Cheap flights from Bangkok Suvarnabhumi Airport to Sri Lanka from C$ 259

The month of January is, on average, the cheapest month to fly to Sri Lanka from Bangkok Suvarnabhumi Airport, with most prices found around C$ 458. If you aren’t able to travel to Sri Lanka during the month of January, then flying in March is also cheap. Prices for this month can be found on momondo for an average of C$ 471.

The cheapest day to depart from Bangkok Suvarnabhumi Airport to Sri Lanka is on a Thursday when prices can be found for as low as C$ 259. The most expensive day to fly to Sri Lanka is Tuesday, with ticket prices averaging around C$ 616.

Our data shows that the cheapest Bangkok Suvarnabhumi Airport to Sri Lanka flights are usually those with departure times at noon. Our users have found flights to Sri Lanka at noon for as low as C$ 527. Try not to purchase tickets in the afternoon because they tend to be around C$ 637. Of course, these prices can vary depending on the time of year and what airport you fly to.

Fly from Bangkok Suvarnabhumi to Colombo Bandaranaike Intl for the best Bangkok Suvarnabhumi - Sri Lanka flight prices

You are more likely to see cheaper flights to Sri Lanka from Bangkok Suvarnabhumi Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Sri Lanka for around C$ 540 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sri Lanka from Bangkok Suvarnabhumi Airport for as low as C$ 433 on momondo.

There is only 1 cabin class available to choose from on Bangkok Suvarnabhumi Airport to Sri Lanka flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Vietnam Airlines and VietJet Air are the most popular carriers operating from Bangkok Suvarnabhumi to Sri Lanka

SriLankan Airlines, Thai AirAsia and Thai Airways are the top three most popular airlines that fly to Sri Lanka from Bangkok Suvarnabhumi Airport according to our data. SriLankan Airlines is the first choice among our users, with 46% of people opting to fly with this airline when travelling to Sri Lanka. Keep in mind that there are 3 different airlines that fly to Sri Lanka on a routine basis, so you have a few additional options to choose from.

Historically, on average around 11% of flights between Bangkok and Sri Lanka have experienced a delay on any given week. The average delay length over the past 12 months has been 116 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights departing in the early afternoon have, in the past, seen delays more frequently in comparison.

Sunday is statistically the day of the week that experiences the fewest 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 has had the least delays on this route over the last 12 months, with about 6% of their flights experiencing any sort of delay.

7 flights are operational daily from Bangkok Suvarnabhumi Airport to Sri Lanka as of October 2026. The most popular departure time for this route is 7:00a.m., with 48% of flights per day taking off at noon.

The number of flights available between Bangkok Suvarnabhumi Airport and Sri Lanka is 55 per week as of October 2026. The most frequent departure day is Tue, with 25% of weekly flights leaving on this day.