Cheapest return flights from Chicago to Seoul in August from 653€

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

Return flights

26 Aug - 09 Sep Cathay Pacific
26 Aug - 04 Sep Cathay Pacific
31 Aug - 10 Sep Cathay Pacific
31 Aug - 11 Sep Cathay Pacific
20 Aug - 27 Aug WestJet
30 Aug - 05 Sep Frontier Airlines
21 Aug - 23 Sep Cathay Pacific
25 Aug - 29 Aug Frontier Airlines
21 Aug - 28 Aug Frontier Airlines
23 Aug - 01 Sep Frontier Airlines
28 Aug - 01 Sep Cathay Pacific
23 Aug - 28 Aug Frontier Airlines
30 Aug - 02 Sep EVA Air
22 Aug - 29 Aug Turkish Airlines
23 Aug - 26 Aug EVA Air
17 Aug - 23 Aug Frontier Airlines
18 Aug - 24 Aug Finnair
31 Aug - 10 Sep Korean Air direct
25 Aug - 29 Aug Delta direct
20 Aug - 27 Aug Delta direct

Also check the deals for one-way 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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