Cheap flights from Colombo Bandaranaike Intl Airport to London from £267

In general, October is the cheapest month to fly from Colombo Bandaranaike Intl Airport to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £610. The month of November is another great option to travel to London Heathrow Airport, with average flight prices from Colombo Bandaranaike Intl Airport averaging around £645.

On average, the least expensive day to fly to London Heathrow Airport from Colombo Bandaranaike Intl Airport is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as £866. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Friday is £1,005.

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the morning. momondo users have found flights departing from Colombo Bandaranaike Intl Airport to London Heathrow Airport in the morning for as low as £771. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying at midday when prices are £905 on average. Flights to London Heathrow Airport from Colombo Bandaranaike Intl Airport at midday are generally more expensive because this time of day is more convenient for travellers’ schedules.

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 £714 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 £570 on momondo.

There are 3 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.

You could potentially save up to 8% on your flight if you consider stops on a Colombo Bandaranaike Intl Airport to London Heathrow Airport flight.

As of February 2026, prices for Colombo Bandaranaike Intl Airport to London Heathrow Airport flights are approximately 2% more expensive when compared to flights at the same time last year.

Historically, on average around 12% 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 110 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights departing in the early afternoon 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 12% of their flights experiencing any sort of delay.

Doha (DOH) was the most common stop: 64% of momondo users choosing one-stop flights on this route connected there.

Flights via Mumbai (BOM) offer the lowest average return price of £587.

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

Dubai (DXB) has the shortest average stopover time for this route: 1h 20m.

2 flights are operational daily from Colombo Bandaranaike Intl Airport to London Heathrow Airport as of February 2026. The most popular departure time for this route is 12:00, with 77% of flights per day taking off in the afternoon.

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