Cheap flights from Colombo Bandaranaike Intl Airport to London from $498

If you aren’t able to travel during the month of May, then book flights to London from Colombo Bandaranaike Intl Airport during October instead. Flights to London in October, while not as cheap as those in May, still average around $1,194.

Our data shows that Friday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as $1,273. When flying out on a Tuesday, the most expensive travel day of the week, you can expect to see flight prices from Colombo Bandaranaike Intl Airport to London for around $1,991.

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 $1,328 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 $1,089 on momondo.

There is only 1 cabin class 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.

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

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.

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

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