Cheap flights from $437* for Colombo to London Heathrow

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Flight deals from Colombo to London Heathrow

Looking for a cheap last-minute deal or the best return flight from Colombo to London Heathrow Airport? If you want to travel next month, return fares start from $1,008. Find the lowest prices on one-way and return tickets right here.

London.$437 per passenger.Departing Mon, 20 Jul.One-way flight with Etihad Airways.Outbound indirect flight with Etihad Airways, departs from Colombo Bandaranayake on Mon, 20 Jul, arriving in London Heathrow.Price includes taxes and charges.From $437, select.

London.$440 per passenger.Departing Sun, 2 Aug.One-way flight with Etihad Airways.Outbound indirect flight with Etihad Airways, departs from Colombo Bandaranayake on Sun, 2 Aug, arriving in London Heathrow.Price includes taxes and charges.From $440, select.

London.$444 per passenger.Departing Wed, 23 Sep.One-way flight with Air India.Outbound indirect flight with Air India, departs from Colombo Bandaranayake on Wed, 23 Sep, arriving in London Heathrow.Price includes taxes and charges.From $444, select.

London.$444 per passenger.Departing Thu, 26 Nov.One-way flight with Air India.Outbound indirect flight with Air India, departs from Colombo Bandaranayake on Thu, 26 Nov, arriving in London Heathrow.Price includes taxes and charges.From $444, select.

London.$444 per passenger.Departing Wed, 14 Oct.One-way flight with Air India.Outbound indirect flight with Air India, departs from Colombo Bandaranayake on Wed, 14 Oct, arriving in London Heathrow.Price includes taxes and charges.From $444, select.

London.$444 per passenger.Departing Mon, 7 Dec.One-way flight with Air India.Outbound indirect flight with Air India, departs from Colombo Bandaranayake on Mon, 7 Dec, arriving in London Heathrow.Price includes taxes and charges.From $444, select.

London.$487 per passenger.Departing Wed, 21 Apr.One-way flight with Qatar Airways.Outbound indirect flight with Qatar Airways, departs from Colombo Bandaranayake on Wed, 21 Apr, arriving in London Heathrow.Price includes taxes and charges.From $487, select.

London.$487 per passenger.Departing Tue, 2 Mar.One-way flight with Qatar Airways.Outbound indirect flight with Qatar Airways, departs from Colombo Bandaranayake on Tue, 2 Mar, arriving in London Heathrow.Price includes taxes and charges.From $487, select.

London.$487 per passenger.Departing Tue, 9 Feb.One-way flight with Qatar Airways.Outbound indirect flight with Qatar Airways, departs from Colombo Bandaranayake on Tue, 9 Feb, arriving in London Heathrow.Price includes taxes and charges.From $487, select.

London.$487 per passenger.Departing Mon, 18 Jan.One-way flight with Qatar Airways.Outbound indirect flight with Qatar Airways, departs from Colombo Bandaranayake on Mon, 18 Jan, arriving in London Heathrow.Price includes taxes and charges.From $487, select.

London.$487 per passenger.Departing Tue, 4 May.One-way flight with Qatar Airways.Outbound indirect flight with Qatar Airways, departs from Colombo Bandaranayake on Tue, 4 May, arriving in London Heathrow.Price includes taxes and charges.From $487, select.

London.$487 per passenger.Departing Thu, 3 Jun.One-way flight with Qatar Airways.Outbound indirect flight with Qatar Airways, departs from Colombo Bandaranayake on Thu, 3 Jun, arriving in London Heathrow.Price includes taxes and charges.From $487, select.

London.$489 per passenger.Departing Thu, 1 Jul.One-way flight with Qatar Airways.Outbound indirect flight with Qatar Airways, departs from Colombo Bandaranayake on Thu, 1 Jul, arriving in London Heathrow.Price includes taxes and charges.From $489, select.

London.$699 per passenger.Departing Wed, 23 Dec.One-way flight with SriLankan Airlines.Outbound direct flight with SriLankan Airlines departs from Colombo Bandaranayake on Wed, 23 Dec, arriving in London Heathrow.Price includes taxes and charges.From $699, select.

London.$703 per passenger.Departing Tue, 3 Nov.One-way flight with SriLankan Airlines.Outbound direct flight with SriLankan Airlines departs from Colombo Bandaranayake on Tue, 3 Nov, arriving in London Heathrow.Price includes taxes and charges.From $703, select.

London.$754 per passenger.Departing Thu, 4 Feb.One-way flight with SriLankan Airlines.Outbound direct flight with SriLankan Airlines departs from Colombo Bandaranayake on Thu, 4 Feb, arriving in London Heathrow.Price includes taxes and charges.From $754, select.

Find the cheapest month to fly from Colombo to London Heathrow

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

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Direct flights from Colombo to London Heathrow

Colombo to London Heathrow: Alternative routes

Compare routes from Colombo 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	$437
Cheapest month to fly	July
Average flight time	11 hrs, 37 mins
Most popular airline	Air Canada
Average flights per week	17

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

How much are return flights from Colombo to London Heathrow?

The best price we found for a return flight from Colombo to London Heathrow is $853. 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 to London Heathrow?

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

Which airlines fly direct from Colombo to London Heathrow?

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

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

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

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

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

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

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Colombo to London Heathrow Airport on Wednesday, 29 July 2026.

