Cheap flights from Bangkok Suvarnabhumi Airport to Colombo from $172

The cheapest month to fly to Colombo from Bangkok Suvarnabhumi Airport is in June. Flight prices, which tend to average around $394, are often lower during this time because this is during the off-season. If you aren’t able to travel to Colombo 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 $412.

Our data shows that Monday is the least expensive day to fly to Colombo. Tickets to fly out on this day can be as low as $477. Be sure to avoid booking your departure on a Wednesday as prices are generally higher than usual. According to our data, the average ticket price to Colombo on Wednesday is $654.

According to our data, the cheapest time of day to fly to Colombo is in the evening. momondo users have found flights departing from Bangkok Suvarnabhumi Airport to Colombo in the evening for as low as $376. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the afternoon is when there is more demand to fly to Colombo, so prices are often more expensive at around $656 per ticket.

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

You are more likely to see cheaper flights to Colombo from Bangkok Suvarnabhumi Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Colombo for around $479 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Colombo from Bangkok Suvarnabhumi Airport for as low as $391 on momondo.

There are 2 cabin classes available to choose from on Bangkok Suvarnabhumi to Colombo 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 Colombo have experienced a delay on any given week. The average delay length over the past 12 months has been 110 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 have had the fewest delays on this route over the last 12 months, with about 9% of their flights experiencing any sort of delay.

As of March 2026, 8 flights take off from Bangkok Suvarnabhumi Airport and land in Colombo each day. The most common flight departure time for this route is 09:00, with 49% of daily flights taking off at midday.

As of March 2026, 62 flights take off from Bangkok Suvarnabhumi Airport and land in Colombo each week. The most common flight departure day for this route is Wed, with 19% of weekly flights taking off on this day.