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

CMB — LHR
5 Dec — 12 Dec1
1 adult
1 adult, Economy, 0 bags

Find SriLankan Airlines flight deals from Colombo to Heathrow

Enter your travel dates to find the best prices.

Cheapest SriLankan Airlines flights from Colombo to Heathrow

Fri 11/1202:25 -
Nonstop11h 45m
Sat 9/112:35 -
Nonstop10h 25m
Deal found 1/11£697
Thu 12/1112:55 -
Nonstop11h 45m
Wed 25/1120:40 -
Nonstop10h 25m
Deal found 2/11£698
Fri 11/1202:25 -
Nonstop11h 45m
Fri 12/320:40 -
Nonstop10h 25m
Deal found 2/11£704
  • How do most travelers feel about SriLankan Airlines?

    The general consensus from 89 Cheapflights users is that SriLankan Airlines is a 6.8/10. Select your travel dates above for updated prices on flights from Colombo Bandaranaike Intl Airport to London Heathrow Airport (CMB-LHR).

  • Can I get a flight from Colombo Bandaranaike Intl Airport to London Heathrow Airport on SriLankan Airlines for under £742?

    Colombo Bandaranaike Intl Airport to London Heathrow Airport flights on SriLankan Airlines are currently available under £742. 9 flights have been found by Cheapflights users under that amount. To find flights for your dates, click here.

SriLankan Airlines flights from Colombo to Heathrow in 2026

One-way from

£408

Return from

£697

Popular in

January

Cheapest in

October

Average price (all airlines)

£675
SriLankan Airlines
  • SriLankan Airlines
  • 24/11-31/12
  • Nonstop
  • 11h 45m total
  • Colombo to London
SriLankan Airlines
  • SriLankan Airlines
  • 11/12-9/1
  • Nonstop
  • 22h 10m total
  • Colombo to London
Highest demand for flights from Colombo to London Heathrow; 7% potential price increase.
Best time to find cheap flights from Colombo to London Heathrow; 1% potential price drop.
Average price for all Colombo to London Heathrow flights (one-way and round-trip).

When is the best time to book a flight to London Heathrow Airport with SriLankan Airlines?

The best time to book a flight to London Heathrow Airport with SriLankan Airlines is 88 days before departure. On average, fares are higher if you book 22 days before departure.

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

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

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

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See what others are saying about SriLankan Airlines

SriLankan Airlines
6.8
Okay
89 reviews
Overview

Comfort

6.8

Entertainment

6.2

Crew

7.5

Food

7.1

Boarding

6.8

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