AirHint found the following cheapest return flights from Haiphong (HPH) to Seoul (ICN) in December 2025 (see full year).
Return flights
| 19 Dec - 22 Dec | VietJet Air | ||
| 12 Dec - 15 Dec | VietJet Air | ||
| 19 Dec - 26 Dec | VietJet Air | ||
| 18 Dec - 25 Dec | VietJet Air | ||
| 27 Dec - 01 Jan | VietJet Air | ||
| 30 Dec - 06 Jan | VietJet Air | ||
| 28 Dec - 03 Jan | VietJet Air |
Also check the deals for one-way flights from Haiphong to Seoul in December.
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