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Cheap flights from Colombo Bandaranaike Intl Airport to London Heathrow Airport from $521

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 29/9. Fares are subject to change and may not be available on all flights or dates of travel.
CMB — LHR
31 Jul — 7 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Colombo to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from Colombo to Heathrow
Explore the most affordable flight options available from Colombo to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 July 2026.

Mon 21/916:20
CMB
-
LHR
1 stop24h 55m
Etihad Airways
Mon 19/1020:45
LHR
-
CMB
1 stop19h 20m
Etihad Airways
Deal found 30/6$1,105
Tue 14/716:20
CMB
-
LHR
1 stop24h 55m
Etihad Airways
Mon 20/714:45
LHR
-
CMB
1 stop25h 20m
Etihad Airways
Deal found 1/7$1,108
Sat 11/717:20
CMB
-
LHR
2 stops18h 05m
Gulf Air
Sat 29/822:05
LHR
-
CMB
2 stops31h 05m
Gulf Air
Deal found 30/6$1,110
Wed 21/1020:20
CMB
-
LHR
1 stop14h 40m
Qatar Airways
Sun 1/1108:05
LHR
-
CMB
1 stop13h 10m
Qatar Airways
Deal found 29/6$1,115
Wed 1/720:20
CMB
-
LHR
1 stop22h 20m
Qatar Airways
Wed 9/909:30
LHR
-
CMB
1 stop13h 05m
Qatar Airways
Deal found 29/6$1,125
Wed 1/717:20
CMB
-
LHR
2 stops26h 30m
Gulf Air
Wed 9/922:05
LHR
-
CMB
2 stops31h 05m
Gulf Air
Deal found 29/6$1,134
Sun 13/1221:35
CMB
-
LHR
1 stop20h 00m
Etihad Airways
Wed 6/119:20
LHR
-
CMB
1 stop14h 25m
Etihad Airways
Deal found 28/6$1,139
Wed 9/903:35
CMB
-
LHR
1 stop15h 00m
Qatar Airways
Wed 30/920:40
LHR
-
CMB
1 stop15h 40m
Qatar Airways
Deal found 28/6$1,147
Sat 18/710:00
CMB
-
LHR
1 stop13h 15m
Etihad Airways
Sat 25/720:45
LHR
-
CMB
1 stop25h 45m
Etihad Airways
Deal found 28/6$1,169
Thu 10/1204:00
CMB
-
LHR
1 stop16h 00m
Etihad Airways
Wed 6/120:55
LHR
-
CMB
1 stop29h 50m
Etihad Airways
Deal found 28/6$1,173
Tue 30/617:20
CMB
-
LHR
2 stops18h 05m
Gulf Air
Sat 4/710:00
LHR
-
CMB
2 stops19h 10m
Gulf Air
Deal found 28/6$1,185
Fri 3/717:20
CMB
-
LHR
2 stops26h 30m
Gulf Air
Wed 16/922:05
LHR
-
CMB
2 stops31h 05m
Gulf Air
Deal found 30/6$1,188

Find flight deals from Colombo to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Colombo (CMB) to Heathrow (LHR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 1 July 2026.

Round-trip from

$1,105

One-way from

$521

Popular in

August

Cheapest in

May

Average price

$1,430
Etihad Airways
  • Etihad Airways
  • 21/9-19/10
  • 2 total stops
  • 44h 15m total
  • Colombo to London
Search Deals
Qatar Airways
  • Qatar Airways
  • 29/9
  • 1 total stop
  • 15h 05m total
  • Colombo to London
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($141 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($34 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Colombo to Heathrow that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 1 July 2026.
Use the filters below to find and compare flights from Colombo Bandaranaike Intl Airport to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

