Cheapest one-way flights from Chicago to Seoul in October from 538€

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

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

One-Way flights

16 Oct Turkish Airlines
25 Oct Turkish Airlines
13 Oct Cathay Pacific
08 Oct Alaska Airlines
16 Oct Delta direct
25 Oct Delta direct
11 Oct Delta
13 Oct Delta direct
08 Oct Delta direct
10 Oct Emirates

Also check the deals for return 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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