Cheapest return flights from London to Istanbul in October from $335

Best time to book flights for London (LCY) to Istanbul (IST) flights at AirHint

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

Return flights

29 Oct - 19 Nov KLM
03 Oct - 07 Oct ITA Airways
17 Oct - 21 Oct Lufthansa
17 Oct - 24 Oct Lufthansa
06 Oct - 09 Oct ITA Airways
15 Oct - 20 Oct Lufthansa
01 Oct - 08 Oct Lufthansa
10 Oct - 14 Oct Lufthansa
10 Oct - 13 Oct ITA Airways
16 Oct - 23 Oct Lufthansa
06 Oct - 10 Oct Lufthansa
30 Oct - 04 Nov KLM
28 Oct - 04 Nov KLM
23 Oct - 02 Nov KLM
24 Oct - 02 Nov KLM

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

Skyscanner

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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