Cheapest one-way flights from London to Istanbul in September from 142€

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

AirHint found the following cheapest one-way flights from London (LCY) to Istanbul (IST) in September 2025 (see full year).

One-Way flights

10 Sep ITA Airways
19 Sep KLM
12 Sep Lufthansa
02 Sep Lufthansa
08 Sep Lufthansa
04 Sep Lufthansa
30 Sep Lufthansa
24 Sep Lufthansa
05 Sep Lufthansa
11 Sep Lufthansa

Also check the deals for return flights from London to Istanbul in September.

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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