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

Compare Colombo Bandaranayake to Don Mueang flight deals

Find the cheapest month or even day of the year to fly to Don Mueang

Book the best Don Mueang fare with no extra fees

Flight deals from Colombo Bandaranayake to Don Mueang

Looking for a cheap last-minute deal or the best return flight from Colombo Bandaranayake to Don Mueang? Find the lowest prices on one-way and return tickets right here.
Bangkok.$389 per passenger.Departing Fri, 29 Aug, returning Wed, 3 Sep.Return flight with Thai AirAsia.Outbound direct flight with Thai AirAsia departs from Colombo Bandaranayake on Fri, 29 Aug, arriving in Don Mueang.Inbound direct flight with Thai AirAsia departs from Don Mueang on Wed, 3 Sep, arriving in Colombo Bandaranayake.Price includes taxes and charges.From $389, select.
Bangkok.$391 per passenger.Departing Sat, 20 Sep, returning Sun, 28 Sep.Return flight with AirAsia and Thai LionAir.Outbound indirect flight with AirAsia, departs from Colombo Bandaranayake on Sat, 20 Sep, arriving in Don Mueang.Inbound indirect flight with Thai LionAir, departs from Don Mueang on Sun, 28 Sep, arriving in Colombo Bandaranayake.Price includes taxes and charges.From $391, select.
Bangkok.$393 per passenger.Departing Sun, 2 Nov, returning Wed, 5 Nov.Return flight with Thai AirAsia.Outbound direct flight with Thai AirAsia departs from Colombo Bandaranayake on Sun, 2 Nov, arriving in Don Mueang.Inbound direct flight with Thai AirAsia departs from Don Mueang on Wed, 5 Nov, arriving in Colombo Bandaranayake.Price includes taxes and charges.From $393, select.
Bangkok.$393 per passenger.Departing Thu, 2 Oct, returning Thu, 9 Oct.Return flight with Thai AirAsia.Outbound direct flight with Thai AirAsia departs from Colombo Bandaranayake on Thu, 2 Oct, arriving in Don Mueang.Inbound direct flight with Thai AirAsia departs from Don Mueang on Thu, 9 Oct, arriving in Colombo Bandaranayake.Price includes taxes and charges.From $393, select.
Bangkok.$405 per passenger.Departing Fri, 31 Oct, returning Fri, 7 Nov.Return flight with Thai AirAsia.Outbound direct flight with Thai AirAsia departs from Colombo Bandaranayake on Fri, 31 Oct, arriving in Don Mueang.Inbound direct flight with Thai AirAsia departs from Don Mueang on Fri, 7 Nov, arriving in Colombo Bandaranayake.Price includes taxes and charges.From $405, select.
Bangkok.$405 per passenger.Departing Mon, 15 Sep, returning Thu, 25 Sep.Return flight with Thai AirAsia.Outbound direct flight with Thai AirAsia departs from Colombo Bandaranayake on Mon, 15 Sep, arriving in Don Mueang.Inbound direct flight with Thai AirAsia departs from Don Mueang on Thu, 25 Sep, arriving in Colombo Bandaranayake.Price includes taxes and charges.From $405, select.
Bangkok.$405 per passenger.Departing Tue, 10 Mar, returning Tue, 17 Mar.Return flight with Thai AirAsia.Outbound direct flight with Thai AirAsia departs from Colombo Bandaranayake on Tue, 10 Mar, arriving in Don Mueang.Inbound direct flight with Thai AirAsia departs from Don Mueang on Tue, 17 Mar, arriving in Colombo Bandaranayake.Price includes taxes and charges.From $405, select.
Bangkok.$406 per passenger.Departing Mon, 2 Feb, returning Mon, 9 Feb.Return flight with Thai AirAsia.Outbound direct flight with Thai AirAsia departs from Colombo Bandaranayake on Mon, 2 Feb, arriving in Don Mueang.Inbound direct flight with Thai AirAsia departs from Don Mueang on Mon, 9 Feb, arriving in Colombo Bandaranayake.Price includes taxes and charges.From $406, select.

Find the cheapest month to fly from Colombo Bandaranayake to Don Mueang

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Colombo Bandaranayake to Don Mueang flights are currently cheapest in September.
Aug
from $417
Sep
from $391
Oct
from $393
Nov
from $393
Dec
from $437
Jan
from $411
Feb
from $406
Mar
from $405
Apr
from $407
May
from $411
Jun
from $437
Jul
from $506

Direct flights from Colombo Bandaranayake to Don Mueang

Colombo Bandaranayake to Don Mueang: 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 Don Mueang.

