Cheap flights from Colombo Bandaranaike Intl Airport to London Heathrow Airport from $540

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 4/5. Fares are subject to change and may not be available on all flights or dates of travel.
CMB — LHR
21 Apr — 28 Apr1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Colombo Bandaranaike Intl to London Heathrow are usually found in October or November, booked 43 days in advance, depart on a Tuesday or Monday and return on a Tuesday

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 22 March 2026.

Wed 22/417:20
CMB
-
LHR
2 stops26h 30m
Gulf Air
Sat 2/522:05
LHR
-
CMB
2 stops31h 05m
Gulf Air
Deal found 22/3$1,079
Sun 24/517:20
CMB
-
LHR
2 stops18h 05m
Gulf Air
Fri 5/610:00
LHR
-
CMB
2 stops19h 10m
Gulf Air
Deal found 21/3$1,080
Sun 24/517:20
CMB
-
LHR
2 stops18h 05m
Gulf Air
Tue 2/622:05
LHR
-
CMB
2 stops31h 05m
Gulf Air
Deal found 21/3$1,083
Fri 20/305:10
CMB
-
LHR
1 stop18h 50m
Etihad Airways
Mon 11/521:45
LHR
-
CMB
1 stop18h 20m
Etihad Airways
Deal found 17/3$1,085
Mon 4/517:20
CMB
-
LHR
2 stops18h 05m
Gulf Air
Tue 19/510:00
LHR
-
CMB
2 stops19h 10m
Gulf Air
Deal found 17/3$1,086
Mon 11/517:20
CMB
-
LHR
2 stops18h 05m
Gulf Air
Wed 27/510:00
LHR
-
CMB
2 stops19h 10m
Gulf Air
Deal found 22/3$1,088
Tue 5/517:20
CMB
-
LHR
2 stops18h 05m
Gulf Air
Tue 12/522:05
LHR
-
CMB
2 stops31h 05m
Gulf Air
Deal found 21/3$1,092
Mon 11/519:15
CMB
-
LHR
1 stop15h 45m
Qatar Airways
Tue 26/508:05
LHR
-
CMB
1 stop13h 10m
Qatar Airways
Deal found 17/3$1,108
Tue 28/417:20
CMB
-
LHR
2 stops26h 30m
Gulf Air
Sat 16/522:05
LHR
-
CMB
2 stops31h 05m
Gulf Air
Deal found 18/3$1,115
Sat 18/404:10
CMB
-
LHR
1 stop13h 05m
Etihad Airways
Sat 25/420:45
LHR
-
CMB
1 stop19h 20m
Etihad Airways
Deal found 20/3$1,116

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 22 March 2026.

Round-trip from

$1,079

One-way from

$540

Popular in

August

Cheapest in

October

Average price

$1,340

Good one-way deal

$1,237 or less
Gulf Air
  • Gulf Air
  • 22/4-2/5
  • 4 total stops
  • 57h 35m total
  • Colombo to London
Gulf Air
  • Gulf Air
  • 4/5
  • 2 total stops
  • 18h 05m total
  • Colombo to London
Highest demand for flights based on searches. 5% potential increase in price ($110 potential increase over avg. return price).
Cheapest flight prices on average. 1% potential price decrease ($25 potential savings vs. average return price).
Average for round-trip flights in March 2026
Price to beat on a one-way flight from Colombo Bandaranaike Intl to London Heathrow.

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 22 March 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

