Cheapest one-way flights from Chicago to Seoul in August from 403€

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

One-Way flights

31 Aug Frontier Airlines
13 Aug Hawaiian Airlines
23 Aug Frontier Airlines
28 Aug Spirit Airlines
18 Aug Frontier Airlines
06 Aug Frontier Airlines
16 Aug Frontier Airlines
24 Aug Spirit Airlines
15 Aug Frontier Airlines
09 Aug Frontier Airlines

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

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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