AirHint found the following cheapest return flights from London (LCY) to Sarajevo (SJJ) in September 2025 (see full year).

Return flights

26 Sep - 30 Sep	SWISS
25 Sep - 30 Sep	SWISS
26 Sep - 01 Oct	SWISS
25 Sep - 22 Oct	SWISS
30 Sep - 08 Oct	Lufthansa
30 Sep - 07 Oct	Lufthansa
23 Sep - 01 Oct	Lufthansa
23 Sep - 30 Sep	Lufthansa
22 Sep - 26 Sep	Lufthansa
22 Sep - 02 Oct	Lufthansa
23 Sep - 02 Oct	Lufthansa
25 Sep - 29 Sep	SWISS
20 Sep - 30 Sep	SWISS
23 Sep - 29 Sep	Lufthansa
19 Sep - 23 Sep	SWISS
24 Sep - 02 Oct	SWISS
30 Sep - 09 Oct	Lufthansa
19 Sep - 12 Oct	SWISS
15 Sep - 26 Sep	Lufthansa
27 Sep - 30 Sep	SWISS

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

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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Cheapest return flights from London to Sarajevo in September from 215€

Return flights