Below you can find the flight schedule for Seoul to Seoul for December. If you are looking for flight fares, please check the cheap flights Seoul to Seoul, or you can use the search form at the top.
| Airline | Flight number | Departure | Arrival | Flight time |
| Asiana Airlines | OZ731 | 07:30 | 11:00 | 5h 30m |
| Asiana Airlines | OZ735 | 19:25 | 22:50 | 5h 25m |
| Korean Air | KE469 | 09:10 | 12:50 | 5h 40m |
| Korean Air | KE475 | 18:30 | 22:15 | 5h 45m |
| Korean Air | KE477 | 19:35 | 23:20 | 5h 45m |
| Tway Airlines | TW121 | 20:35 | 00:30 | 5h 55m |
| VietJet Air | VJ865 | 07:00 | 10:30 | 5h 30m |
| VietJet Air | VJ863 | 10:50 | 14:20 | 5h 30m |
| VietJet Air | VJ861 | 21:15 | 00:45 | 5h 30m |
| Vietnam Airlines | VN409 | 10:35 | 14:15 | 5h 40m |
| Vietnam Airlines | VN403 | 17:55 | 21:25 | 5h 30m |
