Cheapest one-way flights from Chicago to Seoul in October from 520€

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

One-Way flights

27 Oct Alaska Airlines
23 Oct Alaska Airlines
14 Oct Alaska Airlines
04 Oct Turkish Airlines
03 Oct Alaska Airlines
14 Oct Delta direct
23 Oct Korean Air direct
27 Oct Delta direct
04 Oct Delta direct
03 Oct Delta direct

Also check the deals for return 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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