Cheapest one-way flights from Chicago to Seoul in October from 430€

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

One-Way flights

02 Oct WestJet
20 Oct Turkish Airlines
31 Oct Spirit Airlines
11 Oct Turkish Airlines
05 Oct Air Canada
10 Oct Frontier Airlines
07 Oct United
20 Oct Korean Air direct
07 Oct Korean Air direct
02 Oct Delta direct

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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