Wed 8/4

21:50-07:00

1 stop13h 40m

London Heathrow

Tue 8/9

21:45-20:35

1 stop18h 20m

$1,085

ColomboLondon

CMB - LHR

CMBLHR

Colombo Bandaranaike Intl

Fri 3/4

10:00-18:45

1 stop13h 15m

London Heathrow

Tue 8/9

21:45-20:35

1 stop18h 20m

$1,085

ColomboLondon

CMB - LHR

CMBLHR

Colombo Bandaranaike Intl

Mon 11/5

19:15-06:30

1 stop15h 45m

London Heathrow

Tue 26/5

08:05-01:45

1 stop13h 10m

$1,108

ColomboLondon

CMB - LHR

CMBLHR

Colombo Bandaranaike Intl

Tue 28/4

17:20-06:55

2 stops18h 05m

London Heathrow

Sun 17/5

10:00-09:40

2 stops19h 10m

$1,207

ColomboLondon

CMB - LHR

CMBLHR

Colombo Bandaranaike Intl

Fri 1/5

10:05-18:40

1 stop13h 05m

London Heathrow

Fri 8/5

22:15-18:30

2 stops15h 45m

$1,277

ColomboLondon

CMB - LHR

CMBLHR

Colombo Bandaranaike Intl

Thu 16/4

17:20-15:20

2 stops26h 30m

London Heathrow

Thu 23/4

22:05-09:40

2 stops31h 05m

$1,332
Fastest return journey

ColomboLondon

CMB - LHR

CMBLHR

Colombo Bandaranaike Intl

Thu 16/4

10:05-18:40

1 stop13h 05m

London Heathrow

Thu 23/4

14:25-10:15

2 stops15h 20m

$1,355

ColomboLondon

CMB - LHR

CMBLHR

Colombo Bandaranaike Intl

Sat 2/5

22:10-18:40

2 stops49h 00m

London Heathrow

Sat 9/5

21:20-18:20

2 stops40h 30m

$1,411

ColomboLondon

CMB - LHR

CMBLHR

Colombo Bandaranaike Intl

Sun 3/5

17:20-06:55

2 stops18h 05m

London Heathrow

Sun 10/5

22:05-09:40

2 stops31h 05m

$1,577

ColomboLondon

CMB - LHR

CMBLHR

Colombo Bandaranaike Intl

Tue 5/5

15:00-19:10

2 stops32h 40m

London Heathrow

Tue 12/5

20:50-05:00

2 stops27h 40m

$1,705

Flights are sorted by cheapest return flights first.

Deals found on 17/3

Showing 1-10 of 22 resultsSorted by cheapest first
1
2
3

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?

Use this chart to determine the optimal time to book a return flight from Colombo to Heathrow. Price data was last updated on 13 March 2026.

The best time to book flights from Colombo Bandaranaike Intl Airport to London Heathrow Airport is 43 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 $988). Flying from Colombo Bandaranaike Intl Airport to London Heathrow Airport in August is currently the most expensive (average of $1,159). 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 22 March 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 22 March 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.

Overall

7.4

Boarding

7.5

Comfort

7.4

Food

7.3

Entertainment

7.3

Crew

7.9

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.

Overall

7.4

Boarding

7.5

Comfort

7.4

Food

7.3

Entertainment

7.3

Crew

7.9

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.

Overall

7.4

Boarding

7.5

Comfort

7.4

Food

7.3

Entertainment

7.3

Crew

7.9

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.

Overall

7.4

Boarding

7.5

Comfort

7.4

Food

7.3

Entertainment

7.3

Crew

7.9

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.

Overall

7.4

Boarding

7.5

Comfort

7.4

Food

7.3

Entertainment

7.3

Crew

7.9

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 13h 40m. Fly via Etihad Airways, Qatar Airways, or Gulf Air 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 $1,090. Other airlines that can offer you cheap pricing are Qatar Airways, from $1,099, and Etihad Airways, from $1,301. British Airways is 21% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest flights from Colombo Bandaranaike Intl Airport to London Heathrow Airport?

    Looking at all options, your cheapest flight can be booked for $526. While the most popular route (Colombo Bandaranaike Intl - London Heathrow) can be booked for $1,574 on average, our data indicates $1,237 when flying from Colombo Bandaranaike Intl Airport to London Heathrow Airport.

  • 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 $988). Flying from Colombo Bandaranaike Intl Airport to London Heathrow Airport in August is currently the most expensive (average of $1,159). 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
Kingston upon Thames
Salisbury
Horsham
Southall
Chatham
Aylesbury
Dover
Braintree
Gatwick
Chertsey

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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 22 March 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$1,090Average$1,352FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Qatar AirwaysCheapest$1,099Average$1,305FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
Etihad AirwaysCheapest$1,301Average$1,592FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
SriLankan AirlinesCheapest$1,451Average$1,852FlexibilityNo cancel feeOn-time68%
Search SriLankan Airlines flights

Fly with Cheapflights

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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?

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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?

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