Route guide

Colombo to Singapore (CMB-SIN): Nonstop Upgrade & Award Space

Singapore Airlines, SriLankan Airlines, and Finnair fly nonstop between Colombo (CMB) and Singapore (SIN), roughly 28 times a week. Because so many carriers compete on this route, premium seats turn over daily, and upgrade or award space can open and close within hours. 2LNR tracks confirmed availability on every CMB to SIN departure, so you know which flights have space before you book.

Data current as of July 21, 2026, refreshed on an ongoing basis as new schedules and seats are confirmed.

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28
Nonstop flights a week
1,708 mi
Nonstop distance
Free
To get started

Confirmed upgrade & award space on every CMB to SIN departure

2LNR tracks confirmed upgrade and award availability on American, Delta, and Alaska and across 30 airlines, segment by segment, date by date. Open the calendar for Colombo to Singapore to see which departures have real space, or watch the route and get alerted when space opens.

See real availability

Confirmed upgrade and award seats on each CMB 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 CMB to SIN on the interactive route map, with schedules, connections, and route statistics.

Airlines flying Colombo to Singapore nonstop

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

  • Singapore Airlines
  • SriLankan Airlines
  • Finnair
See CMB to SIN on the interactive map →

Frequently asked questions about CMB to SIN

How far is Singapore from Colombo?
CMB to SIN covers about 1,708 miles nonstop. Flight times vary by aircraft and season; each scheduled departure on this page lists its own times.
Which airlines fly nonstop from CMB to SIN?
Singapore Airlines, SriLankan Airlines, and Finnair fly the route nonstop. 2LNR tracks confirmed upgrade and award space on all three of them.
How many flights a week are there from CMB to SIN?
About 28 nonstop flights a week run between Colombo and Singapore in the current schedule, operated by Singapore Airlines, SriLankan Airlines, and Finnair. Frequency shifts by season; the calendar on this page reflects what's currently scheduled.
How do I check upgrade or award availability on CMB to SIN?
Open the CMB to SIN calendar on this page to see confirmed upgrade and award space by date. You can also set an alert on the Colombo to Singapore route, and 2LNR will notify you when space opens. It's free to start.

Never miss CMB to SIN upgrade or award space

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