Cheap Flights from Colombo (CMB) to London (LHR)

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Compare Colombo Bandaranayake to London Heathrow flight deals

Find the cheapest month or even day of the year to fly to London Heathrow

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Flight deals from Colombo Bandaranayake to London Heathrow

Looking for a cheap last-minute deal or the best return flight from Colombo Bandaranayake Airport to London Heathrow Airport? If you want to travel next month, return fares start from $567. Find the lowest prices on one-way and return tickets right here.

London.$567 per passenger.Departing Wed, 9 Sep, returning Tue, 29 Sep.Return flight with FitsAir and Etihad Airways.Outbound indirect flight with FitsAir, departs from Colombo Bandaranayake on Wed, 9 Sep, arriving in London Heathrow.Inbound indirect flight with Etihad Airways, departs from London Heathrow on Tue, 29 Sep, arriving in Colombo Bandaranayake.Price includes taxes and charges.From $567, select.

London.$916 per passenger.Departing Sun, 4 Oct, returning Fri, 30 Oct.Return flight with Gulf Air.Outbound indirect flight with Gulf Air, departs from Colombo Bandaranayake on Sun, 4 Oct, arriving in London Heathrow.Inbound indirect flight with Gulf Air, departs from London Heathrow on Fri, 30 Oct, arriving in Colombo Bandaranayake.Price includes taxes and charges.From $916, select.

London.$919 per passenger.Departing Wed, 14 Oct, returning Wed, 11 Nov.Return flight with Gulf Air.Outbound indirect flight with Gulf Air, departs from Colombo Bandaranayake on Wed, 14 Oct, arriving in London Heathrow.Inbound indirect flight with Gulf Air, departs from London Heathrow on Wed, 11 Nov, arriving in Colombo Bandaranayake.Price includes taxes and charges.From $919, select.

London.$932 per passenger.Departing Sun, 20 Dec, returning Thu, 7 Jan.Return flight with Gulf Air.Outbound indirect flight with Gulf Air, departs from Colombo Bandaranayake on Sun, 20 Dec, arriving in London Heathrow.Inbound indirect flight with Gulf Air, departs from London Heathrow on Thu, 7 Jan, arriving in Colombo Bandaranayake.Price includes taxes and charges.From $932, select.

London.$967 per passenger.Departing Wed, 30 Sep, returning Fri, 30 Oct.Return flight with Gulf Air.Outbound indirect flight with Gulf Air, departs from Colombo Bandaranayake on Wed, 30 Sep, arriving in London Heathrow.Inbound indirect flight with Gulf Air, departs from London Heathrow on Fri, 30 Oct, arriving in Colombo Bandaranayake.Price includes taxes and charges.From $967, select.

London.$979 per passenger.Departing Sun, 27 Sep, returning Fri, 6 Nov.Return flight with Gulf Air.Outbound indirect flight with Gulf Air, departs from Colombo Bandaranayake on Sun, 27 Sep, arriving in London Heathrow.Inbound indirect flight with Gulf Air, departs from London Heathrow on Fri, 6 Nov, arriving in Colombo Bandaranayake.Price includes taxes and charges.From $979, select.

London.$981 per passenger.Departing Sat, 6 Feb, returning Tue, 23 Feb.Return flight with Gulf Air.Outbound indirect flight with Gulf Air, departs from Colombo Bandaranayake on Sat, 6 Feb, arriving in London Heathrow.Inbound indirect flight with Gulf Air, departs from London Heathrow on Tue, 23 Feb, arriving in Colombo Bandaranayake.Price includes taxes and charges.From $981, select.

London.$1,015 per passenger.Departing Mon, 15 Feb, returning Mon, 8 Mar.Return flight with Air India.Outbound indirect flight with Air India, departs from Colombo Bandaranayake on Mon, 15 Feb, arriving in London Heathrow.Inbound indirect flight with Air India, departs from London Heathrow on Mon, 8 Mar, arriving in Colombo Bandaranayake.Price includes taxes and charges.From $1,015, select.

London.$1,016 per passenger.Departing Sun, 6 Dec, returning Mon, 1 Mar.Return flight with Air India.Outbound indirect flight with Air India, departs from Colombo Bandaranayake on Sun, 6 Dec, arriving in London Heathrow.Inbound indirect flight with Air India, departs from London Heathrow on Mon, 1 Mar, arriving in Colombo Bandaranayake.Price includes taxes and charges.From $1,016, select.

London.$1,017 per passenger.Departing Wed, 10 Mar, returning Wed, 17 Mar.Return flight with Air India.Outbound indirect flight with Air India, departs from Colombo Bandaranayake on Wed, 10 Mar, arriving in London Heathrow.Inbound indirect flight with Air India, departs from London Heathrow on Wed, 17 Mar, arriving in Colombo Bandaranayake.Price includes taxes and charges.From $1,017, select.

