Cheap flights from the United Kingdom to Sri Lanka from £303

The month of September is, on average, the cheapest month to fly to Sri Lanka from United Kingdom, with most prices found around £601. If you aren’t able to travel to Sri Lanka during the month of September, then flying in May is also cheap. Prices for this month can be found on momondo for an average of £614.

Our data shows that Monday is the least expensive day to fly to Sri Lanka. Tickets to fly out on this day can be as low as £751. 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 Sri Lanka on Friday is £843.

Our most recent data shows that the best time of day to fly to Sri Lanka is in the morning. Flights from United Kingdom to Sri Lanka during this time can be as low as £773. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are £1,164 on average. Flights to Sri Lanka from United Kingdom in the afternoon are generally more expensive because this time of day is more convenient for travellers’ schedules.

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

You are more likely to see cheaper flights to Sri Lanka from United Kingdom when booking weeks ahead of your departure date. In general, you can expect to find flights to Sri Lanka for around £718 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sri Lanka from United Kingdom for as low as £641 on momondo.

There are 3 cabin classes available to choose from on United Kingdom to Sri Lanka flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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

Etihad Airways, Qatar Airways and SriLankan Airlines are the top three most popular airlines that fly to Sri Lanka from United Kingdom according to our data. Etihad Airways is the first choice among our users, with 31% of people opting to fly with this airline when travelling to Sri Lanka. Keep in mind that there are 17 different airlines that fly to Sri Lanka on a routine basis, so you have a few additional options to choose from.

Historically, on average around 55% of flights between United Kingdom and Sri Lanka have experienced a delay on any given week. The average delay length over the past 12 months has been 101 minutes.

Generally, flights departing at night tend to experience fewer delays. Flights departing in the morning have, in the past, seen delays more frequently in comparison.

Saturday 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 54% of their flights experiencing any sort of delay.

As of June 2026, 2 flights take off from United Kingdom and land in Sri Lanka each day. The most common flight departure time for this route is 21:00, with 100% of daily flights taking off in the evening.

14 flights are operational weekly from United Kingdom to Sri Lanka as of June 2026. The most popular departure day for this route is Mon, with 14% of flights per week taking off on this day.