AirHint found the following cheapest return flights from Chicago (MDW) to Seoul (ICN) in July 2026 (see full year).
Return flights
| 22 Jul - 06 Aug | Southwest Airlines | ||
| 22 Jul - 02 Aug | Southwest Airlines | ||
| 24 Jul - 02 Aug | Southwest Airlines | ||
| 17 Jul - 31 Jul | Southwest Airlines | ||
| 20 Jul - 04 Aug | Delta | ||
| 02 Jul - 13 Jul | Delta |
Also check the deals for one-way flights from Chicago to Seoul in July.
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