SriLankan Airlines flights from Colombo Bandaranaike Intl Airport to London Heathrow Airport (CMB - LHR)
Cheapflights users flying from Colombo to London on SriLankan Airlines typically fly into London Heathrow and depart from Colombo Bandaranaike Intl. Select your dates above for pricing.
SriLankan Airlines flights from Colombo to Heathrow in 2025
Find detailed information about SriLankan Airlines flights from Colombo to Heathrow. Explore the options provided by SriLankan Airlines to plan your journey from Colombo to Heathrow. Data last updated 2 July 2025.
Find SriLankan Airlines flight deals from Colombo to Heathrow
Cheapest SriLankan Airlines flights from Colombo to HeathrowExplore the most affordable SriLankan Airlines flight options available from Colombo to Heathrow. Find the lowest fares with prices last updated on 2 July 2025.
Explore the most affordable SriLankan Airlines flight options available from Colombo to Heathrow. Find the lowest fares with prices last updated on 2 July 2025.
Travel insights for SriLankan Airlines flights from Colombo to Heathrow
Get recent, data-driven insights about SriLankan Airlines flights from Colombo to Heathrow including ideal travel times, pricing trends, and more.
How far ahead should I book a flight from Colombo Bandaranaike Intl Airport to London Heathrow Airport with SriLankan Airlines?
Use this chart to determine the optimal time to book a return flight from Colombo to Heathrow. Price data was last updated on 27 June 2025.
Booking with SriLankan Airlines 61 days in advance of your planned departure date is, on average, the best time to get cheap flights from Colombo Bandaranaike Intl Airport to London Heathrow Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Colombo Bandaranaike Intl Airport to London Heathrow Airport with SriLankan Airlines?
Currently, the most affordable month to book a SriLankan Airlines flight from Colombo Bandaranaike Intl Airport to London Heathrow Airport in October, with an average price of £640. Conversely, traveling with SriLankan Airlines from Colombo Bandaranaike Intl Airport to London Heathrow Airport in January will be the most expensive, with an average cost of £891. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.
Weekly SriLankan Airlines flight availability from Colombo Bandaranaike Intl Airport to London Heathrow Airport
The most SriLankan Airlines flights from CMB to LHR are scheduled on a Monday (1 on average). You will have fewer SriLankan Airlines flight options on Monday, which is when the least amount of flights are scheduled (1 on average).
Rainfall in Heathrow by month
Plan your trip to Heathrow by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.
Temperature in Heathrow by month
Plan your trip to Heathrow by taking into account the average temperature totals by month.
If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).
Best time to book a flight from Colombo to Heathrow
Have a flexible travel schedule? Discover the best time to fly to Heathrow from Colombo with our price prediction graph.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Other SriLankan Airlines flights from Colombo
Browse through other SriLankan Airlines flights departing from Colombo. Flight routes are based on user searches made on Cheapflights and were last updated on 2 July 2025.
See what others are saying about SriLankan Airlines
Read reviews and see what other travellers are saying about their experiences with SriLankan Airlines. Get insights from real passengers regarding the airline's services, customer satisfaction, and overall travel experience. Use these reviews to inform your decision when choosing SriLankan Airlines for your next flight. Reviews last updated 2 July 2025.
Overview
Entertainment
Crew
Boarding
Comfort
Food