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Flights between Colombo (CMB) and London (LHR)

Bandaranaike International Colombo Airport, Sri Lanka ↔ London Heathrow Airport, United Kingdom

A direct route between Colombo and London appears in the OpenFlights route network.

This reflects historical scheduled service and may be out of date — it is not a live timetable.

Airlines that have operated this route include:

SriLankan Airlines (UL)
Distance
8,715 km
5,415 miles
Est. flight time
11h 24m
great-circle estimate
Time difference
~5.5h
varies with DST
View this route on the live map →Search fares on Skyscanner ↗

Climate

Typical monthly temperatures in Sri Lanka

Jan
31°
36/26
85mm
Feb
31°
36/26
70mm
Mar
32°
37/27
130mm
Apr
31°
36/26
240mm
May
31°
36/26
360mm
Jun
30°
35/25
220mm
Jul
29°
34/24
130mm
Aug
29°
34/24
110mm
Sep
30°
35/25
180mm
Oct
30°
35/25
360mm
Nov
30°
35/25
320mm
Dec
30°
35/25
175mm

Mean °C (high/low below), avg. rainfall mm · country-level monthly normals, not airport-specific.

Typical monthly temperatures in United Kingdom

Jan
7°
12/2
85mm
Feb
7°
12/2
65mm
Mar
10°
15/5
70mm
Apr
13°
18/8
60mm
May
16°
21/11
65mm
Jun
19°
24/14
65mm
Jul
21°
26/16
60mm
Aug
21°
26/16
75mm
Sep
18°
23/13
75mm
Oct
14°
19/9
90mm
Nov
10°
15/5
90mm
Dec
8°
13/3
95mm

Mean °C (high/low below), avg. rainfall mm · country-level monthly normals, not airport-specific.

Travel advisories

Sri Lanka: Normal precautions (UK FCDO) ↗United Kingdom: Exercise Increased Caution (US State Dept) ↗

Common questions

How far is Colombo from London?

Colombo (CMB) and London (LHR) are around 8,715 km (5,415 miles) apart — an estimated 11h 24m by air. Distances and flight times are great-circle estimates.

Which airlines have operated the CMB–LHR route?

Airlines recorded operating this route in the OpenFlights network include SriLankan Airlines. This reflects historical scheduled service and may be out of date.

What is the time difference between Colombo and London?

Time difference ~ 5.5 hours (varies with daylight-saving).

When is it warmest in United Kingdom?

Across United Kingdom, the warmest month on average is July, with mean temperatures around 21°C. These are country-level monthly climate normals, not airport-specific.

Are there travel advisories for Sri Lanka and United Kingdom?

The UK FCDO currently rates Sri Lanka as Normal precautions; The US State Department rates United Kingdom as Exercise Increased Caution. Check the official sources before you travel.

Distances and flight times are great-circle estimates, not booked block times.