Cheapest return flights from London to Istanbul in September from 169€

Best time to book flights for London (LHR) to Istanbul (SAW) flights at AirHint

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

Return flights

29 Sep - 09 Oct British Airways direct
08 Sep - 18 Sep British Airways direct
10 Sep - 18 Sep British Airways direct
10 Sep - 17 Sep British Airways direct
20 Sep - 27 Sep British Airways direct
24 Sep - 27 Sep British Airways direct
01 Sep - 01 Oct British Airways direct
15 Sep - 24 Sep British Airways direct
22 Sep - 25 Sep British Airways direct
15 Sep - 17 Sep British Airways direct
13 Sep - 20 Sep British Airways direct
18 Sep - 25 Sep British Airways direct
29 Sep - 06 Oct British Airways direct
06 Sep - 04 Oct British Airways direct
09 Sep - 11 Oct British Airways
19 Sep - 03 Oct KLM
26 Sep - 01 Oct KLM
07 Sep - 12 Oct KLM
24 Sep - 05 Oct KLM
21 Sep - 05 Oct KLM

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

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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