London.$1,020 per passenger.Departing Mon, 1 Feb, returning Sat, 1 May.Return flight with Air India.Outbound indirect flight with Air India, departs from Colombo Bandaranayake on Mon, 1 Feb, arriving in London Heathrow.Inbound indirect flight with Air India, departs from London Heathrow on Sat, 1 May, arriving in Colombo Bandaranayake.Price includes taxes and charges.From $1,020, select.

London.$1,020 per passenger.Departing Tue, 20 Apr, returning Thu, 29 Apr.Return flight with Air India.Outbound indirect flight with Air India, departs from Colombo Bandaranayake on Tue, 20 Apr, arriving in London Heathrow.Inbound indirect flight with Air India, departs from London Heathrow on Thu, 29 Apr, arriving in Colombo Bandaranayake.Price includes taxes and charges.From $1,020, select.

London.$1,021 per passenger.Departing Wed, 31 Mar, returning Wed, 7 Apr.Return flight with Air India.Outbound indirect flight with Air India, departs from Colombo Bandaranayake on Wed, 31 Mar, arriving in London Heathrow.Inbound indirect flight with Air India, departs from London Heathrow on Wed, 7 Apr, arriving in Colombo Bandaranayake.Price includes taxes and charges.From $1,021, select.

London.$1,021 per passenger.Departing Tue, 16 Mar, returning Sun, 23 May.Return flight with Air India.Outbound indirect flight with Air India, departs from Colombo Bandaranayake on Tue, 16 Mar, arriving in London Heathrow.Inbound indirect flight with Air India, departs from London Heathrow on Sun, 23 May, arriving in Colombo Bandaranayake.Price includes taxes and charges.From $1,021, select.

London.$1,021 per passenger.Departing Fri, 7 May, returning Mon, 10 May.Return flight with Air India.Outbound indirect flight with Air India, departs from Colombo Bandaranayake on Fri, 7 May, arriving in London Heathrow.Inbound indirect flight with Air India, departs from London Heathrow on Mon, 10 May, arriving in Colombo Bandaranayake.Price includes taxes and charges.From $1,021, select.

London.$1,021 per passenger.Departing Mon, 26 Apr, returning Mon, 10 May.Return flight with Air India.Outbound indirect flight with Air India, departs from Colombo Bandaranayake on Mon, 26 Apr, arriving in London Heathrow.Inbound indirect flight with Air India, departs from London Heathrow on Mon, 10 May, arriving in Colombo Bandaranayake.Price includes taxes and charges.From $1,021, select.

Find the cheapest month to fly from Colombo Bandaranayake to London Heathrow

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

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Direct flights from Colombo Bandaranayake to London Heathrow

Colombo Bandaranayake to London Heathrow: Alternative routes

Compare routes from Colombo Bandaranayake to London below. You may find an airport to fly into that's cheaper, faster, or easier than London Heathrow.

Colombo to London: Flight information

The things to know before you go.

Cheapest flight found	$567
Cheapest month to fly	September
Average flight time	11 hrs, 37 mins
Most popular airline	Air Canada
Average flights per week	17

Finding cheap flights from Colombo Bandaranayake to London Heathrow: Frequently asked questions

How much are return flights from Colombo Bandaranayake to London Heathrow?

The best price we found for a return flight from Colombo Bandaranayake to London Heathrow is $567. 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.

How long does it take to fly from Colombo Bandaranayake to London Heathrow?

11 hours and 37 minutes is the average flight time from Colombo Bandaranayake to London Heathrow.

Which airlines fly direct from Colombo Bandaranayake to London Heathrow?

Air Canada and SriLankan Airlines fly direct from Colombo Bandaranayake to London Heathrow.

How many flights are there a week from Colombo Bandaranayake to London Heathrow?

As of August 2026, there are 17 flights per week flying from Colombo Bandaranayake to London Heathrow.

When is the cheapest time to fly from Colombo Bandaranayake to London Heathrow?

The cheapest month to fly from Colombo Bandaranayake to London Heathrow is usually September.

Which upcoming date is cheapest to fly from Colombo Bandaranayake Airport to London Heathrow Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Colombo Bandaranayake Airport to London Heathrow Airport on Wednesday, 9 September 2026.

Can I get a direct flight from Colombo Bandaranayake Airport to London Heathrow Airport?

Yes – the average flight time is 11 hours and 37 minutes.

How can I find the best flight deal to London Heathrow?

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 Heathrow 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.

When is the best time to book flights to London?

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.

Which is the cheapest airline to fly from Colombo Bandaranayake Airport to London Heathrow with?

Currently, FitsAir and SriLankan Airlines offer the cheapest flight tickets to London Heathrow.

