AirHint found the following cheapest one-way flights from Cheju (CJU) to London (LHR) in January 2026 (see full year).
One-Way flights
| 08 Jan | Eastar Jet | ||
| 09 Jan | Asiana Airlines | ||
| 02 Jan | Jin Air | ||
| 22 Jan | Singapore Airlines | ||
| 06 Jan | Spring Airlines | ||
| 01 Jan | Air Busan | ||
| 07 Jan | Korean Air | ||
| 05 Jan | Jin Air | ||
| 04 Jan | Eastar Jet | ||
| 03 Jan | Air Seoul, Inc |
Also check the deals for return flights from Cheju to London in January.
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