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Cheap Flights from Colombo Bandaranayake to Bangkok Suvarnabhumi

Compare Colombo Bandaranayake to Bangkok Suvarnabhumi flight deals

Find the cheapest month or even day of the year to fly to Bangkok Suvarnabhumi

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Flight deals from Colombo Bandaranayake to Bangkok Suvarnabhumi

Looking for a cheap last-minute deal or the best return flight from Colombo Bandaranayake Airport to Bangkok Suvarnabhumi Airport? If you want to travel next month, return fares start from R 4,278. Find the lowest prices on one-way and return tickets right here.
Bangkok.R 2,971 per passenger.Departing Thu, 17 Sep.One-way flight with VietJet Air.Outbound indirect flight with VietJet Air, departs from Colombo Bandaranayake on Thu, 17 Sep, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From R 2,971, select.
Bangkok.R 3,081 per passenger.Departing Sat, 31 Oct.One-way flight with VietJet Air.Outbound indirect flight with VietJet Air, departs from Colombo Bandaranayake on Sat, 31 Oct, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From R 3,081, select.
Bangkok.R 3,157 per passenger.Departing Thu, 12 Nov.One-way flight with VietJet Air.Outbound indirect flight with VietJet Air, departs from Colombo Bandaranayake on Thu, 12 Nov, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From R 3,157, select.
Bangkok.R 3,290 per passenger.Departing Sat, 19 Dec.One-way flight with VietJet Air.Outbound indirect flight with VietJet Air, departs from Colombo Bandaranayake on Sat, 19 Dec, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From R 3,290, select.
Bangkok.R 3,291 per passenger.Departing Sat, 29 Aug.One-way flight with Vietnam Airlines.Outbound indirect flight with Vietnam Airlines, departs from Colombo Bandaranayake on Sat, 29 Aug, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From R 3,291, select.
Bangkok.R 3,512 per passenger.Departing Tue, 16 Mar.One-way flight with VietJet Air.Outbound indirect flight with VietJet Air, departs from Colombo Bandaranayake on Tue, 16 Mar, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From R 3,512, select.
Bangkok.R 3,547 per passenger.Departing Sat, 2 Jan.One-way flight with VietJet Air.Outbound indirect flight with VietJet Air, departs from Colombo Bandaranayake on Sat, 2 Jan, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From R 3,547, select.
Bangkok.R 3,613 per passenger.Departing Thu, 25 Feb.One-way flight with VietJet Air.Outbound indirect flight with VietJet Air, departs from Colombo Bandaranayake on Thu, 25 Feb, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From R 3,613, select.
Bangkok.R 3,749 per passenger.Departing Thu, 1 Apr.One-way flight with Air India.Outbound indirect flight with Air India, departs from Colombo Bandaranayake on Thu, 1 Apr, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From R 3,749, select.
Bangkok.R 3,763 per passenger.Departing Thu, 13 May.One-way flight with Air India.Outbound indirect flight with Air India, departs from Colombo Bandaranayake on Thu, 13 May, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From R 3,763, select.
Bangkok.R 3,775 per passenger.Departing Tue, 22 Jun.One-way flight with Air India.Outbound indirect flight with Air India, departs from Colombo Bandaranayake on Tue, 22 Jun, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From R 3,775, select.
Bangkok.R 3,799 per passenger.Departing Mon, 5 Jul.One-way flight with Air India.Outbound indirect flight with Air India, departs from Colombo Bandaranayake on Mon, 5 Jul, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From R 3,799, select.
Bangkok.R 4,334 per passenger.Departing Fri, 31 Jul.One-way flight with IndiGo.Outbound indirect flight with IndiGo, departs from Colombo Bandaranayake on Fri, 31 Jul, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From R 4,334, select.
Bangkok.R 4,772 per passenger.Departing Mon, 3 Aug.One-way flight with Thai Airways.Outbound direct flight with Thai Airways departs from Colombo Bandaranayake on Mon, 3 Aug, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From R 4,772, select.
Bangkok.R 4,816 per passenger.Departing Thu, 17 Sep.One-way flight with Thai Airways.Outbound direct flight with Thai Airways departs from Colombo Bandaranayake on Thu, 17 Sep, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From R 4,816, select.
Bangkok.R 4,854 per passenger.Departing Thu, 10 Jun.One-way flight with Thai Airways.Outbound direct flight with Thai Airways departs from Colombo Bandaranayake on Thu, 10 Jun, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From R 4,854, select.

