkish Airlines
04 Oct - 11 Oct Cathay Pacific
02 Oct - 09 Oct Cathay Pacific
10 Oct - 18 Oct EVA Air
08 Oct - 01 Nov Alaska Airlines
04 Oct - 01 Nov Cathay Pacific
16 Oct - 24 Oct Air Canada
10 Oct - 17 Oct Air Canada
24 Oct - 07 Nov Air Canada
31 Oct - 16 Nov Delta direct
08 Oct - 01 Nov Delta direct
10 Oct - 18 Oct Delta direct
16 Oct - 24 Oct Delta direct
24 Oct - 07 Nov Delta direct
10 Oct - 17 Oct Delta direct
02 Oct - 09 Oct Korean Air direct
04 Oct - 11 Oct Delta direct
04 Oct - 01 Nov Korean Air direct

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

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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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