Cheapest one-way flights from Chicago to Seoul in October from $443

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

One-Way flights

14 Oct Spirit Airlines
16 Oct Spirit Airlines
25 Oct Turkish Airlines
20 Oct Turkish Airlines
01 Oct Turkish Airlines
11 Oct WestJet
10 Oct WestJet
07 Oct Spirit Airlines
03 Oct Etihad Airways
17 Oct Turkish Airlines

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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