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Cheap flights from Sri Lanka to London Heathrow Airport from £263

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 21/12. Fares are subject to change and may not be available on all flights or dates of travel.
CMB — LHR
8 Jan — 15 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Sri Lanka to Heathrow

Enter your travel dates to find the best prices.

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 9 December 2025.

Sat 13/1216:00CMB - LHR
1 stop32h 25mAir India
Sat 10/122:00LHR - CMB
1 stop36h 35mAir India
Deal found 8/12£617
Tue 23/1216:00CMB - LHR
1 stop24h 35mAir India
Fri 2/113:30LHR - CMB
1 stop20h 00mAir India
Deal found 8/12£628
Sat 13/1216:00CMB - LHR
1 stop24h 35mAir India
Mon 29/1220:30LHR - CMB
1 stop30h 40mAir India
Deal found 7/12£646
Tue 30/1216:00CMB - LHR
1 stop24h 35mAir India
Sat 31/121:05LHR - CMB
1 stop28h 45mAir India
Deal found 9/12£652
Sat 13/1216:55CMB - LHR
2 stops19h 10mGulf Air
Sat 10/121:50LHR - CMB
2 stops30h 25mGulf Air
Deal found 7/12£667
Mon 22/1217:05CMB - LHR
2 stops20h 30mMultiple Airlines
Wed 31/1208:30LHR - CMB
2 stops16h 15mMultiple Airlines
Deal found 8/12£674
Tue 23/1203:00CMB - LHR
2 stops23h 00mMultiple Airlines
Tue 30/1213:30LHR - CMB
2 stops17h 45mMultiple Airlines
Deal found 7/12£684
Mon 22/1220:15CMB - LHR
2 stops16h 25mEmirates
Wed 31/1222:35LHR - CMB
1 stop17h 50mEmirates
Deal found 8/12£694
Wed 24/1209:55CMB - LHR
1 stop15h 35mEmirates
Tue 30/1219:00LHR - CMB
2 stops17h 55mEmirates
Deal found 7/12£705
Sat 20/1209:50CMB - LHR
1 stop31h 45mEtihad Airways
Fri 26/1208:50LHR - CMB
1 stop12h 30mEtihad Airways
Deal found 7/12£715

Find 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 9 December 2025.

Round-trip from

£612

One-way from

£263

Popular in

April

Cheapest in

October

Average price

£666

Good round-trip deal

£661 or less

Good one-way deal

£340 or less
Air India
  • Air India
  • 9/4-22/5
  • 2 total stops
  • 50h 50m total
  • Sri Lanka to London
Search Deals
21/12
  • 21/12
  • 3 total stops
  • 22h 50m total
  • Sri Lanka to London
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (£6 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£7 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 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

Cheapflights Fare Finder

 
Customise your flight search to find flights from Sri Lanka 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 858,174 searches. Data last updated 9 December 2025.
Use the filters below to find and compare flights from Sri Lanka to London Heathrow Airport that are best for you.

Fly from

Sri Lanka

Fly to

Heathrow

Route

Depart

Return

Price

ColomboLondon

CMB - LHR

CMBLHR

Colombo Bandaranaike Intl

Mon 23/3

09:50-14:30

1 stop34h 10m

London Heathrow

Fri 10/4

21:45-15:25

1 stop13h 10m

£620

ColomboLondon

CMB - LHR

CMBLHR

Colombo Bandaranaike Intl

Tue 23/12

16:00-11:05

1 stop24h 35m

London Heathrow

Fri 2/1

13:30-15:00

1 stop20h 00m

£628

ColomboLondon

CMB - LHR

CMBLHR

Colombo Bandaranaike Intl

Fri 27/3

02:45-13:45

1 stop16h 30m

London Heathrow

Sun 5/4

11:45-08:20

1 stop16h 05m

£641

ColomboLondon

CMB - LHR

CMBLHR

Colombo Bandaranaike Intl

Wed 28/1

09:50-14:30

1 stop34h 10m

London Heathrow

Mon 2/2

20:55-20:20

1 stop17h 55m

£642

ColomboLondon

CMB - LHR

CMBLHR

Colombo Bandaranaike Intl

Tue 27/1

09:50-14:30

1 stop34h 10m

London Heathrow

Mon 2/2

20:55-20:20

1 stop17h 55m

£642

ColomboLondon

CMB - LHR

CMBLHR

Colombo Bandaranaike Intl

Wed 28/1

04:00-14:30

1 stop16h 00m

London Heathrow

Mon 2/2

20:55-20:20

1 stop17h 55m

£642

ColomboLondon

CMB - LHR

CMBLHR

Colombo Bandaranaike Intl

Sat 24/1

09:50-14:30

1 stop34h 10m

London Heathrow

Mon 2/2

20:55-20:20

1 stop17h 55m

£642

ColomboLondon

CMB - LHR

CMBLHR

Colombo Bandaranaike Intl

Sun 25/1

16:30-12:05

1 stop25h 05m

London Heathrow

Mon 2/2

20:55-20:20

1 stop17h 55m

£642

ColomboLondon

CMB - LHR

CMBLHR

Colombo Bandaranaike Intl

Fri 13/3

15:55-14:45

2 stops28h 20m

London Heathrow

Mon 16/3

21:50-09:35

2 stops30h 15m

£652

ColomboLondon

CMB - LHR

CMBLHR

Colombo Bandaranaike Intl

Thu 22/1

22:15-17:45

1 stop25h 00m

London Heathrow

Thu 29/1

09:30-09:45

2 stops18h 45m

£655

Flights are sorted by cheapest return flights first.

