Nonstop flights from George Bush Intercontinental Airport (IAH) to Istanbul Airport (IST) typically take about 12 to 13.5 hours in November, depending on routing, winds, and tailwinds. If you choose connecting flights, total door-to-door travel times commonly range from 14.5 to 20+ hours with one layover in hubs such as Frankfurt (FRA), Doha (DOH), London (LHR), or Dubai (DXB). Note the time difference in November: Houston shifts to Central Standard Time (UTC−6) after DST ends, while Istanbul stays at UTC+3 year-round, making Istanbul 9 hours ahead of Houston. Check airline timetables for November schedules and allow at least 90–120 minutes for international connections to ensure smooth transfers. CTA: View current IAH to IST flight schedules and choose the itinerary that fits your November travel plans.