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

CMB — LHR
16 Oct — 23 Oct1
1 adult
1 adult, Economy

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

SriLankan Airlines flights from Colombo to Heathrow in 2025

Find detailed information about SriLankan Airlines flights from Colombo to Heathrow. Explore the options provided by SriLankan Airlines to plan your journey from Colombo to Heathrow. Data last updated 16 September 2025.

One-way from

£358

Return from

£655

Popular in

August

Cheapest in

October

Average price (all airlines)

£742
SriLankan Airlines
  • SriLankan Airlines
  • 8/10
  • Nonstop
  • 11h 25m total
  • Colombo to London
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SriLankan Airlines
  • SriLankan Airlines
  • 2/10-15/10
  • Nonstop
  • 22h 10m total
  • Colombo to London
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Highest demand for flights from Colombo to London Heathrow; 9% potential price increase.
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Best time to find cheap flights from Colombo to London Heathrow; 1% potential price drop.
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Average price for all Colombo to London Heathrow flights (one-way and round-trip).
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  • Can I get a flight from Colombo Bandaranaike Intl Airport to London Heathrow Airport on SriLankan Airlines for under £1,100?

    Colombo Bandaranaike Intl Airport to London Heathrow Airport flights on SriLankan Airlines are currently available under £1,100. 12 flights have been found by Cheapflights users under that amount. To find flights for your dates, click here.

  • How do most travelers feel about SriLankan Airlines?

    The general consensus from 1,250 Cheapflights users is that SriLankan Airlines is a 7.4/10. Select your travel dates above for updated prices on flights from Colombo Bandaranaike Intl Airport to London Heathrow Airport (CMB-LHR).

Find SriLankan Airlines flight deals from Colombo to Heathrow

Cheapest SriLankan Airlines flights from Colombo to Heathrow
Explore the most affordable SriLankan Airlines flight options available from Colombo to Heathrow. Find the lowest fares with prices last updated on 16 September 2025.

Thu 2/1013:05CMB - LHR
Nonstop11h 25mSriLankan Airlines
Wed 15/1021:30LHR - CMB
Nonstop10h 45mSriLankan Airlines
Deal found 15/9£655
Mon 29/913:05CMB - LHR
Nonstop11h 25mSriLankan Airlines
Sun 5/1021:30LHR - CMB
Nonstop10h 45mSriLankan Airlines
Deal found 14/9£667
Tue 30/913:05CMB - LHR
Nonstop11h 25mSriLankan Airlines
Fri 10/1021:30LHR - CMB
Nonstop10h 45mSriLankan Airlines
Deal found 16/9£681

Travel insights for SriLankan Airlines flights from Colombo to Heathrow

Get recent, data-driven insights about SriLankan Airlines flights from Colombo to Heathrow including ideal travel times, pricing trends, and more.

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

Use this chart to determine the optimal time to book a return flight from Colombo to Heathrow. Price data was last updated on 12 September 2025.

Booking with SriLankan Airlines 61 days in advance of your planned departure date is, on average, the best time to get cheap flights from Colombo Bandaranaike Intl Airport to London Heathrow 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 Colombo Bandaranaike Intl Airport to London Heathrow Airport with SriLankan Airlines?

Currently, the most affordable month to book a SriLankan Airlines flight from Colombo Bandaranaike Intl Airport to London Heathrow Airport in October, with an average price of £627. Conversely, traveling with SriLankan Airlines from Colombo Bandaranaike Intl Airport to London Heathrow Airport in January will be the most expensive, with an average cost of £896. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.

Best time to book a flight from Colombo to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Colombo 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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Fly from Colombo to Heathrow on another airline

Consider alternative airlines that service the Heathrow area. Flight routes are based on user searches made on Cheapflights and were last updated on 16 September 2025.
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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 16 September 2025.
SriLankan Airlines
6.8
Okay
75 reviews
Check prices
Overview

Entertainment

6.2

Boarding

6.6

Comfort

6.8

Crew

7.5

Food

7.0

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