Cheap flights from Colombo Bandaranaike Intl Airport to the United Kingdom from £239

The cheapest month to fly to United Kingdom from Colombo Bandaranaike Intl Airport is in June. Flight prices, which tend to average around £254, are often lower during this time because this is during the off-season. If you are unable to visit United Kingdom during the month of June, then departing from Colombo Bandaranaike Intl Airport during the month November is also very affordable. Most momondo users find prices during this month for around £269.

The cheapest day to depart from Colombo Bandaranaike Intl Airport to United Kingdom is on a Wednesday. Travellers who choose to depart for United Kingdom on a Wednesday will often find tickets for as low as £892. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Colombo Bandaranaike Intl Airport to United Kingdom for around £1,024.

The cheapest time of day to fly to United Kingdom is in the morning when flights can be purchased for as low as £775. Try not to purchase tickets at midday because they tend to be around £932. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

You are more likely to see cheaper flights to United Kingdom from Colombo Bandaranaike Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to United Kingdom for around £713 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to United Kingdom from Colombo Bandaranaike Intl Airport for as low as £560 on momondo.

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

IndiGo, Qatar Airways, and Gulf Air are the most popular carriers operating from Colombo Bandaranaike Intl to United Kingdom

SriLankan Airlines, Qatar Airways and Etihad Airways are the top three most popular airlines that fly to United Kingdom from Colombo Bandaranaike Intl Airport according to our data. SriLankan Airlines is the first choice among our users, with 34% of people opting to fly with this airline when travelling to United Kingdom. Keep in mind that there are 7 different airlines that fly to United Kingdom on a routine basis, so you have a few additional options to choose from.

Historically, on average around 17% of flights between Colombo and United Kingdom 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 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. 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 16% of their flights experiencing any sort of delay.

The number of flights available between Colombo Bandaranaike Intl Airport and United Kingdom is 2 per day as of May 2026. The most frequent departure time is 13:00, with 100% of daily flights leaving in the afternoon.

As of May 2026, 14 flights take off from Colombo Bandaranaike Intl Airport and land in United Kingdom each week. The most common flight departure day for this route is Mon, with 14% of weekly flights taking off on this day.