JetSetAuthority

Route · Europe to Asia and Africa

IST Istanbul ⇄ SIN Singapore

İstanbul Airport (Turkey) and Singapore Changi Airport (Singapore): great-circle distance, estimated scheduled flight time each way, time difference and jet lag.

Distance8,681 km5,394 mi4,687 nautical miles
IST → SIN10 h 25 minestimated block time
SIN → IST11 h 30 minestimated block time
Clock change+5 hSingapore vs Istanbul, today
Great-circle route from Istanbul (IST) to Singapore (SIN)ISTIstanbulSINSingapore
The shortest path over the Earth’s surface (great circle), drawn on a Natural Earth projection. Real flight paths bend around weather, winds and closed airspace.

Flight time each way

IST → SIN

10 h 25 min

Estimated gate-to-gate scheduled time. Initial heading 99° (E).

Leave Istanbul Sat 7 Nov, 10:00 local → arrive Singapore Sun 8 Nov, 01:25 local +1 day.

SIN → IST

11 h 30 min

Estimated gate-to-gate scheduled time. Initial heading 312° (NW).

Leave Singapore Sat 7 Nov, 10:00 local → arrive Istanbul Sat 7 Nov, 16:30 local.

IST-bound flights are the slower direction by about 70 minutes in our estimate: the route runs mostly east–west through latitudes where the prevailing westerly winds at cruise height are strong, so heading east rides a tailwind and heading west fights a headwind. How we estimate it.

Distance

Great-circle distance8,681 km · 5,394 mi · 4,687 nmi
Initial heading99° (E) from IST; 312° (NW) from SIN
Farthest from the equator41.3°N
Crossesneither the equator nor the 180th meridian
Share of the longest possible trip43% of the 20,015 km to the far side of the Earth

Time zones and jet lag

ISTEurope/Istanbul — UTC+3 now; UTC+3 all year (no daylight saving time)
SINAsia/Singapore — UTC+8 now; UTC+8 all year (no daylight saving time)
DifferenceSingapore is 5 hours ahead of Istanbul today.

Jet lag, flying IST → SIN. Your body clock has to move 5 hours earlier, like an eastward trip. A common rule of thumb is that the body clock adjusts by roughly one time zone a day, so expect up to about 5 days to fully adjust. Shifting earlier (as here) is usually the harder direction; morning daylight at the destination helps. Flying the other way, the shift is reversed.

General information, not medical advice.

The two airports

IST İstanbul AirportIstanbul, Turkey · longest runway 13,451 ft4,100 m SIN Singapore Changi AirportSingapore, Singapore · longest runway 13,123 ft4,000 m

More routes from IST and SIN

ISTADB Istanbul – Izmir 358 km222 mi · 1 h 30 min ATHIST Athens – Istanbul 553 km344 mi · 1 h 40 min FRAIST Frankfurt – Istanbul 1,837 km1,141 mi · 3 h DXBIST Dubai – Istanbul 3,030 km1,883 mi · 4 h 45 min ISTBKK Istanbul – Bangkok 7,514 km4,669 mi · 9 h LAXIST Los Angeles – Istanbul 11,002 km6,836 mi · 13 h 05 min SINKUL Singapore – Kuala Lumpur 297 km185 mi · 1 h 25 min SINDPS Singapore – Bali (Denpasar) 1,672 km1,039 mi · 2 h 55 min SINBOM Singapore – Mumbai 3,922 km2,437 mi · 5 h 35 min SYDSIN Sydney – Singapore 6,293 km3,911 mi · 8 h 30 min LHRSIN London – Singapore 10,883 km6,762 mi · 12 h 40 min SINJFK Singapore – New York 15,341 km9,532 mi · 18 h 30 min

Routes of a similar length

FRAJNB Frankfurt – Johannesburg 8,690 km5,400 mi · 10 h 50 min LHRCMB London – Colombo 8,715 km5,415 mi · 10 h 20 min CDGJNB Paris – Johannesburg 8,737 km5,429 mi · 10 h 50 min SFOLHR San Francisco – London 8,616 km5,354 mi · 10 h 20 min

Need a different pair? The flight-time calculator works for any two of 3,245 airports. Not covered: which airlines fly this route, schedules, fares and live status — that data is proprietary and we don’t guess it.

Photos on airport pages are credited there. Estimates are rounded to 5 minutes; typical error about 13 minutes (validation).