Cheapest return flights from London to Istanbul in August from $245

AirHint found the following cheapest return flights from London (LHR) to Istanbul (IST) in August 2026 (see full year).

Return flights

29 Aug - 05 Sep Air Serbia
09 Aug - 03 Sep Air Serbia
28 Aug - 14 Sep British Airways direct
01 Aug - 15 Aug Air Serbia
09 Aug - 16 Aug Air Serbia
20 Aug - 23 Sep British Airways direct
08 Aug - 13 Aug Air Serbia
07 Aug - 13 Aug Turkish Airlines direct
07 Aug - 12 Aug Turkish Airlines direct
28 Aug - 31 Aug SWISS
26 Aug - 07 Sep Air France
10 Aug - 23 Aug Air Serbia
04 Aug - 07 Aug Air Serbia
26 Aug - 06 Sep Air Serbia
08 Aug - 12 Aug Turkish Airlines direct
08 Aug - 13 Aug Turkish Airlines direct
31 Aug - 06 Sep Air Serbia
26 Aug - 05 Sep Lufthansa
27 Aug - 05 Sep Lufthansa
26 Aug - 07 Sep British Airways direct

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

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