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

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Colombo Bandaranayake to Bangkok Suvarnabhumi flights are currently cheapest in September.
Jul
from R 4,334
Aug
from R 3,291
Sep
from R 2,971
Oct
from R 3,081
Nov
from R 3,157
Dec
from R 3,290
Jan
from R 3,547
Feb
from R 3,613
Mar
from R 3,512
Apr
from R 3,749
May
from R 3,763
Jun
from R 3,775

Direct flights from Colombo Bandaranayake to Bangkok Suvarnabhumi

Colombo Bandaranayake to Bangkok Suvarnabhumi: Alternative routes

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

Don Mueang

21km from central Bangkok
ClosestCheapest
from R 2,579
Search flights

Bangkok Suvarnabhumi

29km from central Bangkok
from R 2,971
Search flights

Colombo to Bangkok: Flight information

The things to know before you go.
Cheapest flight foundR 2,971
Cheapest month to flySeptember
Average flight time3 hrs, 40 mins
Most popular airlineQantas
Average flights per week72

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

The best price we found for a return flight from Colombo Bandaranayake to Bangkok Suvarnabhumi is R 4,212. 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 40 minutes is the average flight time from Colombo Bandaranayake to Bangkok Suvarnabhumi.
Qantas, Air Seychelles and Myanmar Airways International fly direct from Colombo Bandaranayake to Bangkok Suvarnabhumi.
As of July 2026, there are 72 flights per week flying from Colombo Bandaranayake to Bangkok Suvarnabhumi.
The cheapest month to fly from Colombo Bandaranayake to Bangkok Suvarnabhumi is usually July.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Colombo Bandaranayake Airport to Bangkok Suvarnabhumi Airport on Friday, 31 July 2026.
Yes – the average flight time is 3 hours and 40 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 Bangkok Suvarnabhumi 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 Bangkok is around 40 days in advance, so don’t leave your flight to the last minute.

Currently, IndiGo and SriLankan Airlines offer the cheapest flight tickets to Bangkok Suvarnabhumi.

Flying from Colombo Bandaranayake Airport (CMB) to Bangkok Suvarnabhumi Airport (BKK): what you need to know

  • Jump on a direct flight from Colombo Bandaranayake Airport to Bangkok Suvarnabhumi Airport and you'll be in the air for an average of 3 hours 40 minutes.

  • Bangkok is one hour 30 minutes ahead of Colombo and follows the UTC+7 timezone.

  • Each week, there are 21 Colombo Bandaranayake Airport to Bangkok Suvarnabhumi Airport flights. To be on board as early as possible, pick the 00:55 Thai Airways International flight. If you'd rather make the most of your day before you fly, the last flight is at 07:50 with SriLankan Airlines.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are golden rules for stress-free travel. Be at the airport with enough time to catch your CMB to BKK flight.

  • Flying during a peak time such as August? School holidays and other popular periods can mean longer lines and delays at check-in and security. Be extra cautious and arrive up to four hours before an international flight and two hours before a domestic departure.

  • SriLankan Airlines has direct flights from Colombo Bandaranayake Airport to Bangkok Suvarnabhumi Airport. Book with this popular airline, then get ready to discover the sights in Bangkok — and maybe even more of Thailand if your schedule allows.

  • SriLankan Airlines has the highest passenger demand on this route.

  • Thai Airways leads the way as the most punctual carrier for CMB to BKK flights, with 93.44% of its services arriving as scheduled.

  • Consider adding a stopover when booking your ticket from Colombo Bandaranayake Airport to Bangkok Suvarnabhumi Airport. Just uncheck 'Direct flights only' to break up your trip, or visit a new city along the way. Here are some options between CMB and BKK:

    • Kuala Lumpur International Airport

    • Singapore Changi Airport

    • Chennai Airport

Handy information about Colombo Bandaranayake Airport (CMB)

  • When it comes to the on-time performance of Colombo Bandaranayake Airport, data shows 69% of flights complete their journey on time.

  • Central Colombo to Colombo Bandaranayake Airport is approximately 32 kilometres. Depending on traffic, it'll take about 40 minutes to get there if you're catching a taxi, ride-sharing or driving.

  • You can expect a trip time of about 50 minutes on public transport.

  • Looking for a handy hotel near CMB? If you've booked an early flight from Colombo Bandaranayake Airport to Bangkok Suvarnabhumi Airport, these stays will have you moments from check-in:

Arriving at Bangkok Suvarnabhumi Airport (BKK)

  • If you're getting in on a late Colombo Bandaranayake Airport to Bangkok Suvarnabhumi Airport flight, few things top the convenience of being near the terminal. Grab your bags from the carousel and then be showered and resting not long after at one of these hotels near BKK:

  • Grab a Bangkok Suvarnabhumi Airport rental car and discover Bangkok and beyond with your own set of wheels. Chic Car Rent, asap car rental and Hertz are popular outlets to choose from here.

  • Booking your vehicle from Bangkok Suvarnabhumi Airport about four weeks in advance gives you the best chance of locking in a great deal.

Getting from Bangkok Suvarnabhumi Airport (BKK) to central Bangkok

  • Bangkok Suvarnabhumi Airport to the centre of Bangkok has a drive time of about 35 minutes. It's approximately 31 kilometres away.

  • If you're taking public transport, expect a journey of around 35 minutes.

When to fly to Bangkok Suvarnabhumi Airport (BKK)

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

  • Lock in your flight from Colombo Bandaranayake Airport to Bangkok Suvarnabhumi Airport for April if you'd like to visit Bangkok during its warmest month. You can expect temperatures of between 26ºC (79ºF) and 37ºC (99ºF).

  • Look for cheap tickets from CMB to BKK in January if you like cooler conditions. Temperatures are at their lowest then, ranging between 19ºC (66ºF) and 34ºC (93ºF) on average.

More travel options

Plan the rest of your trip from Colombo to Bangkok

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.