Cheapest one-way flights from London to Sofia in September from 18€

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

One-Way flights

30 Sep Ryanair direct
29 Sep Ryanair direct
24 Sep Wizz Air direct
23 Sep Wizz Air direct
26 Sep Wizz Air direct
25 Sep Wizz Air direct
21 Sep Wizz Air direct
27 Sep Ryanair direct
22 Sep Wizz Air direct
28 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.

Book a cheap hotel in Sofia

Cheap car rent in Sofia

Feel free to contact us with any feedback or request another flight research.