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Everything you need to know about your U.S. Passport before going aboard.

  • FTLO Team
  • Sep 29
  • 3 min read

If you’re getting ready to travel internationally, your passport is more than just a document—it’s the key to getting where you want to go.


But here’s the tricky part: even if it hasn’t technically expired, you could still run into issues at the airport or be denied entry abroad if it’s too close to its expiration date.




That’s why we’ve rounded up everything you need to know about your passport before you go. From understanding the “six-month rule” to tips on how to renew, to what to do if you need a new passport in a hurry, this guide has you covered.



Why You Need Six Months of Passport Validity


Many countries follow a “six-month rule,” which requires your passport to be valid for at least six months beyond the date you return home.

A screenshot of the FTLO Travel page with Trip Notes and Passport Requirements
The FTLO Thailand Trip's passport Trip Note includes the "six-month rule".

  • Entry requirements: Border officials use this buffer to help prevent travelers from overstaying their visas.

  • Airlines enforce it: Carriers check passport validity before boarding, and if you don’t meet the requirement, you won’t be allowed to fly.

  • Avoid unnecessary stress: Renewing in advance means one less thing to worry about during trip planning.



Our Advice: As soon as you start planning an international trip, check your passport. If it is set to expire within six months of your return date, start the renewal process immediately.



Don’t Forget the “Visa Pages” Rule


Here’s one that catches people by surprise: many countries require your passport to have two to four blank pages in your passport for stamps and visas. Some airlines won’t even let you board if this requirement isn’t met.


A few key things to know:


  • You can’t add pages to your current passport. If you’re running out of space, you’ll need to renew.

  • When you renew, you can request the “large book” option, which comes with extra visa pages at no additional cost.

  • If you’re a frequent traveler, consider opting for the large book — you’ll thank yourself later.


Where to Check Requirements: Every country has different rules, and they can change. For the most up-to-date info, check out your destination on the U.S. State Department‘s site or use a tool like Sherpa, which make it easy to see passport, visa, and entry requirements for your destination.


Traveler's hand holding passports with colorful stamps


How to Renew Your Passport Online


If you have several months before you travel, the process is pretty straightforward and eligible travelers can now renew online. How do you know if that’s you?


  • You’re eligible to renew online if your passport:

  • Was issued when you were 16 or older

    • Is undamaged

    • Was issued in the last 15 years

    • Has your current name (or you can provide legal documentation of a name change)


  • You’ll need:

  • Your current passport

    • A new passport photo

    • A credit or debit card to complete payment




In a Time Crunch?


If your trip is coming up quickly, you still have options:


1. Expedited by Mail

  • Pay an additional $60 expedited fee

  • Processing drops to about 2 weeks, not including mailing times

  • Add 1–2 day shipping for faster delivery back to you


2. In-Person at a Passport Agency

This option is available if your trip is within 14 days (or 28 days if you also need a visa):


What you’ll need:

  • Proof of travel (flight confirmation, itinerary, etc.)

  • Completed application paperwork

  • Passport photo

  • Payment (check requirements in advance)


How to schedule:

  • If you’ve already applied for your passport, you can call the National Passport Information Center to make an appointment

  • If you haven’t begun the application process yet, you can make an appointment online


Appointments fill quickly, so call or book online as soon as possible.



Last-Minute Options


If you need your passport in a matter of days, you may also be able to use a third-party expediting service, which can sometimes get it processed in 24–72 hours. This convenience comes with a high price tag, but for time-sensitive trips, it can be worth it. Be sure to verify the company’s legitimacy before sending any personal documents!


Action

Why It Matters

Check your passport after booking

Avoid being denied at the airport

Confirm blank visa pages

Some countries/airlines require 2–4 pages

Renew early if under 6 months validity

Prevents costly cancellations or rebookings

Expedited mail

Faster turnaround for trips within 6 weeks

Passport agency appointment

Fastest DIY option, for urgent travel

Trusted expeditor

Last resort for immediate travel


Making sure your passport is valid well beyond your travel dates is one of the easiest ways to ensure a smooth. A quick check now can save you a lot of stress later, so you can focus on the fun stuff, like researching dinner spots, planning your outfits, and getting excited for a new adventure.


Happy travels,


—Team FTLO



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