Cheapest return flights from London to Istanbul in August from $170

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

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

Return flights

27 Aug - 18 Sep Pegasus Airlines direct
31 Aug - 30 Sep Pegasus Airlines direct
29 Aug - 04 Sep Pegasus Airlines
28 Aug - 04 Sep Pegasus Airlines
29 Aug - 07 Sep Pegasus Airlines
31 Aug - 13 Sep Pegasus Airlines
30 Aug - 07 Sep Pegasus Airlines
26 Aug - 07 Sep Pegasus Airlines
31 Aug - 07 Sep Pegasus Airlines
30 Aug - 09 Sep Pegasus Airlines
20 Aug - 26 Aug Pegasus Airlines
21 Aug - 26 Aug Pegasus Airlines
22 Aug - 26 Aug Pegasus Airlines
28 Aug - 31 Aug Pegasus Airlines
29 Aug - 31 Aug Pegasus Airlines
26 Aug - 31 Aug Pegasus Airlines
27 Aug - 31 Aug Pegasus Airlines
22 Aug - 27 Aug Pegasus Airlines
20 Aug - 21 Aug Pegasus Airlines
22 Aug - 25 Aug Pegasus Airlines

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

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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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