AirHint found the following cheapest return flights from London (LCY) to Istanbul (SAW) in August 2026 (see full year).

Return flights

25 Aug - 25 Sep	KLM
30 Aug - 06 Sep	KLM
11 Aug - 06 Sep	KLM
29 Aug - 30 Sep	KLM
20 Aug - 01 Sep	KLM
06 Aug - 13 Aug	KLM
03 Aug - 01 Sep	KLM
01 Aug - 01 Sep	KLM
03 Aug - 06 Aug	KLM
03 Aug - 09 Aug	KLM
02 Aug - 01 Sep	KLM
05 Aug - 01 Sep	KLM
01 Aug - 04 Aug	KLM
01 Aug - 02 Sep	KLM
19 Aug - 26 Aug	Air Dolomiti
28 Aug - 31 Aug	KLM
24 Aug - 31 Aug	KLM
18 Aug - 30 Aug	KLM
14 Aug - 16 Aug	KLM
17 Aug - 21 Aug	SWISS

Also check the deals for one-way flights from London to Istanbul in August.

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 Istanbul in August from 423€

Return flights