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United States Entry Requirements

United States Entry Requirements

Visa, immigration, and customs information

Important Notice Entry requirements can change at any time. Always verify current requirements with official government sources before traveling.
Before you travel: official formalities

  • ESTA (Electronic System for Travel Authorization)

    Who
    Nationals of Visa Waiver Program countries travelling to the United States without a visa, by air, sea or land
    When
    Before travel
    Cost
    USD 40.27 per approved authorisation (fiscal year 2026)

    Travellers under the Visa Waiver Program must hold an approved ESTA before travelling. Apply only on the official ESTA website.

    Official site
    Checked against the official source 2026-09-26
Entering the United States involves a layered system of travel authorizations that depends heavily on your nationality, the purpose of your visit, and how long you intend to stay. For many travelers, the process begins well before departure, with electronic pre-authorization or a visa application at a US embassy or consulate. The system is thorough but manageable if you prepare in advance, and the key is understanding which category applies to you. The United States operates a Visa Waiver Program that allows nationals of certain countries to travel without obtaining a traditional visa, provided they secure an approved ESTA (Electronic System for Travel Authorization) before departure. Travelers who do not qualify for the Visa Waiver Program will need to apply for a visa through a US embassy or consulate, a process that typically includes an in-person interview. Requirements can shift, so it is worth verifying your specific situation through the official US government immigration website before booking anything. Regardless of how you enter, expect a customs and immigration inspection on arrival. Officers will review your travel documents, may ask about the purpose of your visit, and will determine your admission. Have your paperwork organized. Know your plans. This makes everything smoother.

Visa Requirements

Entry permissions vary by nationality. Find your category below.

The United States uses a tiered entry system. Whether you need an ESTA, a visa, or qualify for another arrangement depends on your nationality and travel purpose. The categories below outline the general framework, but eligibility, permitted stay, and specific requirements vary by passport, so checking the official US immigration website before travel is essential.

Visa-Free Entry
Varies by nationality and applicable agreement. Check the official immigration website for your specific allowance

Certain nationalities may enter the United States without a traditional visa under specific bilateral agreements or programs. Eligibility and the length of permitted stay depend on your passport and the terms that apply to your nationality.

Even where visa-free entry applies, travelers may still need to obtain an ESTA or meet other pre-arrival requirements. Conditions change, so verify your eligibility through official US government sources before departure.

Electronic Travel Authorization (ETA/eVisa)
Permitted stay depends on nationality. Consult the official immigration website

Nationals of Visa Waiver Program countries travelling to the United States by air, sea, or land without a visa must hold an approved ESTA (Electronic System for Travel Authorization) before travel. ESTA is an electronic pre-authorization, not a visa, and approval is needed before you board your flight or vessel.

How to Apply: Apply only through the official ESTA website, operated by US Customs and Border Protection. The application asks for biographical information, passport details, and eligibility questions. Processing can be near-instant in many cases, though applying at least 72 hours before departure is wise. An approved ESTA is generally valid for two years or until your passport expires, whichever comes first, and covers multiple entries within that window.
Cost: A per-application fee is charged for each approved ESTA authorization. Apply only through the official ESTA website to avoid unofficial third-party services that charge inflated fees.

The ESTA is specific to Visa Waiver Program participants. If your nationality does not qualify, you will need a visa instead. Travelers with certain criminal records, previous visa denials, or dual nationality involving specific countries may be ineligible for ESTA even if their passport country is in the program. An approved ESTA does not guarantee entry. The final decision rests with the Customs and Border Protection officer at the port of entry.

Visa Required
Varies by visa type and individual circumstances

Travelers whose nationality does not qualify for the Visa Waiver Program or other visa-free arrangements will need to apply for a US visa before travel. This involves an application through a US embassy or consulate, which typically includes an in-person interview.

How to Apply: The process generally involves completing an online application form, paying the application fee, scheduling an interview at a US embassy or consulate, and attending with supporting documents. Processing times vary considerably by location and time of year, so applying well in advance is advisable.

Multiple visa categories exist depending on purpose of travel, from tourism to business to study. The consular officer makes the final decision on each application. Having clear documentation of your travel plans, ties to your home country, and financial means to support your stay tends to strengthen an application.

Arrival Process

Arriving in the United States involves passing through immigration and customs inspection. The process is systematic and, while it can feel slow during peak periods, moves efficiently if you have your documents ready and know what to expect.

