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by nobody9999 1733 days ago
>scanning your passport in an airline mobile app to book an international flight comes to mind

I'm curious as to why this might be necessary.

Whenever I've traveled internationally, while I've had to provide the airline with a bunch of info when booking my flight, I've never had to provide a scanned version of my passport.

Rather, when I arrive at my destination (at both ends) I need to show the nice customs folks my passport.

Which airlines require providing them with a scan of a passport to book a flight? I ask so that I can make sure never to use those airlines. Thanks!