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

One-Way flights

07 Nov	Frontier Airlines
12 Nov	Turkish Airlines
23 Nov	Turkish Airlines
06 Nov	Korean Air	direct
12 Nov	Delta	direct
16 Nov	Delta
08 Nov	Delta	direct
16 Nov	Delta	direct
15 Nov	Delta	direct
07 Nov	Delta	direct

Also check the deals for return flights from Chicago to Seoul in November.

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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Cheapest one-way flights from Chicago to Seoul in November from 446€

One-Way flights