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

Return flights

10 Nov - 24 Nov	KLM
03 Nov - 10 Nov	KLM
10 Nov - 20 Nov	KLM
01 Nov - 07 Dec	KLM
14 Nov - 17 Nov	KLM
14 Nov - 18 Nov	KLM
04 Nov - 16 Nov	KLM
24 Nov - 30 Nov	KLM
14 Nov - 20 Nov	KLM
15 Nov - 25 Nov	KLM
22 Nov - 01 Dec	KLM
26 Nov - 30 Nov	KLM
26 Nov - 01 Dec	KLM
28 Nov - 07 Dec	KLM
19 Nov - 16 Dec	KLM
28 Nov - 05 Dec	KLM
25 Nov - 07 Dec	KLM
28 Nov - 02 Dec	KLM
28 Nov - 03 Dec	KLM
28 Nov - 01 Dec	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.

Book a cheap hotel in Istanbul

Cheap car rent in Istanbul

Cheapest return flights from London to Istanbul in November from 179€

Return flights