Weekly SriLankan Airlines flight availability from London Heathrow Airport to Colombo Bandaranaike Intl Airport

The most SriLankan Airlines flights from LHR to CMB are scheduled on a Monday (1 on average). You will have fewer SriLankan Airlines flight options on Monday, which is when the least amount of flights are scheduled (1 on average).

In terms of precipitation, rainfall in Colombo Bandaranaike Intl Airport ranges from 60.0 - 350.0 inches per month. October is typically the wettest month, when rainfall can reach 350.0 mm. February is typically the driest time to visit Colombo Bandaranaike Intl Airport when rainfall is around 60.0 mm.

If weather is an important factor for your trip to Colombo Bandaranaike Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, March is the ideal time of year to visit, when temperatures reach an average of 28.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 27.0 C).

£437+ SriLankan Airlines Flights from Heathrow to Colombo

Q: How far ahead should I book a flight from London Heathrow Airport to Colombo Bandaranaike Intl Airport with SriLankan Airlines?

Booking with SriLankan Airlines 88 days in advance of your planned departure date is, on average, the best time to get cheap flights from London Heathrow Airport to Colombo Bandaranaike Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Q: What is the cheapest month to book a flight from London Heathrow Airport to Colombo Bandaranaike Intl Airport with SriLankan Airlines?

Currently, the most affordable month to book a SriLankan Airlines flight from London Heathrow Airport to Colombo Bandaranaike Intl Airport in September, with an average price of £653. Conversely, traveling with SriLankan Airlines from London Heathrow Airport to Colombo Bandaranaike Intl Airport in July will be the most expensive, with an average cost of £1,314. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.

Cheapflights users flying from London to Colombo on SriLankan Airlines typically fly into Colombo Bandaranaike Intl and depart from London Heathrow. Select your dates above for pricing.

SriLankan Airlines flights from Heathrow to Colombo in 2026

One-way from	£437
Return from	£751
Popular in	July
Cheapest in	September
Average price (all airlines)	£614

SriLankan Airlines
3/6
Nonstop
10h 45m total
London to Colombo

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SriLankan Airlines
17/6-24/6
Nonstop
22h 05m total
London to Colombo

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Highest demand for flights from London Heathrow to Colombo; 13% potential price increase.

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Best time to find cheap flights from London Heathrow to Colombo; 3% potential price drop.

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Average price for all London Heathrow to Colombo flights (one-way and round-trip).

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Can I get a flight from London Heathrow Airport to Colombo Bandaranaike Intl Airport on SriLankan Airlines for under £670?
8 SriLankan Airlines flights from LHR to CMB have recently been found on Cheapflights for under £670. Click here to find the best deals to Colombo Bandaranaike Intl Airport for your desired dates.

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Cheapest SriLankan Airlines flights from Heathrow to Colombo
Explore the most affordable SriLankan Airlines flight options available from Heathrow to Colombo. Find the lowest fares with prices last updated on 24 May 2026.

Wed 17/621:30

LHR

CMB

Nonstop10h 45m

SriLankan Airlines

Wed 24/613:10

CMB

LHR

Nonstop11h 20m

SriLankan Airlines

Deal found 20/5£751

Sun 21/621:30

LHR

CMB

Nonstop10h 45m

SriLankan Airlines

Sun 13/913:10

CMB

LHR

Nonstop11h 20m

SriLankan Airlines

Deal found 20/5£755

Thu 4/621:30

LHR

CMB

Nonstop10h 45m

SriLankan Airlines

Sun 7/613:10

CMB

LHR

Nonstop11h 20m

SriLankan Airlines

Deal found 22/5£756

Prices

Airlines

When is the best time to book a flight to Colombo Bandaranaike Intl Airport with SriLankan Airlines?

The best time to book a flight to Colombo Bandaranaike Intl Airport with SriLankan Airlines is 88 days before departure. On average, fares are higher if you book 3 days before departure.

Which month is the cheapest to fly Economy class from London Heathrow Airport to Colombo Bandaranaike Intl Airport?

For Economy class flights, the cheapest month to fly this route is September. The most expensive months are July and December.

Best time to book a flight from Heathrow to Colombo

Have a flexible travel schedule? Discover the best time to fly to Colombo from Heathrow with our price prediction graph.

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SriLankan Airlines flights from London Heathrow Airport to Colombo Bandaranaike Intl Airport (LHR - CMB)

Cheapflights users flying from London to Colombo on SriLankan Airlines typically fly into Colombo Bandaranaike Intl and depart from London Heathrow. Select your dates above for pricing.

