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Cheap flights from Sri Lanka to London from £258

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Sri Lanka to London departing on 11/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Sri Lanka to London

Recent return flight deals from Sri Lanka to London

Enter your travel dates to find the best prices.
Air India Logo
08:20 - 19:20CMB-LHR
16h 30m1 stop
Air India Logo
22:00 - 18:15LHR-CMB
14h 45m1 stop
£591Air India
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Tue, 3 Mar - Tue, 3 Mar
Qatar Airways Logo
04:15 - 14:00CMB-LHR
15h 15m1 stop
Qatar Airways Logo
09:30 - 03:05LHR-CMB
13h 05m1 stop
£591Qatar Airways
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Thu, 19 Mar - Thu, 9 Apr
Qatar Airways Logo
03:25 - 12:10CMB-LHR
14h 15m1 stop
Qatar Airways Logo
13:50 - 08:45LHR-CMB
13h 25m1 stop
£592Qatar Airways
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Mon, 23 Feb - Sat, 28 Feb
Multiple Airlines Logo
10:15 - 16:00CMB-LHR
35h 15m2 stops
Multiple Airlines Logo
18:05 - 01:55LHR-CMB
50h 20m2 stops
£594Multiple Airlines
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Wed, 3 Dec - Wed, 10 Dec
Etihad Airways Logo
04:00 - 14:30CMB-LHR
16h 00m1 stop
Etihad Airways Logo
08:50 - 15:15LHR-CMB
24h 55m1 stop
£623Etihad Airways
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Thu, 18 Dec - Sun, 4 Jan
Etihad Airways Logo
04:00 - 12:05CMB-LHR
13h 35m1 stop
Etihad Airways Logo
08:50 - 02:50LHR-CMB
12h 30m1 stop
£625Etihad Airways
Find Deal
Tue, 25 Nov - Wed, 3 Dec
SriLankan Airlines Logo
12:50 - 19:10CMB-LHR
11h 50mdirect
SriLankan Airlines Logo
20:40 - 12:30LHR-CMB
10h 20mdirect
£646SriLankan Airlines
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Thu, 13 Nov - Wed, 26 Nov
SriLankan Airlines Logo
12:50 - 19:10CMB-LHR
11h 50mdirect
SriLankan Airlines Logo
20:40 - 12:30LHR-CMB
10h 20mdirect
£647SriLankan Airlines
Find Deal
Thu, 13 Nov - Wed, 26 Nov
British Airways Logo
03:25 - 13:20CMB-LHR
15h 25m1 stop
British Airways Logo
13:50 - 16:30LHR-CMB
21h 10m1 stop
£649British Airways
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Fri, 5 Dec - Sun, 11 Jan
Emirates Logo
02:40 - 13:50CMB-LHR
16h 40m1 stop
Emirates Logo
20:20 - 18:25LHR-CMB
16h 35m2 stops
£675Emirates
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Mon, 23 Feb - Sat, 28 Feb

Air India flights from Sri Lanka to London Heathrow Airport

Our best Air India deals on Sri Lanka to London Heathrow Airport flight tickets
Air India
3 Mar
CMB08:20Colombo Bandaranaike Intl
16h 30m
1 stop
LHR19:20London Heathrow
3 Mar
LHR22:00London Heathrow
14h 45m
1 stop
CMB18:15Colombo Bandaranaike Intl
£591
Find similar
Air India
1 Apr
CMB23:40Colombo Bandaranaike Intl
16h 20m
1 stop
LHR11:30London Heathrow
12 Apr
LHR12:30London Heathrow
12h 40m
1 stop
CMB05:40Colombo Bandaranaike Intl
£596
Find similar
Air India
4 Nov
CMB16:00Colombo Bandaranaike Intl
24h 35m
1 stop
LHR11:05London Heathrow
14 Nov
LHR13:30London Heathrow
20h 00m
1 stop
CMB15:00Colombo Bandaranaike Intl
£637
Find similar

Qatar Airways flights from Sri Lanka to London Heathrow Airport

Our best Qatar Airways deals on Sri Lanka to London Heathrow Airport flight tickets
Qatar Airways
19 Mar
CMB04:15Colombo Bandaranaike Intl
15h 15m
1 stop
LHR14:00London Heathrow
9 Apr
LHR09:30London Heathrow
13h 05m
1 stop
CMB03:05Colombo Bandaranaike Intl
£591
Find similar
Qatar Airways
23 Feb
CMB03:25Colombo Bandaranaike Intl
14h 15m
1 stop
LHR12:10London Heathrow
28 Feb
LHR13:50London Heathrow
13h 25m
1 stop
CMB08:45Colombo Bandaranaike Intl
£592
Find similar
Qatar Airways
3 Nov
CMB04:15Colombo Bandaranaike Intl
15h 15m
1 stop
LHR14:00London Heathrow
14 Nov
LHR08:35London Heathrow
12h 40m
1 stop
CMB02:45Colombo Bandaranaike Intl
£600
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Sri Lanka to London Heathrow Airport 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, momondo users made 279,928 searches. Data last updated 2 November 2025.
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

