
The airport experience is often fraught with stress and frustration, from parking to security checks and everything in between. It is a common misconception that once you have passed through security, you cannot re-enter, but this is not the case. In the US, you can re-enter security as long as you have a boarding pass for a flight that day. In the UK, you can go landside from arrivals but not departures, as these areas are kept separate. Some US airports even offer programs for non-travellers to enter the terminal, such as the Experience MCO Visitor Pass Program at Orlando International Airport, where non-ticketed visitors can explore Terminal C.
| Characteristics | Values |
|---|---|
| Possibility of re-entering the terminal | Yes, possible in some airports. |
| Requirements | A valid boarding pass, ID, or special pass. |
| Restrictions | Some airports require a digital pass, while others don't accept printed passes. |
| Scanning the boarding pass | No issues reported. |
| Time limit | Limited to six hours in some airports. |
| TSA Pre-Check | Allows separate security line and expedited clearance. |
| Global Entry | Recommended for international travelers, includes TSA Pre-Check. |
| Items allowed | Small bottles of alcohol (3.4 oz), personal devices, small appliances. |
| Items restricted | Liquids, large electronics, and empty beverage containers. |
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What You'll Learn
- Non-travellers can go through airport security in some US airports
- You can re-enter through security after leaving the terminal
- You may need to go through security twice if you forget something
- TSA Pre-Check and Global Entry can speed up security
- You can bring small bottles of alcohol under 3.4 oz through security

Non-travellers can go through airport security in some US airports
Since the introduction of increased security measures and the Transportation Security Administration (TSA) after 9/11, non-ticketed passengers have generally not been allowed past security. However, some US airports have implemented programs that allow non-travellers to pass through airport security. These include:
- The DTW Destination Pass at Detroit Metropolitan Airport, which allows visitors to pass through security at both the McNamara and Evans terminals. The pass can be applied for and used on the same day between 5 a.m. and 9 p.m.
- The ExperienceMCO Visitor Pass Program at Orlando International Airport, which allows non-travelling guests to visit Terminal C, which features 23 eateries and several shops. Visitors must apply for the program in advance and passes are only valid between 10 a.m. and 4 p.m.
- The PHL Wingmate Guest Pass, which allows visitors to access the airport's amenities and shops. This pass can be applied for in advance or on the same day.
While these programs allow non-travellers to pass through security, they are still subject to TSA security screenings and other standard airport security procedures.
It is important to note that the ability to re-enter the terminal after leaving through security varies depending on the airport. Some airports, such as those in the UK, keep departure and arrival areas completely separate, with no route to the outside world from the departure area. In such cases, it may not be possible to exit through security and then re-enter.
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You can re-enter through security after leaving the terminal
In most cases, you can re-enter through security after leaving the terminal. However, this depends on several factors, including the airport, the country, and whether you are travelling internationally or domestically.
In the US, for example, you will need to hold a boarding pass for a flight that day to re-enter the terminal. Some US airports, such as San Antonio International Airport, also offer special pass programs that allow non-ticketed visitors to enter the airport and spend time with their friends and family. These programs typically require an application in advance and a valid government-issued ID upon arrival at the airport.
In the UK, airports keep departure and arrival areas completely separate, so to go landside while in transit, you would need to head landside straight from arrivals.
For international flights, it can be more complex as you have been recorded as leaving the country. However, if you are travelling domestically, you can usually just walk out again.
It is important to note that re-entering security may require additional time and cause potential delays, so it is advisable to plan accordingly and arrive at the airport early.
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You may need to go through security twice if you forget something
It is possible to go back through airport security if you have forgotten something, but it may be a complicated process. Some airports, such as those in the UK, keep departure and arrival areas completely separate, with no route to the outside world from the departures area. In such cases, you will not be able to exit and re-enter through security.
However, at other airports, it may be possible to exit and re-enter through security, although you may need to be escorted by staff and have your boarding pass "released" on the security system. It is important to leave enough time to get back through security, as you will likely need to go through the screening process again.
