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Flights between London (LHR) and Sylhet Osmani (ZYL)

London Heathrow Airport, United Kingdom ↔ Osmany International Airport, Bangladesh

A direct route between London and Sylhet Osmani 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This reflects historical scheduled service and may be out of date — it is not a live timetable.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:

BG
Distance
8,018 km
4,982 miles
Est. flight time
10h 31m
great-circle estimate
Time difference
~6h
varies with DST
View this route on the live map →Search fares on Skyscanner ↗

Climate

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.

Typical monthly temperatures in Bangladesh

Jan
25°
30/20
10mm
Feb
28°
33/23
25mm
Mar
32°
37/27
60mm
Apr
34°
39/29
145mm
May
34°
39/29
285mm
Jun
32°
37/27
415mm
Jul
31°
36/26
425mm
Aug
32°
37/27
370mm
Sep
32°
37/27
280mm
Oct
31°
36/26
165mm
Nov
28°
33/23
35mm
Dec
26°
31/21
10mm

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

Travel advisories

United Kingdom: Exercise Increased Caution (US State Dept) ↗Bangladesh: Caution — some areas (UK FCDO) ↗

Common questions

How far is London from Sylhet Osmani?

London (LHR) and Sylhet Osmani (ZYL) are around 8,018 km (4,982 miles) apart — an estimated 10h 31m by air. Distances and flight times are great-circle estimates.

Which airlines have operated the LHR–ZYL route?

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 This reflects historical scheduled service and may be out of date.

What is the time difference between London and Sylhet Osmani?

Time difference ~ 6 hours (varies with daylight-saving).

When is it warmest in Bangladesh?

Across Bangladesh, the warmest month on average is April, with mean temperatures around 34°C. These are country-level monthly climate normals, not airport-specific.

Are there travel advisories for United Kingdom and Bangladesh?

The US State Department currently rates United Kingdom as Exercise Increased Caution; The UK FCDO rates Bangladesh as Caution — some areas. Check the official sources before you travel.

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