Find the cheapest Turkish Airlines flights on Expedia from Istanbul (IST) to Houston (IAH). Flight ticket prices change frequently based on availability and demand. We send price-drop alerts to make air travel simple and flexible. The lowest one-way fare found on Expedia with Turkish Airlines for this route in the past 7 days starts at £569 for travel on 28 December 2026.
£569 Cheap Turkish Airlines flights Istanbul (IST) to Houston (IAH)
Prices were available within the past 7 days and start at £569 for one-way flights and £590 for return, for the period specified. Prices and availability are subject to change.