Cheapest return flights from Houston to Istanbul in September from 570€

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

Return flights

13 Sep - 14 Oct Spirit Airlines
13 Sep - 07 Oct Spirit Airlines
23 Sep - 14 Oct Spirit Airlines
08 Sep - 07 Oct Spirit Airlines
06 Sep - 12 Sep Spirit Airlines
04 Sep - 19 Sep Frontier Airlines
12 Sep - 07 Oct Spirit Airlines
29 Sep - 06 Oct Spirit Airlines
03 Sep - 08 Sep Spirit Airlines
10 Sep - 07 Oct Spirit Airlines
24 Sep - 15 Oct Spirit Airlines
06 Sep - 20 Sep Spirit Airlines
12 Sep - 23 Sep Spirit Airlines
09 Sep - 29 Oct Spirit Airlines
25 Sep - 09 Oct Spirit Airlines
25 Sep - 29 Sep Spirit Airlines
24 Sep - 28 Sep Spirit Airlines
15 Sep - 24 Sep Frontier Airlines
11 Sep - 20 Sep Spirit Airlines
16 Sep - 22 Sep Spirit Airlines

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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