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

Return flights

27 Nov - 01 Dec	KLM
28 Nov - 08 Dec	KLM
28 Nov - 01 Dec	KLM
25 Nov - 02 Dec	KLM
25 Nov - 05 Dec	KLM
25 Nov - 01 Dec	KLM
26 Nov - 05 Dec	KLM
24 Nov - 01 Dec	Lufthansa
24 Nov - 10 Dec	Lufthansa
25 Nov - 18 Dec	Lufthansa
18 Nov - 20 Nov	SWISS
17 Nov - 18 Nov	Lufthansa
25 Nov - 30 Nov	Lufthansa
28 Nov - 30 Nov	Lufthansa
26 Nov - 30 Nov	Lufthansa
27 Nov - 30 Nov	Lufthansa
24 Nov - 30 Nov	Lufthansa
20 Nov - 25 Nov	SWISS
27 Nov - 29 Nov	Lufthansa
24 Nov - 25 Nov	Lufthansa

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 $244

Return flights