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

Return flights

30 Apr - 13 May	Ryanair	direct
30 Apr - 14 May	Ryanair	direct
30 Apr - 08 May	Ryanair	direct
30 Apr - 05 May	Ryanair	direct
08 Apr - 15 Apr	Ryanair	direct
09 Apr - 15 Apr	Ryanair	direct
10 Apr - 13 Apr	Ryanair
09 Apr - 11 Apr	Ryanair	direct
08 Apr - 11 Apr	Ryanair	direct
10 Apr - 15 Apr	Ryanair	direct
09 Apr - 10 Apr	Ryanair	direct
08 Apr - 10 Apr	Ryanair	direct
30 Apr - 17 May	Ryanair	direct
04 Apr - 15 Apr	Ryanair	direct
09 Apr - 13 Apr	Ryanair	direct
30 Apr - 04 May	Ryanair	direct

Also check the deals for one-way flights from London 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 London to Sofia in April from 132€

Return flights