$199 Cheap Flights from Bangkok (DMK) to Colombo (CMB)

Popular airlines from Don Mueang Intl. Airport (DMK) to Bandaranaike Intl. Airport (CMB)

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Cheap Flights from Bangkok to Colombo (DMK-CMB)

Prices were available within the past 7 days and start at $199 for one-way flights and $472 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

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Flights from Bangkok (DMK) to Colombo (CMB)
Origin airport
Don Mueang Intl.
Destination airport
Bandaranaike Intl.
Roundtrip price
$472
Distance
1481 mi
Average flight time
3 hours 25 mins

Bangkok to Colombo Flights

The cheapest times to fly from Bangkok to Colombo

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Bangkok to Colombo are during the month of December. You can find some of the cheapest flights from Bangkok to Colombo with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Bangkok to Colombo

Sunday is one of the best days to book for cheap flights from Bangkok to Colombo: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Bangkok to Colombo

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Bangkok to Colombo in 2025. You can also book with separate airlines for your outbound and return journeys, from $199 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Bangkok to Colombo flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Bangkok to Colombo airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Don Mueang Intl. Airport (DMK) to Bandaranaike Intl. Airport (CMB) cost?
Cheap round-trip fares from Don Mueang Intl. Airport (DMK) to Bandaranaike Intl. Airport (CMB) start from $295. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Thai AirAsia flight leaving DMK on July 25 2025 and touching down at CMB. The price was last updated on July 23 2025 and has not changed since.
What is the cheapest month to fly from DMK to CMB?
The cheapest flights from DMK to CMB are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Don Mueang Intl. Airport (DMK) to Bandaranaike Intl. Airport (CMB)?
Fly nonstop from Don Mueang Intl. Airport (DMK) to Bandaranaike Intl. Airport (CMB) on a Thai AirAsia flight.
What is the cheapest airline that flies from DMK to CMB?
Right now, the cheapest airline offering one-way flights from DMK to CMB is Thai AirAsia. You can jet off on this route from $132. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from DMK on September 14 2025. Prices were last updated on July 23 2025 and have not changed since.
How many flights per day from Don Mueang Intl. Airport (DMK) to Bandaranaike Intl. Airport (CMB)?
On average, Don Mueang Intl. Airport (DMK) only has 1 nonstop flight to Bandaranaike Intl. Airport (CMB) every day. To explore more options, try our easy-to-use filter tool. Simply enter your dates of travel, then click on "1 Stop" or "2+ Stops" to discover flights with layovers.
What are the most popular departure times for flights from Don Mueang Intl. Airport (DMK) to Bandaranaike Intl. Airport (CMB)?
The 8 PM departures from DMK to CMB are the busiest. Prices can be higher for these popular slots. If you're hoping to save money, book during off-peak hours.
What day of the week has the most flights from DMK to CMB?
If you depart on a Saturday, you'll get the widest range of options for flights from Don Mueang Intl. Airport (DMK) to Bandaranaike Intl. Airport (CMB).
What is the earliest flight from Don Mueang Intl. Airport (DMK) to Bandaranaike Intl. Airport (CMB)?
Don Mueang Intl. Airport (DMK)'s earliest flight to Bandaranaike Intl. Airport (CMB) departs at approximately 8:05PM UTC+7. With a total journey time of 3h 25m, you'll arrive at around 10:00PM UTC+5.
How long does it take to fly from Don Mueang Intl. Airport (DMK) to Bandaranaike Intl. Airport (CMB)?
Flights from DMK to CMB have an average travel time of 3 hours and 25 minutes. The total distance between the two is 1,500 mi.
What airline has the least delays from DMK to CMB?
Consider booking with Thai AirAsia if you'd like to fly straight from Don Mueang Intl. Airport (DMK) to Bandaranaike Intl. Airport (CMB) without any interruptions. This carrier has the strongest track record for punctuality, with an on-time score of 83%. Want to get notified of any changes? You can check your flight status using the Expedia App.
What is the best time to fly from Don Mueang Intl. Airport (DMK) to Bandaranaike Intl. Airport (CMB)?
To land at Bandaranaike Intl. Airport (CMB) without delays, pick a flight that leaves from Don Mueang Intl. Airport (DMK) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Colombo from Don Mueang Intl. Airport (DMK)?
Bandaranaike Intl. Airport (CMB) is the only airport in Colombo with direct flights from Don Mueang Intl. Airport (DMK). Check out your options and discover cheap fares on Expedia.
Is it cheaper to buy a plane ticket from Don Mueang Intl. Airport (DMK) to Bandaranaike Intl. Airport (CMB) last-minute?
Last-minute bookings from DMK to CMB are generally more expensive. To lock in the lowest rates, start searching for flights well in advance. That being said, if you can play around with your travel dates, you may find a cheap fare right before your trip.
Is it cheaper to book a DMK to CMB flight and hotel package?
Compared with arranging hotels and flights separately, booking a DMK to CMB flight and hotel package with Expedia could lead to significant savings. Better still, having everything in one place takes the hassle out of planning your trip. Just pick your flights and select from our wide range of hotels, then customize your trip with extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from Don Mueang Intl. Airport (DMK) to Bandaranaike Intl. Airport (CMB)?
If you booked your DMK to CMB flight in the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the fare type you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for further details.

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