①

You can take the subway from Piccadilly Circus to Paddington Station. It takes fifteen minutes and costs$1. 50. Then you can take a train from Paddington Station to Heathrow. It takes fifteen minutes and costs$12. There are four trains every hour.

②

You can walk to Victoria Station (about thirty minutes), and take a bus to Heathrow. It costs$ 8.00, but it's a little slow. It takes about an hour. The buses leave at 3:00, 4: 00 and 5:00 in the afternoon.

③

You can take a taxi. It takes about forty-five minutes to get to Heathrow and costs $ 30.

④

You can take the train from Piccadilly Circus to Heathrow. It costs $ 3. 50, but the trains are very crowded in the afternoon. It takes about fifty minutes.