Cheapest return flights from Chicago to Seoul in August from $924

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

Return flights

18 Aug - 26 Aug Cathay Pacific
25 Aug - 08 Sep Cathay Pacific
19 Aug - 02 Sep Cathay Pacific
22 Aug - 01 Sep Cathay Pacific
18 Aug - 31 Aug Cathay Pacific
29 Aug - 07 Sep Cathay Pacific
28 Aug - 06 Sep Cathay Pacific
05 Aug - 20 Sep Air Canada
23 Aug - 20 Sep Air Canada
16 Aug - 23 Aug Spirit Airlines
19 Aug - 30 Aug Cathay Pacific
05 Aug - 15 Sep Air Canada
14 Aug - 21 Aug Sun Country Airlines
19 Aug - 30 Sep Air Canada
12 Aug - 26 Aug Alaska Airlines
04 Aug - 06 Sep Turkish Airlines
13 Aug - 22 Aug Alaska Airlines
01 Aug - 19 Aug Frontier Airlines
01 Aug - 23 Aug Frontier Airlines
06 Aug - 23 Aug Turkish Airlines

Also check the deals for one-way flights from Chicago to Seoul in August.

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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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