London Heathrow Airport Opens– 4:30am-05:00am Checked bags– 2 hours before flight London Gatwick Airport Opens– 3 am Checked bags– 2 hours before flight Los Angeles International Airport (LAX) Opens– 3am-4am Checked bags– 2 to 4 hours before flight Ronald Reagan Washington National Airp...
Heathrow recommends arriving at the check-in and bag drop desks three hours before your departure time. For flights within the UK and Europe, two hours will be plenty of time to cruise through the terminal. London Gatwick Gatwick asks you to arrive at least two hours before your flight to ...