I am sure it is around 15 hours
Approx 13 hours from London to Singapore (direct flight)
Between 10 to 11 hours
The direct flight time is 18 hours and 9 minutes.
A direct flight would take 19 hours and 35 minutes.
The flight time from Dubai UAE to Copenhagen Denmark is 6 hours
The duration of Flight from Singapore is 1.23 hours.
A flight from Dubai to Singapore would take about 8 hours.
Singapore (SIN) to Dublin (DUB)Shortest Flight Duration * 15 hours 35 mins * Via Frankfurt International Apt, Frankfurt (FRA)
If there were a direct flight it would take about 10 hours Singapore (SIN) to Cairo (CAI) Shortest Flight Duration * 12 hours 50 mins * Via Bangkok Suvarnabhumi International Apt, Bangkok (BKK)
The average direct flight time is 18 hours, depending on where in the US you go to.
The flight time from Singapore to Budapest, Hungary is: 12 hours, 18 minutes
Flight time from Singapore to Ho Chi Minh is 2 hours