AirHint found the following cheapest return flights from Shenzhen (SZX) to Seoul (ICN) in March 2026 (see full year).
Return flights
| 13 Mar - 16 Mar | Asiana Airlines | direct | |
| 01 Mar - 06 Mar | Korean Air | direct | |
| 29 Mar - 05 Apr | Asiana Airlines | direct | |
| 01 Mar - 07 Mar | Korean Air | direct |
Also check the deals for one-way flights from Shenzhen to Seoul in March.
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