What are the cheapest airlines to fly from Sri Lanka to London Heathrow Airport one-way?

£238 is the cheapest one-way deal found within the past few days, from Air India. You may also be able to find cheap deals on Etihad Airways and Qatar Airways, with prices starting from £255 and £278, respectively.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

What are the cheapest flights from Sri Lanka to London Heathrow Airport?

On average you can expect to pay £1,417 for a flight from Sri Lanka to London Heathrow Airport. The cheapest flight overall is £347 while the most popular route, (Colombo Bandaranaike Intl - London Heathrow) is currently priced at £515.

What are the most popular airlines that fly from Sri Lanka to London Heathrow Airport?

When booking a flight from Sri Lanka to London Heathrow Airport, you may want to consider flying on Air India, British Airways or Emirates as they are the most popular for this route.

How far in advance should I book a flight from Sri Lanka to London Heathrow Airport?

To save up to 22% on this flight, we recommend booking at least 38 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Sri Lanka to London Heathrow Airport from £648 1-2 weeks out and tickets from £653 for flights departing within the next 72 hours.

What is the cheapest month to fly from Sri Lanka to London Heathrow Airport?

Due to multiple factors, expect to potentially pay more when booking in August. For low rates, November can be a great choice for travel to London Heathrow Airport. Flights to London Heathrow Airport from Sri Lanka in November are about £680 on average during November, but can be found for as low as £467.

Can I find deals for flights from Sri Lanka to Heathrow that include hotel bookings?

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

How can I find direct flights from Sri Lanka to Heathrow?

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

Can I find deals for business class flights from Sri Lanka to Heathrow?

Yes. Cheapflights offers flight deals from Sri Lanka 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.

£517+ Flights from Sri Lanka to London Heathrow Airport

Cheap flight deals from Sri Lanka to Heathrow

Round-trip from	£545
One-way from	£238
Popular in	August
Cheapest in	November
Average price	£677
Good round-trip deal	£843 or less
Good one-way deal	£367 or less

Air India
12/7-31/7
2 total stops
44h 15m total
Sri Lanka to London

Search Deals

Air India
27/7
1 total stop
32h 00m total
Sri Lanka to London

Search Deals

Highest demand for flights based on searches. 6% potential increase in price (£34 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease (£6 potential savings vs. average return price).

Search Deals

Average for round-trip flights in July 2025

Search Deals

Price to beat on a round-trip flight from Sri Lanka to London Heathrow.

Search Deals

Price to beat on a one-way flight from Sri Lanka to London Heathrow.

Search Deals

Find flight deals from Sri Lanka to Heathrow

Cheapest flights from Sri Lanka to Heathrow
Explore the most affordable flight options available from Sri Lanka to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 July 2025.

Sun 13/716:00CMB - LHR

1 stop22h 45mAir India

Sun 14/913:15LHR - CMB

1 stop13h 35mAir India

Deal found 30/6£545

Fri 26/916:30CMB - LHR

1 stop19h 00mEtihad Airways

Thu 6/1109:00LHR - CMB

1 stop12h 20mEtihad Airways

Deal found 30/6£546

Wed 23/709:40CMB - LHR

1 stop14h 20mMultiple Airlines

Sat 1/1108:00LHR - CMB

2 stops15h 20mMultiple Airlines

Deal found 30/6£569

Mon 14/717:25CMB - LHR

2 stops18h 00mGulf Air

Wed 10/910:00LHR - CMB

2 stops19h 00mGulf Air

Deal found 29/6£585

Thu 25/903:35CMB - LHR

1 stop15h 05mQatar Airways

Thu 6/1113:05LHR - CMB

1 stop15h 10mQatar Airways

Deal found 30/6£604

Thu 7/818:25CMB - LHR

2 stops27h 40mSriLankan Airlines

Thu 28/806:30LHR - CMB

2 stops25h 55mSriLankan Airlines

Deal found 30/6£628

Best flights from Sri Lanka to Heathrow
Discover carefully curated flight deals from Sri Lanka to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 1 July 2025.