Travelling from Colombo Bandaranayake Airport (CMB) to London Heathrow Airport (LHR): what you need to know

The average duration of a direct flight from Colombo Bandaranayake Airport to London Heathrow Airport is 11 hours 35 minutes.
London's timezone is UTC+0, making London five hours 30 minutes behind Colombo.
Each week, there are eight Colombo Bandaranayake Airport to London Heathrow Airport flights. If you want to get going early, jump on the 02:20 SriLankan Airlines flight. If you'd rather make the most of your day before you fly, the latest flight is at 13:05 with SriLankan Airlines.
For a stress-free journey, arrive at the airport two hours ahead of international flights and one hour before domestic departures. This way, you can comfortably catch your CMB to LHR flight.
During popular months such as August, it's best to get to the airport earlier than usual. Plan to arrive two hours before domestic departures and four hours ahead of an international flight whenever you're travelling during peak periods in general.
SriLankan Airlines is your gateway to exploring London (and maybe even some other great corners of the United Kingdom!). Check out the direct flights from Colombo Bandaranayake Airport to London Heathrow Airport offered by this popular airline.
SriLankan Airlines is the airline with the highest passenger demand for this route.
With 78.95% of its services landing as planned, SriLankan Airlines is the most punctual carrier operating CMB to LHR flights.
We make it a piece of cake to book a flight with a stopover. To see your options for tickets from Colombo Bandaranayake Airport to London Heathrow Airport, deselect 'Direct flights only.' Then, pick a flight offering a stop long enough to visit the city of your choice. Top stopovers between CMB and LHR include:
- Dubai Airport
- Paris Charles de Gaulle Airport
- Zayed International Airport

How to find the cheapest flights from Colombo Bandaranayake Airport (CMB) to London Heathrow Airport (LHR)

At the moment, $427 is the cheapest price we've seen for a one-way Colombo Bandaranayake Airport to London Heathrow Airport flight. The best price for a return ticket is $567. Remember that fares can change due to availability when booking.
Get cheap tickets from CMB to LHR by booking five months ahead. According to our research, that's the sweet spot for bagging a bargain.
Schedule your trip for October. That's the cheapest month for flights from Colombo Bandaranayake Airport to London Heathrow Airport. If you're flexible with your travel dates, use the 'Whole month' tool to see the lowest airfare across every month.
Getting your hands on cheap flights from CMB to LHR couldn't be easier with Price Alerts. Simply set up one of these automatic alerts and we'll notify you when a new discounted fare appears.
Choose your preferred departure and arrival times, airlines and number of stops with the filters. Or sort your results by 'Cheapest' to see the best deals on flights from Colombo Bandaranayake Airport to London Heathrow Airport.

Handy information about Colombo Bandaranayake Airport (CMB)

When it comes to the on-time performance of Colombo Bandaranayake Airport, 69% of flights meet their scheduled arrival time.
Central Colombo to Colombo Bandaranayake Airport is approximately 32 kilometres. Depending on traffic, it'll take about 40 minutes to get there if you're ride-sharing, catching a taxi or driving.
Planning to catch public transport? Expect a trip time of around 50 minutes.
Have an early flight from Colombo Bandaranayake Airport to London Heathrow Airport? Avoid the stress of rushing to the terminal (and sneak in some extra snooze time) by choosing one of these hotels near CMB:

Arriving at London Heathrow Airport (LHR)

The last thing you want is a long trip to your hotel if you're getting in late on a Colombo Bandaranayake Airport to London Heathrow Airport flight. Check in to one of these accommodation options near LHR instead:
Explore without limits with a London Heathrow Airport rental car. Book your wheels from Surprice, U-Save or Green Motion and venture far and wide through London and beyond.
To lock in the lowest price, reserve your ride from London Heathrow Airport around one week before you set off.

When to fly to London Heathrow Airport (LHR)

July is the most popular month for flights from Colombo Bandaranayake Airport to London Heathrow Airport. To skip the crowds, visit London in March.
When booking your flight from Colombo Bandaranayake Airport to London Heathrow Airport, think about the kind of weather you enjoy. July is the warmest month in London, with temperatures ranging from 11ºC (52ºF) to 26ºC (79ºF).
Look for cheap tickets from CMB to LHR in January if you like travelling in cooler conditions. Temperatures are at their lowest around then, ranging between 0ºC (32ºF) and 9ºC (48ºF) on average.

Explore more of the United Kingdom

London has plenty going for it, but there are so many other parts of the United Kingdom just waiting to be discovered. Around 257 kilometres north-west of London, a visit to Manchester will keep you on the move. Start with attractions like Manchester United Museum & Stadium Tour, The Homes of Football and Museum of Science and Industry.
If there's time to check out another corner of the United Kingdom, consider Birmingham, about 161 kilometres north-west of London. Birmingham Museum & Art Gallery, Birmingham Hippodrome Theatre and Bournville Experience are among the biggest draws.