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Cheap flights from Sri Lanka to London Heathrow Airport from £271

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 6/6. Fares are subject to change and may not be available on all flights or dates of travel.
CMB — LHR
2 Apr — 9 Apr1
1 adult

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 28 March 2025.

Round-trip from

£577

One-way from

£272

Popular in

August

Cheapest in

November

Average price

£693

Good round-trip deal

£789 or less

Good one-way deal

£491 or less
11/5-18/5
  • 11/5-18/5
  • 4 total stops
  • 56h 05m total
  • Sri Lanka to London
Etihad Airways
  • Etihad Airways
  • 13/5
  • 1 total stop
  • 19h 00m total
  • Sri Lanka to London
Highest demand for flights based on searches. 6% potential increase in price (£37 potential increase over avg. return price).
Cheapest flight prices on average. 1% potential price decrease (£8 potential savings vs. average return price).
Average for round-trip flights in March 2025
Price to beat on a round-trip flight from Sri Lanka to London Heathrow.
Price to beat on a one-way flight from Sri Lanka to London Heathrow.

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 28 March 2025.

Sun 11/504:05CMB - LHR
2 stops31h 55mMultiple Airlines
Sun 18/522:10LHR - CMB
2 stops24h 10mMultiple Airlines
Deal found 27/3£577
Tue 17/609:50CMB - LHR
1 stop13h 25mEtihad Airways
Fri 29/809:30LHR - CMB
1 stop18h 30mEtihad Airways
Deal found 27/3£581
Thu 8/504:35CMB - LHR
1 stop13h 15mQatar Airways
Thu 15/519:25LHR - CMB
1 stop26h 10mQatar Airways
Deal found 27/3£591
Thu 31/708:20CMB - LHR
1 stop15h 10mAir India
Mon 25/813:15LHR - CMB
1 stop22h 20mAir India
Deal found 27/3£592
Mon 22/1203:25CMB - LHR
1 stop16h 10mBritish Airways
Sun 11/115:30LHR - CMB
1 stop12h 15mBritish Airways
Deal found 27/3£594
Sun 11/506:45CMB - LHR
1 stop14h 25mTurkish Airlines
Sun 18/522:25LHR - CMB
1 stop26h 20mTurkish Airlines
Deal found 26/3£608
Tue 17/617:25CMB - LHR
2 stops26h 25mGulf Air
Wed 27/810:00LHR - CMB
2 stops19h 00mGulf Air
Deal found 27/3£628
Thu 8/522:05CMB - LHR
1 stop13h 30mEmirates
Thu 15/522:15LHR - CMB
2 stops15h 45mEmirates
Deal found 27/3£663
Wed 7/513:05CMB - LHR
Nonstop11h 25mSriLankan Airlines
Tue 20/521:30LHR - CMB
Nonstop10h 45mSriLankan Airlines
Deal found 27/3£664
Sun 27/700:50CMB - LHR
1 stop19h 25mSingapore Airlines
Thu 30/1022:05LHR - CMB
1 stop19h 55mSingapore Airlines
Deal found 27/3£711
Fri 20/612:50CMB - LHR
2 stops30h 45mIndiGo
Sat 30/811:20LHR - CMB
2 stops20h 00mIndiGo
Deal found 27/3£721

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 28 March 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

