Cheapest one-way flights from London to Istanbul in August from $144

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

One-Way flights

15 Aug KLM
16 Aug KLM
07 Aug KLM
20 Aug SWISS
27 Aug British Airways
26 Aug British Airways
13 Aug SWISS
19 Aug British Airways
18 Aug British Airways
12 Aug KLM

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

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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