Sat 12/708:20CMB - LHR

1 stop15h 10mAir India

Thu 31/721:45LHR - CMB

1 stop29h 05mAir India

Deal found 28/6£545

Tue 12/816:00CMB - LHR

1 stop22h 45mMultiple Airlines

Tue 19/808:45LHR - CMB

3 stops19h 15mMultiple Airlines

Deal found 28/6£550

Wed 23/704:05CMB - LHR

1 stop31h 25mEtihad Airways

Mon 3/1113:55LHR - CMB

1 stop24h 55mEtihad Airways

Deal found 30/6£556

Mon 14/717:25CMB - LHR

2 stops18h 00mGulf Air

Wed 10/910:00LHR - CMB

2 stops19h 00mGulf Air

Deal found 29/6£585

Thu 25/903:35CMB - LHR

1 stop15h 05mQatar Airways

Thu 6/1113:05LHR - CMB

1 stop15h 10mQatar Airways

Deal found 30/6£604

Thu 7/818:25CMB - LHR

2 stops27h 40mSriLankan Airlines

Thu 28/806:30LHR - CMB

2 stops25h 55mSriLankan Airlines

Deal found 30/6£628

Last-minute flights from Sri Lanka to Heathrow
Discover last-minute flight deals from Sri Lanka to Heathrow. Data last updated 1 July 2025 and is based on user searches.

Thu 3/721:55CMB - LHR

2 stops27h 25mIndiGo

Wed 30/719:05LHR - CMB

2 stops33h 10mIndiGo

Deal found 28/6£682

Sat 5/716:00CMB - LHR

1 stop22h 45mAir India

Sat 19/713:15LHR - CMB

1 stop37h 35mAir India

Deal found 28/6£550

Sat 5/702:55CMB - LHR

1 stop17h 45mEmirates

Wed 13/819:50LHR - CMB

1 stop21h 50mEmirates

Deal found 29/6£762

Sun 6/717:25CMB - LHR

2 stops26h 25mGulf Air

Wed 13/822:05LHR - CMB

2 stops30h 55mGulf Air

Deal found 29/6£653

Sun 6/716:00CMB - LHR

1 stop32h 00mMultiple Airlines

Wed 13/816:40LHR - CMB

2 stops35h 35mMultiple Airlines

Deal found 29/6£665

Sun 6/713:05CMB - LHR

Nonstop11h 25mSriLankan Airlines

Wed 13/821:30LHR - CMB

Nonstop10h 45mSriLankan Airlines

Deal found 29/6£977

Sun 13/716:00CMB - LHR

1 stop22h 45mAir India

Sun 14/913:15LHR - CMB

1 stop13h 35mAir India

Deal found 30/6£545

Sun 13/718:25CMB - LHR

2 stops31h 00mSriLankan Airlines

Sun 14/920:55LHR - CMB

2 stops35h 30mSriLankan Airlines

Deal found 30/6£628

Sun 13/702:05CMB - LHR

1 stop21h 05mEmirates

Wed 10/909:05LHR - CMB

1 stop27h 00mEmirates

Deal found 29/6£647

Mon 14/717:25CMB - LHR

2 stops18h 00mGulf Air

Wed 10/910:00LHR - CMB

2 stops19h 00mGulf Air

Deal found 29/6£585

Tue 22/703:35CMB - LHR

1 stop14h 10mBritish Airways

Mon 27/1008:05LHR - CMB

1 stop13h 10mBritish Airways

Deal found 30/6£664

Wed 23/704:05CMB - LHR

1 stop31h 25mEtihad Airways

Mon 3/1113:55LHR - CMB

1 stop24h 55mEtihad Airways

Deal found 30/6£556

One-way flights from Sri Lanka to Heathrow
Search for one-way flight options from Sri Lanka to Heathrow. Find affordable one-way fares based on user searches. Data last updated 1 July 2025.

Sun 27/716:00CMB - LHR

1 stop32h 00mAir India

Deal found 30/6£238

Tue 15/703:55CMB - LHR

3 stops22h 30mMultiple Airlines

Deal found 28/6£244

Thu 27/1104:00CMB - LHR

1 stop19h 55mEtihad Airways

Deal found 28/6£255

Wed 16/703:35CMB - LHR

1 stop15h 05mQatar Airways

Deal found 30/6£278

Thu 17/717:25CMB - LHR

2 stops26h 25mGulf Air

Deal found 30/6£285

Wed 24/921:55CMB - LHR

2 stops23h 15mIndiGo

Deal found 28/6£286

Cheapflights Fare Finder

Use the filters below to find and compare flights from Sri Lanka to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ColomboLondon

