Cheap flights from Colombo to London

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Flight deals from Colombo to London

Looking for a cheap last-minute deal or the best return flight from Colombo to London? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Colombo to London

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Colombo to London flights are currently cheapest in March.

Direct flights from Colombo to London

Alternative Colombo to London routes

Looking for the cheapest, fastest or easiest route from Colombo to London? You could fly into the following airports instead.

Colombo to London: Flight information

The things to know before you go.
Cheapest flight foundP36,086
Cheapest month to flyMarch
Average flight time11 hrs, 42 mins
Most popular airlineAir Canada
Average flights per week15

Finding cheap flights from Colombo to London: Frequently asked questions

There are 6 airports in London: London City, London Heathrow, London Gatwick, London Luton, London Stansted, and London Southend.
The best price we found for a return flight from Colombo to London is P36,086. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
11 hours and 42 minutes is the average flight time from Colombo to London.
Air Canada and SriLankan Airlines fly direct from Colombo to London.
As of February 2025, there are 15 flights per week flying from Colombo to London.
The cheapest month to fly from Colombo to London is usually February 2025.
If you're flying from Colombo, the cheapest airport near London is London Stansted – which is 48.6 km away from the centre of London. We've found flights into this airport from P36,086.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Colombo to London on Sunday, 9 March 2025.
Yes – the average flight time is 11 hours and 42 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to London but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to London is around 40 days in advance, so don’t leave your flight to the last minute.
In February, the average temperature is usually around 4°C. August is typically the warmest month in London, when it usually averages around 22°C. You can expect the least rain in March. The coldest month is January, with temperatures averaging 1°C. The rainiest month is October.
The cheapest airline that flies to London is SalamAir. And the cheapest airline that flies to London Heathrow Airport is SriLankan Airlines.

Travelling from Colombo to London: what you need to know

  • Planning your holiday starts with working out where you'll fly out of in Colombo. Bandaranaike International Airport (CMB) is the city's main airport, so explore your options for booking a flight from Colombo to London jetting off from here.

  • London has a number of airports you can fly into. Land at London Heathrow Airport (LHR), London Gatwick Airport (LGW) or Stansted Airport (STN). Alternatively, arrive at London Luton Airport (LTN) or London City Airport (LCY).

  • A direct flight from Colombo to London takes an average of 11 hours 28 minutes. The timezone in London is UTC+0, which is 5 hours 30 minutes behind Colombo.

  • Bandaranaike International Airport (CMB) to London Heathrow Airport (LHR) is the most popular route that connects these two cities. There are 12 flights a week to choose from. If you prefer a later start to the day, the last flight from Colombo to London is with SriLankan Airlines at 13:05. Opt for the first CMB to LHR departure operated by SriLankan Airlines at 02:20 if you're more of an early bird.

  • For a smooth journey, arrive at the airport two hours ahead of international flights and one hour before domestic departures. This will give you plenty of time to catch your flight from Colombo to London.

  • Travelling during a peak month like August? School holidays and other popular periods can lead to longer lines at check-in and security. Play things extra safe and get there up to four hours ahead of an international flight and two hours before a domestic departure.

  • If you hold a passport from Sri Lanka, you'll need an embassy visa to enter United Kingdom. This applies when booking a cheap flight from Colombo to London for tourism purposes. Requirements may be different if you're travelling for business or other reasons. Always check official visa guidelines before you make travel plans and certainly before flying.

Flying from Colombo

Bandaranaike International Airport (CMB)

  • If you're after a direct flight from Colombo to London, you can board one at Bandaranaike International Airport (CMB). Get from CMB to London Heathrow Airport (LHR) without making any stops.

  • You can get away on a direct flight from Colombo to London with SriLankan Airlines. This top airline operates services from CMB.

  • Stopovers are the ideal opportunity to take a travel break — and maybe even visit a new city. When browsing flights from Colombo to London departing from Bandaranaike International Airport, uncheck the 'Direct flights only' box to see where you can stop along the way. Here are some options to consider:

    • Dubai Airport (DXB)

    • Abu Dhabi International Airport (AUH)

    • Charles de Gaulle Airport (CDG)

  • Located around 32 kilometres from the centre of Colombo, CMB can be reached in about 39 minutes by car (depending on traffic). The same journey on public transport is roughly 1 hour and 31 minutes.

  • Want a hassle-free start to your travels? Stay near Bandaranaike International Airport. Whether you have an early flight from Colombo to London or want to avoid feeling rushed, these hotels are the answer:

Arriving in London

London Heathrow Airport (LHR)

  • London Heathrow Airport (LHR) is around 31 kilometres from central London. With your own car rental or if you take a cab, the drive is around 57 minutes.

  • If you're travelling by public transport, expect a journey of around 1 hour and 1 minute.

  • If you're arriving on a late flight from Colombo to London, few things beat the convenience of staying close to the terminal. Collect your bags from the carousel and then be showered and relaxing not long after at one of these accommodation options near LHR:

London Gatwick Airport (LGW)

  • Central London is about 80 kilometres from London Gatwick Airport (LGW). After your flight from Colombo to London has hit the runway and you've made your way out of the airport, expect a drive of about 1 hour and 19 minutes.

  • If you're catching public transport, it'll take about 1 hour and 26 minutes.

  • After your flight from Colombo to London, kick back at a hotel close to LGW. These are some comfortable options that'll help you get into relaxation mode:

How to find the cheapest flights from Colombo to London

  • The lowest price we've found for a one-way ticket from Colombo to London is P16,639. For a return flight on this route, the best price is P36,086. Depending on when and how early you book, these fares can change.

  • Get cheap tickets from Colombo to London by booking at least 2 months ahead. According to our research, that's the sweet spot for landing a bargain.

  • October is the cheapest month for tickets from Colombo to London. If you want to travel at a different time of year, the 'Whole month' tool will show you the lowest prices for each month.

  • Create a Price Alert for cheap tickets from Colombo to London. You don't need to check back in every day to find out if prices have dropped. We'll tell you when there's a change in price.

  • Tailor your travel plans using filters. Choose your ideal arrival and departure times, total journey duration and airlines. You can also sort results by 'Cheapest,' 'Fastest' or 'Best' flights from Colombo to London.

Best time to go to London

  • February is the quietest month for flights from Colombo to London, while July is the most popular. Work out the ideal time to go to London based on whether you like a bustling atmosphere or a more laid-back vibe.

  • Lock in your flight from Colombo to London for July if you'd like to experience the city during its warmest month. Expect temperatures in London to range from 11ºC to 26ºC.

  • If you like travelling in cooler conditions, search for a cheap ticket from Colombo to London in January when temperatures average between 0ºC and 9ºC.

More about London

Complete your London trip with a car rental

  • Discover our range of car rentals once you've booked your hotel and cheap flight from Colombo to London. Whether you're looking for a compact ride, an SUV or something with all the extras, you can compare companies in one go to find the best deal.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.