Cheapest return LAX–IST flights, September

AirHint found the following cheapest return flights from Los Angeles (LAX) to Istanbul (IST) in September 2026 (see full year).

Return flights

07 Sep - 23 Sep Delta
14 Sep - 08 Oct Delta
01 Sep - 01 Oct SWISS
13 Sep - 20 Sep Delta
21 Sep - 21 Oct Qatar Airways
29 Sep - 13 Oct Qatar Airways
28 Sep - 12 Oct Qatar Airways
02 Sep - 09 Sep Turkish Airlines direct
30 Sep - 10 Oct Lufthansa
03 Sep - 08 Sep Turkish Airlines direct
07 Sep - 23 Sep Turkish Airlines direct
14 Sep - 08 Oct Turkish Airlines direct
21 Sep - 21 Oct Turkish Airlines direct
29 Sep - 13 Oct Turkish Airlines direct
01 Sep - 01 Oct Turkish Airlines direct
08 Sep - 11 Sep Qatar Airways
04 Sep - 08 Sep Turkish Airlines direct
13 Sep - 20 Sep Turkish Airlines direct
14 Sep - 18 Sep KLM
14 Sep - 18 Sep Turkish Airlines direct

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

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