Cheapest one-way flights from London to Istanbul in August from $158

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 August 2025 (see full year).

One-Way flights

14 Aug British Airways
12 Aug British Airways
24 Aug SWISS
19 Aug SWISS
11 Aug British Airways
22 Aug Lufthansa
28 Aug Lufthansa
29 Aug Lufthansa
08 Aug Lufthansa
18 Aug Lufthansa

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.

Book a cheap hotel in Istanbul

Cheap car rent in Istanbul