Emirates offer 6 services from the UK to Dubai with excellent connections onwards to over 100 destinations throughout Africa, Asia, the Indian Ocean and Australasia.
Flights from the UK are shown below:

Heathrow 5 per day
outbound - EK2*/EK4*/EK6/EK8/EK30
inbound- EK1*/EK3*/EK5/EK7/EK29

London Gatwick 3 per day
outbound - EK10/EK12/EK16
inbound - EK9/EK11/EK15

Manchester 3 per day
outbound - EK18*/EK20/EK22
inbound - EK17*/EK19/EK21

Birmingham 2 per day
outbound - EK38/EK40
inbound - EK37/EK39

Newcastle 1 per day
outbound - EK36
inbound - EK35

Glasgow 1 per day
outbound - EK28
inbound - EK27

* Indicates A380 service