--- title: "Singapore (SIN) to Kolkata (CCU) flights: who flies it" description: "Singapore Airlines and IndiGo fly nonstop from SIN to CCU, about 12 flights a week, scheduled at 4h 15m to 4h 25m. See award seats by date on 2LNR, the next 14 days free." canonical: "https://2lnr.com/routes/sin-ccu" url: "https://2lnr.com/routes/sin-ccu.md" date_modified: "2026-10-18T05:10:47Z" --- # Singapore to Kolkata (SIN-CCU): nonstop flights and award space IndiGo and Singapore Airlines fly the SIN to CCU nonstop about 12 times a week. The timetable below shows the nonstop scheduled at 4h 15m to 4h 25m for the 1,803 miles. 2LNR tracks award seats on Singapore Airlines across every SIN to CCU date, so you can see whether a seat exists before you move points. Schedule last confirmed October 18, 2026. Departure times come from 2LNR's schedule data; confirm with the airline before you book. Updated October 23, 2026. See SIN to CCU on the interactive map [Get started free](https://2lnr.com/login) 12 Flights a week, 4-week average 4h 15m to 4h 25m Scheduled flight time 1,803 mi Nonstop distance Free To get started ## Singapore to Kolkata flight schedule Scheduled nonstop departures for SIN to CCU starting October 22, 2026, last checked against our schedule feed on October 18, 2026. Airlines retime and cancel flights, so confirm with the airline before you book. Scheduled nonstop departures from Singapore (SIN) to Kolkata (CCU) | Date | Flight | Airline | Departs SIN | Arrives CCU | Duration | Aircraft | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | Thu, Oct 22 | 6E 1016 | IndiGo | 10:00 | 11:45 | 4h 15m | [Airbus A320neo](https://2lnr.com/seatmaps/6e/a320neo.md) | | Thu, Oct 22 | SQ 516 | Singapore Airlines | 20:40 | 22:35 | 4h 25m | [Boeing 737 MAX 8](https://2lnr.com/seatmaps/sq/737-max-8.md) | | Fri, Oct 23 | 6E 1016 | IndiGo | 10:00 | 11:45 | 4h 15m | Airbus A320neo | | Fri, Oct 23 | SQ 516 | Singapore Airlines | 20:40 | 22:35 | 4h 25m | Boeing 737 MAX 8 | | Sat, Oct 24 | 6E 1016 | IndiGo | 10:00 | 11:45 | 4h 15m | Airbus A320neo | | Sat, Oct 24 | SQ 516 | Singapore Airlines | 20:40 | 22:35 | 4h 25m | Boeing 737 MAX 8 | | Sun, Oct 25 | SQ 516 | Singapore Airlines | 20:40 | 22:25 | 4h 15m | [Airbus A350-900](https://2lnr.com/seatmaps/sq/a350-900.md) | | Mon, Oct 26 | SQ 516 | Singapore Airlines | 20:40 | 22:25 | 4h 15m | Airbus A350-900 | | Tue, Oct 27 | SQ 516 | Singapore Airlines | 20:40 | 22:30 | 4h 20m | Boeing 737 MAX 8 | | Wed, Oct 28 | SQ 516 | Singapore Airlines | 20:40 | 22:25 | 4h 15m | Airbus A350-900 | Showing all 10 scheduled SIN to CCU departures across 7 days with service, starting October 22, 2026. 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 hasn't filed that value in the schedule data we hold. Aircraft are the equipment the airline filed, named where the code pins down one type and shown as the family or the bare code where it doesn't. Swaps can happen up to departure. See every SIN to CCU date on the interactive map ## Aircraft on the Singapore to Kolkata nonstop In the schedule table on this page, Singapore Airlines flies the [Boeing 737 MAX 8](https://2lnr.com/seatmaps/sq/737-max-8.md) and the [Airbus A350-900](https://2lnr.com/seatmaps/sq/a350-900.md), and IndiGo flies the [Airbus A320neo](https://2lnr.com/seatmaps/6e/a320neo.md). Each linked aircraft page shows where that airline schedules it. Airlines can swap aircraft up to departure. ## Award seats on SIN to CCU departures 2LNR tracks award seats on Singapore Airlines, date by date. Open the calendar for Singapore to Kolkata 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 Award seats by date on the SIN to CCU departures 2LNR tracks, checked against live inventory so you know what's open before you book. ### Set an alert Premium inventory turns over fast. Watch this route on Pro and 2LNR notifies you when space appears on a date you're tracking. ### Plan on the map See SIN to CCU on the interactive route map, with schedules, connections, and route statistics. ## Airlines flying Singapore to Kolkata nonstop Carriers operating SIN to CCU nonstop in the current schedule. Where 2LNR tracks the carrier, its departures show award space by date. - [IndiGo (6E) route map](https://2lnr.com/routes/airlines/6e.md)\ [The aircraft 6E flies](https://2lnr.com/seatmaps/6e.md) - [Singapore Airlines (SQ) route map](https://2lnr.com/routes/airlines/sq.md)\ [The aircraft SQ flies](https://2lnr.com/seatmaps/sq.md) See SIN to CCU on the interactive map → ## Frequently asked questions about SIN to CCU **How long is the flight from Singapore (SIN) to Kolkata (CCU)?** Scheduled flight times from Singapore (SIN) to Kolkata (CCU) run from 4h 15m to 4h 25m across the departures in the schedule table on this page. The nonstop covers about 1,803 miles, and airlines adjust scheduled times by season, so confirm with the airline before you book. **Which airlines fly nonstop from SIN to CCU?** IndiGo and Singapore Airlines fly SIN to CCU nonstop. 2LNR tracks award seats on Singapore Airlines. **How many flights a week are there from SIN to CCU?** About 12 nonstop flights a week run between Singapore (SIN) and Kolkata (CCU) in the current schedule, operated by IndiGo and Singapore Airlines. Frequency shifts by season, and the schedule table on this page shows what is scheduled next. **What time do flights from SIN to CCU depart?** Scheduled SIN to CCU nonstops in the next 7 days with service leave between 10:00 and 20:40, local time at Singapore. The schedule table on this page lists every departure by date, with its arrival time and aircraft. **Which flights operate SIN to CCU nonstop?** In the schedule table on this page, SIN to CCU nonstops fly as SQ 516 on Singapore Airlines and 6E 1016 on IndiGo. The table lists each departure by date with its times and aircraft. **How do I check award availability on SIN to CCU?** Open the SIN to CCU 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. Flying the other way? See [CCU to SIN nonstop flights and award space](https://2lnr.com/routes/ccu-sin.md). Award seats rather than schedules? See [Singapore Airlines award availability](https://2lnr.com/awards/sq.md). Looking beyond this route? See [every route from Singapore (SIN)](https://2lnr.com/routes/sin.md), or [every route from Kolkata (CCU)](https://2lnr.com/routes/ccu.md). Nonstops from Singapore (SIN) to other airports within 150 miles of Kolkata (CCU): - [Singapore (SIN) to Dhaka (DAC)](https://2lnr.com/routes/sin-dac.md), 150 miles from CCU Distances are great-circle between the airports, not driving distance. - [How to plan an upgrade by route](https://2lnr.com/guides/upgrade-strategy.md) - [How to read award availability by date](https://2lnr.com/guides/award-availability.md) ## See SIN to CCU award space by date See what's open by date on this route, the next 14 days free on every product and the full horizon on Pro. [Get started free](https://2lnr.com/login)