Cheap flights from Colombo Bandaranaike Intl Airport to London from $389

The month of October is, on average, the cheapest month to fly to London Heathrow Airport from Colombo Bandaranaike Intl Airport, with most prices found around $840. If you’re not able to fly to London Heathrow Airport in October, then November is your next best option. Flight prices from Colombo Bandaranaike Intl Airport to London Heathrow Airport during November average around $881.

Our data shows that Wednesday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $1,076. The most expensive day to fly to London Heathrow Airport is Monday, with ticket prices averaging around $1,478.

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the evening. momondo users have found flights departing from Colombo Bandaranaike Intl Airport to London Heathrow Airport in the evening for as low as $1,122. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights at noon are often more expensive with an average ticket price of $1,325.

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

You are more likely to see cheaper flights to London Heathrow Airport from Colombo Bandaranaike Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around $977 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Colombo Bandaranaike Intl Airport for as low as $814 on momondo.

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

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

Etihad Airways, Qatar Airways and Air India are the top three most popular airlines that fly to London Heathrow Airport from Colombo Bandaranaike Intl Airport according to our data. Etihad Airways is the first choice among our users, with 39% of people opting to fly with this airline when traveling to London Heathrow Airport. Keep in mind that there are 6 different airlines that fly to London Heathrow Airport 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 113 minutes.

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

Tuesday is statistically the day of the week which experiences the fewest number of 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 least number of delays on this route over the last 12 months; with about 15% of their flights experiencing any sort of delay.

Abu Dhabi (AUH) was the most common stop: 46% of momondo users choosing 1-stop flights on this route connected there.

Flights via Shanghai (PVG) offer the lowest average round-trip price of $868.

Flights connecting via Dubai (DXB) have the shortest average one-way travel time: 13h 05m.

Abu Dhabi (AUH) has the shortest average layover time for this route: 1h 40m.

As of April 2026, 2 flights take off from Colombo Bandaranaike Intl Airport and land in London Heathrow Airport each day. The most common flight departure time for this route is 12:00PM, with 66% of daily flights taking off in the afternoon.

14 flights are operational weekly from Colombo Bandaranaike Intl Airport to London Heathrow Airport as of April 2026. The most popular departure day for this route is Mon, with 14% of flights per week taking off on this day.