Flights departing from London
Out of the five main international airports of London, Heathrow Airport is the busiest and largest boasting the largest capacity; it has five terminals and two runways. If you are wondering how you can unwind while you prepare yourself for long haul trips, such as flights to Japan from Heathrow, the airport offers a number of select restaurants and free Wi-Fi. The facilities at the airport are impressive; with it having been established for over 70 years, it is evident that continuous improvement is a mission that is not taken lightly. It has been around long enough to know how to do things right.
Getting to London airport
Depending on your time constraints and the traffic in the city (airport is approximately 22km from the city), it may be advisable to use the Heathrow Express. This direct train comes in 15 minute intervals and is the fastest mode of transport. If you are in a hurry to catch your flight from Heathrow to Tokyo, the train is the most reliable option.
You can also take the National Express coach which you will find at Victoria Coach Station in Central London. It will drop off at Terminals 1-3 at the airport. There are also numerous taxi services that specialise in airport transfers that you can use (including Uber).