Cheapest return flights from Chicago to Seoul in October from 950€

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

12 Oct - 10 Nov Cathay Pacific
01 Oct - 11 Oct Turkish Airlines
24 Oct - 08 Nov Turkish Airlines
02 Oct - 05 Oct Turkish Airlines
12 Oct - 19 Oct Cathay Pacific
03 Oct - 12 Oct Etihad Airways
04 Oct - 18 Oct Air Canada
04 Oct - 11 Oct Etihad Airways
04 Oct - 25 Oct Air Canada
03 Oct - 11 Oct Alaska Airlines
01 Oct - 11 Oct Delta direct
04 Oct - 18 Oct Korean Air direct
24 Oct - 08 Nov Delta direct
12 Oct - 10 Nov 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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