AirHint found the following cheapest return flights from London (LCY) to Istanbul (IST) in November 2025 (see full year).

Return flights

25 Nov - 02 Dec	SWISS
20 Nov - 25 Nov	SWISS
17 Nov - 20 Nov	SWISS
20 Nov - 24 Nov	SWISS
29 Nov - 03 Dec	SWISS
22 Nov - 25 Nov	SWISS
27 Nov - 02 Dec	SWISS
29 Nov - 02 Dec	KLM
20 Nov - 27 Nov	SWISS
27 Nov - 05 Dec	KLM
27 Nov - 03 Dec	KLM
27 Nov - 01 Dec	KLM
27 Nov - 04 Dec	KLM
28 Nov - 01 Dec	KLM
28 Nov - 12 Dec	KLM
19 Nov - 24 Nov	SWISS
21 Nov - 24 Nov	KLM
21 Nov - 26 Nov	KLM
21 Nov - 28 Nov	KLM
21 Nov - 25 Nov	KLM

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

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 November from 214€

Return flights