Flight Route · International
Houston → Singapore
IAH to SIN
George Bush Intercontinental Airport to Singapore Changi Airport: 9,923 miles (15,970 km), about 20h 28m airborne, +13h time-zone shift on arrival.
Distance
9,923 mi
15,970 km
Flight time
20h 28m
block time, approx
Time-zone shift
+13h
Chicago → Singapore
International?
Yes
United States → Singapore
IAH–SIN questions, answered
How long is the flight from Houston to Singapore?
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A direct flight from George Bush Intercontinental Airport (IAH) to Singapore Changi Airport (SIN) takes approximately 20h 28m. Actual block time varies with aircraft type, winds, and routing.
What is the distance from IAH to SIN?
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The great-circle distance from George Bush Intercontinental Airport to Singapore Changi Airport is approximately 9923 miles (15970 kilometers). Actual flown distance varies slightly with the routing assigned by air traffic control.
What is the time difference between Houston and Singapore?
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Singapore is +13h relative to Houston. America/Chicago → Asia/Singapore.
Which airlines fly from IAH to SIN?
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Carriers serving both endpoints include various international and regional carriers. Direct service depends on the specific carrier and season — confirm with your booking source for current schedules.
Is this an international flight?
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Yes. George Bush Intercontinental Airport is in United States, and Singapore Changi Airport is in Singapore. Travelers should confirm passport, visa, and customs requirements before departure.
Can I track IAH–SIN flights on TripDesk365?
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Yes. TripDesk365 imports your booking confirmations from your inbox, identifies the route, and shows real-time status — gate changes, delays, and live aircraft position. Free for 14 days.
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