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Cheap flights from Sri Lanka to London Heathrow Airport from £290

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 4/6. Fares are subject to change and may not be available on all flights or dates of travel.
CMB — LHR
24 May — 31 May1
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 24 April 2026.

Thu 4/621:50
CMB
-
LHR
1 stop13h 40m
Etihad Airways
Thu 11/620:50
LHR
-
CMB
1 stop19h 15m
Etihad Airways
Deal found 20/4£525
Thu 7/510:00
CMB
-
LHR
1 stop13h 15m
Etihad Airways
Sat 16/520:45
LHR
-
CMB
1 stop13h 40m
Etihad Airways
Deal found 20/4£526
Sat 16/504:10
CMB
-
LHR
1 stop13h 05m
Etihad Airways
Mon 25/521:45
LHR
-
CMB
1 stop12h 40m
Etihad Airways
Deal found 21/4£526
Mon 18/521:50
CMB
-
LHR
1 stop13h 40m
Etihad Airways
Sun 7/621:45
LHR
-
CMB
1 stop12h 40m
Etihad Airways
Deal found 20/4£527
Fri 8/510:00
CMB
-
LHR
1 stop13h 15m
Etihad Airways
Mon 18/520:45
LHR
-
CMB
1 stop13h 40m
Etihad Airways
Deal found 20/4£529
Thu 18/604:10
CMB
-
LHR
1 stop13h 05m
Etihad Airways
Sat 26/914:45
LHR
-
CMB
1 stop13h 20m
Etihad Airways
Deal found 19/4£530
Sat 9/516:20
CMB
-
LHR
1 stop19h 10m
Etihad Airways
Mon 21/921:45
LHR
-
CMB
1 stop18h 20m
Etihad Airways
Deal found 20/4£531
Tue 2/616:20
CMB
-
LHR
1 stop19h 10m
Etihad Airways
Mon 21/921:45
LHR
-
CMB
1 stop24h 45m
Etihad Airways
Deal found 19/4£532
Thu 14/516:20
CMB
-
LHR
1 stop19h 10m
Etihad Airways
Mon 25/521:45
LHR
-
CMB
1 stop12h 40m
Etihad Airways
Deal found 20/4£532
Thu 2/720:20
CMB
-
LHR
1 stop16h 10m
Qatar Airways
Thu 20/818:55
LHR
-
CMB
1 stop17h 25m
Qatar Airways
Deal found 20/4£534
Mon 1/603:50
CMB
-
LHR
1 stop14h 45m
Qatar Airways
Tue 30/615:05
LHR
-
CMB
1 stop14h 05m
Qatar Airways
Deal found 21/4£535

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 24 April 2026.

Round-trip from

£525

One-way from

£290

Popular in

March

Cheapest in

October

Average price

£755

Good round-trip deal

£950 or less

Good one-way deal

£456 or less
Etihad Airways
  • Etihad Airways
  • 4/6-11/6
  • 2 total stops
  • 32h 55m total
  • Sri Lanka to London
Search Deals
Air India
  • Air India
  • 4/6
  • 1 total stop
  • 17h 15m total
  • Sri Lanka to London
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (£25 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 April 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 24 April 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 - LHR