SriLankan Airlines flights from Heathrow to Colombo in 2026

Find detailed information about SriLankan Airlines flights from Heathrow to Colombo. Explore the options provided by SriLankan Airlines to plan your journey from Heathrow to Colombo. Data last updated 24 May 2026.

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Can I get a flight from London Heathrow Airport to Colombo Bandaranaike Intl Airport on SriLankan Airlines for under £670?

Find SriLankan Airlines flight deals from Heathrow to Colombo

Cheapest SriLankan Airlines flights from Heathrow to ColomboExplore the most affordable SriLankan Airlines flight options available from Heathrow to Colombo. Find the lowest fares with prices last updated on 24 May 2026.

Explore the most affordable SriLankan Airlines flight options available from Heathrow to Colombo. Find the lowest fares with prices last updated on 24 May 2026.

Best SriLankan Airlines flights from Heathrow to ColomboDiscover carefully curated SriLankan Airlines flight deals from Heathrow to Colombo that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 24 May 2026.

Discover carefully curated SriLankan Airlines flight deals from Heathrow to Colombo that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 24 May 2026.

Direct SriLankan Airlines flights from Heathrow to ColomboExplore direct SriLankan Airlines flight options from Heathrow to Colombo based on user searches, and compare prices and availability for your desired travel dates. Data last updated 24 May 2026.

Explore direct SriLankan Airlines flight options from Heathrow to Colombo based on user searches, and compare prices and availability for your desired travel dates. Data last updated 24 May 2026.

Last-minute SriLankan Airlines flights from Heathrow to ColomboDiscover last-minute SriLankan Airlines flight deals from Heathrow to Colombo. Data last updated 24 May 2026 and is based on user searches.

Discover last-minute SriLankan Airlines flight deals from Heathrow to Colombo. Data last updated 24 May 2026 and is based on user searches.

One-way SriLankan Airlines flights to ColomboSearch for one-way SriLankan Airlines flight options to Colombo. Find affordable one-way fares based on user searches. Data last updated 24 May 2026.

Search for one-way SriLankan Airlines flight options to Colombo. Find affordable one-way fares based on user searches. Data last updated 24 May 2026.

When is the best time to book a flight to Colombo Bandaranaike Intl Airport with SriLankan Airlines?

Which month is the cheapest to fly Economy class from London Heathrow Airport to Colombo Bandaranaike Intl Airport?

Weekly SriLankan Airlines flight availability from London Heathrow Airport to Colombo Bandaranaike Intl Airport

Rainfall in Colombo by month

Temperature in Colombo by month

Best time to book a flight from Heathrow to Colombo

Have a flexible travel schedule? Discover the best time to fly to Colombo from Heathrow with our price prediction graph.

Browse thousands of different options on Cheapflights for your next trip

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Fly from Heathrow to Colombo on another airline

Consider alternative airlines that service the Colombo area. Flight routes are based on user searches made on Cheapflights and were last updated on 24 May 2026.

Other SriLankan Airlines flights from Heathrow

Browse through other SriLankan Airlines flights departing from Heathrow. Flight routes are based on user searches made on Cheapflights and were last updated on 24 May 2026.

Complete your trip

Complete your trip to Colombo by adding a car hire and/or hotel booking to your travel itinerary.

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Other popular destinations in Asia

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Popular flights with SriLankan Airlines

Browse through some of the most popular routes that SriLankan Airlines offers at this time. Flights are based on user searches made on Cheapflights and were last updated on 24 May 2026.

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Cheapest SriLankan Airlines flights from Heathrow to Colombo
Explore the most affordable SriLankan Airlines flight options available from Heathrow to Colombo. Find the lowest fares with prices last updated on 24 May 2026.

Best SriLankan Airlines flights from Heathrow to Colombo
Discover carefully curated SriLankan Airlines flight deals from Heathrow to Colombo that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 24 May 2026.

Direct SriLankan Airlines flights from Heathrow to Colombo
Explore direct SriLankan Airlines flight options from Heathrow to Colombo based on user searches, and compare prices and availability for your desired travel dates. Data last updated 24 May 2026.

Last-minute SriLankan Airlines flights from Heathrow to Colombo
Discover last-minute SriLankan Airlines flight deals from Heathrow to Colombo. Data last updated 24 May 2026 and is based on user searches.

One-way SriLankan Airlines flights to Colombo
Search for one-way SriLankan Airlines flight options to Colombo. Find affordable one-way fares based on user searches. Data last updated 24 May 2026.