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Cheap flights from Sri Lanka to London Heathrow Airport from £261

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 21/10. Fares are subject to change and may not be available on all flights or dates of travel.
CMB — LHR
15 Sep — 22 Sep1
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 16 August 2026.

Fri 9/1004:10 -
1 stop13h 05m
Sun 25/1020:55 -
1 stop24h 25m
Deal found 13/8£558
Wed 30/904:10 -
1 stop15h 25m
Wed 7/1021:45 -
1 stop24h 45m
Deal found 16/8£558
Fri 18/904:10 -
1 stop19h 05m
Mon 16/1119:20 -
1 stop26h 00m
Deal found 14/8£560
Mon 14/921:50 -
1 stop25h 25m
Tue 13/1021:45 -
1 stop24h 45m
Deal found 12/8£561
Thu 8/1004:10 -
1 stop15h 25m
Sat 24/1014:45 -
1 stop12h 55m
Deal found 15/8£562
Sun 18/1017:20 -
2 stops18h 05m
Sat 21/1121:40 -
2 stops30h 35m
Deal found 15/8£567
Thu 24/917:20 -
2 stops26h 30m
Tue 29/922:05 -
2 stops31h 05m
Deal found 13/8£569
Sun 11/1017:20 -
2 stops18h 05m
Sun 15/1109:30 -
2 stops18h 45m
Deal found 15/8£570
Tue 15/921:55 -
1 stop24h 20m
Tue 22/922:05 -
2 stops31h 05m
Deal found 12/8£572
Thu 8/1017:20 -
2 stops18h 05m
Thu 12/1109:30 -
2 stops18h 45m
Deal found 15/8£575

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 16 August 2026.

Round-trip from

£558

One-way from

£261

Popular in

March

Cheapest in

April

Average price

£771

Good round-trip deal

£878 or less

Good one-way deal

£439 or less
Etihad Airways
  • Etihad Airways
  • 9/10-25/10
  • 2 total stops
  • 37h 30m total
  • Sri Lanka to London
Search Deals
Gulf Air
  • Gulf Air
  • 19/10
  • 2 total stops
  • 26h 30m total
  • Sri Lanka to London
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (£5 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£9 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2026
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 16 August 2026.
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

Cheapest return flight

ColomboLondon

CMB Colombo Bandaranaike Intl - LHR London Heathrow

CMBLHR

Colombo Bandaranaike Intl

Sun 11/10

04:10-15:05

1 stop15h 25m

London Heathrow

Sun 15/11

19:20-02:50

1 stop26h 00m

£558
Fastest return journey

ColomboLondon

CMB Colombo Bandaranaike Intl - LHR London Heathrow

CMBLHR

Colombo Bandaranaike Intl

Mon 12/10

16:20-12:45

1 stop24h 55m

London Heathrow

Sun 15/11

20:55-14:50

1 stop12h 25m

£598

ColomboLondon

CMB Colombo Bandaranaike Intl - LHR London Heathrow

CMBLHR

Colombo Bandaranaike Intl

Fri 18/9

17:20-06:55

2 stops18h 05m

London Heathrow

Mon 16/11

21:40-09:45

2 stops30h 35m

£609

ColomboLondon

CMB Colombo Bandaranaike Intl - LHR London Heathrow

CMBLHR

Colombo Bandaranaike Intl

Thu 26/11

21:35-12:05

1 stop20h 00m

London Heathrow

Tue 1/12

19:20-02:50

1 stop26h 00m

£637

ColomboLondon

CMB Colombo Bandaranaike Intl - LHR London Heathrow

CMBLHR

Colombo Bandaranaike Intl

Sat 19/9

17:20-06:55

2 stops18h 05m

London Heathrow

Sat 21/11

21:40-09:45

2 stops30h 35m

£641

ColomboLondon

CMB Colombo Bandaranaike Intl - LHR London Heathrow

CMBLHR

Colombo Bandaranaike Intl

Sun 15/11

04:00-14:30

1 stop16h 00m

London Heathrow

Sat 21/11

19:20-02:50

1 stop26h 00m

£644

ColomboLondon

CMB Colombo Bandaranaike Intl - LHR London Heathrow

CMBLHR

Colombo Bandaranaike Intl

Wed 9/12

21:35-12:05

1 stop20h 00m

London Heathrow

Thu 31/12

20:55-20:15

1 stop17h 50m

£644

ColomboLondon

CMB Colombo Bandaranaike Intl - LHR London Heathrow

CMBLHR

Colombo Bandaranaike Intl

Wed 9/9

17:20-15:20

2 stops26h 30m

London Heathrow

Wed 16/9

22:05-09:40

2 stops31h 05m

£664

ColomboLondon

CMB Colombo Bandaranaike Intl - LHR London Heathrow

CMBLHR

Colombo Bandaranaike Intl

Wed 14/10

17:20-15:20

2 stops26h 30m

London Heathrow

Thu 19/11

09:30-09:45

2 stops18h 45m

£668

ColomboLondon

CMB Colombo Bandaranaike Intl - LHR London Heathrow

CMBLHR

Colombo Bandaranaike Intl

Thu 10/9

17:20-15:20

2 stops26h 30m

London Heathrow

Thu 17/9

22:05-09:40

2 stops31h 05m

£682

Flights are sorted by cheapest return flights first.

