Cheap flights from Colombo Bandaranaike Intl Airport to London from $521

The month of May is, on average, the cheapest month to fly to London Heathrow Airport from Colombo Bandaranaike Intl Airport, with most prices found around $1,184. If you aren’t able to travel during the month of May, then book flights to London Heathrow Airport from Colombo Bandaranaike Intl Airport during October instead. Flights to London Heathrow Airport in October, while not as cheap as those in May, still average around $1,221.

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 $1,348 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 Bandaranaike Intl Airport for as low as $1,104 on momondo.

There is only 1 cabin class available to choose from on Colombo Bandaranaike Intl Airport 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.

You could potentially save up to 13% on your flight if you consider stops on a Colombo Bandaranaike Intl Airport to London Heathrow Airport flight.

As of August 2026, prices for Colombo Bandaranaike Intl Airport to London Heathrow Airport flights are approximately 15% cheaper when compared to flights at the same time last year.

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 109 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. 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 15% of their flights experiencing any sort of delay.

Doha (DOH) was the most common stop: 68% of momondo users choosing one-stop flights on this route connected there.

Flights via Doha (DOH) offer the lowest average return price of $1,509.

Flights connecting via Abu Dhabi (AUH) have the shortest average one-way travel time: 13h 23m.

Doha (DOH) has the shortest average stopover time for this route: 2h 00m.

As of August 2026, there are 2 flights per day flying from Colombo Bandaranaike Intl Airport 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 Bandaranaike Intl Airport and London Heathrow Airport is 14 per week as of August 2026. The most frequent departure day is Mon, with 14% of weekly flights leaving on this day.