Heathrow Airport |
|
This site has other information, but might be out-of-date.
The main https://MathsJam.com site contains up-to-date information
Flying into Heathrow means crossing London and the journey requires three changes (two if you're very lucky) and takes 3 to 3 1/2 hours. Alternatively, you could take a bus from Heathrow to Reading and a train from there.
For options other than Heathrow see the page on Travelling by Air
Next: Travelling by train