By Rail - journey time approximately 1.5 hours from Heathrow, 30 min from London.
This involves travelling by both underground (the 'Tube') and overground trains.
- Take the Piccadilly line, eastbound, on the Underground system from Heathrow to Kings Cross St. Pancras railway station. The Piccadilly line - dark blue on the map - can be accessed from all Heathrow terminals (pdf version of the map). This leg of the journey will take approximately one hour.
- Once you arrive at Kings Cross St. Pancras, follow the signs to St. Pancras International station to catch an overground train to Hatfield. It is a well-signposted, short walk on level ground with some escalators, and it is well lit. There are always staff and police around who are very friendly and happy to provide directions. St. Pancras International is a modern, busy station with plenty of shops and cafes.
- Overground train to Hatfield. you should aim for trains run by First Capital Connect. Tickets can be purchased on the day and there is no need to book, although you can if you so wish. Trains are frequent, running up to every ½ hour. Timetable. This leg of your journey will take about 30 minutes.
The Train line is a useful website where you can check prices and book tickets. Booking in advance is often cheaper than purchasing on the day and tickets can be collected from machines at most railway stations.
By Coach/Bus - journey time approximately 55 minutes from Heathrow.
National Express provides a direct coach service from Heathrow. This departs for Hatfield from the Central Bus station every 2 hours. It is located between terminals 1,2 and 3. There is an airport bus service linking it to terminals 4 and 5. It is advisable to book in advance. This can be done on the National Express website.
It is easier and quicker to use National Express buses (see link above) as the rail journey involves travelling into London, and then changing trains, twice, to reach Hatfield. Booking is strongly recommended and the journey takes about 55 minutes.