Colombo (CMB) to Bangkok (BKK) flights
Nonstop from Bandaranaike International to Suvarnabhumi: distance, flying time, which airlines fly it and how often.
Distance
2,392km
1,486 mi, great circle
Flying time
3h 31m
typical, gate to gate
Flights a day
2.4
average, November 2026
Airlines
2
passenger airlines
Airlines flying CMB to BKK
Route map
The shortest path over the Earth's surface. Actual tracks vary with winds and airspace. Map © OpenStreetMap contributors.
Cheapest recent fare
Fares found in recent searches load here. You can also compare CMB to BKK fares by month.
Both directions
Frequently asked questions
How long is the flight from Colombo to Bangkok?
About 3h 31m gate to gate for the 2,392 km (1,486 mile) trip, estimated from distance. Schedules vary by airline and season, and winds can add or save time.
Which airlines fly nonstop from CMB to BKK?
SriLankan Airlines and Thai Airways, with about 2.4 flights a day between them in our data (AeroDataBox, November 2026).