Cheap flights from Colombo Bandaranaike Intl Airport to London from £259

The cheapest month to fly to London from Colombo Bandaranaike Intl Airport is in May. Flight prices, which tend to average around £597, are often lower during this time because this is during the off-season. The month of October is another great option to travel to London, with average flight prices from Colombo Bandaranaike Intl Airport averaging around £619.

Our data shows that Thursday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £867. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Colombo Bandaranaike Intl Airport to London for around £1,071.

The cheapest time of day to fly to London is in the morning when flights can be purchased for as low as £737. Flights at midday are often more expensive, with an average ticket price of £970.

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

You are more likely to see cheaper flights to London from Colombo Bandaranaike Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around £692 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Colombo Bandaranaike Intl Airport for as low as £567 on momondo.

There are 2 cabin classes available to choose from on Colombo Bandaranaike Intl Airport to London flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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

SriLankan Airlines, Etihad Airways and Qatar Airways are the top three most popular airlines that fly to London from Colombo Bandaranaike Intl Airport according to our data. SriLankan Airlines is the first choice among our users, with 33% of people opting to fly with this airline when travelling to London. Keep in mind that there are 7 different airlines that fly to London on a routine basis, so you have a few additional options to choose from.

Historically, on average around 15% of flights between Colombo and London have experienced a delay on any given week. The average delay length over the past 12 months has been 103 minutes.

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

Tuesday 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 14% of their flights experiencing any sort of delay.

Doha (DOH) was the most common stop: 48% of momondo users choosing one-stop flights on this route connected there.

Flights via Mumbai (BOM) offer the lowest average return price of £670.

Flights connecting via Dubai (DXB) have the shortest average one-way travel time: 13h 35m.

Dubai (DXB) has the shortest average stopover time for this route: 1h 45m.

2 flights are operational daily from Colombo Bandaranaike Intl Airport to London as of August 2026. The most popular departure time for this route is 13:00, with 100% of flights per day taking off in the afternoon.

As of August 2026, there are 14 flights per week flying from Colombo Bandaranaike Intl Airport to London. The most common day of the week flights depart is Mon, with 14% of flights taking off on this day.