The Piccadilly line is the only one that serves Heathrow, so take it to Kings Cross and then change onto the Northern Line (southbound) to London Bridge Station.
London Underground serves Heathrow Airport from three different stations: Heathrow Terminals 1,2,3; Heathrow Terminal 4 and Heathrow Terminal 5. These stations are all on the Piccadilly line which runs through Central London. However, the travel-card does not cover you to travel on Heathrow Express which I believe is what you are referring to.
Take the Piccadilly line from Heathrow to King's Cross St Pancras (St Pancras is the Eurostar station).
Piccadilly Line will take you to Terminal 3.
As there are no direct trains from Heathrow to London Waterloo, it's quicker to travel by underground from Heathrow on the Piccadilly Line to Leicester Square Underground Station and then change onto the Northern Line to London Waterloo Railway Station.
You have to use the Piccadilly Line of London Underground which serves all of Heathrow's Terminals.
To travel from London Heathrow Airport (LHR) to King's Cross using the tube, take the Piccadilly Line from Heathrow to King's Cross St. Pancras station. The journey takes about 50-60 minutes.
To travel from Heathrow to Kings Cross, you can take the Heathrow Express train to Paddington Station, then transfer to the London Underground and take the Circle or Hammersmith City line to Kings Cross. The journey takes approximately 45-60 minutes.
There are no direct trains from Nottingham to Heathrow. You need to go: - Nottingham to London St. Pancras - St. Pancras to Paddington (Underground, Circle line) - London St. Pancras to Heathrow. Alternatively, cheaper but slower: - Nottingham to London St. Pancras - St. Pancras to Heathrow (Underground, Piccadilly line)
Take the East Coast main line train to King's Cross, then get the Piccadilly Line train to Heathrow Airport.
Heathrow Tube line Piccadilly goes to Heathrow terminal 1, 2, 3, 4, 5
Yes, there are three stations: Heathrow Terminal's 1,2 &3; Heathrow Terminal 4 and Heathrow Terminal 5. They are all situated on the Piccadilly Line.
The Northern Line.