ColomboLondon

CMB - LHR

CMBLHR

Colombo Bandaranaike Intl

Tue 14/7

16:20-12:45

1 stop24h 55m

London Heathrow

Mon 20/7

14:45-20:35

1 stop25h 20m

$1,108

ColomboLondon

CMB - LHR

CMBLHR

Colombo Bandaranaike Intl

Sat 3/10

17:20-15:20

2 stops26h 30m

London Heathrow

Sun 15/11

09:30-09:45

1 stop18h 45m

$1,188

ColomboLondon

CMB - LHR

CMBLHR

Colombo Bandaranaike Intl

Thu 29/10

19:30-06:15

1 stop16h 15m

London Heathrow

Fri 20/11

18:55-16:30

1 stop16h 05m

$1,207

ColomboLondon

CMB - LHR

CMBLHR

Colombo Bandaranaike Intl

Tue 4/8

04:35-14:10

1 stop14h 05m

London Heathrow

Tue 25/8

19:25-17:45

1 stop17h 50m

$1,211

ColomboLondon

CMB - LHR

CMBLHR

Colombo Bandaranaike Intl

Wed 21/10

17:20-15:20

2 stops26h 30m

London Heathrow

Sun 1/11

21:50-09:45

1 stop30h 25m

$1,230

ColomboLondon

CMB - LHR

CMBLHR

Colombo Bandaranaike Intl

Wed 5/8

11:25-06:30

1 stop23h 35m

London Heathrow

Wed 19/8

08:25-09:40

1 stop20h 45m

$1,355
Fastest return journey

ColomboLondon

CMB - LHR

CMBLHR

Colombo Bandaranaike Intl

Mon 10/8

04:10-12:45

1 stop13h 05m

London Heathrow

Fri 4/9

21:45-20:35

1 stop18h 20m

$1,355

ColomboLondon

CMB - LHR

CMBLHR

Colombo Bandaranaike Intl

Thu 10/9

20:35-14:25

2 stops22h 20m

London Heathrow

Wed 30/9

14:25-10:15

2 stops15h 20m

$1,384

ColomboLondon

CMB - LHR

CMBLHR

Colombo Bandaranaike Intl

Mon 10/8

20:35-18:40

2 stops26h 35m

London Heathrow

Fri 4/9

22:15-16:50

1 stop14h 05m

$1,384
Cheapest one-way

ColomboLondon

CMB - LHR

CMBLHR

Colombo Bandaranaike Intl

Sat 11/7

17:20-15:20

2 stops26h 30m

$548

Flights are sorted by cheapest return flights first.

Deals found on 30/6

Showing 1-10 of 19 resultsSorted by cheapest first
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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.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Colombo Bandaranaike Intl Airport to London Heathrow Airport

How far ahead should I book a flight from Colombo Bandaranaike Intl Airport to London Heathrow Airport?

The best time to book flights from Colombo Bandaranaike Intl Airport to London Heathrow Airport is 70 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Colombo Bandaranaike Intl Airport to London Heathrow Airport?

Currently, May is the cheapest month in which you can book a flight from Colombo Bandaranaike Intl Airport to London Heathrow Airport (average of $1,199). Flying from Colombo Bandaranaike Intl Airport to London Heathrow Airport in August is currently the most expensive (average of $1,614). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from CMB to LHR?

Find hourly flight availability from Colombo to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 1 July 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Colombo Bandaranaike Intl Airport to London Heathrow Airport as you normally would.

How much does it cost for a return flight from Colombo Bandaranaike Intl Airport to London Heathrow Airport?

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Heathrow. Reviews last updated 1 July 2026.
Read reviews from past customers who have flown with Qatar Airways,Etihad Airways, andSriLankan Airlines from Colombo Bandaranaike Intl Airport to London Heathrow Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Qatar Airways
7.3
Good
3,738 reviews
Check prices

Crew

7.9

Entertainment

7.3

Boarding

7.5

Food

7.3

Comfort

7.3

Overall

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2025

DOH - KUL

My only complaint is that for this long flight I was initially given a window seat. Which made me happy. But at boarding they switched my ticket for no apparent reason and when I asked I was told my seat number doesn’t exist. I was given a middle seat.
Qatar Airways
7.3
Good
3,738 reviews
Qatar Airways
7.3
Good
3,738 reviews
Check prices

Crew

7.9

Entertainment

7.3

Boarding

7.5

Food

7.3

Comfort

7.3

Overall

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2025

DOH - KUL

My only complaint is that for this long flight I was initially given a window seat. Which made me happy. But at boarding they switched my ticket for no apparent reason and when I asked I was told my seat number doesn’t exist. I was given a middle seat.
Etihad Airways
7.3
Good
1,471 reviews
Qatar Airways
7.3
Good
3,738 reviews
Check prices