Deals found on 8/12

Showing 1-10 of 21 results
1
2
3

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, December is the cheapest month in which you can book a flight from Sri Lanka to London Heathrow Airport (average of £518). Flying from Sri Lanka to London Heathrow Airport in August is currently the most expensive (average of £607). 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?

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 9 December 2025.

A simple way to save on the total cost of your ticket is to fly from Sri Lanka to London Heathrow Airport in the afternoon. If you’re flexible enough to do this you can expect to save up to 30% on your trip compared to booking a flight in the morning.

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

Use this chart to determine the cheapest time to fly return from Sri Lanka to Heathrow. Price data was last updated on 6 December 2025.

Travellers seeking maximum savings on their Sri Lanka to London Heathrow Airport flight should consider departing on Monday afternoons when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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 9 December 2025.

The most flights from LK0 to LHR are scheduled on a Saturday (4 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 on average).

How often are flights from Sri Lanka to London delayed?

About 15% of weekly flights between Sri Lanka and London have experienced delays in the past year, with the average delay time being 130 minutes.

What is the most punctual flight time for Sri Lanka to London flights?

Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Monday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Sri Lanka to London flights?

Over the past year, SriLankan Airlines have had the lowest number of delays on this route, with just 15% of flights being delayed.

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 9 December 2025.
Read reviews from past customers who have flown with Emirates, Qatar Airways, andEtihad Airways 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.
Emirates
8.1
Very Good
3,432 reviews
Check prices

Boarding

8.1

Food

7.9

Comfort

8.0

Entertainment

8.2

Overall

8.1

Crew

8.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

DXB - MAN

A380 is best airplane in the world for long haul flights. And Emirates one of the top airlines.
Emirates
8.1
Very Good
3,432 reviews
Emirates
8.1
Very Good
3,432 reviews
Check prices

Boarding

8.1

Food

7.9

Comfort

8.0

Entertainment

8.2

Overall

8.1

Crew

8.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

DXB - MAN

A380 is best airplane in the world for long haul flights. And Emirates one of the top airlines.
Qatar Airways
7.4
Good
3,676 reviews
Emirates
8.1
Very Good
3,432 reviews
Check prices

Boarding

8.1

Food

7.9

Comfort

8.0

Entertainment

8.2

Overall

8.1

Crew

8.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

DXB - MAN

A380 is best airplane in the world for long haul flights. And Emirates one of the top airlines.
Etihad Airways
7.4
Good
1,330 reviews
Emirates
8.1
Very Good
3,432 reviews
Check prices

Boarding

8.1

Food

7.9

Comfort

8.0

Entertainment

8.2

Overall

8.1

Crew

8.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

DXB - MAN

A380 is best airplane in the world for long haul flights. And Emirates one of the top airlines.
SriLankan Airlines
6.9
Okay
76 reviews
Emirates
8.1
Very Good
3,432 reviews
Check prices

Boarding

8.1

Food

7.9

Comfort

8.0

Entertainment

8.2

Overall

8.1

Crew

8.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

DXB - MAN

A380 is best airplane in the world for long haul flights. And Emirates one of the top airlines.
British Airways
6.7
Okay
7,569 reviews
Emirates
8.1
Very Good
3,432 reviews
Check prices

Boarding

8.1

Food

7.9

Comfort

8.0

Entertainment

8.2

Overall

8.1

Crew

8.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

DXB - MAN

A380 is best airplane in the world for long haul flights. And Emirates one of the top airlines.

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.

  • How long is the flight from Sri Lanka to London Heathrow Airport?

    There are many flights that can get you from Sri Lanka to London Heathrow Airport in 16h 30m. Fly via Etihad Airways, Air India, or Kuwait Airways to get the fastest option. The distance between Sri Lanka and London Heathrow Airport is about 5412 mi. Both multi-stop and direct flights can be found to your destination and back.

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

    £219 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 £258, respectively.

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

    On average you can expect to pay £580 for a flight from Sri Lanka to London Heathrow Airport. The cheapest flight overall is £334 while the most popular route, (Colombo Bandaranaike Intl - London Heathrow) is currently priced at £541.

  • 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, December is the cheapest month in which you can book a flight from Sri Lanka to London Heathrow Airport (average of £518). Flying from Sri Lanka to London Heathrow Airport in August is currently the most expensive (average of £607). 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
Milton Keynes
Croydon
Slough
Northampton
Hounslow
Luton
Gatwick
Wembley
Ilford
Brentford
Colchester
Watford
Hayes
Crawley
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Swindon
Deal
Bedford
Romford
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Alternative routes for Sri Lanka to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
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Top 7 airlines flying from Sri Lanka to Heathrow

Discover the top 7 airlines that operate flights from Sri Lanka 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 858,174 searches. Data last updated 9 December 2025.
AirlineCheapestAverageFlexibilityOn-time
Etihad AirwaysCheapest£506Average£634FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Air IndiaCheapest£533Average£607FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
Qatar AirwaysCheapest£545Average£676FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
British AirwaysCheapest£576Average£676FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Turkish AirlinesCheapest£589Average£683FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
EmiratesCheapest£624Average£705FlexibilityNo cancel feeOn-time75%
Search Emirates flights
SriLankan AirlinesCheapest£685Average£927FlexibilityNo 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 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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