Cheap flights from Bangkok to Colombo (BKK–CMB)
Thailand
Sri Lanka
SriLankan Airlines and Thai Airways fly Bangkok to Colombo (BKK–CMB) nonstop and back, a great-circle distance of 2,390 km (1,490 mi).
- From
- BKK
- Bangkok
- To
- CMB
- Colombo
- Nonstop
- Yes · 2 airlines
- Airlines
- UL · TG
- Cheapest fare found
- ฿5,665 one-way
- Distance
- 2,390 km (1,490 mi)
- Time difference
- Colombo 1 hour 30 minutes behind
Checked against sources:· How we verify
Bangkok to Colombo fares by month
Cheapest one-way fare found: ฿5,665 for December 2026 on VietJet Air (1 stop). Nonstop from ฿6,933.
- Dec ’26฿5,665nonstop ฿6,947
- Jan ’27฿6,011nonstop ฿6,933
- Feb ’27฿6,106
- Mar ’27฿6,029nonstop ฿6,947
- Apr ’27฿7,062
Cheapest one-way fares per month of departure in the Aviasales price cache, found . Fares change by the hour: the live fare is shown when you search.
When to fly BKK–CMB
For Bangkok Suvarnabhumi (BKK) to Bandaranaike Colombo (CMB), December 2026 had the lowest fare found (฿5,665). Set your watch 1 hour 30 minutes back on landing at CMB.
Bangkok to Colombo: frequently asked questions
Fares: Aviasales price cache, 8 October 2026.
How much is a flight from Bangkok Suvarnabhumi (BKK) to Bandaranaike Colombo (CMB)?
From ฿5,665 one-way, the cheapest fare found for December 2026 on VietJet Air with 1 stop; nonstop from ฿6,933 (found 8 October 2026).
Which airlines fly BKK–CMB direct?
SriLankan Airlines and Thai Airways.
What is the cheapest month to fly BKK–CMB?
December 2026, at ฿5,665; the dearest month found was ฿7,062.
What is the time difference between Bangkok and Colombo?
Colombo is 1 hour 30 minutes behind Bangkok: a BKK departure at noon is 10:30 local time in CMB.
Colombo to Bangkok: the return flight (CMB–BKK)
All 2 airlines also fly CMB–BKK nonstop.
Airlines flying BKK–CMB nonstop
| Airline | Usually takes off (BKK time) | Type | Alliance | Notes |
|---|---|---|---|---|
| SriLankan Airlines UL | — | full-service | oneworld | — |
 Thai Airways TG | — | full-service | Star Alliance | — |
One-stop alternatives to flying BKK–CMB nonstop
One airline on both legs; check it's sold as one ticket.
- Via Chennai (MAA) with
IndiGo: 2,870 km (1,790 mi) flown, 20% further than nonstop. - Via Bengaluru (BLR) with IndiGo: 3,200 km (1,990 mi) flown, 34% further than nonstop.
BKK–CMB route map
More from Bangkok and Colombo
Explore the airlines’ route maps
Plan your arrival at Bandaranaike International Colombo Airport (CMB)
Departure
Suvarnabhumi Airport
Suvarnabhumi (BKK), Bangkok. 2 terminals. In our data, 109 airlines fly nonstop from BKK to 137 destinations.
View BKK airport guide →Arrival
Bandaranaike International Colombo Airport
Bandaranaike Colombo (CMB), Colombo.
Weather in Colombo vs Bangkok
Colombo is cooler than Bangkok in every month, by 1–4°C; the biggest gap is in April (32°C against 36°C). In October it averages 30°C in Colombo and 33°C in Bangkok.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Colombo | 31° | 32° | 32° | 32° | 32° | 31° | 30° | 30° | 30° | 30° | 31° | 31° |
| Bangkok | 33° | 34° | 35° | 36° | 35° | 34° | 34° | 33° | 33° | 33° | 33° | 32° |
Average daily highs. Climate normals from Colombo and Bangkok (Wikipedia, CC BY-SA), which cite the national weather services.
Other nonstop airport pairs, Bangkok to Colombo
Bangkok and Colombo are connected nonstop from more than one airport. Compare the pairs by airline count:
Onward from Colombo
Places you can't fly to nonstop from BKK, but can from CMB — for a stopover or a second leg.
Related routes
Sources
- en.wikipedia.org — airlines and destinations, checked 2026-10-01
- en.wikipedia.org — airlines and destinations, checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- thaiairways.com — Thai Airways destinations
- thaiairways.com — Bangkok–Siem Reap service
- en.wikipedia.org — current destination list, cross-checked 2026-09-25 (terminated routes removed)
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
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