1
Complete pre-arrival requirements
Before you board, ensure your ESTA is approved (if traveling under the Visa Waiver Program) or that your visa is valid and current. Airlines typically check your authorization status at check-in or boarding. Some carriers also require advance passenger information to be submitted before departure.
2
Proceed to immigration inspection
On arrival at a United States port of entry, you will join the line for immigration inspection. Many airports now have Automated Passport Control kiosks or Global Entry terminals for eligible travelers. Others will speak directly with a Customs and Border Protection officer, who will review your passport, visa or ESTA status, and ask about the purpose and length of your visit.
3
Biometric collection
Most travelers entering the United States will have a photograph taken and fingerprints scanned digitally during the immigration process. This is standard procedure and applies to nearly all foreign nationals.
4
Collect your luggage
After clearing immigration, proceed to the baggage claim area to collect your checked bags. Luggage carts are typically available, though policies vary by airport.
5
Pass through customs
You will clear US Customs and Border Protection. A customs declaration, sometimes completed electronically before arrival, covers what you are bringing into the country. If you have nothing to declare, you will generally pass through quickly. If you are carrying items that require declaration, or are selected for inspection, expect a brief review of your bags.
6
Exit to arrivals
Once through customs, you are officially in the United States. Ground transportation, rental car counters, and other services are typically well signposted from the customs exit area.

Documents to Have Ready

Valid passport
Your passport should be valid for the duration of your intended stay. Some nationalities are subject to a six-month passport validity requirement, so check before departure. Make sure it is in good condition with no significant damage to the cover or data page.
Approved ESTA (Electronic System for Travel Authorization)
Required for nationals of Visa Waiver Program countries travelling to the United States by air, sea, or land without a visa. Apply only on the official ESTA website before travel. A per-application fee is charged for each approved authorization. Your ESTA must be approved before you board.
Valid US visa (if applicable)
If your nationality requires a visa, ensure it is valid, has not expired, and matches your purpose of travel. Carry any supporting documentation from your visa application.
Proof of onward or return travel
Immigration officers may ask to see evidence that you plan to leave the United States, such as a return flight booking or onward itinerary.
Evidence of accommodation and financial means
While not always requested, having proof of where you are staying and that you can financially support yourself during your visit helps if questioned.
Customs declaration
A declaration of goods you are bringing into the country. This may be completed electronically through a mobile app before arrival or on a paper form provided during your flight.

Tips for Smooth Entry

Apply for your ESTA or visa well before your departure date. While ESTA decisions often come quickly, leaving it to the last minute risks complications if additional processing is needed.
Keep your key documents accessible in your carry-on, not in checked luggage. Passport, visa or ESTA confirmation, accommodation details, and return flight information should all be at hand when you reach immigration.
Answer immigration questions honestly and concisely. Officers process thousands of travelers daily and appreciate clear, direct responses.
If you are connecting through the United States to another country, be aware that you will clear US immigration and customs at your first US port of entry, even if the United States is not your final destination. Factor in extra time for connections.
Certain airports offer Mobile Passport Control or Global Entry for faster processing. If you travel to the United States frequently, these programs can noticeably reduce your wait time at immigration.
Be patient during peak arrival times. Major US international airports can have long queues at immigration, in the afternoon when multiple flights from Europe and Asia arrive close together.

Customs & Duty-Free

US Customs and Border Protection enforces rules on what you can bring into the country. The United States has strict regulations around food, agricultural products, and certain medications, so understanding the basics before you pack tends to save time and potential trouble on arrival.

Alcohol
Typically one liter of alcoholic beverages per person
You must be at least 21 years old to bring alcohol into the United States. Individual state laws may impose additional restrictions, and quantities beyond the duty-free allowance are subject to duty and tax.
Tobacco
Generally 200 cigarettes or 100 cigars (non-Cuban origin) per person
You must meet the minimum age requirement, which is 21 in most states. Cuban cigars remain restricted for import into the United States. Specific limits can vary, so verifying current allowances before travel is worthwhile.
Currency
No limit on how much currency you may bring in. But amounts at or above the reporting threshold must be declared to customs
This applies to cash, monetary instruments, and certain negotiable items combined. Failure to declare amounts above the threshold can result in seizure of the funds and penalties. The requirement covers both US and foreign currency.
Gifts/Goods
A personal exemption applies on the total value of goods acquired abroad
The exemption amount depends on where you are arriving from and your residency status. Goods exceeding the exemption are subject to duty. Keeping receipts for items purchased abroad is good practice.

Prohibited Items

  • Most fresh fruits, vegetables, and meats from outside the United States, due to agricultural pest and disease concerns
  • Cuban cigars and most goods of Cuban origin
  • Absinthe containing thujone above permitted levels
  • Firearms and ammunition without proper federal permits
  • Counterfeit or pirated goods, including imitation brand-name merchandise
  • Most wildlife products, including ivory, certain skins, and items derived from endangered species
  • Controlled substances and drug paraphernalia
  • Confections with non-food objects embedded inside, such as Kinder Surprise eggs

Restricted Items

  • Prescription medications should be in their original labeled containers with a valid prescription. Quantities exceeding a personal supply may be questioned or confiscated
  • Certain foods, spices, and condiments are admissible but subject to inspection and may require declaration
  • Hunting trophies and animal products may require permits from the US Fish and Wildlife Service
  • Cultural artifacts and antiquities may need export documentation from the country of origin
  • Biological specimens and research materials typically require advance permits from relevant US agencies

Health Requirements

The United States does not impose extensive health documentation requirements for most short-term visitors, though there are a few situations where specific records matter and a couple of areas worth considering before you travel.

