Cheapest return flights from Houston to Istanbul in September from 892€

Best time to book flights for Houston (IAH) to Istanbul (IST) flights at AirHint

AirHint found the following cheapest return flights from Houston (IAH) to Istanbul (IST) in September 2025 (see full year).

Return flights

01 Sep - 17 Sep Delta
28 Sep - 16 Oct Delta
03 Sep - 10 Sep Delta
09 Sep - 16 Sep Qatar Airways
24 Sep - 13 Oct Qatar Airways
28 Sep - 05 Oct Qatar Airways
01 Sep - 15 Sep Delta
10 Sep - 20 Sep Qatar Airways
09 Sep - 16 Sep Turkish Airlines direct
01 Sep - 17 Sep Turkish Airlines direct
28 Sep - 16 Oct Turkish Airlines direct
01 Sep - 15 Sep Turkish Airlines direct
24 Sep - 13 Oct Turkish Airlines direct
10 Sep - 20 Sep Turkish Airlines direct
28 Sep - 05 Oct Turkish Airlines direct
03 Sep - 10 Sep Turkish Airlines direct

Also check the deals for one-way flights from Houston 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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