AirHint found the following cheapest return flights from Southend (SEN) to Sofia (SOF) in April 2026 (see full year).

Return flights

24 Apr - 28 Apr	easyJet
15 Apr - 21 Apr	easyJet
10 Apr - 13 Apr	easyJet
10 Apr - 21 Apr	easyJet
10 Apr - 14 Apr	easyJet
18 Apr - 23 Apr	easyJet
10 Apr - 12 Apr	easyJet
04 Apr - 13 Apr	easyJet
02 Apr - 16 Apr	easyJet
18 Apr - 26 Apr	easyJet
27 Apr - 04 May	easyJet
24 Apr - 04 May	easyJet
28 Apr - 02 May	easyJet
30 Apr - 05 May	easyJet
30 Apr - 03 May	easyJet
30 Apr - 04 May	easyJet
30 Apr - 02 May	easyJet

Also check the deals for one-way flights from Southend to Sofia in April.

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 Sofia in April from $177

Return flights