May is by far the best month, wherein you can get cheapest flights for Colombo to Bangkok. Meanwhile, is perceived as the expensive month due to the varying factors. That’s why it’s highly advised to make advanced online flight booking to save huge amounts of money.
Disclaimer - All the above-mentioned fares were found within last 48 hrs. The displayed fares are based on historical data and are subject to change. The fares cannot be guaranteed at the time of booking.

Colombo
00:50
Colombo
Bandaranaike International Colombo Airport
Mon , 18 May 2026

Bangkok
14:15
Bangkok
Suvarnabhumi Airport
Mon, 18 May 2026

Colombo
00:05
Colombo
Bandaranaike International Colombo Airport
Mon , 18 May 2026

Bangkok
10:15
Bangkok
Suvarnabhumi Airport
Mon, 18 May 2026

Colombo
07:35
Colombo
Bandaranaike International Colombo Airport
Mon , 18 May 2026

Bangkok
12:45
Bangkok
Suvarnabhumi Airport
Mon, 18 May 2026

Colombo
00:50
Colombo
Bandaranaike International Colombo Airport
Mon , 18 May 2026

Bangkok
09:55
Bangkok
Suvarnabhumi Airport
Mon, 18 May 2026

Colombo
00:55
Colombo
Bandaranaike International Colombo Airport
Mon , 18 May 2026

Bangkok
06:10
Bangkok
Suvarnabhumi Airport
Mon, 18 May 2026

Colombo
08:00
Colombo
Bandaranaike International Colombo Airport
Mon , 18 May 2026

Bangkok
20:25
Bangkok
Suvarnabhumi Airport
Mon, 18 May 2026

Colombo
01:05
Colombo
Bandaranaike International Colombo Airport
Mon , 18 May 2026

Bangkok
15:25
Bangkok
Suvarnabhumi Airport
Mon, 18 May 2026

Colombo
20:30
Colombo
Bandaranaike International Colombo Airport
Mon , 18 May 2026

Bangkok
18:05
Bangkok
Suvarnabhumi Airport
Tue, 19 May 2026

Colombo
22:05
Colombo
Bandaranaike International Colombo Airport
Mon , 18 May 2026

Bangkok
12:15
Bangkok
Suvarnabhumi Airport
Tue, 19 May 2026

Colombo
20:35
Colombo
Bandaranaike International Colombo Airport
Mon , 18 May 2026

Bangkok
13:10
Bangkok
Suvarnabhumi Airport
Tue, 19 May 2026

Colombo
22:10
Colombo
Bandaranaike International Colombo Airport
Mon , 18 May 2026

Bangkok
14:55
Bangkok
Suvarnabhumi Airport
Tue, 19 May 2026










Flying from Colombo to Bangkok has never been easier. Whether you’re planning a short business trip, a weekend getaway, or reconnecting with family and friends, Easemytrip brings you the best deals, seamless booking, and flexible options for this popular flight route. Our platform is built to help travellers like you compare flight prices, explore direct and connecting options, and find the perfect departure time — all within a few clicks.
The air route between Colombo to Bangkok is one of the most frequently travelled, offering reliable services from top airlines and excellent connectivity between Bandaranaike International Colombo Airport (CMB) and Suvarnabhumi Airport (BKK). You can expect a flight distance of approximately 2391 km, and most direct services cover it in around 12:37.
Let’s take a closer look at everything you need to know before booking your flight from Colombo to Bangkok.
| Flight Details | Information |
|---|---|
| Route Distance | 2391 km |
| Average Flight Time | 12:37 hrs |
| Departure Airport | Bandaranaike International Colombo Airport (CMB) |
| Arrival Airport | Suvarnabhumi Airport (BKK) |
| Cabin Classes Available | Economy Class, Premium Economy, Business Class, First Class |
| Direct Flights | YES |
| Common Airlines | Singapore Airlines, Malaysia Airlines, SriLankan Airlines, Thai Airways |
The route is serviced regularly by both full-service and budget airlines, catering to all types of travellers — from those looking for no-frills budget options to those preferring business and first-class comfort. If you're flying for business, early morning weekday flights are a great choice, while leisure travellers often opt for weekend and evening departures.