Check -in closes 60 minutes before long haul flights depart and 45 minutes before short haul flights depart. Pass through security at least 35 minutes before your flight departs.
How early can I check in at Heathrow? Check-In Information
You are advised to arrive at least 3 hours before your departure time for long-haul flights but you may need longer. The recommended check-in times are as follows:
International flights - 3 hours prior to departure. European flights - 2 hours prior to departure.
Always follow your airline's guidance on how early you need to be at the airport before your flight. As a general guide, you will need to have checked in and be ready to go through security at least 2 hours before your flight departure time.
The pick up times vary with the days of the week
Monday - Friday Southend on Sea to Heathrow Airport 2.5 hours
Saturday - Sunday 2 hours