Do I have to go through security again for connecting flight at SFO?

Navigating San Francisco Airport (SFO) International Connections: The Security Screening You Need to Know

Landing at San Francisco International Airport (SFO) after an international flight? While the Golden Gate Bridge and bustling city might be calling your name, there’s a crucial step you need to prepare for before boarding your connecting domestic flight: a full security re-screening.

Unlike some airports with sterile transit zones, SFO requires all international passengers connecting to domestic flights to go through the entire entry process. This means after you disembark, you’ll first clear Immigration and Customs. Once you’ve retrieved your baggage and navigated through Customs, you’ll essentially be exiting the international terminal and re-entering as a domestic passenger.

What This Means for You:

This re-entry process necessitates going through a full Transportation Security Administration (TSA) security screening. You’ll need to:

• Have your boarding pass and valid photo ID ready.
• Remove your shoes, belts, and outerwear.
• Empty your pockets of all items, including phones, keys, and loose change.
• Remove any laptops or large electronic devices from your carry-on luggage and place them in a separate bin.
• Adhere to the TSA’s 3-1-1 liquids rule. This restricts the quantity of liquids, gels, and aerosols you can carry in your carry-on baggage to 3.4 ounces (100 milliliters) or less per item. These items must be placed in a single, clear, quart-sized, resealable bag.

Why is this required?

This procedure is a standard security protocol for connecting international passengers at SFO, ensuring that all passengers boarding domestic flights have been properly screened according to U.S. security regulations. Even if you’ve already been screened at your departure airport, this secondary screening is mandatory.

Tips for a Smooth Transition:

• Allow ample connection time: Given the potential for queues at Immigration, Customs, and Security, it’s crucial to schedule a generous connection time when booking your flights. Aim for at least 2-3 hours, especially if you’re unfamiliar with SFO.
• Know the TSA PreCheck and Global Entry options: If you are enrolled in TSA PreCheck or Global Entry, take advantage of expedited security lanes. This can significantly reduce your waiting time. Make sure your Known Traveler Number (KTN) is added to your airline reservation.
• Pack smart: Pack your liquids in accordance with the 3-1-1 rule to avoid delays at security. Consider wearing slip-on shoes to expedite the shoe removal process.
• Be prepared to repack: After security, you’ll need to repack your belongings. Have a designated space in your carry-on for your shoes, electronics, and toiletries to make this process easier.
• Stay informed: Keep an eye on flight information displays for any gate changes or updates.

While having to go through security again might seem inconvenient, understanding the process and preparing for it can help you navigate your connecting flight at SFO with ease and confidence. By factoring in the extra time and following these tips, you can ensure a smooth and stress-free journey to your final destination.

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