CMB - LHR

CMBLHR

Colombo Bandaranaike Intl

Sat 12/7

08:20-19:00

1 stop15h 10m

London Heathrow

Thu 31/7

21:45-07:20

1 stop29h 05m

£545

ColomboLondon

CMB - LHR

CMBLHR

Colombo Bandaranaike Intl

Tue 12/8

16:00-10:15

1 stop22h 45m

London Heathrow

Tue 19/8

08:45-08:30

3 stops19h 15m

£550

ColomboLondon

CMB - LHR

CMBLHR

Colombo Bandaranaike Intl

Wed 23/7

04:05-07:00

1 stop31h 25m

London Heathrow

Mon 3/11

13:55-20:20

1 stop24h 55m

£556

ColomboLondon

CMB - LHR

CMBLHR

Colombo Bandaranaike Intl

Mon 14/7

17:25-06:55

2 stops18h 00m

London Heathrow

Wed 10/9

10:00-09:30

2 stops19h 00m

£585

ColomboLondon

CMB - LHR

CMBLHR

Colombo Bandaranaike Intl

Thu 25/9

03:35-14:10

1 stop15h 05m

London Heathrow

Thu 6/11

13:05-09:45

1 stop15h 10m

£604

ColomboLondon

CMB - LHR

CMBLHR

Colombo Bandaranaike Intl

Thu 7/8

18:25-17:35

2 stops27h 40m

London Heathrow

Thu 28/8

06:30-12:55

2 stops25h 55m

£628

ColomboLondon

CMB - LHR

CMBLHR

Colombo Bandaranaike Intl

Sun 27/7

16:00-19:30

1 stop32h 00m

£238

ColomboLondon

CMB - LHR

CMBLHR

Colombo Bandaranaike Intl

Tue 15/7

03:55-21:55

3 stops22h 30m

£244

ColomboLondon

CMB - LHR

CMBLHR

Colombo Bandaranaike Intl

Thu 27/11

04:00-18:25

1 stop19h 55m

£255

ColomboLondon

CMB - LHR

CMBLHR

Colombo Bandaranaike Intl

Wed 16/7

03:35-14:10

1 stop15h 05m

£278

Flights are sorted by cheapest return flights first.

Deals found on 30/6

Showing 1-10 of 12 results

Best time to book a flight from Sri Lanka to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Sri Lanka 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 Sri Lanka to London Heathrow Airport

What is the cheapest month to book a flight from Sri Lanka to London Heathrow Airport?

Currently, January is the cheapest month in which you can book a flight from Sri Lanka to London Heathrow Airport (average of £112). Flying from Sri Lanka to London Heathrow Airport in August is currently the most expensive (average of £164). 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 LK to LHR?

When flying from Sri Lanka to London Heathrow Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Sri Lanka to London Heathrow Airport

The most flights from LK0 to LHR are scheduled on a Monday (2 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 on average).

Reviews of airlines servicing Heathrow

Read reviews from past customers who have flown with Qatar Airways, Etihad Airways, andGulf Air from Sri Lanka 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

7.4

Good

3,596 reviews

Check prices

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

7.4

Good

3,596 reviews

Qatar Airways

7.4

Good

3,596 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Apr 2025

DOH - KUL

Etihad Airways

7.4

Good

1,224 reviews

Qatar Airways

7.4

Good

3,596 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Apr 2025

DOH - KUL

Gulf Air

7.1

Good

200 reviews

Qatar Airways

7.4

Good

3,596 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Apr 2025

DOH - KUL

SriLankan Airlines

6.8

Okay

74 reviews

Qatar Airways

7.4

Good

3,596 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Apr 2025

DOH - KUL

IndiGo

6.8

Okay

478 reviews

Qatar Airways

7.4

Good

3,596 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Apr 2025

DOH - KUL

Related info for your journey

What are the cheapest airlines to fly from Sri Lanka to London Heathrow Airport one-way?
£238 is the cheapest one-way deal found within the past few days, from Air India. You may also be able to find cheap deals on Etihad Airways and Qatar Airways, with prices starting from £255 and £278, respectively.
What are the cheapest flights from Sri Lanka to London Heathrow Airport?
On average you can expect to pay £1,417 for a flight from Sri Lanka to London Heathrow Airport. The cheapest flight overall is £347 while the most popular route, (Colombo Bandaranaike Intl - London Heathrow) is currently priced at £515.
Can I find deals for flights from Sri Lanka to Heathrow that include hotel bookings?
Yes. In addition to deals on Sri Lanka to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Sri Lanka to Heathrow?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sri Lanka to Heathrow.
Can I find deals for business class flights from Sri Lanka to Heathrow?
Yes. Cheapflights offers flight deals from Sri Lanka 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 Sri Lanka to London Heathrow Airport?
Currently, January is the cheapest month in which you can book a flight from Sri Lanka to London Heathrow Airport (average of £112). Flying from Sri Lanka to London Heathrow Airport in August is currently the most expensive (average of £164). 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