Can I get a direct flight from Colombo 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.

Travelling from Colombo to London Heathrow Airport (LHR): What you need to know

Colombo Bandaranaike International Airport (CMB) is Colombo's main airport. Explore your options for booking a flight from Colombo to London Heathrow Airport (LHR) taking off from here.
Expect to be travelling for 11 hours 35 minutes. On average, that's the time it takes for a direct Colombo to London Heathrow Airport flight.
London is five hours 30 minutes behind Colombo. London Heathrow Airport is located in London, which follows the UTC+0 timezone.
Take your pick of 8 direct services every week between Colombo Bandaranaike International Airport (CMB) and London Heathrow Airport (LHR). This is the most popular route, with SriLankan Airlines offering a 2:20am departure from CMB to LHR.
Get to the airport on time so you don't miss your flight from Colombo to LHR. Be there at least two hours ahead for international flights and an hour early for domestic departures to prevent a last-minute sprint to your gate.
During popular months like February, it's a good idea to get to the airport earlier. Plan to arrive two hours before domestic departures and four hours ahead of international flights when you travel during a peak period in general.

Airports in Colombo

Colombo Bandaranaike International Airport (CMB)

You can hop on a direct flight from Colombo to London Heathrow Airport (LHR) departing from Colombo Bandaranaike International Airport (CMB).
You can lock in a direct flight from Colombo to London Heathrow Airport with SriLankan Airlines. This popular carrier operates services from CMB.
Most passengers prefer to fly with SriLankan Airlines from CMB to LHR.
Among carriers on this route, SriLankan Airlines leads the way for on-time arrivals.
We make it simple to book cheap flights from Colombo to LHR with a stopover. To explore all the options departing from Colombo Bandaranaike International Airport (CMB), deselect 'Direct flights only.' Then, select a flight that has a stop long enough to tour your chosen city. Top stopovers between CMB and LHR include:
- Dubai International Airport (DXB)
- Paris Charles de Gaulle Airport (CDG)
- Abu Dhabi Zayed International Airport (AUH)
Located around 32 kilometres from the centre of Colombo, CMB can be reached in about 40 minutes by car, depending on traffic. The journey on public transport is roughly 50 minutes.
Catching an early flight from Colombo to London Heathrow Airport? Avoid the mad dash to the terminal (and sneak in some bonus sleep) by choosing one of these stays near Colombo Bandaranaike International Airport:
Of all flights leaving Colombo Bandaranaike International Airport, 74% land on schedule at their destination.

About London Heathrow Airport (LHR)

Consider booking a hotel near LHR if you have a late flight from Colombo to London Heathrow Airport. Settle into one of these options and say goodnight sooner:
Get your adventure underway by picking up a London Heathrow Airport rental car. Grab your wheels from Surprice, U-Save or Green Motion to explore London and beyond.
Booking your vehicle around one week in advance of your Colombo to London Heathrow Airport flight can help you get a cheaper deal.

Getting from London Heathrow Airport (LHR) to central London

London Heathrow Airport is around 24 kilometres from central London. It takes around 45 minutes or so to get to the city by car.
When travelling on public transport, expect a journey time of about 25 minutes.

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

$437 is the lowest price for a one-way ticket from Colombo to London Heathrow Airport. A return flight starts from $853. These fares can change based on demand.
To snag cheap flights from Colombo to LHR, book your ticket five months ahead of your planned departure.
The best month for landing cheap Colombo to London Heathrow Airport tickets is October. Use the 'Whole month' tool to compare flight prices, then select the dates with the lowest fares.
There's no need to search every day to find out if fares have dropped when you set up a Price Alert. We'll let you know as soon as a lower fare pops up on plane tickets from Colombo to LHR.
Find a cheap flight from Colombo to London Heathrow Airport by using the search filters. Choose your ideal times, airlines and number of stops, then sort the results by 'Cheapest' for the best deals.

The best time to fly from Colombo to London Heathrow Airport (LHR)

July is the most popular month for flights from Colombo to London Heathrow Airport (LHR). Visit London in January if you'd rather avoid peak season.
The warmest month in London is July, with temperatures ranging between 11ºC (52ºF) and 26ºC (79ºF). Lock in your Colombo to LHR plane ticket then if that's your definition of good weather.
January has temperatures of between 0ºC (32ºF) and 9ºC (48ºF). Search for cheap tickets from Colombo to London Heathrow Airport around that time if you want to travel in cooler conditions.

More about London

When it comes to searching for somewhere to lay your head, you'll find the top stays in London right here. Check out these options after locking in your flight from Colombo to London Heathrow Airport:
Your trip to London won't be complete without checking out the sights. Highlights that belong on your itinerary include The British Museum, Westminster Abbey and Big Ben.

Explore more of the United Kingdom

London has plenty to offer, but there are so many other parts of the United Kingdom just waiting to be explored. About 153 kilometres northwest of London, a trip to Birmingham will keep your itinerary packed. Don't miss top attractions like Birmingham Museum & Art Gallery, Birmingham Hippodrome Theatre and Bournville Experience.
If there's time to check out another well-known destination in the United Kingdom, head for Bristol, roughly 145 kilometres west of London. Banksey, Clifton Suspension Bridge and Bristol International Balloon Fiesta are key reasons to visit.