Air France check in ? For Air France check-in, you can do it online +1(_855)_838_4767, via the mobile app, or at the airport. Online check-in usually opens 30 days +1(_855)_838_4767 to 1 hour before your flight. Simply enter your booking reference +1(_855)_838_4767 and last name to access your itinerary. You can also choose your seat and add extra services. At the airport, look for the designated check-in counters +1(_855)_838_4767 or kiosks. Don’t forget your travel documents! Safe travels!