Cheapest one-way flights from Houston to Istanbul in September from $291

AirHint found the following cheapest one-way flights from Houston (HOU) to Istanbul (IST) in September 2025 (see full year).

One-Way flights

26 Sep Frontier Airlines
25 Sep Spirit Airlines
06 Sep Frontier Airlines
09 Sep Frontier Airlines
19 Sep Spirit Airlines
10 Sep Spirit Airlines
17 Sep Spirit Airlines
07 Sep Frontier Airlines
04 Sep Frontier Airlines
05 Sep Frontier Airlines

Also check the deals for return 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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