Crew

7.9

Entertainment

7.3

Boarding

7.5

Food

7.3

Comfort

7.3

Overall

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2025

DOH - KUL

My only complaint is that for this long flight I was initially given a window seat. Which made me happy. But at boarding they switched my ticket for no apparent reason and when I asked I was told my seat number doesn’t exist. I was given a middle seat.
SriLankan Airlines
6.8
Okay
85 reviews
Qatar Airways
7.3
Good
3,738 reviews
Check prices

Crew

7.9

Entertainment

7.3

Boarding

7.5

Food

7.3

Comfort

7.3

Overall

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2025

DOH - KUL

My only complaint is that for this long flight I was initially given a window seat. Which made me happy. But at boarding they switched my ticket for no apparent reason and when I asked I was told my seat number doesn’t exist. I was given a middle seat.
British Airways
6.7
Okay
8,087 reviews
Qatar Airways
7.3
Good
3,738 reviews
Check prices

Crew

7.9

Entertainment

7.3

Boarding

7.5

Food

7.3

Comfort

7.3

Overall

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2025

DOH - KUL

My only complaint is that for this long flight I was initially given a window seat. Which made me happy. But at boarding they switched my ticket for no apparent reason and when I asked I was told my seat number doesn’t exist. I was given a middle seat.

Related info for your journey

Find useful and relevant information for your journey from Colombo to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Colombo Bandaranaike Intl Airport to London Heathrow Airport?

    There are many flights that can get you from Colombo Bandaranaike Intl Airport to London Heathrow Airport in 16h 15m. Fly via Etihad Airways, Gulf Air, or Qatar Airways to get the fastest option. The distance from Colombo Bandaranaike Intl Airport to London Heathrow Airport is about 8710 km. Both multi-stop and direct flights can be found to your destination and back.

  • What are the cheapest airlines flying from Colombo Bandaranaike Intl Airport to London Heathrow Airport round-trip?

    Cheapflights users have booked flights from Colombo Bandaranaike Intl Airport to London Heathrow Airport round-trip from $1,111. Other airlines that can offer you cheap pricing are Qatar Airways, from $1,120, and Etihad Airways, from $1,276. British Airways is 18% cheaper than the average price of flights available within the next 90 days to this destination.

  • Can I find deals for flights from Colombo to Heathrow that include hotel bookings?

    Yes. In addition to deals on Colombo to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Colombo to Heathrow?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Colombo to Heathrow.

  • Can I find deals for business class flights from Colombo to Heathrow?

    Yes. Cheapflights offers flight deals from Colombo to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Colombo Bandaranaike Intl Airport to London Heathrow Airport?

    Currently, May is the cheapest month in which you can book a flight from Colombo Bandaranaike Intl Airport to London Heathrow Airport (average of $1,199). Flying from Colombo Bandaranaike Intl Airport to London Heathrow Airport in August is currently the most expensive (average of $1,614). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Hounslow
Milton Keynes
Kingston upon Thames
Salisbury
St. Albans
Horsham
Luton
Dover
Aylesbury
Guildford
Stansted
Braintree
Brentford
Gatwick
Chertsey
Orpington
Teddington

Browse thousands of different options on Cheapflights for your next trip

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Top 4 airlines flying from Colombo to Heathrow

Discover the top 4 airlines that operate flights from Colombo to Heathrow. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 1 July 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$1,111Average$1,378FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Qatar AirwaysCheapest$1,120Average$1,342FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
Etihad AirwaysCheapest$1,276Average$1,503FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
SriLankan AirlinesCheapest$1,582Average$2,051FlexibilityNo cancel feeOn-time68%
Search SriLankan Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Colombo to Heathrow?

Deals for Colombo to Heathrow flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Colombo to Heathrow?

Cheapflights helps you find that perfect flight to Heathrow from Colombo by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Colombo to Heathrow with no change fees?

Certainly. Search results for flights to Heathrow from Colombo shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Colombo to Heathrow become cheaper?

Yes! Start tracking prices for Colombo to Heathrow flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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