Tue 3/3

08:20-19:20

1 stop16h 30m

London Heathrow

Tue 3/3

22:00-18:15

1 stop14h 45m

£591

ColomboLondon

CMB - LHR

CMBLHR

Colombo Bandaranaike Intl

Thu 19/3

04:15-14:00

1 stop15h 15m

London Heathrow

Thu 9/4

09:30-03:05

1 stop13h 05m

£591

ColomboLondon

CMB - LHR

CMBLHR

Colombo Bandaranaike Intl

Mon 23/2

03:25-12:10

1 stop14h 15m

London Heathrow

Sat 28/2

13:50-08:45

1 stop13h 25m

£592

ColomboLondon

CMB - LHR

CMBLHR

Colombo Bandaranaike Intl

Wed 3/12

10:15-16:00

2 stops35h 15m

London Heathrow

Wed 10/12

18:05-01:55

2 stops50h 20m

£594

ColomboLondon

CMB - LHR

CMBLHR

Colombo Bandaranaike Intl

Thu 18/12

04:00-14:30

1 stop16h 00m

London Heathrow

Sun 4/1

08:50-15:15

1 stop24h 55m

£623

ColomboLondon

CMB - LHR

CMBLHR

Colombo Bandaranaike Intl

Tue 25/11

04:00-12:05

1 stop13h 35m

London Heathrow

Wed 3/12

08:50-02:50

1 stop12h 30m

£625

ColomboLondon

CMB - LHR

CMBLHR

Colombo Bandaranaike Intl

Thu 13/11

12:50-19:10

Nonstop11h 50m

London Heathrow

Wed 26/11

20:40-12:30

Nonstop10h 20m

£646

ColomboLondon

CMB - LHR

CMBLHR

Colombo Bandaranaike Intl

Thu 13/11

12:50-19:10

Nonstop11h 50m

London Heathrow

Wed 26/11

20:40-12:30

Nonstop10h 20m

£647

ColomboLondon

CMB - LHR

CMBLHR

Colombo Bandaranaike Intl

Fri 5/12

03:25-13:20

1 stop15h 25m

London Heathrow

Sun 11/1

13:50-16:30

1 stop21h 10m

£649

ColomboLondon

CMB - LHR

CMBLHR

Colombo Bandaranaike Intl

Mon 23/2

02:40-13:50

1 stop16h 40m

London Heathrow

Sat 28/2

20:20-18:25

2 stops16h 35m

£675

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Sri Lanka to London Heathrow Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to London Heathrow Airport?

In general, October is the cheapest month to fly from Sri Lanka to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £648. The month of March is another great option to travel to London Heathrow Airport, with average flight prices from Sri Lanka averaging around £668.

What is the cheapest day to depart on your flight to London Heathrow Airport?

On average, the least expensive day to fly to London Heathrow Airport from Sri Lanka is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as £914. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Friday is £1,056.

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the afternoon. momondo users have found flights departing from Sri Lanka to London Heathrow Airport in the afternoon for as low as £671. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are £1,062 on average. Flights to London Heathrow Airport from Sri Lanka in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.

What is the cheapest Sri Lanka to London Heathrow flight route?

Fly from Colombo Bandaranaike Intl to London Heathrow for the best Sri Lanka - London Heathrow flight prices

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

You are more likely to see cheaper flights to London Heathrow Airport from Sri Lanka when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around £741 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Sri Lanka for as low as £629 on momondo.

What cabin class options are available on Sri Lanka to London Heathrow flights?

There are 3 cabin classes available to choose from on Sri Lanka to London Heathrow flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Sri Lanka to London Heathrow Airport flights?

You could potentially save up to 7% on your flight if you consider stops on a Sri Lanka to London Heathrow Airport flight.

Cheap Sri Lanka to London Heathrow Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Sri Lanka to London Heathrow Airport

Best price found

£350

Fastest flight time

11h 20m

Direct flights

Every day
The best one-way flight to London Heathrow Airport from Sri Lanka in the past 72 hours is £350. The best return flight deal from Sri Lanka to London Heathrow Airport found on momondo in the last 72 hours is £727.
The fastest flight from Sri Lanka to London Heathrow Airport takes 11h 20m
Direct flights go from Sri Lanka to London Heathrow Airport every day.
Search flight deals

  • When did momondo last update prices for flights from Sri Lanka to London Heathrow Airport?

    Prices for flights from Sri Lanka to London Heathrow Airport are updated daily.

  • How many operators does momondo search for flights from Sri Lanka to London Heathrow Airport?

  • How old do you have to be to fly from Sri Lanka to London Heathrow Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Sri Lanka to London Heathrow Airport.

  • What documentation or ID do you need to fly to London Heathrow Airport?

    The travel and health documents required for your trip to London Heathrow Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London Heathrow Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Sri Lanka to London Heathrow Airport?

Best airlines flying from Sri Lanka to London Heathrow Airport

Compare and see reviews for airlines that fly from Sri Lanka to London Heathrow Airport with momondo
Airline
Rating
Free Cancellation
Price
Etihad AirwaysPriceFrom £512Free CancellationRating
7.4
1,284 reviews
Search Etihad Airways flights
Air IndiaPriceFrom £540Free CancellationRating
5.5
2,940 reviews
Search Air India flights
Qatar AirwaysPriceFrom £540Free CancellationRating
7.4
3,661 reviews
Search Qatar Airways flights
British AirwaysPriceFrom £584Free CancellationRating
6.7
7,494 reviews
Search British Airways flights
Turkish AirlinesPriceFrom £597Free CancellationRating
7.3
4,038 reviews
Search Turkish Airlines flights
EmiratesPriceFrom £632Free CancellationRating
8.1
3,400 reviews
Search Emirates flights
SriLankan AirlinesPriceFrom £700Free CancellationRating
6.9
76 reviews
Search SriLankan Airlines flights

Travelling to a place near London?

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Why use momondo?

Why should I use momondo to find a flight deal from Sri Lanka to London?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to London from Sri Lanka.

Can I find flights from Sri Lanka to London with flexible booking policies on momondo?

Flights from Sri Lanka to London with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Sri Lanka to London?

momondo provides multiple filters to help you find the best flight to London from Sri Lanka. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Sri Lanka to London right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to London from Sri Lanka. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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