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

Return flights

15 Mar - 22 Mar	SWISS
08 Mar - 16 Mar	SWISS
11 Mar - 16 Mar	SWISS
01 Mar - 08 Mar	SWISS
04 Mar - 08 Mar	SWISS
11 Mar - 15 Mar	SWISS
08 Mar - 10 Mar	SWISS
04 Mar - 11 Mar	SWISS
15 Mar - 17 Mar	SWISS
11 Mar - 25 Mar	SWISS
31 Mar - 02 Apr	SWISS
25 Mar - 13 Apr	SWISS
25 Mar - 01 Apr	SWISS
29 Mar - 02 Apr	SWISS
26 Mar - 09 Apr	Lufthansa
31 Mar - 05 Apr	SWISS
29 Mar - 08 Apr	SWISS
29 Mar - 05 Apr	SWISS
27 Mar - 01 Apr	SWISS
30 Mar - 07 Apr	SWISS

Also check the deals for one-way flights from London to Sofia in March.

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.

Book a cheap hotel in Sofia

Cheap car rent in Sofia

Cheapest return flights from London to Sofia in March from 193€

Return flights