Deals found on 12/8

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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, May is the cheapest month in which you can book a flight from Sri Lanka to London Heathrow Airport (average of £613). Flying from Sri Lanka to London Heathrow Airport in January is currently the most expensive (average of £804). 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 16 August 2026.

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

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 16 August 2026.

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).

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 103 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?

Tuesday tends to have the lowest number of delays on this route, whereas Friday 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 14% of flights being delayed.

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

To ensure you get the cheapest price possible for a flight from Sri Lanka to London Heathrow Airport, you should look to book at least 73 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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 16 August 2026.
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
3,653 reviews
Check prices

Entertainment

8.2

Overall

8.1

Boarding

8.2

Crew

8.4

Comfort

8.0

Food

7.9

Reviews

1 / 20
10.0
Excellent

Steven,May 2026

DXB - GLA

Anyone that i had the pleasure of dealing with i found to be courteous well mannered and informative
Emirates
8.1
Very Good
3,653 reviews
Emirates
8.1
Very Good
3,653 reviews
Check prices

Entertainment

8.2

Overall

8.1

Boarding

8.2

Crew

8.4

Comfort

8.0

Food

7.9

Reviews

1 / 20
10.0
Excellent

Steven,May 2026

DXB - GLA

Anyone that i had the pleasure of dealing with i found to be courteous well mannered and informative
Qatar Airways
7.4
Good
3,738 reviews
Emirates
8.1
Very Good
3,653 reviews
Check prices

Entertainment

8.2

Overall

8.1

Boarding

8.2

Crew

8.4

Comfort

8.0

Food

7.9

Reviews

1 / 20
10.0
Excellent

Steven,May 2026

DXB - GLA

Anyone that i had the pleasure of dealing with i found to be courteous well mannered and informative
Etihad Airways
7.3
Good
1,504 reviews
Emirates
8.1
Very Good
3,653 reviews
Check prices

Entertainment

8.2

Overall

8.1

Boarding

8.2

Crew

8.4

Comfort

8.0

Food

7.9

Reviews

1 / 20
10.0
Excellent

Steven,May 2026

DXB - GLA

Anyone that i had the pleasure of dealing with i found to be courteous well mannered and informative
SriLankan Airlines
6.8
Okay
86 reviews
Emirates
8.1
Very Good
3,653 reviews
Check prices

Entertainment

8.2

Overall

8.1

Boarding

8.2

Crew

8.4

Comfort

8.0

Food

7.9

Reviews

1 / 20
10.0
Excellent

Steven,May 2026

DXB - GLA

Anyone that i had the pleasure of dealing with i found to be courteous well mannered and informative
British Airways
6.7
Okay
8,167 reviews
Emirates
8.1
Very Good
3,653 reviews
Check prices

Entertainment

8.2

Overall

8.1

Boarding

8.2

Crew

8.4

Comfort

8.0

Food

7.9

Reviews

1 / 20
10.0
Excellent

Steven,May 2026

DXB - GLA

Anyone that i had the pleasure of dealing with i found to be courteous well mannered and informative

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 15h 25m. Fly via Etihad Airways or Gulf Air 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?

    £209 is the cheapest one-way deal found within the past few days, from IndiGo. You may also be able to find cheap deals on Air India and Etihad Airways, with prices starting from £217 and £238, respectively.

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

    On average you can expect to pay £822 for a flight from Sri Lanka to London Heathrow Airport. The cheapest flight overall is £354 while the most popular route, (Colombo Bandaranaike Intl - London Heathrow) is currently priced at £530.

  • 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, May is the cheapest month in which you can book a flight from Sri Lanka to London Heathrow Airport (average of £613). Flying from Sri Lanka to London Heathrow Airport in January is currently the most expensive (average of £804). 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
Luton
Gatwick
Wembley
Ilford
Slough
Hayes
Croydon
Colchester
Brentford
Eastbourne
Northampton
Watford
Southend-on-Sea
Swindon
Enfield
Kingston upon Thames
Southall
Poole

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.

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 16 August 2026.
AirlineCheapestAverageFlexibilityOn-time
Air IndiaCheapest£263Average£630FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
Etihad AirwaysCheapest£395Average£619FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Qatar AirwaysCheapest£532Average£640FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
Turkish AirlinesCheapest£593Average£777FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
British AirwaysCheapest£601Average£638FlexibilityNo cancel feeOn-time70%
Search British Airways flights
EmiratesCheapest£638Average£746FlexibilityNo cancel feeOn-time75%
Search Emirates flights
SriLankan AirlinesCheapest£663Average£924FlexibilityNo 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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