AirHint found the following cheapest one-way flights from Chicago (MDW) to Seoul (ICN) in April 2026 (see full year).
One-Way flights
| 02 Apr | Frontier Airlines | ||
| 06 Apr | Frontier Airlines | ||
| 03 Apr | Frontier Airlines | ||
| 20 Apr | Delta | ||
| 09 Apr | Delta | ||
| 22 Apr | Delta | ||
| 21 Apr | Delta | ||
| 27 Apr | Delta | ||
| 19 Apr | Delta | ||
| 24 Apr | Delta |
Also check the deals for return flights from Chicago to Seoul in April.
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