Kolkata to Singapore (CCU-SIN): nonstop upgrade & award space

Singapore Airlines and IndiGo fly the CCU to SIN nonstop about 12 times a week. That is enough service for a real choice of departures, though on a sector this short the premium cabin is a handful of seats and does not sit unclaimed for long. 2LNR tracks award seats on Singapore Airlines across every CCU to SIN date, so you can see whether a seat exists before you move points.

Schedule last confirmed . Departure times come from 2LNR's schedule data; confirm with the airline before you book.

See CCU to SIN on the interactive map Get started free
12
Nonstop flights a week
1,803 mi
Nonstop distance
Free
To get started

Kolkata to Singapore flight schedule

Scheduled nonstop departures for CCU to SIN, last checked against our schedule feed on September 6, 2026. Airlines retime and cancel flights, so confirm with the airline before you book.

Schedule data dated .

Scheduled nonstop departures from Kolkata (CCU) to Singapore (SIN)
Date Flight Airline Departs CCU Arrives SIN Duration Aircraft
SQ 517Singapore Airlines23:3006:304h 30m7M8
SQ 517Singapore Airlines23:3006:304h 30m7M8
SQ 517Singapore Airlines23:3006:304h 30m7M8
6E 1015IndiGo02:0509:004h 25m32N
SQ 517Singapore Airlines23:3006:304h 30m7M8
SQ 517Singapore Airlines23:3006:304h 30m7M8
6E 1015IndiGo02:0509:004h 25m32N
SQ 517Singapore Airlines23:3006:304h 30m7M8
6E 1015IndiGo02:0509:004h 25m32N
SQ 517Singapore Airlines23:3006:304h 30m7M8

Showing all 10 scheduled CCU to SIN departures across the next 7 days with service. Later dates are on the interactive map.

Departure and arrival times are local at their own airport, so an arrival can fall on a different local date than the departure; the duration column is the true elapsed flying time. A dash means the airline has not filed that value in the schedule data we hold. Aircraft are IATA equipment codes as filed, and can change up to departure.

See every CCU to SIN date on the interactive map

Award seats on CCU to SIN departures

2LNR tracks award seats on Singapore Airlines, date by date. Open the calendar for Kolkata to Singapore to see whether a seat exists before you move points, the next 14 days free on every product and the full horizon on Pro.

See real availability

Confirmed upgrade and award seats on each CCU to SIN departure, checked against live inventory so you know what is open before you book.

Set an alert

Premium inventory turns over fast. Watch this route and 2LNR notifies you when space appears on a date you are tracking.

Plan on the map

See CCU to SIN on the interactive route map, with schedules, connections, and route statistics.

Airlines flying Kolkata to Singapore nonstop

Carriers operating CCU to SIN nonstop in the current schedule. 2LNR tracks confirmed upgrade and award space on each of them.

See CCU to SIN on the interactive map →

Frequently asked questions about CCU to SIN

How far is Singapore from Kolkata?
CCU to SIN covers about 1,803 miles nonstop. Flight times vary by aircraft and season; the schedule table on this page lists each scheduled departure with its own times.
Which airlines fly nonstop from CCU to SIN?
Singapore Airlines and IndiGo fly the route nonstop. 2LNR tracks award seats on Singapore Airlines.
How many flights a week are there from CCU to SIN?
About 12 nonstop flights a week run between Kolkata and Singapore in the current schedule, operated by Singapore Airlines and IndiGo. Frequency shifts by season, and the schedule table on this page shows what is scheduled next.
What time do flights from CCU to SIN depart?
Scheduled CCU to SIN nonstops in the next 7 days with service leave between 02:05 and 23:30, local time at Kolkata. The schedule table on this page lists every departure by date, with its arrival time and aircraft.
How do I check upgrade or award availability on CCU to SIN?
Open the CCU to SIN route on the interactive map or the matrix to see award seats by date on Singapore Airlines, the next 14 days free and the full horizon on Pro. On Pro you can also set an alert on the route and 2LNR notifies you when space opens.

Never miss CCU to SIN upgrade or award space

See what is open by date on this route, the next 14 days free on every product and the full horizon on Pro.

Get started free