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

LHR — CMB
20 Mar — 27 Mar1
1 adult
1 adult, Economy, 0 bags

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 18 February 2026.

One-way from

£388

Return from

£630

Popular in

July

Cheapest in

September

Average price (all airlines)

£678
SriLankan Airlines
  • SriLankan Airlines
  • 23/4
  • Nonstop
  • 10h 45m total
  • London to Colombo
SriLankan Airlines
  • SriLankan Airlines
  • 12/4-6/5
  • Nonstop
  • 22h 05m total
  • London to Colombo
Highest demand for flights from London Heathrow to Colombo; 14% potential price increase.
Best time to find cheap flights from London Heathrow to Colombo; 4% potential price drop.
Average price for all London Heathrow to Colombo flights (one-way and round-trip).

Find SriLankan Airlines flight deals from Heathrow to Colombo

Enter your travel dates to find the best prices.

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 18 February 2026.

Sun 15/312:35
LHR
-
CMB
Nonstop10h 20m
SriLankan Airlines
Wed 25/312:50
CMB
-
LHR
Nonstop11h 50m
SriLankan Airlines
Deal found 15/2£704
Sun 8/312:35
LHR
-
CMB
Nonstop10h 20m
SriLankan Airlines
Fri 20/302:20
CMB
-
LHR
Nonstop11h 50m
SriLankan Airlines
Deal found 17/2£712
Sun 8/312:35
LHR
-
CMB
Nonstop10h 20m
SriLankan Airlines
Wed 18/312:50
CMB
-
LHR
Nonstop11h 50m
SriLankan Airlines
Deal found 17/2£730

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

Use this chart to determine the optimal time to book a return flight from Heathrow to Colombo. Price data was last updated on 18 February 2026.

Booking with SriLankan Airlines 89 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.

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 May, with an average price of £552. 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 £748. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.

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.
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.

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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 18 February 2026.

See what others are saying about SriLankan Airlines

Read reviews and see what other travellers are saying about their experiences with SriLankan Airlines. Get insights from real passengers regarding the airline's services, customer satisfaction, and overall travel experience. Use these reviews to inform your decision when choosing SriLankan Airlines for your next flight. Reviews last updated 18 February 2026.
SriLankan Airlines
6.8
Okay
79 reviews
Overview

Entertainment

6.2

Boarding

6.7

Comfort

6.7

Crew

7.5

Food

7.0

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