Cheapest return flights from London to Istanbul in August from $222

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

Return flights

25 Aug - 09 Sep KLM
26 Aug - 16 Sep Air France
30 Aug - 16 Sep Air France
19 Aug - 09 Sep Air France
26 Aug - 09 Sep Air France
31 Aug - 09 Sep British Airways direct
21 Aug - 17 Sep KLM
29 Aug - 09 Sep British Airways direct
26 Aug - 16 Sep British Airways direct
30 Aug - 16 Sep British Airways direct
09 Aug - 09 Aug British Airways direct
07 Aug - 09 Aug British Airways
12 Aug - 13 Aug British Airways direct
11 Aug - 13 Aug British Airways direct
11 Aug - 12 Aug British Airways direct
03 Aug - 06 Aug British Airways
11 Aug - 17 Aug British Airways direct
04 Aug - 07 Aug KM Malta Airlines
08 Aug - 10 Aug British Airways direct
13 Aug - 14 Aug British Airways direct

Also check the deals for one-way 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

Feel free to contact us with any feedback or request another flight research.