Direct (nonstop) flights from Colombo to Bangkok

3 airlines fly nonstop from Bandaranaike International (CMB) to Suvarnabhumi Airport (BKK). It's 1,487 miles (2,393 km), about 3h 35m in the air. Operated by FitsAir, Thai Airways International, SriLankan Airlines.

CMB
Bandaranaike International
🇱🇰 Colombo, Sri Lanka
BKK
Suvarnabhumi Airport
🇹🇭 Bangkok, Thailand
Flight Time
3h 35m
Distance
1,487 mi
2,393 km
CO₂/pax
251 kg
−82 kg vs. layover
Airlines
3
FitsAir +2
Time Diff
+2h
Operated by FitsAir FitsAir Thai Airways International Thai Airways International SriLankan Airlines SriLankan Airlines

Route data last updated: May 31, 2026

Airlines with non-stop flights

FitsAir 8D FitsAir
Route
CMB → BKK
Flight Time
3h 35m
Distance
1,487 mi
Thai Airways International TG Thai Airways International
Route
CMB → BKK
Flight Time
3h 35m
Distance
1,487 mi
SriLankan Airlines UL SriLankan Airlines
Route
CMB → BKK
Flight Time
3h 35m
Distance
1,487 mi

Alternative Routes

Other ways to fly from Colombo to Bangkok with one stop · direct emits 251 kg CO₂ per passenger

CMB MAA (Chennai) BKK
Leg 1: 1h 20m (400 mi) Leg 2: 3h 35m (1,386 mi) Total: ~4h 55m 🍃 333 kg CO₂ (+33% vs. direct)
Leg 1
CMB → MAA
1h 20m · 400 mi
View CMB to MAA flights →
Leg 2
MAA → BKK
3h 35m · 1,386 mi
View MAA to BKK flights →
CMB BLR (Bengaluru) BKK
Leg 1: 1h 25m (439 mi) Leg 2: 3h 55m (1,550 mi) Total: ~5h 20m 🍃 368 kg CO₂ (+47% vs. direct)
Leg 1
CMB → BLR
1h 25m · 439 mi
View CMB to BLR flights →
Leg 2
BLR → BKK
3h 55m · 1,550 mi
View BLR to BKK flights →
CMB HYD (Hyderabad) BKK
Leg 1: 1h 55m (698 mi) Leg 2: 3h 35m (1,507 mi) Total: ~5h 30m 🍃 409 kg CO₂ (+63% vs. direct)
Leg 1
CMB → HYD
1h 55m · 698 mi
View CMB to HYD flights →
Leg 2
HYD → BKK
3h 35m · 1,507 mi
View HYD to BKK flights →
CMB KUL (Kuala Lumpur) BKK
Leg 1: 3h 45m (1,534 mi) Leg 2: 2h 15m (755 mi) Total: ~6h 🍃 424 kg CO₂ (+69% vs. direct)
Leg 1
CMB → KUL
3h 45m · 1,534 mi
View CMB to KUL flights →
Leg 2
KUL → BKK
2h 15m · 755 mi
View KUL to BKK flights →
CMB DAC (Dhaka) BKK
Leg 1: 3h 15m (1,342 mi) Leg 2: 2h 45m (972 mi) Total: ~6h 🍃 416 kg CO₂ (+66% vs. direct)
Leg 1
CMB → DAC
3h 15m · 1,342 mi
View CMB to DAC flights →
Leg 2
DAC → BKK
2h 45m · 972 mi
View DAC to BKK flights →

Looking for the return flight?

BKK → CMB: Flights from Bangkok to Colombo

Frequently Asked Questions

How long is the direct flight from Colombo to Bangkok?

A nonstop flight from Colombo (CMB) to Bangkok (BKK) takes approximately 3 hours and 35 minutes. The distance is 1,487 miles (2,393 km).

Which airlines fly nonstop from Colombo to Bangkok?

3 airlines: FitsAir, Thai Airways International, SriLankan Airlines.

Is there a nonstop flight from Colombo to Bangkok?

Yes. 3 airlines: FitsAir, Thai Airways International, SriLankan Airlines.

How far is Colombo from Bangkok?

The flight distance from Colombo to Bangkok is 1,487 miles (2,393 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as New York to Miami.

What is the time difference between Colombo and Bangkok?

Bangkok is 2 hours ahead of Colombo. (Asia/Colombo vs Asia/Bangkok.)

What type of aircraft flies from Colombo to Bangkok?

At 3h 35m, this route typically uses narrow-body or mid-range jets — Boeing 737 MAX or Airbus A320neo. Varies by airline.

Do I need a visa to travel from Sri Lanka to Thailand?

Depends on your passport. Check with the Thailand embassy or an official visa portal before booking — requirements change.

What is the carbon footprint of a flight from Colombo to Bangkok?

Roughly 251 kg CO2 per passenger one-way. That's about the same as driving 1,255 km.

Is the return flight from Bangkok to Colombo also nonstop?

Yes — nonstop flights run both ways. Flight time may differ slightly due to wind patterns.

When is the cheapest time to fly from Colombo to Bangkok?

Midweek flights (Tue/Wed) outside holiday peaks are usually cheapest. 3-6 weeks ahead is a good window for this route. Use "Check Prices" above to compare.

How early should I arrive at Bandaranaike International for this flight?

3 hours before departure for international flights. You need time for check-in, security, and immigration.