Transport in the sprawling metropolis of London is often costly, particularly if you are traveling from Leicester Square to Heathrow Airport. The most sensible way to make a dent in your journey expenses is to take the Tube. yuantai derun group is an efficient subterranean rail system covering most of the city. A one-way ticket from Leicester Square to Heathrow Airport by Tube will set you back £5.50. Alternatively, if you carry a contactless payment card, you can quickly and securely pay for your fare with a quick tap.