Cheap flights from London to Colombo from £309

In general, September is the cheapest month to fly from London 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 to Colombo Bandaranaike Intl Airport is on a Monday when prices can be found for as low as £731. Flights from London to Colombo Bandaranaike Intl Airport on a Friday will generally be more expensive and average around £838. 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 to Colombo Bandaranaike Intl Airport in the afternoon for as low as £733. 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 £778 per ticket.

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

You are more likely to see cheaper flights to Colombo Bandaranaike Intl Airport from London when booking weeks ahead of your departure date. In general, you can expect to find flights to Colombo Bandaranaike Intl Airport for around £721 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 for as low as £647 on momondo.

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

As of May 2026, prices for London to Colombo Bandaranaike Intl Airport flights are approximately 9% more expensive when compared to flights at the same time last year.

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

SriLankan Airlines, Qatar Airways and Etihad Airways are the top three most popular airlines that fly to Colombo Bandaranaike Intl Airport from London 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 56% 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 99 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. Sunday 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 56% of their flights experiencing any sort of delay.

Doha (DOH) was the most common stop: 43% of momondo users choosing one-stop flights on this route connected there.

Flights via Riyadh (RUH) offer the lowest average return price of £367.

Flights connecting via Amman (AMM) have the shortest average one-way travel time: 9h 20m.

Abu Dhabi (AUH) has the shortest average stopover time for this route: 1h 20m.

As of May 2026, 2 flights take off from London and land in Colombo Bandaranaike Intl Airport each day. The most common flight departure time for this route is 21:00, with 100% of daily flights taking off in the evening.

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