What time should you get to London airports before your flight?
Briefly

To ensure a smooth travel experience, arriving early at London airports is crucial. Heathrow suggests arriving three hours before long haul flights and two hours for domestic or European flights. Gatwick advises arriving three hours prior for long haul journeys and two hours for UK and Ireland flights. Stansted recommends three hours for long haul flights and two hours for shorter trips. For London City Airport, a arrival two hours before is adequate for short haul flights due to its smaller size and fewer long haul options.
Heathrow recommends arriving three hours before your flight if travelling out of Europe, and two hours ahead for domestic and intra-European flights.
Gatwick suggests arriving three hours before long haul flights, and two hours ahead for flights to the UK and Ireland.
Stansted advises arriving three hours in advance for long haul flights, especially with airlines like Jet2, TUI, or Thomas Cook.
London City Airport doesn't require passengers to arrive as early; two hours ahead is sufficient for short haul flights.
Read at Time Out London
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