Cheapest one-way flights from Chicago to Seoul in August from $441

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

One-Way flights

26 Aug Spirit Airlines
12 Aug Spirit Airlines
18 Aug Turkish Airlines
27 Aug Turkish Airlines
20 Aug Turkish Airlines
11 Aug Turkish Airlines
06 Aug Turkish Airlines
24 Aug Turkish Airlines
04 Aug Cathay Pacific
05 Aug Cathay Pacific

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.

Book a cheap hotel in Seoul

Cheap car rent in Seoul

Feel free to contact us with any feedback or request another flight research.