Cheap flights from London Heathrow Airport to Colombo from £304

In general, September is the cheapest month to fly from London Heathrow Airport to Colombo Bandaranaike Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £596. If you aren’t able to travel to Colombo Bandaranaike Intl Airport during the month of September, then flying in November is also cheap. Prices for this month can be found on momondo for an average of £608.

The cheapest day to depart from London Heathrow Airport to Colombo Bandaranaike Intl Airport is on a Monday when prices can be found for as low as £753. Flights from London Heathrow Airport to Colombo Bandaranaike Intl Airport on a Friday will generally be more expensive and average around £830. 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 Colombo Bandaranaike Intl Airport is in the afternoon. momondo users have found flights departing from London Heathrow Airport to Colombo Bandaranaike Intl Airport in the afternoon for as low as £675. 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 evening is when there is more demand to fly to Colombo Bandaranaike Intl Airport, so prices are often more expensive at around £791 per ticket.

Fly from London Heathrow to Colombo Bandaranaike Intl for the best London Heathrow - Colombo Bandaranaike Intl flight prices

You are more likely to see cheaper flights to Colombo Bandaranaike Intl Airport from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Colombo Bandaranaike Intl Airport for around £712 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Colombo Bandaranaike Intl Airport from London Heathrow Airport for as low as £639 on momondo.

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

You could potentially save up to 5% on your flight if you consider stops on a London Heathrow Airport to Colombo Bandaranaike Intl Airport flight.

As of June 2026, prices for London Heathrow Airport to Colombo Bandaranaike Intl Airport flights are approximately 2% more expensive when compared to flights at the same time last year.

Etihad Airways, Gulf Air, and Air India are the most popular carriers operating from London Heathrow to Colombo Bandaranaike Intl

SriLankan Airlines, Etihad Airways and Qatar Airways are the top three most popular airlines that fly to Colombo Bandaranaike Intl Airport from London Heathrow Airport according to our data. SriLankan Airlines is the first choice among our users, with 34% of people opting to fly with this airline when travelling to Colombo Bandaranaike Intl Airport. Keep in mind that there are 17 different airlines that fly to Colombo Bandaranaike Intl Airport on a routine basis, so you have a few additional options to choose from.

Historically, on average around 55% of flights between London and Colombo have experienced a delay on any given week. The average delay length over the past 12 months has been 101 minutes.

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

Saturday is statistically the day of the week that experiences the fewest delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

According to our data, SriLankan Airlines have had the fewest delays on this route over the last 12 months, with about 54% of their flights experiencing any sort of delay.

Doha (DOH) was the most common stop: 45% of momondo users choosing one-stop flights on this route connected there.

Flights via Riyadh (RUH) offer the lowest average return price of £391.

Flights connecting via Doha (DOH) have the shortest average one-way travel time: 13h 43m.

Abu Dhabi (AUH) has the shortest average stopover time for this route: 2h 28m.

The number of flights available between London Heathrow Airport and Colombo Bandaranaike Intl Airport is 2 per day as of June 2026. The most frequent departure time is 21:00, with 100% of daily flights leaving in the evening.

The number of flights available between London Heathrow Airport and Colombo Bandaranaike Intl Airport is 14 per week as of June 2026. The most frequent departure day is Mon, with 14% of weekly flights leaving on this day.