AirHint found the following cheapest return flights from Southend (SEN) to Seoul (ICN) in December 2025 (see full year).
Return flights
| 31 Dec - 18 Jan | easyJet | ||
| 29 Dec - 06 Jan | easyJet | ||
| 29 Dec - 30 Dec | easyJet | ||
| 31 Dec - 11 Jan | easyJet | ||
| 29 Dec - 10 Jan | easyJet | ||
| 27 Dec - 29 Dec | easyJet | ||
| 28 Dec - 03 Jan | easyJet | ||
| 28 Dec - 05 Jan | easyJet |
Also check the deals for one-way flights from Southend to Seoul in December.
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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.
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