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Cheap Flights from Bangkok (BKK) to Colombo (CMB)

Compare Bangkok Suvarnabhumi to Colombo Bandaranayake flight deals

Find the cheapest month or even day of the year to fly to Colombo Bandaranayake

Book the best Colombo Bandaranayake fare with no extra fees

Map with a flight path from Bangkok Suvarnabhumi to Colombo Bandaranayake. A plane icon is halfway along the route with a label that says "Direct flight".
Direct flight

Your route at a glance

Cheapest deal$420
Cheapest monthOctober
Average flight duration3 hours and 27 minutes
Most popular airlineSriLankan Airlines

Flight deals from Bangkok Suvarnabhumi to Colombo Bandaranayake

Looking for a cheap last-minute deal or the best return flight from Bangkok Suvarnabhumi to Colombo Bandaranayake? Find the lowest prices on one-way and return tickets right here.
Colombo.$420 per passenger.Departing Wed, 15 Oct, returning Mon, 10 Nov.Return flight with Thai VietJet Air and AirAsia.Outbound indirect flight with Thai VietJet Air, departs from Bangkok Suvarnabhumi on Wed, 15 Oct, arriving in Colombo Bandaranayake.Inbound indirect flight with AirAsia, departs from Colombo Bandaranayake on Mon, 10 Nov, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From $420, select.
Colombo.$448 per passenger.Departing Mon, 17 Nov, returning Mon, 24 Nov.Return flight with Thai VietJet Air and AirAsia.Outbound indirect flight with Thai VietJet Air, departs from Bangkok Suvarnabhumi on Mon, 17 Nov, arriving in Colombo Bandaranayake.Inbound indirect flight with AirAsia, departs from Colombo Bandaranayake on Mon, 24 Nov, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From $448, select.
Colombo.$450 per passenger.Departing Fri, 29 Aug, returning Mon, 22 Sep.Return flight with Scoot and AirAsia.Outbound indirect flight with Scoot, departs from Bangkok Suvarnabhumi on Fri, 29 Aug, arriving in Colombo Bandaranayake.Inbound indirect flight with AirAsia, departs from Colombo Bandaranayake on Mon, 22 Sep, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From $450, select.
Colombo.$467 per passenger.Departing Wed, 20 Aug, returning Wed, 27 Aug.Return flight with IndiGo.Outbound indirect flight with IndiGo, departs from Bangkok Suvarnabhumi on Wed, 20 Aug, arriving in Colombo Bandaranayake.Inbound indirect flight with IndiGo, departs from Colombo Bandaranayake on Wed, 27 Aug, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From $467, select.
Colombo.$476 per passenger.Departing Sat, 13 Sep, returning Sat, 20 Sep.Return flight with IndiGo and AirAsia.Outbound indirect flight with IndiGo, departs from Bangkok Suvarnabhumi on Sat, 13 Sep, arriving in Colombo Bandaranayake.Inbound indirect flight with AirAsia, departs from Colombo Bandaranayake on Sat, 20 Sep, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From $476, select.
Colombo.$489 per passenger.Departing Mon, 1 Dec, returning Fri, 12 Dec.Return flight with Thai VietJet Air and IndiGo.Outbound indirect flight with Thai VietJet Air, departs from Bangkok Suvarnabhumi on Mon, 1 Dec, arriving in Colombo Bandaranayake.Inbound indirect flight with IndiGo, departs from Colombo Bandaranayake on Fri, 12 Dec, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From $489, select.
Colombo.$500 per passenger.Departing Thu, 12 Mar, returning Sat, 21 Mar.Return flight with IndiGo.Outbound indirect flight with IndiGo, departs from Bangkok Suvarnabhumi on Thu, 12 Mar, arriving in Colombo Bandaranayake.Inbound indirect flight with IndiGo, departs from Colombo Bandaranayake on Sat, 21 Mar, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From $500, select.
Colombo.$505 per passenger.Departing Mon, 25 Aug, returning Sun, 31 Aug.Return flight with SriLankan Airlines.Outbound direct flight with SriLankan Airlines departs from Bangkok Suvarnabhumi on Mon, 25 Aug, arriving in Colombo Bandaranayake.Inbound direct flight with SriLankan Airlines departs from Colombo Bandaranayake on Sun, 31 Aug, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From $505, select.

Find the cheapest month to fly from Bangkok Suvarnabhumi to Colombo Bandaranayake

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Bangkok Suvarnabhumi to Colombo Bandaranayake flights are currently cheapest in November.
Aug
from $467
Sep
from $476
Oct
from $508
Nov
from $448
Dec
from $489
Jan
from $562
Feb
from $536
Mar
from $500
Apr
from $687
May
from $610
Jun
from $609
Jul
from $610

Direct flights from Bangkok Suvarnabhumi to Colombo Bandaranayake

Bangkok Suvarnabhumi to Colombo Bandaranayake: Alternative routes

Compare routes from Bangkok Suvarnabhumi to Colombo below. You may find an airport to fly into that's cheaper, faster, or easier than Colombo Bandaranayake.

