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Cheap Flights from Colombo to London Heathrow

Compare Colombo 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 to London Heathrow Airport

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 Rs183,940. Find the lowest prices on one-way and return tickets right here.
London.Rs78,285 per passenger.Departing Sat, 27 Jun.One-way flight with IndiGo.Outbound indirect flight with IndiGo, departs from Colombo Bandaranayake on Sat, 27 Jun, arriving in London Heathrow.Price includes taxes and charges.From Rs78,285, select.
London.Rs79,183 per passenger.Departing Sat, 4 Jul.One-way flight with IndiGo.Outbound indirect flight with IndiGo, departs from Colombo Bandaranayake on Sat, 4 Jul, arriving in London Heathrow.Price includes taxes and charges.From Rs79,183, select.
London.Rs81,767 per passenger.Departing Thu, 21 May.One-way flight with IndiGo.Outbound indirect flight with IndiGo, departs from Colombo Bandaranayake on Thu, 21 May, arriving in London Heathrow.Price includes taxes and charges.From Rs81,767, select.
London.Rs86,132 per passenger.Departing Tue, 28 Apr.One-way flight with IndiGo.Outbound indirect flight with IndiGo, departs from Colombo Bandaranayake on Tue, 28 Apr, arriving in London Heathrow.Price includes taxes and charges.From Rs86,132, select.
London.Rs103,945 per passenger.Departing Sun, 15 Nov.One-way flight with Gulf Air.Outbound indirect flight with Gulf Air, departs from Colombo Bandaranayake on Sun, 15 Nov, arriving in London Heathrow.Price includes taxes and charges.From Rs103,945, select.
London.Rs104,172 per passenger.Departing Mon, 21 Sep.One-way flight with Gulf Air.Outbound indirect flight with Gulf Air, departs from Colombo Bandaranayake on Mon, 21 Sep, arriving in London Heathrow.Price includes taxes and charges.From Rs104,172, select.
London.Rs107,318 per passenger.Departing Sat, 24 Oct.One-way flight with Kuwait Airways.Outbound indirect flight with Kuwait Airways, departs from Colombo Bandaranayake on Sat, 24 Oct, arriving in London Heathrow.Price includes taxes and charges.From Rs107,318, select.
London.Rs113,775 per passenger.Departing Fri, 4 Dec.One-way flight with Kuwait Airways.Outbound indirect flight with Kuwait Airways, departs from Colombo Bandaranayake on Fri, 4 Dec, arriving in London Heathrow.Price includes taxes and charges.From Rs113,775, select.
London.Rs114,517 per passenger.Departing Sat, 28 Mar.One-way flight with Etihad Airways.Outbound indirect flight with Etihad Airways, departs from Colombo Bandaranayake on Sat, 28 Mar, arriving in London Heathrow.Price includes taxes and charges.From Rs114,517, select.
London.Rs117,849 per passenger.Departing Mon, 3 Aug.One-way flight with Air India.Outbound indirect flight with Air India, departs from Colombo Bandaranayake on Mon, 3 Aug, arriving in London Heathrow.Price includes taxes and charges.From Rs117,849, select.
London.Rs117,900 per passenger.Departing Sat, 16 Jan.One-way flight with Kuwait Airways.Outbound indirect flight with Kuwait Airways, departs from Colombo Bandaranayake on Sat, 16 Jan, arriving in London Heathrow.Price includes taxes and charges.From Rs117,900, select.
London.Rs118,409 per passenger.Departing Wed, 3 Feb.One-way flight with Qatar Airways.Outbound indirect flight with Qatar Airways, departs from Colombo Bandaranayake on Wed, 3 Feb, arriving in London Heathrow.Price includes taxes and charges.From Rs118,409, select.
London.Rs119,822 per passenger.Departing Wed, 10 Mar.One-way flight with Qatar Airways.Outbound indirect flight with Qatar Airways, departs from Colombo Bandaranayake on Wed, 10 Mar, arriving in London Heathrow.Price includes taxes and charges.From Rs119,822, select.
London.Rs120,241 per passenger.Departing Thu, 5 Nov.One-way flight with SriLankan Airlines.Outbound direct flight with SriLankan Airlines departs from Colombo Bandaranayake on Thu, 5 Nov, arriving in London Heathrow.Price includes taxes and charges.From Rs120,241, select.
London.Rs121,137 per passenger.Departing Tue, 9 Jun.One-way flight with SriLankan Airlines.Outbound direct flight with SriLankan Airlines departs from Colombo Bandaranayake on Tue, 9 Jun, arriving in London Heathrow.Price includes taxes and charges.From Rs121,137, select.
London.Rs121,364 per passenger.Departing Thu, 3 Dec.One-way flight with SriLankan Airlines.Outbound direct flight with SriLankan Airlines departs from Colombo Bandaranayake on Thu, 3 Dec, arriving in London Heathrow.Price includes taxes and charges.From Rs121,364, 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 June.
Mar
from Rs114,517
Apr
from Rs86,132
May
from Rs81,767
Jun
from Rs78,285
Jul
from Rs79,183
Aug
from Rs117,849
Sep
from Rs104,172
Oct
from Rs107,318
Nov
from Rs103,945
Dec
from Rs113,775
Jan
from Rs117,900
Feb
from Rs118,409

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.

London City

12km from central London
Closest
from Rs118,031
Search flights

London Heathrow

23km from central London
Cheapest
from Rs78,285
Search flights

London Gatwick

40km from central London
from Rs86,580
Search flights

London Luton

45km from central London
from Rs89,404
Search flights

London Stansted

49km from central London
from Rs83,257
Search flights

London Southend

57km from central London
from Rs108,259
Search flights

Colombo to London: Flight information

The things to know before you go.
Cheapest flight foundRs78,285
Cheapest month to flyJune
Average flight time11 hrs, 40 mins
Most popular airlineAir Canada
Average flights per week51

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

The best price we found for a return flight from Colombo to London Heathrow is Rs183,940. 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 40 minutes is the average flight time from Colombo to London Heathrow.
Air Canada and SriLankan Airlines fly direct from Colombo to London Heathrow.
As of March 2026, there are 17 flights per week flying from Colombo to London Heathrow.
The cheapest month to fly from Colombo to London Heathrow is usually April.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Colombo to London Heathrow Airport on Saturday, 11 April 2026.
Yes – the average flight time is 11 hours and 40 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 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.
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)

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)

  • Rs78,285 is the lowest price for a one-way ticket from Colombo to London Heathrow Airport. A return flight starts from Rs183,940. 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 and 26ºC. Lock in your Colombo to LHR plane ticket then if that's your definition of good weather.

  • January has temperatures of between 0ºC and 9ºC. 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.

Plan the rest of your trip from Colombo to London

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