AirHint found the following cheapest return flights from Southend (SEN) to Bucharest (OTP) in December 2025 (see full year).

Return flights

08 Dec - 11 Dec	easyJet
06 Dec - 07 Dec	easyJet
15 Dec - 18 Dec	easyJet
15 Dec - 22 Dec	easyJet
08 Dec - 12 Dec	easyJet
14 Dec - 17 Dec	easyJet
08 Dec - 10 Dec	easyJet
28 Dec - 01 Jan	easyJet
01 Dec - 03 Dec	easyJet
12 Dec - 14 Dec	easyJet
10 Dec - 11 Dec	easyJet
29 Dec - 01 Jan	easyJet
21 Dec - 01 Jan	easyJet
21 Dec - 05 Jan	easyJet
26 Dec - 08 Jan	easyJet
12 Dec - 12 Jan	easyJet
12 Dec - 05 Jan	easyJet
26 Dec - 01 Jan	easyJet
30 Dec - 08 Jan	easyJet
19 Dec - 11 Jan	easyJet

Also check the deals for one-way flights from Southend to Bucharest in December.

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 Bucharest in December from $176

Return flights