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I just booked tickets to Tokyo; the process included providing the airline with my passport number.

My passport expires three months after returning to the US. My understanding is that this won't be a problem for Japan (right?), but a number of other countries nearby require a passport that's valid for six months after exit.

Say I would like to renew my passport, just in case I decide to take a side trip, or just to avoid potential confusion with the six-month rule. Would it be an issue if I show a new passport, with a different passport number than I reserved the ticket with, when I show up at the airport? Should I contact the airline and update the number beforehand? Would I need to bring my old, canceled passport, or is a matching name enough?

(I am American with a US passport and, in case it matters, global entry and the accompanying TSA Pre-check)

Karlson
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Kevin
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1 Answers1

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There should be no problem at all. At checkin, the desk agent will ask for your passport because you are taking an international flight. They will scan it (or enter the info manually) and then they will have your correct passport number on file. You won't be able to board the plane without this step. As long as the name continues to match your booking name, the fact that you have a new passport is of no practical consequence.

Greg Hewgill
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