Cheapest one-way flights from London to Sofia in September from 15€

AirHint found the following cheapest one-way flights from London (STN) to Sofia (SOF) in September 2025 (see full year).

One-Way flights

23 Sep Ryanair direct
25 Sep Ryanair direct
10 Sep Ryanair direct
16 Sep Ryanair direct
07 Sep Ryanair direct
24 Sep Ryanair direct
30 Sep Ryanair direct
02 Sep Ryanair direct
11 Sep Ryanair direct
15 Sep Ryanair direct

Also check the deals for return flights from London to Sofia in September.

Skyscanner

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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