Cheap flights from Colombo Bandaranaike Intl Airport to Bangkok from $180

If you aren’t able to travel during the month of March, then book flights to Bangkok from Colombo Bandaranaike Intl Airport during October instead. Flights to Bangkok in October, while not as cheap as those in March, still average around $275.

On average, the least expensive day to fly to Bangkok from Colombo Bandaranaike Intl Airport is on a Saturday. momondo users have found tickets for Saturday departures for as low as $445. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from Colombo Bandaranaike Intl Airport to Bangkok on a Wednesday will generally be more expensive and average around $496. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

According to our data, the cheapest time of day to fly to Bangkok is in the evening. momondo users have found flights departing from Colombo Bandaranaike Intl Airport to Bangkok in the evening for as low as $311. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Try not to purchase tickets in the morning because they tend to be around $449. Of course, these prices can vary depending on the time of year and what airport you fly to.

Fly from Colombo Bandaranaike Intl to Bangkok Don Mueang Intl for the best Colombo Bandaranaike Intl - Bangkok flight prices

You are more likely to see cheaper flights to Bangkok from Colombo Bandaranaike Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Bangkok for around $322 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Bangkok from Colombo Bandaranaike Intl Airport for as low as $289 on momondo.

There are 3 cabin classes available to choose from on Colombo Bandaranaike Intl Airport to Bangkok flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Vietnam Airlines, Singapore Airlines, and China Eastern are the most popular carriers operating from Colombo Bandaranaike Intl to Bangkok

Thai AirAsia, SriLankan Airlines and AirAsia are the top three most popular airlines that fly to Bangkok from Colombo Bandaranaike Intl Airport according to our data. Thai AirAsia is the first choice among our users, with 73% of people opting to fly with this airline when traveling to Bangkok. Keep in mind that there are 7 different airlines that fly to Bangkok on a routine basis, so you have a few additional options to choose from.

Historically, on average around 10% of flights between Colombo and Bangkok have experienced a delay on any given week. The average delay length over the past 12 months has been 110 minutes.

Generally, flights departing at night tend to experience fewer delays. Flights in the evening have, in the past, seen delays more frequently in comparison.

Thursday is statistically the day of the week which experiences the fewest number of delays on this flight route. Wednesday has historically seen more delays on average compared to the rest of the week.

According to our data, Thai Airways have had the least number of delays on this route over the last 12 months; with about 5% of their flights experiencing any sort of delay.

As of August 2026, 10 flights take off from Colombo Bandaranaike Intl Airport and land in Bangkok each day. The most common flight departure time for this route is 1:00AM, with 63% of daily flights taking off in the morning.

75 flights are operational weekly from Colombo Bandaranaike Intl Airport to Bangkok as of August 2026. The most popular departure day for this route is Tue, with 19% of flights per week taking off on this day.