Cheapest return flights from London to Sofia in September from 68€

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

Return flights

30 Sep - 13 Oct Ryanair direct
26 Sep - 13 Oct Ryanair direct
27 Sep - 13 Oct Ryanair direct
28 Sep - 13 Oct Ryanair direct
29 Sep - 13 Oct Ryanair direct
24 Sep - 13 Oct Ryanair direct
30 Sep - 19 Oct Ryanair direct
28 Sep - 19 Oct Ryanair direct
29 Sep - 19 Oct Ryanair direct
08 Sep - 27 Sep Ryanair direct
16 Sep - 01 Oct Ryanair direct
16 Sep - 27 Sep Ryanair direct
26 Sep - 27 Sep Ryanair direct
07 Sep - 27 Sep Ryanair direct
18 Sep - 27 Sep Ryanair direct
08 Sep - 26 Sep Ryanair direct
06 Sep - 27 Sep Ryanair direct
11 Sep - 27 Sep Ryanair direct
16 Sep - 26 Sep Ryanair direct
14 Sep - 27 Sep Ryanair direct

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

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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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