Travelling By Coach
Quick and cost effective, National Express provides a direct link between Heathrow and Gatwick Airports. About six services operate every hour. While the travel time consumes about 75 minutes, it costs £19.50 for an adult as fare.
Travelling By Train
This requires you to travel first to the Paddington Station by the Heathrow Express. Once at the Paddington station, it will cost you £4.00 to travel to London Victoria by the National Rail train. From London Victoria, travel to Gatwick by taking the Gatwick Express.
There is a bus that functions between Heathrow central bus station and Feltham. You can travel from Feltham to Gatwick by rail by changing at Clapham Junction.
Get a Taxi from Heathrow to Gatwick
The best way to commute between the two places is by getting a London taxi at Heathrow or a minicab at Gatwick. It roughly takes an hour to cross the distance and the taxi from Heathrow to Gatwick costs anywhere between £80 and £120, though the cars carry up to four people.