Cheapest return flights from Houston to Istanbul in August from $723

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 August 2025 (see full year).

Return flights

25 Aug - 25 Sep Spirit Airlines
11 Aug - 19 Aug Austrian Airlines
05 Aug - 19 Aug Air Canada
06 Aug - 18 Aug Lufthansa
19 Aug - 28 Aug Air Canada
25 Aug - 25 Sep Turkish Airlines direct
14 Aug - 11 Sep Turkish Airlines direct
18 Aug - 04 Sep Lufthansa
28 Aug - 16 Sep Qatar Airways
19 Aug - 28 Aug Turkish Airlines direct
26 Aug - 03 Sep Turkish Airlines direct
18 Aug - 04 Sep Turkish Airlines direct
01 Aug - 20 Aug Lufthansa
10 Aug - 30 Aug Air Canada
10 Aug - 17 Aug Air Canada
01 Aug - 20 Aug Turkish Airlines direct
04 Aug - 16 Aug Air Canada
22 Aug - 02 Sep Turkish Airlines direct
28 Aug - 16 Sep Turkish Airlines direct
29 Aug - 07 Sep Qatar Airways

Also check the deals for one-way flights from Houston to Istanbul in August.

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.

Book a cheap hotel in Istanbul

Cheap car rent in Istanbul