If you have forgotten something at a security checkpoint, you can contact the TSA, as they are eager to help reunite travelers with their lost belongings. They recover close to 100,000 lost items each year. You can fill out a form with detailed information about the lost item, including the date and approximate time it was lost, as well as a description.
If you have left an item in the airport terminal (restroom, gate area, restaurant), you can contact the airport directly. If you left the item in a rental car, you should contact the rental car company.
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TSA Pre-Check and Global Entry can speed up security
If you're looking to speed up your security process at the airport, signing up for TSA PreCheck or Global Entry could be a good option. These are federal trusted traveler programs that allow you to go through special security lanes, usually resulting in faster and less intrusive screenings.
TSA PreCheck is a program that expedites security screenings for flights departing from US airports. It is managed by the US Transportation Security Administration and works with three enrollment partners. The cost of TSA PreCheck varies depending on the enrollment partner and whether it is a new membership or a renewal. For example, for first-timers, the cost is $78 through Idemia, $85 through Telos, or $77.95 through Clear for a five-year membership. Renewing TSA PreCheck online costs $70 with Idemia and Telos and $68.95 with Clear.
Global Entry, on the other hand, is a more comprehensive program that includes TSA PreCheck benefits. It provides expedited US customs screening for international travelers arriving at US airports. This program is managed by US Customs and Border Protection and costs $120 for a five-year membership. While Global Entry is more expensive, it is a better choice for international travelers. Additionally, applicants under 18 years old are free of charge when a parent or legal guardian is already a member or concurrently applying for Global Entry, NEXUS, SENTRI, or similar memberships.
It's important to note that there are costs and time commitments associated with applying for either option, including interviews. However, some credit cards or frequent flyer programs may cover the cost of these programs. Understanding the restrictions on carry-on luggage and what is allowed through security can also help speed up the process and avoid any issues.
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You can bring small bottles of alcohol under 3.4 oz through security
If you're wondering whether you can bring alcohol through airport security, the answer is yes—but only if it's in containers smaller than 3.4 ounces (100 ml) and the alcohol by volume (ABV) is under 70% (140 proof). This rule applies to both checked and carry-on bags. Any alcohol with an ABV of 70% or higher is prohibited.
Mini bottles of alcohol in carry-on bags must be able to fit comfortably into a single quart-sized bag. This is in line with the standard rules for liquids, which state that travellers are allowed one quart-sized bag of liquids through security. All liquids, not just alcohol, must adhere to this rule and fit inside the quart-sized bag, with no individual container exceeding 3.4 ounces.
It's important to note that while you can bring small bottles of alcohol through security, you are not permitted to consume it in-flight. Federal Aviation Administration (FAA) regulations prohibit travellers from consuming alcohol on board an aircraft unless it is served by a flight attendant. Additionally, flight attendants are not permitted to serve passengers who are already intoxicated.
If you plan to purchase alcohol at the duty-free store after passing through security, ensure that the bottles are packed in a transparent, tamper-evident bag, and keep the receipt to prove that the purchase was made within the last 48 hours.
Regarding your question about exiting and re-entering the terminal through security, it may be possible to do so, but it depends on the airport's policies and your specific situation. Some airports, such as those in the UK, keep departure and arrival areas completely separate, making it challenging to exit and re-enter the terminal through security. However, in other airports, it may be possible to exit and re-enter, but you may need to go through additional security checks and present your boarding pass or other identification again. It's always best to check with the specific airport or airline for their policies and procedures regarding this matter.
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Frequently asked questions
Yes, you can go back through airport security if you've already passed, but you will need to go through security again.
If you have checked luggage, you will have to let someone know that you would like it back.
Yes, you will need to show your boarding pass again. Keep it with you at all times.
It gets slightly complex if you are in a part of the airport used for international departures in countries that engage in exit controls, because you've been recorded as leaving the country.
















