AirHint found the following cheapest return flights from Glasgow (GLA) to Seoul (ICN) in December 2025 (see full year).
Return flights
| 16 Dec - 14 Jan | easyJet | ||
| 14 Dec - 05 Jan | Ryanair | ||
| 09 Dec - 09 Jan | Lufthansa | ||
| 19 Dec - 07 Jan | easyJet | ||
| 20 Dec - 04 Jan | Ryanair | ||
| 20 Dec - 03 Jan | Ryanair | ||
| 13 Dec - 11 Jan | KLM | ||
| 13 Dec - 06 Jan | KLM |
Also check the deals for one-way flights from Glasgow to Seoul in December.
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