Cheap flights from Sri Lanka to the United Kingdom from £237

The cheapest month to fly to United Kingdom from Sri Lanka is in May. Flight prices, which tend to average around £619, 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 May, then departing from Sri Lanka during the month April is also very affordable. Most momondo users find prices during this month for around £641.

The cheapest day to depart from Sri Lanka to United Kingdom is on a Thursday. Travellers who choose to depart for United Kingdom on a Thursday will often find tickets for as low as £885. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Sri Lanka to United Kingdom for around £986.

The cheapest time of day to fly to United Kingdom is in the morning when flights can be purchased for as low as £774. Try not to purchase tickets at midday because they tend to be around £968. 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 Sri Lanka - United Kingdom flight prices

You are more likely to see cheaper flights to United Kingdom from Sri Lanka 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 Sri Lanka for as low as £585 on momondo.

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

Air India, Etihad Airways, and Gulf Air are the most popular carriers operating from Sri Lanka to United Kingdom

Qatar Airways, Etihad Airways and SriLankan Airlines are the top three most popular airlines that fly to United Kingdom from Sri Lanka according to our data. Qatar Airways 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 15% of flights between Sri Lanka and United Kingdom have experienced a delay on any given week. The average delay length over the past 12 months has been 101 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 15% of their flights experiencing any sort of delay.

As of September 2026, there are 2 flights per day flying from Sri Lanka to United Kingdom. The most common time of day flights depart is 13:00, with 100% of flights taking off in the afternoon.

As of September 2026, there are 14 flights per week flying from Sri Lanka to United Kingdom. The most common day of the week flights depart is Mon, with 14% of flights taking off on this day.