Croydon

Milton Keynes

Hounslow

Deal

Northampton

Gatwick

Slough

Luton

Wembley

Crawley

Eastbourne

Ilford

Watford

Southend-on-Sea

Folkestone

Ipswich

Winchester

Hayes

Maidstone

Swindon

Browse thousands of different options on Cheapflights for your next trip

Top 9 airlines flying from Sri Lanka to Heathrow

Airline	Cheapest	Average	Flexibility	On-time
Gulf Air	Cheapest£323	Average£624	FlexibilityNo cancel fee	On-time67%	Search Gulf Air flights
Air India	Cheapest£448	Average£588	FlexibilityNo cancel fee	On-timeN/A	Search Air India flights
Etihad Airways	Cheapest£490	Average£577	FlexibilityNo cancel fee	On-time75%	Search Etihad Airways flights
Qatar Airways	Cheapest£507	Average£668	FlexibilityNo cancel fee	On-time68%	Search Qatar Airways flights
China Eastern	Cheapest£551	Average£562	FlexibilityNo cancel fee	On-time62%	Search China Eastern flights
British Airways	Cheapest£560	Average£708	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Turkish Airlines	Cheapest£590	Average£672	FlexibilityNo cancel fee	On-time77%	Search Turkish Airlines flights
Emirates	Cheapest£607	Average£692	FlexibilityNo cancel fee	On-time75%	Search Emirates flights
SriLankan Airlines	Cheapest£674	Average£959	FlexibilityNo cancel fee	On-time68%	Search SriLankan Airlines flights

Fly with Cheapflights

How does Cheapflights help users find flights from Sri Lanka to Heathrow?

Cheapflights helps you search for flights from Sri Lanka to Heathrow via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

Cheapflights helps you find that perfect flight to Heathrow from Sri Lanka 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 Sri Lanka to Heathrow with no change fees?

Need flexible booking options for your flight to Heathrow from Sri Lanka? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes, Cheapflights offers price alerts on Sri Lanka to Heathrow flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from Sri Lanka to London Heathrow Airport from £238

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 27/7. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Sri Lanka to Heathrow

Keep the following information in mind while searching for Sri Lanka to Heathrow flight deals. Data was last updated 1 July 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Sri Lanka to Heathrow

Cheapest flights from Sri Lanka to HeathrowExplore the most affordable flight options available from Sri Lanka to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 July 2025.

Explore the most affordable flight options available from Sri Lanka to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 July 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Sri Lanka to London Heathrow Airport that are best for you.

Best time to book a flight from Sri Lanka to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Sri Lanka with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Sri Lanka to London Heathrow Airport

What is the cheapest month to book a flight from Sri Lanka to London Heathrow Airport?

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

Find hourly flight availability from Sri Lanka 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 2025.

Weekly flight availability from Sri Lanka to London Heathrow Airport

Explore weekly flight availability from Sri Lanka to Heathrow. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 1 July 2025.

Reviews of airlines servicing Heathrow

Related info for your journey

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

What are the cheapest airlines to fly from Sri Lanka to London Heathrow Airport one-way?

What are the cheapest flights from Sri Lanka to London Heathrow Airport?

Can I find deals for flights from Sri Lanka to Heathrow that include hotel bookings?

How can I find direct flights from Sri Lanka to Heathrow?

Can I find deals for business class flights from Sri Lanka to Heathrow?

What is the cheapest month to book a flight from Sri Lanka to London Heathrow Airport?

Travelling to a place near Sri Lanka?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Sri Lanka to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.

Top 9 airlines flying from Sri Lanka to Heathrow

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 Sri Lanka to Heathrow?

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

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

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

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Cheapest flights from Sri Lanka to Heathrow
Explore the most affordable flight options available from Sri Lanka to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 July 2025.