Plane tickets – use your favourite flight search engine. If you don't have a favourite, try kiwi.com. Decide to which airport in London you’d like to arrive and don't forget to include the time you will spend travelling to and from the airport in your timetable.
Accommodation – a good hotel in a convenient location is the Bermondsey Square Hotel.
Transport to and from the airport – Heathrow (LHR), Gatwick (LGW), Stansted (STN), Luton (LTN).
Security – London has recently been experiencing a high number of violent crimes. However, there is nothing to worry about in the city centre. Keep an eye out for pickpockets, like in any other European city.
Calls and data – check with your provider beforehand, the UK is no longer a member of the European Union. WiFi is common in hotels and restaurants and is free.
When to come here – you can travel here all year round!
Transport around town – public transport is not cheap, if there are 3-4 of you it is often more convenient and cheaper to take a taxi for shorter distances. Alternatively, you can use Uber. If you travel by public transport, consider buying an Oyster Card you will certainly save money.

