Cheap flights from Bangkok to Colombo from $189

The month of February is, on average, the cheapest month to fly to Colombo from Bangkok, with most prices found around $131. If you are unable to visit Colombo during the month of February, then departing from Bangkok during the month January is also very affordable. Most momondo users find prices during this month for around $138.

The cheapest day to depart from Bangkok to Colombo is on a Wednesday. Travelers who choose to depart for Colombo on a Wednesday will often find tickets for as low as $350. The most expensive day to fly to Colombo is Friday, with ticket prices averaging around $431.

Our most recent data shows that the best time of day to fly to Colombo is in the evening. Flights from Bangkok to Colombo during this time can be as low as $306. Flights to Colombo are more costly in the morning, with an average ticket price of $433. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

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

You are more likely to see cheaper flights to Colombo from Bangkok when booking weeks ahead of your departure date. In general, you can expect to find flights to Colombo for around $342 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Colombo from Bangkok for as low as $292 on momondo.

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

Thai Airways, Malaysia Airlines, and China Eastern are the most popular carriers operating from Bangkok to Colombo

Thai AirAsia, SriLankan Airlines and Thai Airways are the top three most popular airlines that fly to Colombo from Bangkok according to our data. Thai AirAsia is the first choice among our users, with 51% of people opting to fly with this airline when traveling to Colombo. Keep in mind that there are 3 different airlines that fly to Colombo on a routine basis, so you have a few additional options to choose from.

Historically, on average around 17% of flights between Bangkok and Colombo have experienced a delay on any given week. The average delay length over the past 12 months has been 106 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights in the early afternoon 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. Saturday 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 7% of their flights experiencing any sort of delay.

9 flights are operational daily from Bangkok to Colombo as of May 2026. The most popular departure time for this route is 1:00PM, with 57% of flights per day taking off in the evening.

As of May 2026, there are 67 flights per week flying from Bangkok to Colombo. The most common day of the week flights depart is Mon, with 21% of flights taking off on this day.