how long do i have to have left on my esta?
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Your ESTA authorization is generally valid for multiple trips over a period of two years (starting the date that you are approved) or until your passport expires, whichever comes first. As long as you received an ESTA authorization to travel, you do not have to reapply during the validity period.
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You can check your ESTA expiry date, ESTA validity and retrieve the ESTA number simply by filling out the form using the passport details as well as first and last name of the applicant. Your ESTA status, authorization number and date of expiry will be provided to you if your application is still valid.
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You should have at least 6 months left on your passport from your date of arrival. This applies to adult and child passports. If you renewed a passport before it expired, up to 9 extra months may have been added to your new passport's expiry date.
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It must be valid for at least ninety days after your intended date of departure from the Schengen area. In addition, the passport or other travel document must have been issued no later than ten years ago.
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To check-in and check bags at the airport, you must be there a certain amount of time before scheduled departure: Within the U.S. - 45 minutes. To or from destinations outside the U.S. - 60 minutes.
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Although there are no specific rules regarding how many days in advance you need to apply for ESTA, normally you will receive the results of your application within three days, or 72 hours. Therefore, it is recommended to apply for it at least three days in advance.
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Usually, the maximum amount of time that a country will require your passport to be valid for will be at least six months. In other cases, it might be necessary for your passport to be valid for 28 days or one month past your date of exit.
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You must hold a passport or travel document issued within the last 10 years. Your passport or travel document must be valid for at least 3 months after your date of departure.
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It's recommended that you arrive at least two hours before your scheduled departure time. Though, some airports may recommend more than two hours before. Be sure to give yourself plenty of time, so you can get through TSA with time to spare.
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Make sure you leave at least 30-40 minutes after landing for passengers to clear passport control, baggage reclaim and Customs. If you're picking someone up by car you should use a car park.
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I usually leave 60 minutes to get through immigrations & customs, and that's usually what it takes. Also, as kileysmom says above, be sure to stop and get some picnic supplies on the level between the airport terminals and the train station.
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You do not need to update anything within the 2 years that your ESTA is valid. Your accommodation details are NOT needed at all. Nothing to do with Customs. As advised above, unless you have changed your name or have a new passport, the ESTA is valid for 2 years.
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If you aren't a convicted felon, or have been convicted and plan on crossing often, I would look into Sentri/Global Entry program. The most I have last crossing on the Senri lane was 30 minutes, usuall 3–5 minutes,,, plus you usually get pre-tsa screen for international flying travel.
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How long is ESTA valid? The ESTA is valid for up to two years (less if your passport expires within two years) and allows for multiple entries of up to 90 days each into the United States. If you receive a new passport during the two-year entry period, you must reapply for ESTA approval.
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When you're traveling outside of the United States, we make the suggestion to arrive at least 3 hours prior to your departure. You must be checked in at least 1 hour before your scheduled departure. Additionally, we recommend being at the gate and ready to board 45 minutes before your scheduled departure time.
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3 hours is the standard. If you have pre-booked your seats or paid for elite class you can get away with two. You must first go to the ticket counter there could be a delay. Next is the customs checkpoint also here there could be a delay.
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Whole process about a half-hr. But .... YMMV. Immigration wait times are pretty unpredictable -- you can be out with your luggage (past immigration and customs) in 15 minutes, or it can take an hour.