How long do you need to check-in before an international flight Heathrow?

When to arrive. We recommend getting to the airport three hours before your flight if you're travelling internationally, or two hours if you're travelling domestically or to Europe.

Can I check in online for international flights?

Online Check-in for International Flights. Online check-in allows those who have reserved seats and completed the required information to check into their flight from 24 hours prior to departure. During this process, you can confirm or change seats and get a boarding pass.

How long before an International flight can you check-in online?

Airlines that offer the ability to do so will generally open 24 hours ahead of the flight's departure. Online check-in will remain open up to 90 minutes before domestic departure and two hours before international departure.

What time should I check in for international travel?

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