CMBLHR

Colombo Bandaranaike Intl

Tue 2/6

16:20-07:00

1 stop19h 10m

London Heathrow

Mon 21/9

21:45-03:00

1 stop24h 45m

£532

ColomboLondon

CMB - LHR

CMBLHR

Colombo Bandaranaike Intl

Mon 1/6

03:50-14:05

1 stop14h 45m

London Heathrow

Tue 30/6

15:05-09:40

1 stop14h 05m

£535
Fastest return journey

ColomboLondon

CMB - LHR

CMBLHR

Colombo Bandaranaike Intl

Thu 17/9

10:30-20:25

1 stop14h 25m

London Heathrow

Thu 24/9

09:30-03:05

1 stop13h 05m

£558

ColomboLondon

CMB - LHR

CMBLHR

Colombo Bandaranaike Intl

Thu 21/5

17:20-15:20

2 stops26h 30m

London Heathrow

Sat 6/6

22:05-09:40

2 stops31h 05m

£560

ColomboLondon

CMB - LHR

CMBLHR

Colombo Bandaranaike Intl

Sat 23/5

20:00-06:25

1 stop14h 55m

London Heathrow

Sat 6/6

19:25-16:50

1 stop16h 55m

£563

ColomboLondon

CMB - LHR

CMBLHR

Colombo Bandaranaike Intl

Tue 2/6

21:50-07:00

1 stop13h 40m

London Heathrow

Sat 3/10

21:45-20:35

1 stop18h 20m

£568

ColomboLondon

CMB - LHR

CMBLHR

Colombo Bandaranaike Intl

Tue 16/6

16:20-12:45

1 stop24h 55m

London Heathrow

Sat 20/6

20:50-20:35

1 stop19h 15m

£569

ColomboLondon

CMB - LHR

CMBLHR

Colombo Bandaranaike Intl

Mon 18/5

17:20-06:55

2 stops18h 05m

London Heathrow

Sun 7/6

22:05-09:40

2 stops31h 05m

£571

ColomboLondon

CMB - LHR

CMBLHR

Colombo Bandaranaike Intl

Mon 8/6

17:20-15:20

2 stops26h 30m

London Heathrow

Sun 21/6

10:00-09:40

2 stops19h 10m

£584

ColomboLondon

CMB - LHR

CMBLHR

Colombo Bandaranaike Intl

Sun 10/5

17:20-06:55

2 stops18h 05m

London Heathrow

Thu 25/6

10:00-09:40

2 stops19h 10m

£609

Flights are sorted by cheapest return flights first.

Deals found on 23/4

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

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 42 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.

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

Currently, June is the cheapest month in which you can book a flight from Sri Lanka to London Heathrow Airport (average of £261). Flying from Sri Lanka to London Heathrow Airport in February is currently the most expensive (average of £547). 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 24 April 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 24 April 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 16% of weekly flights between Sri Lanka and London have experienced delays in the past year, with the average delay time being 112 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 in the morning 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 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 24 April 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
3,560 reviews
Check prices

Boarding

8.1

Entertainment

8.2

Crew

8.3

Comfort

8.0

Overall

8.1

Food

7.9

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2026

DXB - YUL

My mom came with assistance and she said it was a good trip
Emirates
8.1
Very Good
3,560 reviews
Emirates
8.1
Very Good
3,560 reviews
Check prices

Boarding

8.1

Entertainment

8.2

Crew

8.3

Comfort

8.0

Overall

8.1

Food

7.9

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2026

DXB - YUL

My mom came with assistance and she said it was a good trip
Qatar Airways
7.4
Good
3,729 reviews
Emirates
8.1
Very Good
3,560 reviews
Check prices

Boarding

8.1

Entertainment

8.2

Crew

8.3

Comfort

8.0

Overall

8.1

Food

7.9

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2026

DXB - YUL

My mom came with assistance and she said it was a good trip
Etihad Airways
7.3
Good
1,434 reviews
Emirates
8.1
Very Good
3,560 reviews
Check prices

Boarding

8.1

Entertainment

8.2

Crew

8.3

Comfort

8.0

Overall

8.1

Food

7.9

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2026

DXB - YUL

My mom came with assistance and she said it was a good trip
SriLankan Airlines
6.8
Okay
82 reviews
Emirates
8.1
Very Good
3,560 reviews
Check prices

Boarding

8.1

Entertainment

8.2

Crew

8.3

Comfort

8.0

Overall

8.1

Food

7.9

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2026

DXB - YUL

My mom came with assistance and she said it was a good trip
British Airways
6.7
Okay
7,910 reviews
Emirates
8.1
Very Good
3,560 reviews
Check prices

Boarding

8.1

Entertainment

8.2

Crew

8.3

Comfort

8.0

Overall

8.1

Food

7.9

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2026

DXB - YUL

My mom came with assistance and she said it was a good trip

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 18h 05m. Fly via Qatar Airways, Gulf Air, or Etihad 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?

    £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 £216 and £252, respectively.

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

    On average you can expect to pay £887 for a flight from Sri Lanka to London Heathrow Airport. The cheapest flight overall is £363 while the most popular route, (Colombo Bandaranaike Intl - London Heathrow) is currently priced at £534.

  • 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, June is the cheapest month in which you can book a flight from Sri Lanka to London Heathrow Airport (average of £261). Flying from Sri Lanka to London Heathrow Airport in February is currently the most expensive (average of £547). 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
Wembley
Croydon
Hounslow
Northampton
Luton
Gatwick
Ilford
Slough
Hayes
Brentford
Colchester
Watford
Kingston upon Thames
Romford
Eastbourne
Swindon
Ipswich
Southend-on-Sea
Guildford

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 24 April 2026.
AirlineCheapestAverageFlexibilityOn-time
Etihad AirwaysCheapest£395Average£625FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Air IndiaCheapest£527Average£622FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
Qatar AirwaysCheapest£539Average£653FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
British AirwaysCheapest£552Average£639FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Turkish AirlinesCheapest£589Average£676FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
EmiratesCheapest£640Average£716FlexibilityNo cancel feeOn-time75%
Search Emirates flights
SriLankan AirlinesCheapest£672Average£902FlexibilityNo 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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