Colombo (CMB) to Bangkok (BKK) flights
2 airlines fly nonstop from Colombo (CMB) to Bangkok (BKK): SriLankan Airlines and Thai Airways International. The two airports are 1,486 miles (2,392 km) apart. SriLankan Airlines is in oneworld and Thai Airways International is in Star Alliance. There are also 12 ways to fly it with one stop, through Chennai, Kochi and Bengaluru and more.
Airlines flying nonstop from CMB to BKK
- SriLankan Airlinesoneworld · bookable with 9 programsWho books it
- Thai Airways InternationalStar Alliance · bookable with 12 programsWho books it
Book CMB to BKK with points
Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.
- Air Canada AeroplanBooks Thai Airways International
- Air New Zealand AirpointsBooks Thai Airways International
- Alaska Atmos RewardsBooks SriLankan Airlines
- American AAdvantageBooks SriLankan Airlines
- ANA Mileage ClubBooks Thai Airways International
- Avianca LifeMilesBooks Thai Airways International
- British Airways ClubBooks SriLankan Airlines
- Cathay Pacific Asia MilesBooks SriLankan Airlines
- Emirates SkywardsBooks Thai Airways International
- EVA Air Infinity MileageLandsBooks Thai Airways International
- Finnair PlusBooks SriLankan Airlines
- Iberia ClubBooks SriLankan Airlines
- JAL Mileage BankBooks SriLankan Airlines
- Lufthansa Miles & MoreBooks Thai Airways International
- Qantas Frequent FlyerBooks SriLankan Airlines
- Qatar Airways Privilege ClubBooks SriLankan Airlines
- Singapore Airlines KrisFlyerBooks Thai Airways International
- TAP Miles&GoBooks Thai Airways International
- Thai Royal Orchid PlusBooks Thai Airways International
- Turkish Airlines Miles&SmilesBooks Thai Airways International
- United MileagePlusBooks Thai Airways International
CMB to BKK with one stop
12 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Chennai (MAA)IndiGo the whole way
- Via Kochi (COK)SriLankan Airlines, then Air India Express
- Via Bengaluru (BLR)IndiGo the whole way
- Via Hyderabad (HYD)IndiGo the whole way
- Via Kuala Lumpur (KUL)Malaysia Airlines the whole way
+1
VZ - Via Ho Chi Minh City (SGN)VietJet Air and Vietnam Airlines the whole way
+2 - Via Dhaka (DAC)SriLankan Airlines and FitsAir, then Biman Bangladesh Airlines, US-Bangla Airlines and 1 more8DBGBS
- Via Male (MLE)Emirates, SriLankan Airlines and 4 more, then Bangkok Airways and Maldivian
+3
Q2 - Via Singapore (SIN)Singapore Airlines the whole way
- Via Kunming (KMG)China Eastern Airlines the whole way
- Via Mumbai (BOM)Air India and IndiGo the whole way
+1 - Via Kathmandu (KTM)SriLankan Airlines, then Nepal Airlines, Thai Airways International and 1 moreRAH9
CMB to BKK: common questions
Which airlines fly nonstop from CMB to BKK?
SriLankan Airlines (oneworld) and Thai Airways International (Star Alliance) fly nonstop from Colombo (CMB) to Bangkok (BKK).
How far is Colombo from Bangkok by plane?
Colombo (CMB) and Bangkok (BKK) are 1,486 miles (2,392 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
Which points programs can book CMB to BKK award flights?
21 programs can book at least one of the nonstop airlines: Air Canada Aeroplan, Air New Zealand Airpoints, Alaska Atmos Rewards, American AAdvantage, ANA Mileage Club, Avianca LifeMiles, British Airways Club, Cathay Pacific Asia Miles and 13 more. Which flights each can book depends on its partners, so check the airline before you transfer points.
How many miles does CMB to BKK cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for CMB to BKK with taxes and fees.
Where can I connect between Colombo and Bangkok?
The most direct connections are through Chennai (MAA), Kochi (COK), Bengaluru (BLR), Hyderabad (HYD) and Kuala Lumpur (KUL). On 8 of them the same airline flies both flights, for example IndiGo through Chennai.
More routes
Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.