Cheapest return flights from London to Sofia in September from $78

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

Return flights

30 Sep - 21 Oct Wizz Air direct
30 Sep - 20 Oct Wizz Air direct
30 Sep - 12 Oct Wizz Air direct
30 Sep - 18 Oct Wizz Air direct
16 Sep - 05 Oct Ryanair direct
25 Sep - 12 Oct Wizz Air direct
20 Sep - 02 Oct Wizz Air direct
30 Sep - 05 Oct Wizz Air direct
21 Sep - 12 Oct Wizz Air direct
16 Sep - 02 Oct Ryanair direct
07 Sep - 24 Sep Wizz Air direct
16 Sep - 24 Sep Ryanair direct
25 Sep - 28 Sep Wizz Air direct
04 Sep - 24 Sep Ryanair direct
18 Sep - 24 Sep Wizz Air direct
13 Sep - 24 Sep Wizz Air direct
14 Sep - 24 Sep Wizz Air direct
15 Sep - 24 Sep Wizz Air direct
20 Sep - 24 Sep Wizz Air direct
03 Sep - 24 Sep Wizz Air 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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