Required Vaccinations

  • A yellow fever vaccination certificate may be required if you are arriving from, or have recently transited through, a country where yellow fever transmission is a risk. Check with the official US health authority for the current list of affected countries before travel.

Recommended Vaccinations

  • Keep routine vaccinations current. Measles, mumps, rubella, and tetanus-diphtheria shots matter here.
  • Hepatitis An and hepatitis B vaccines are standard recommendations for international travel.
  • Flu shots are easy to find in the United States. Get one during flu season.

Health Insurance

The United States does not require visitors to carry health insurance. Medical care here costs more than almost anywhere else. Traveling without coverage is gambling with your savings. Buy a travel insurance policy that covers medical treatment, hospitalization, and emergency evacuation. Check that your policy includes the United States specifically. Some insurers exclude it or charge more because of high treatment costs.

Current Health Requirements: Most travelers need no health documents to enter the United States. The yellow fever vaccination certificate is the main exception. It applies to arrivals from countries where yellow fever is endemic. The United States does not routinely demand proof of vaccinations for short-term visits. Check official health authority websites before departure. Requirements shift.

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Important Contacts

Essential resources for your trip.

Embassy/Consulate
Find your country's embassy or consulate in the United States through your government's foreign affairs or consular website.
Your embassy helps with lost passports and emergencies. Register with your government's traveler program before departure. Smart move.
Immigration Authority
US Customs and Border Protection manages entry. US Citizenship and Immigration Services handles visas, extensions, and immigration status.
Use only official US government websites for ESTA applications, visa information, and entry requirements. Avoid scams. Avoid inflated fees.
Emergency
Dial 911 for police, fire, or medical emergencies anywhere in the United States
911 works from any phone. No local SIM required. For non-emergency police matters, call local precinct numbers. These vary by city.

Special Situations

Additional requirements for specific circumstances.

Traveling with Children

Children need their own passport and ESTA or visa to enter the United States. Infants too. If a child travels with one parent or with non-parents, carry a notarized consent letter from the absent parent or parents. Immigration officers may request it. Without it, expect delays or extended questioning at the border. Include the absent parent's contact details, travel dates, and itinerary.

Traveling with Pets

Dogs entering the United States need proof of current rabies vaccination. Rules differ by country of origin. Dogs from high-risk canine rabies countries face extra restrictions. These may include quarantine and advance CDC import permits. Cats face no federal vaccination requirement but may encounter state rules at your destination. Birds, reptiles, and exotic pets often need permits from the US Fish and Wildlife Service or USDA. Rules here have shifted recently. Verify current requirements with relevant agencies well before travel.

Extended Stays

Want to stay longer in the United States? Explore the right visa category for your situation. Tourism, study, work, or other classifications apply. Overstaying your authorized admission period, even slightly, risks future visa denials and re-entry bans. Already in the country and plans changed? Apply for an extension through US Citizenship and Immigration Services. Approval is not guaranteed. File before your current authorization expires. The official immigration website lists extension procedures and eligible categories.

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Frequently Asked Questions

How to Get a Visa?

Start by checking whether you need one, nationals of Visa Waiver Program countries can travel to the United States without a visa by obtaining an approved ESTA instead. If you do require a visa, you'll apply through your nearest US embassy or consulate, which typically involves completing the DS-160 form and attending an interview. Visit the official US government immigration website to confirm which path applies to your nationality.

Travel US Visa?

Whether you need a visa depends entirely on your nationality and purpose of travel. Travelers from Visa Waiver Program countries can enter the United States by air, sea, or land without a visa, they need an approved ESTA (Electronic System for Travel Authorization), which costs USD 40.27 per approved authorisation and should only be applied for through the official site at https://esta.cbp.dhs.gov/. If you're not eligible for the Visa Waiver Program, check the official US government immigration website for the visa that fits your situation.

Tourist Visa Usa?

The B-1/B-2 visitor visa is the standard tourist visa for the United States, obtained by applying at your nearest US embassy or consulate. If your country participates in the Visa Waiver Program, you don't need a tourist visa, an approved ESTA allows you to travel without one. Eligibility and permitted stay depend on your nationality, so check the official US government immigration website for specifics.