Cheapest return IAH–IST flights, July

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

Return flights

29 Jul - 12 Aug Delta
31 Jul - 07 Aug Delta
24 Jul - 31 Jul Delta
15 Jul - 26 Jul Delta
06 Jul - 16 Jul Spirit Airlines
04 Jul - 25 Jul Frontier Airlines
09 Jul - 16 Jul jetBlue
10 Jul - 13 Jul KLM
29 Jul - 12 Aug Turkish Airlines direct
09 Jul - 30 Jul jetBlue
02 Jul - 13 Jul Spirit Airlines
17 Jul - 22 Jul Frontier Airlines
03 Jul - 24 Jul Spirit Airlines
31 Jul - 07 Aug Turkish Airlines direct

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

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