Colombo to Bangkok (CMB–BKK) — Airlines, Schedules & Connections

CMB Airport Page →
1,486 mi airlines 39/wk
On-time Some delays Frequent delays
Flight Schedule 14 flights Verified 1h ago
Nonstop 1-Stop 2-Stop Hide separate tickets Hide overnight Hide codeshares
  Flight Airline AC Dep Arr Dur OTP Sched  
✈ Nonstop
TG308+2
TG Thai
320
12:55 AM
+0530
6:10 AM
+07
3h 45m
M T W T F S S
Prices
AC7442cs
AC Air Canada
320
12:55 AM
+0530
6:10 AM
+07
3h 45m
M T W T F S S
Prices
UL402+4
UL SriLankan
320
1:05 AM
+0530
6:15 AM
+07
3h 40m
M T W T F S S
Prices
QF4242cs
QF Qant
32B
7:35 AM
+0530
12:45 PM
+07
3h 40m
M T W T F S S
Prices
UL404+3
UL SriLankan
32B
7:35 AM
+0530
12:45 PM
+07
3h 40m
M T W T F S S
Prices
AY6644cs
AY Finnair
32B
7:35 AM
+0530
12:45 PM
+07
3h 40m
M T W T F S S
Prices
QF4197cs
QF Qant
320
7:45 AM
+07
9:35 AM
+0530
3h 20m
M T W T F S S
Prices
UL403+4
UL SriLankan
320
7:45 AM
+07
9:35 AM
+0530
3h 20m
M T W T F S S
Prices
JL5704cs
JL Japan
32A
9:00 AM
+07
11:00 AM
+0530
3h 30m
M T W T F S S
Prices
AY6645cs
AY Finnair
320
9:00 AM
+07
11:00 AM
+0530
3h 30m
M T W T F S S
Prices
AY6647cs
AY Finnair
32B
3:20 PM
+07
5:10 PM
+0530
3h 20m
M T W T F S S
Prices
UL405+3
UL SriLankan
32B
3:20 PM
+07
5:10 PM
+0530
3h 20m
M T W T F S S
Prices
QF4243cs
QF Qant
32B
3:20 PM
+07
5:10 PM
+0530
3h 20m
M T W T F S S
Prices
TG307+2
TG Thai
320
9:40 PM
+07
11:55 PM
+0530
3h 45m
M T W T F S S
Prices

No flights match your filters.

No nonstop flights on this route. connecting options below.

1-STOP More options, longer trips
2-STOP Loading... Reach the hardest destinations
Colombo to Bangkok
2 carriers, 39 flights/week nonstop.
2 Airlines 39 Flights/wk 1,486 mi 3h 40m nonstop +1.5h ahead 35 1-stop hubs

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

All carriers operating nonstop CMB–BKK service, compared side by side.
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
Aircraft on this route
320 Airbus A320 – AC, TG, UL
32B Airbus A321neo (long range) – AY, QF, UL
Alliance coverage
Oneworld: UL (14 flights/wk, 67%)
Star Alliance: TG (7 flights/wk, 33%)
OTP based on airport-level delay snapshots. Duration ranges reflect seasonal/directional variation.

Weekly Schedule Pattern

Nonstop flight frequency by day of week, CMB to BKK direction.
Mon
5
flights
Tue
6
flights
Wed
5
flights
Thu
6
flights
Fri
6
flights
Sat
5
flights
Sun
6
flights
Departure time distribution
12 AM6 AM12 PM6 PM12 AM
Morning departures
Afternoon/evening departures
6
Nonstop flights
39
Outbound / wk
56
Return / wk

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for CMB to BKK.
1-STOP
One-Stop Connections
35
Hubs
~14h
Fastest
~42h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
1,695
Candidates
Two-stop connections loaded in the connections tab above.
Connections computed from published schedules with minimum connection time verification. Use the interactive explorer above the fold to filter by airline, tier, and layover time.

Travel Essentials

Practical planning for this route.
Time Difference
+1.5h
Bangkok is 1.5 hours ahead of Colombo.
CMB: +0530 · BKK: +07

When it's 6:00 PM in Colombo, it's 7.5:00 PM in Bangkok.
Distance & Flight Time
1,486 mi / 2,392 km
Nonstop flight time is approximately 3h 40m to 3h 45m.
Getting from BKK

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.

Bangkok Climate

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

Key statistics for the Colombo to Bangkok route.
Route details
Distance1,486 mi / 2,392 km
Flight time3h 40m to 3h 45m
Time difference+1.5 hours
Airlines (nonstop)2
Weekly flights39 out / 56 return
1-stop connections35 hubs
Origin: CMB
IATA / ICAOCMB / VCBI
TimezoneAsia/Colombo
Passengers/yr8.8M
Elevation30 ft / 9 m
Destination: BKK
IATA / ICAOBKK / VTBS
TimezoneAsia/Bangkok
Passengers/yr62.2M
Elevation5 ft / 2 m

Frequently Asked Questions

Common questions about CMB to BKK flights.
Nonstop flights from Bandaranaike International Colombo Airport to Suvarnabhumi Airport take approximately 3h 40m to 3h 45m. The route covers 1,486 miles.
2 airlines operate nonstop service: Thai Airways and SriLankan Airlines. Plus 4 codeshare partners.
There are approximately 39 nonstop flights per week from CMB to BKK. The return direction has about 56 weekly flights.
Yes, 1-stop connections are available through KUL, LHE, BOM, BLR, MAA, RUH, KMG, HKG, KTM, DAC, HYD, MCT, SIN, DEL, CKG, PVG, MLE, SVO, ICN, AUH, CAN, LHR, NRT, SHJ, DXB, JED, DOH, CDG, CGK, IST, PKX, FRA, SYD, ZRH and MEL. These options provide additional schedule flexibility.
Bangkok is 1.5 hours ahead of Colombo.
Yes, return flights from BKK to CMB are available. Use the direction toggle at the top to view the return schedule.
Click the 'Search Flights' button to check availability and prices on Google Flights. You can also compare airlines and schedules on this page to find the best option.
Route data is updated regularly from official airline schedules. On-time performance data comes from recent airport delay snapshots.

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.