Colombo to Bangkok (CMB–BKK) — Airlines, Schedules & Connections
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No nonstop flights on this route. connecting options below.
CMB–BKK is served by 2 airlines with nonstop service. SriLankan Airlines and Thai Airways lead the route. The flight covers 1,486 miles in approximately 3h 40m. Beyond nonstop, 35 hubs offer 1-stop connections.
Airline Landscape
| Airline | Freq/wk | Aircraft | Duration | Dep OTP | Alliance | Codeshares |
|---|---|---|---|---|---|---|
| UL SriLankan Airlines Also: 8M, AY, QF | 14 | 320, 32B | 3h40 | – | Oneworld | 8M, AY, QF |
| TG Thai Airways Also: AC | 7 | 320 | 3h45 | – | Star Alliance | AC |
Weekly Schedule Pattern
Connection Landscape
Travel Essentials
CMB: +0530 · BKK: +07
When it's 6:00 PM in Colombo, it's 7.5:00 PM in Bangkok.
Airport Rail Link runs to Phaya Thai in 30 minutes (฿45). Runs 6am to midnight. Connect to BTS Skytrain at Phaya Thai for onward travel to Sukhumvit, Silom, or Siam.Taxis from the arrivals level are metered; add the ฿50 airport surcharge and expressway tolls to the meter reading. Total to central Bangkok typically ฿300–450. Grab is reliable and avoids negotiation. Limousine services (฿800–1,500) are available from the arrival hall. Buses are cheap but slow given Bangkok's traffic.
Tropical monsoon climate. Hot season (March–May) reaches 38–40°C with high humidity. Wet season (May–October) brings daily heavy rains and occasional flooding. Thunderstorms cause flight delays regularly. Suvarnabhumi sits in a flood-prone area east of Bangkok. The 2011 floods came close to the airport perimeter.
Cool season (November–February) is the most comfortable for travel (25–32°C) with lower humidity and good flying weather. Haze from agricultural burning occasionally reduces visibility in March–April.
CMB–BKK Quick Facts
Frequently Asked Questions
Flights from CMB to BKK
Bandaranaike International Colombo Airport (CMB) and Suvarnabhumi Airport (BKK) are connected by nonstop service from Thai Airways and SriLankan Airlines. With 39 weekly departures, this is a heavily served route.
CMB to BKK Flight Duration and Schedule
Nonstop flight time from CMB to BKK ranges from 3 hours 40 minutes to 3 hours 45 minutes. The route covers a distance of 1,486 miles (2,392 km). There are approximately 39 weekly flights outbound and 56 return, totaling 95 flights per week in both directions.
Connecting Options and Alternatives
35 one-stop connections are available, with the fastest taking approximately 14 hours via KUL. Two-stop connections are also available via intermediate hubs.