Cheap flights from Colombo to London from $506

The month of June is, on average, the cheapest month to fly to London Heathrow Airport from Colombo, with most prices found around $513. If you aren’t able to travel during the month of June, then book flights to London Heathrow Airport from Colombo during November instead. Flights to London Heathrow Airport in November, while not as cheap as those in June, still average around $518.

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

You are more likely to see cheaper flights to London Heathrow Airport from Colombo when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around $1,362 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Colombo for as low as $1,079 on momondo.

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

Etihad Airways is the most popular carrier operating from Colombo to London Heathrow

Etihad Airways, Qatar Airways and British Airways are the top three most popular airlines that fly to London Heathrow Airport from Colombo according to our data. Etihad Airways is the first choice among our users, with 46% of people opting to fly with this airline when travelling to London Heathrow Airport. Keep in mind that there are 4 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 16% 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 early afternoon tend to experience fewer delays. Flights departing at night 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. 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 15% of their flights experiencing any sort of delay.

As of June 2026, there are 2 flights per day flying from Colombo to London Heathrow Airport. The most common time of day flights depart is 13:00, with 100% of flights taking off in the afternoon.

The number of flights available between Colombo and London Heathrow 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.