Finding cheap flights from Bangkok Suvarnabhumi to Colombo Bandaranayake: Frequently asked questions

The best price we found for a return flight from Bangkok Suvarnabhumi to Colombo Bandaranayake is $420. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
3 hours and 27 minutes is the average flight time from Bangkok Suvarnabhumi to Colombo Bandaranayake.
SriLankan Airlines, Finnair and Qantas fly direct from Bangkok Suvarnabhumi to Colombo Bandaranayake.
As of August 2025, there are 62 flights per week flying from Bangkok Suvarnabhumi to Colombo Bandaranayake.
The cheapest month to fly from Bangkok Suvarnabhumi to Colombo Bandaranayake is usually October.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Bangkok Suvarnabhumi Airport to Colombo Bandaranayake Airport on Wednesday, 15 October 2025.
Yes – the average flight time is 3 hours and 27 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Colombo Bandaranayake but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Colombo is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Thai VietJet Air and SriLankan Airlines offer the cheapest flight tickets to Colombo Bandaranayake.

Travelling from Suvarnabhumi Airport (BKK) to Bandaranaike International Airport (CMB): what you need to know

  • The average duration of a direct flight from Suvarnabhumi Airport to Bandaranaike International Airport is 3 hours 45 minutes.

  • The timezone in Colombo is UTC+5:30, which is one hour 30 minutes behind Bangkok.

  • Every week, there are 29 Suvarnabhumi Airport to Bandaranaike International Airport flights. If you want to be on board early, take the 07:45 SriLankan Airlines flight. If you're eager to make the most of your time before you fly, the last departure is at 22:05 with Thai Airways International.

  • Give yourself plenty of time to catch your BKK to CMB flight. Generally, it's best to arrive two hours before international departures and an hour ahead for domestic flights.

  • Travelling during a peak month such as July? Major public holidays and other popular periods can result in longer queues at check-in and security. Play things extra safe and get there up to four hours ahead of international flights and two hours before a domestic departure.

  • Jetting into Colombo (and then discovering more of Sri Lanka!) is a snap with Thai Airways International. This popular carrier offers direct flights from Suvarnabhumi Airport to Bandaranaike International Airport.

  • Thai Airways International has the highest passenger demand on this route.

  • With a dependable 85.06% of services arriving as planned, SriLankan Airlines has the best on-time record for BKK to CMB flights.

  • We make it a cinch to book a flight with a stopover. To see all your options for tickets from Suvarnabhumi Airport to Bandaranaike International Airport, deselect 'Direct flights only.' Then, pick a flight offering a stop long enough to visit your chosen city. Stopovers between BKK and CMB include:

    • Kuala Lumpur International Airport

    • Changi International Airport

    • Chennai Airport

How to find the cheapest flights from Suvarnabhumi Airport (BKK) to Bandaranaike International Airport (CMB)

  • $198 is currently the lowest price for a one-way Suvarnabhumi Airport to Bandaranaike International Airport flight. Return flights start at $420. These prices can change based on availability.

  • Score cheap tickets from BKK to CMB by booking at least six months ahead. According to our research, that's the sweet spot for landing a bargain.

  • Schedule your trip for May. That's the cheapest month for flights from Suvarnabhumi Airport to Bandaranaike International Airport. If you're flexible with your travel dates, use the 'Whole month' tool to see the cheapest airfare across every month.

  • There's no need to check every day to see if fares have dropped when you set up a Price Alert. We'll notify you the moment the price changes on cheap flights from BKK to CMB.

  • Choose your preferred departure and arrival times, number of stops and airlines with the filters. Or sort your results by 'Cheapest' to get the best deals on flights from Suvarnabhumi Airport to Bandaranaike International Airport.

Handy information about Suvarnabhumi Airport (BKK)

  • 67.87% of flights departing from Suvarnabhumi Airport land at their destination on time.

  • Central Bangkok to Suvarnabhumi Airport is approximately 32 kilometres. Depending on traffic, it'll take about 35 minutes to get there if you're ride-sharing, catching a cab or driving.

  • Expect a trip time of around 1 hour 5 minutes on public transport.

  • Looking for a handy hotel near BKK? If you've booked an early flight from Suvarnabhumi Airport to Bandaranaike International Airport, these accommodation options will put you moments from your departure gate:

Arriving at Bandaranaike International Airport (CMB)

Getting from Bandaranaike International Airport (CMB) to central Colombo

  • Bandaranaike International Airport is roughly 32 kilometres from the centre of Colombo. The drive time takes about 40 minutes.

  • It takes roughly 1 hour 30 minutes if you're travelling on public transport.

When to fly to Bandaranaike International Airport (CMB)

  • The quietest month for a flight from Suvarnabhumi Airport to Bandaranaike International Airport is April, while February is the busiest. Pick the best time to visit Colombo based on whether you prefer a more fast-paced or easygoing experience.

  • The warmest month in Colombo is March, with temperatures ranging between 24ºC (75ºF) and 33ºC (91ºF). Lock in your flights from Suvarnabhumi Airport to Bandaranaike International Airport in this month if this is the type of weather you enjoy.

  • Look for cheap tickets from BKK to CMB in January if you like travelling in cooler conditions. Temperatures are at their lowest around then, ranging between 22ºC (72ºF) and 32ºC (90ºF) on average.

Explore more of Sri Lanka

  • Colombo has plenty to offer, but there are so many other parts of Sri Lanka just waiting to be discovered. About 18 kilometres south of Colombo, a visit to Moratuwa will keep your itinerary packed. Start with popular sights like Boat House, Angulana Beach and Dilmah Conservation One Earth Arboretum.

  • If you're eager to discover another side of Sri Lanka, head for Jaffna, about 306 kilometres north of Colombo. Jaffna Fort, Dambakola Patuna Sangamitta Temple and Jaffna Public Library are highlights.

Plan the rest of your trip from Bangkok to Colombo

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.