AirHint found the following cheapest return flights from Southend (SEN) to Seoul (ICN) in January 2026 (see full year).

Return flights

11 Jan - 21 Jan	easyJet
12 Jan - 18 Jan	easyJet
15 Jan - 21 Jan	easyJet
08 Jan - 15 Jan	easyJet
11 Jan - 18 Jan	easyJet
10 Jan - 15 Jan	easyJet
10 Jan - 17 Jan	easyJet
11 Jan - 17 Jan	easyJet
15 Jan - 29 Jan	easyJet
01 Jan - 14 Jan	easyJet
29 Jan - 08 Feb	easyJet
25 Jan - 01 Feb	easyJet
19 Jan - 18 Feb	easyJet
25 Jan - 09 Feb	easyJet
01 Jan - 05 Feb	easyJet
25 Jan - 12 Feb	easyJet
12 Jan - 03 Feb	easyJet
15 Jan - 12 Feb	easyJet
15 Jan - 15 Feb	easyJet
01 Jan - 01 Feb	easyJet

Also check the deals for one-way flights from Southend to Seoul in January.

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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Cheapest return flights from Southend to Seoul in January from 536€

Return flights