Sun 11/5

04:05-07:30

2 stops31h 55m

London Heathrow

Sun 18/5

22:10-02:50

2 stops24h 10m

£577

ColomboLondon

CMB - LHR

CMBLHR

Colombo Bandaranaike Intl

Tue 17/6

09:50-18:45

1 stop13h 25m

London Heathrow

Fri 29/8

09:30-08:30

1 stop18h 30m

£581

ColomboLondon

CMB - LHR

CMBLHR

Colombo Bandaranaike Intl

Thu 8/5

04:35-13:20

1 stop13h 15m

London Heathrow

Thu 15/5

19:25-02:05

1 stop26h 10m

£591

ColomboLondon

CMB - LHR

CMBLHR

Colombo Bandaranaike Intl

Thu 31/7

08:20-19:00

1 stop15h 10m

London Heathrow

Mon 25/8

13:15-16:05

1 stop22h 20m

£592

ColomboLondon

CMB - LHR

CMBLHR

Colombo Bandaranaike Intl

Sun 11/5

06:45-16:40

1 stop14h 25m

London Heathrow

Sun 18/5

22:25-05:15

1 stop26h 20m

£608

ColomboLondon

CMB - LHR

CMBLHR

Colombo Bandaranaike Intl

Tue 6/5

03:35-13:15

1 stop14h 10m

London Heathrow

Tue 20/5

21:25-17:45

1 stop15h 50m

£616

ColomboLondon

CMB - LHR

CMBLHR

Colombo Bandaranaike Intl

Tue 17/6

17:25-15:20

2 stops26h 25m

London Heathrow

Wed 27/8

10:00-09:30

2 stops19h 00m

£628

ColomboLondon

CMB - LHR

CMBLHR

Colombo Bandaranaike Intl

Thu 8/5

22:05-07:05

1 stop13h 30m

London Heathrow

Thu 15/5

22:15-18:30

2 stops15h 45m

£663

ColomboLondon

CMB - LHR

CMBLHR

Colombo Bandaranaike Intl

Wed 7/5

13:05-20:00

Nonstop11h 25m

London Heathrow

Tue 20/5

21:30-12:45

Nonstop10h 45m

£664

ColomboLondon

CMB - LHR

CMBLHR

Colombo Bandaranaike Intl

Sun 27/7

00:50-15:45

1 stop19h 25m

London Heathrow

Thu 30/10

22:05-23:30

1 stop19h 55m

£711

Flights are sorted by cheapest return flights first.

Deals found on 28/3

Showing 1-10 of 23 results
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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?

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 28 March 2025.

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.

Rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average rainfall totals by month.

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.

Temperature in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature totals by month.

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).

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 28 March 2025.
Read through reviews of airlines operating flights from Sri Lanka to London, such as Singapore Airlines, Emirates and Thai Airways. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

7.7

Boarding

8.2

Crew

8.6

Entertainment

8.0

Comfort

7.9

Overall

8.1

Reviews

1 / 20
2.0
Mediocre

Ketan,Nov 2024

SIN - AMD

Food was not good. It was like few days old.

Food

7.7

Boarding

8.2

Crew

8.6

Entertainment

8.0

Comfort

7.9

Overall

8.1

Reviews

1 / 20
2.0
Mediocre

Ketan,Nov 2024

SIN - AMD

Food was not good. It was like few days old.

Food

7.7

Boarding

8.2

Crew

8.6

Entertainment

8.0

Comfort

7.9

Overall

8.1

Reviews

1 / 20
2.0
Mediocre

Ketan,Nov 2024

SIN - AMD

Food was not good. It was like few days old.

Food

7.7

Boarding

8.2

Crew

8.6

Entertainment

8.0

Comfort

7.9

Overall

8.1

Reviews

1 / 20
2.0
Mediocre

Ketan,Nov 2024

SIN - AMD

Food was not good. It was like few days old.

Food

7.7

Boarding

8.2

Crew

8.6

Entertainment

8.0

Comfort

7.9

Overall

8.1

Reviews

1 / 20
2.0
Mediocre

Ketan,Nov 2024

SIN - AMD

Food was not good. It was like few days old.

Food

7.7

Boarding

8.2

Crew

8.6

Entertainment

8.0

Comfort

7.9

Overall

8.1

Reviews

1 / 20
2.0
Mediocre

Ketan,Nov 2024

SIN - AMD

Food was not good. It was like few days old.

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?

    £272 is the cheapest one-way deal found within the past few days, from Etihad Airways. You may also be able to find cheap deals on Air India and Qatar Airways, with prices starting from £281 and £295, respectively.

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

    On average you can expect to pay £1,070 for a flight from Sri Lanka to London Heathrow Airport. The cheapest flight overall is £395 while the most popular route, (Colombo Bandaranaike Intl - London Heathrow) is currently priced at £502.

  • 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

Travelling to a place near Sri Lanka?

Book flights to Sri Lanka if you plan to visit one of these locations
Hounslow
Deal
Milton Keynes
Gatwick
Croydon
Luton
Slough
Eastbourne
Wembley
Northampton
Swindon
Hayes
Ilford
Crawley
Southend-on-Sea
Winchester
Maidstone
Ipswich
Watford
Southall

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

Discover the top 9 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 28 March 2025.
AirlineCheapestAverageFlexibilityOn-time
Air IndiaCheapest£260Average£725FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
Gulf AirCheapest£342Average£711FlexibilityNo cancel feeOn-time67%
Search Gulf Air flights
Etihad AirwaysCheapest£523Average£636FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Qatar AirwaysCheapest£549Average£745FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
China EasternCheapest£581Average£597FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
British AirwaysCheapest£625Average£868FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Turkish AirlinesCheapest£636Average£714FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
EmiratesCheapest£644Average£783FlexibilityNo cancel feeOn-time75%
Search Emirates flights
SriLankan AirlinesCheapest£741Average£1,054FlexibilityNo 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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