Cheapest return flights from London to Sofia in September from 85€

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

Return flights

30 Sep - 21 Oct Ryanair direct
25 Sep - 15 Oct Ryanair direct
25 Sep - 08 Oct Ryanair direct
30 Sep - 15 Oct Ryanair direct
30 Sep - 08 Oct Ryanair direct
15 Sep - 02 Oct Ryanair direct
25 Sep - 02 Oct Ryanair direct
15 Sep - 06 Oct Ryanair direct
25 Sep - 06 Oct Ryanair direct
25 Sep - 12 Oct Ryanair direct
25 Sep - 28 Sep Ryanair direct
15 Sep - 28 Sep Ryanair direct
07 Sep - 14 Sep Ryanair direct
11 Sep - 14 Sep Ryanair direct
10 Sep - 14 Sep Ryanair direct
10 Sep - 28 Sep Ryanair direct
11 Sep - 28 Sep Ryanair direct
07 Sep - 28 Sep Ryanair direct
07 Sep - 15 Sep Ryanair direct
10 Sep - 15 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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