Cheap Flights from Chiang Mai to Colombo

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Flight deals from Chiang Mai Airport to Colombo

Looking for a cheap last-minute deal or the best return flight from Chiang Mai Airport to Colombo? If you want to travel next month, return fares start from $661. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Chiang Mai to Colombo

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Chiang Mai to Colombo flights are currently cheapest in April.

Chiang Mai to Colombo: Flight information

The things to know before you go.
Cheapest flight found$660
Cheapest month to flyApril

Finding cheap flights from Chiang Mai to Colombo: Frequently asked questions

There are 5 airports in Colombo: Kelaniya, Colombo Ratmalana, Colombo Bandaranayake, Bentota River, and Katugastota.
The best price we found for a return flight from Chiang Mai to Colombo is $660. 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.
Currently, there are no airlines that fly direct from Chiang Mai to Colombo. But we found flights with one or more stops from $661.
As of March 2026, there are no flights flying from Chiang Mai to Colombo.
The cheapest month to fly from Chiang Mai to Colombo is usually April.
If you're flying from Chiang Mai Airport, the cheapest airport near Colombo is Colombo Bandaranayake – which is 27.5 km away from the centre of Colombo. We've found flights into this airport from $660.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Chiang Mai Airport to Colombo on Thursday, 2 April 2026.
No airlines currently offer direct flights between Chiang Mai Airport and Colombo. Most routes have one or more stops.
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 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.
In March, the average temperature is usually around 28°C. May is typically the warmest month in Colombo, when it usually averages around 29°C. You can expect the least rain in February. The coldest month is July, with temperatures averaging 25°C. The rainiest month is November.
Currently, Thai AirAsia offers the cheapest flight tickets to Colombo.

Travelling from Chiang Mai International Airport (CNX) to Colombo: what you need to know

  • Colombo is one hour 30 minutes behind Chiang Mai, where Chiang Mai International Airport is located. Colombo runs on the UTC+5:30 timezone.

  • For stress-free travel, arrive at the airport two hours ahead of international flights and one hour before domestic departures. That way, you can comfortably catch your CNX to Colombo flight.

  • Longer lines at security and check-in are likely if you're travelling during high season, so allow some extra breathing space. A good general rule for peak times? Get there up to four hours ahead for international flights and two hours for domestic departures.

  • We make it simple to book flight tickets from CNX to Colombo with a stopover. To see all the options, uncheck 'Direct flights only.' Next, pick a flight with a stop long enough to tour the city of your choice. Well-traveled stopover hubs include:

    • Guangzhou Baiyun International Airport (CAN)

    • Suvarnabhumi Airport (BKK)

    • Hong Kong International Airport (HKG)

  • Located around 3 kilometres from central Chiang Mai, CNX can be reached in about 10 minutes by car. Travelling on public transport takes roughly 25 minutes.

  • Want an easy start to your travels? Stay near CNX. Whether you're catching an early flight from Chiang Mai International Airport to Colombo or just don't want to be rushed, these hotels are worth a look:

  • 76.37% of flights that take off from Chiang Mai International Airport touch down at their destination on schedule.

How to find the cheapest flights from Chiang Mai International Airport (CNX) to Colombo

  • $287 is the lowest price we've found for a one-way Chiang Mai International Airport to Colombo flight. A round-trip ticket right now is $660. Depending on when and how early you book, these fares may change.

  • Don't leave everything to the last moment. You're more likely to land cheap flights from CNX to Colombo if you book early. Airlines often have some amazing early bird deals.

  • The 'Whole month' tool will show you the cheapest tickets from Chiang Mai International Airport to Colombo across each month. It's an easy way to snap up a bargain if your dates aren't set in stone.

  • There's no need to check back constantly to see if fares have dropped when you create a Price Alert. We'll let you know when there's an updated deal for cheap flights from CNX to Colombo.

  • Choose your ideal arrival and departure times, number of stops and airlines with our filters. Then, sort the results for your flight from Chiang Mai International Airport to Colombo by 'Cheapest,' 'Best' or 'Fastest.'

Airports in Colombo

Colombo Ratmalana Airport (RML)

  • The distance from Colombo Ratmalana Airport (RML) to central Colombo is roughly 16 kilometres. It takes about 40 minutes to reach the centre driving.

  • If you're taking public transport, expect a journey time of around 1 hour 15 minutes.

  • The last thing you want is a lengthy journey to your hotel if you're arriving on a late flight from Chiang Mai International Airport to Colombo. Book one of these accommodation options near RML instead:

Bandaranaike International Airport (CMB)

  • Bandaranaike International Airport (CMB) is around 32 kilometres from the centre of Colombo. Once you've hopped off your flight from Chiang Mai International Airport to Colombo, it'll take you around 40 minutes to get to the heart of the city in a cab or ride-share.

  • If you're catching public transport, it'll take about 1 hour 30 minutes.

  • You'll find some great places to drop your things at near CMB. Unwind and get cosy after your CNX to Colombo flight at one of these perfectly located options:

  • Sr Rent A Car, Green Motion and Sixt make picking up a Bandaranaike International Airport rental car quick and easy. These companies are located in or around the terminal and will have you on the road before long.

  • Get exactly what you want. Reserving your ride from CMB two weeks in advance often means more savings and a bigger choice of vehicles.

Best time to go to Colombo

  • Carefully consider your dates before locking in your flight from Chiang Mai International Airport to Colombo. The city buzzes in high season, but hotel prices are generally higher and major attractions can get busy. Go to Colombo in low season if you prefer a quieter vibe.

  • When booking your Chiang Mai International Airport to Colombo flight ticket, think about the weather you're most comfortable in. March is the warmest month in Colombo, with temperatures ranging from 24ºC to 33ºC.

  • January sees average temperatures of between 22ºC and 32ºC. Search for a cheap ticket from CNX to Colombo around that time if you want to travel in cooler conditions.

More about Colombo

  • When it comes to searching for somewhere to rest your head, you'll find the best stays in Colombo right here. Browse these hotels after you've booked your flight from Chiang Mai International Airport to Colombo:

  • All great adventures should include some sightseeing. Independence Square & Independence Memorial Hall, Gangaramaya Temple and Viharamahadevi Park are must-do's during your Colombo adventure.

Explore more of Sri Lanka

  • You've seen Colombo, now it's time to explore other corners of Sri Lanka. Travel around 306 kilometres north to Jaffna to check off its must-visit sights. From Jaffna Fort to Dambakola Patuna Sangamitta Temple and Jaffna Public Library, you've got a jam-packed schedule ahead.

  • Trincomalee is another sought-after destination in Sri Lanka and is around 241 kilometres north-east of Colombo. No journey is complete without seeing Koneswaram Temple, Fort Frederick and Marble Beach.

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