Colombo to Bangkok: Flight information

The things to know before you go.
Cheapest flight found$389
Cheapest month to flyAugust
Average flight time3 hrs, 25 mins
Most popular airlineThai AirAsia
Average flights per week8

Finding cheap flights from Colombo Bandaranayake to Don Mueang: Frequently asked questions

The best price we found for a return flight from Colombo Bandaranayake to Don Mueang is $389. 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 25 minutes is the average flight time from Colombo Bandaranayake to Don Mueang.
Thai AirAsia flies direct from Colombo Bandaranayake to Don Mueang.
As of August 2025, there are 8 flights per week flying from Colombo Bandaranayake to Don Mueang.
The cheapest month to fly from Colombo Bandaranayake to Don Mueang is usually August.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Colombo Bandaranayake Airport to Don Mueang Airport on Friday, 29 August 2025.
Yes – the average flight time is 3 hours and 25 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 Don Mueang 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, Thai AirAsia offers the cheapest flight tickets to Don Mueang.

Travelling from Bandaranaike International Airport (CMB) to Don Mueang International Airport (DMK): what you need to know

  • Hop on a direct flight from Bandaranaike International Airport to Don Mueang International Airport and you'll be travelling for an average of 3 hours 35 minutes.

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

  • Take your pick of eight weekly Bandaranaike International Airport to Don Mueang International Airport flights. The 22:35 departure with Thai AirAsia is the earliest you can take. Thai AirAsia operates the last service of the day at 23:15.

  • For a stress-free journey, turn up at the airport two hours ahead of international flights and one hour before domestic departures. This way, you'll have plenty of time to catch your CMB to DMK flight.

  • During popular months like February, it's best to get to the airport earlier than usual. Plan to arrive two hours before a domestic departure and four hours ahead for an international flight whenever you're flying during a high season in general.

  • Thai AirAsia offers direct flights from Bandaranaike International Airport to Don Mueang International Airport. Book with this popular airline, then get ready to check out the sights in Bangkok — and maybe even more of Thailand if time allows.

  • Thai AirAsia is the airline most travellers choose for this route.

  • Thai AirAsia ranks as the leading on-time carrier for CMB to DMK flights, with 85.25% of its services arriving on schedule.

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

    • Kuala Lumpur International Airport

    • Cochin International Airport

    • Kempegowda International Airport

How to find the cheapest flights from Bandaranaike International Airport (CMB) to Don Mueang International Airport (DMK)

  • $220 is currently the lowest price for a one-way Bandaranaike International Airport to Don Mueang International Airport flight. Return flights start at $389. These fares may change based on demand and availability.

  • Book seven months before travelling. After looking at the numbers on our calendar, this is how far you should book ahead to find cheap tickets from CMB to DMK.

  • June is the cheapest month for flights from Bandaranaike International Airport to Don Mueang International Airport. If you need to fly at a different time of year, the 'Whole month' tool will show you the lowest airfares for each month.

  • Never miss a deal on cheap flights from CMB to DMK by creating a Price Alert. You'll get an email or notification on the app when a new low fare is offered.

  • Find the ideal flight for you with the help of the filters. To see the 'Best,' 'Fastest' or 'Cheapest' flights from Bandaranaike International Airport to Don Mueang International Airport, use the 'Sort by' function. You can also filter by airline, arrival and departure times, and number of stops.

Handy information about Bandaranaike International Airport (CMB)

  • 75.71% of flights that take off from Bandaranaike International Airport make it to their destination on schedule.

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

  • The journey when using public transport typically takes 1 hour 30 minutes.

  • Booked an early flight from Bandaranaike International Airport to Don Mueang International Airport? Avoid the last-minute rush to the terminal (and sneak in some extra precious sleep) by picking one of these stays near CMB:

Arriving at Don Mueang International Airport (DMK)

Getting from Don Mueang International Airport (DMK) to central Bangkok

  • From Don Mueang International Airport, Bangkok is approximately 27 kilometres away. It takes around 30 minutes to get to the centre driving.

  • When travelling on public transport, expect a journey time of around 1 hour 5 minutes.

When to fly to Don Mueang International Airport (DMK)

  • It's time to plan your travel dates for your flight from Bandaranaike International Airport to Don Mueang International Airport. August is the busiest month to visit Bangkok. If you'd like a quieter vibe, go in February.

  • The warmest month in Bangkok is April, with the temperature ranging between 26ºC (79ºF) and 37ºC (99ºF). Book your flights from Bandaranaike International Airport to Don Mueang International Airport in this month if this is the type of weather you like.

  • Search for cheap tickets from CMB to DMK in December if you like travelling in cooler conditions. Temperatures are at their lowest then, ranging between 19ºC (66ºF) and 33ºC (91ºF) on average.

Explore more of Thailand

  • You've seen Bangkok, now it's time to explore other corners of Thailand. Travel about 467 kilometres north-east to Udon Thani to check off its top attractions. From Nong Prajak Public Park to Krom Luang Prachaksinlapakhom Monument and Chinesisches Tor, there's plenty to keep you on the go.

  • Around 64 kilometres south-east of Bangkok, Chon Buri is another favourite stop in Thailand. No visit is complete without checking out Wat Ton Son, Forest and Phra Phutthasihing Hall.

Plan the rest of your trip from Colombo to Bangkok

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