Cheapest return flights from Houston to Istanbul in July from $818

AirHint found the following cheapest return flights from Houston (HOU) to Istanbul (IST) in July 2026 (see full year).

Return flights

07 Jul - 31 Aug KLM
16 Jul - 21 Jul Air France
08 Jul - 16 Jul KLM
08 Jul - 22 Jul ITA Airways
11 Jul - 25 Jul KLM
23 Jul - 30 Jul Turkish Airlines direct
16 Jul - 10 Aug Turkish Airlines direct
01 Jul - 14 Jul Air Canada
16 Jul - 21 Jul Turkish Airlines direct
11 Jul - 25 Jul Turkish Airlines direct
07 Jul - 31 Aug Turkish Airlines direct
08 Jul - 16 Jul Turkish Airlines direct
01 Jul - 14 Jul Turkish Airlines direct

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

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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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