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

Return flights

22 Sep - 26 Sep	SWISS
19 Sep - 23 Sep	SWISS
18 Sep - 30 Sep	SWISS
19 Sep - 22 Sep	SWISS
20 Sep - 26 Sep	SWISS
18 Sep - 23 Sep	SWISS
18 Sep - 24 Sep	SWISS
20 Sep - 29 Sep	SWISS
16 Sep - 07 Oct	Lufthansa
16 Sep - 30 Sep	Lufthansa
26 Sep - 30 Sep	SWISS
18 Sep - 09 Oct	SWISS
18 Sep - 27 Oct	SWISS
29 Sep - 03 Oct	SWISS
20 Sep - 29 Oct	SWISS
25 Sep - 02 Oct	Lufthansa
23 Sep - 06 Oct	Lufthansa
23 Sep - 03 Oct	Lufthansa
23 Sep - 02 Oct	Lufthansa
27 Sep - 02 Oct	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 217€

Return flights