Cheap flights from Bangkok Suvarnabhumi Airport to Sri Lanka from C$ 250

The month of June is, on average, the cheapest month to fly to Sri Lanka from Bangkok Suvarnabhumi Airport, with most prices found around C$ 384. If you aren’t able to travel to Sri Lanka during the month of June, then flying in November is also cheap. Prices for this month can be found on momondo for an average of C$ 393.

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$ 519. The most expensive day to fly to Sri Lanka is Tuesday, with ticket prices averaging around C$ 598.

Our data shows that the cheapest Bangkok Suvarnabhumi Airport to Sri Lanka flights are usually those with departure times in the evening. Our users have found flights to Sri Lanka in the evening for as low as C$ 408. Try not to purchase tickets in the afternoon because they tend to be around C$ 619. 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$ 462 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$ 396 on momondo.

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

Historically, on average around 14% 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 109 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.

Thursday 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 8% of their flights experiencing any sort of delay.

7 flights are operational daily from Bangkok Suvarnabhumi Airport to Sri Lanka as of April 2026. The most popular departure time for this route is 9:00p.m., with 36% of flights per day taking off in the afternoon.

The number of flights available between Bangkok Suvarnabhumi Airport and Sri Lanka is 55 per week as of April 2026. The most frequent departure day is Tue, with 16% of weekly flights leaving on this day.