Passport, Visa & Entry Requirements

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Review visa and travel document requirements for your program destination. Select your country from the table below.

The information provided primarily applies to U.S. passport holders. If you are traveling on a non-U.S. passport, please check the embassy or consulate website of your destination country for specific entry requirements. Also, be sure to verify that you have the necessary documentation for re-entry into the United States, such as valid visas, green cards, or other required travel permits.

NOTE: We update this page regularly, but entry rules and requirements can change at any time. Even if you're traveling on a U.S. passport, we recommend checking official government websites for the most current information.

If you have already submitted passport information and need to update it, or if your passport has been lost and replaced, please email [email protected] to receive a new secure upload form.

IMPORTANT NOTE ON PASSPORT VALIDITY: While some countries do not require six months of passport validity, we strongly recommend it for international travel. Immigration officers may enforce rules inconsistently, and airlines can have stricter policies. To avoid any issues, please ensure your passport is valid for at least six months beyond your program end date.

IMPORTANT NOTE ON MINOR TRAVEL: Even if your destination does not require it, Walking Tree strongly recommends that all travelers under the age of 18 to complete and notarize a Minor Travel Consent Letter. Please carry this document with you throughout the duration of your program. Click here to download the form.

1. Passport Validity Requirement

  • A passport valid for the length of stay is required. Walking Tree strongly recommends that your passport is valid for at least six months beyond your program end date.

2. Visa & Travel Authorization Requirements

  • No visa required for U.S. passport holders.
  • If you are not a U.S. passport holder, please check the destination country's embassy or consulate for specific visa requirements.

3. Additional Entry/Exit Documentation

  • Minor Travel Consent Letter (must be notarized) is required for entry.

4. Embassy/Consulate in the U.S.

5. U.S. Embassy/Consulate in Belize

1. Passport Validity Requirement

  • Your passport must be valid at time of entry. Walking Tree strongly recommends that your passport is valid for at least six months beyond your program end date.

2. Visa & Travel Authorization Requirements

  • No visa required for U.S. passport holders.
  • If you are not a U.S. passport holder, please check the destination country's embassy or consulate for specific visa requirements.

3. Additional Entry/Exit Documentation

  • Minor Travel Consent Letter (does not need to be certified) is strongly recommended for travelers under 18 upon entry.
    • Click here to download the form.
    • A photocopy of the parents' or legal guardians' signed passports or national identity cards should be attached to the letter.
    • Read more about this requirement here.

4. Embassy/Consulate in the U.S.

5. U.S. Embassy/Consulate in Canada

1. Passport Validity Requirement

  • Your passport must be valid for the duration of stay. Walking Tree strongly recommends that your passport is valid for at least six months beyond your program end date.
  • To book domestic flights within Chile, we require your passport information well in advance. Please ensure your details are submitted as early as possible. Delays in submitting this information may affect travel planning.

2. Visa & Travel Authorization Requirements

  • No visa required for U.S. passport holders.
  • If you are not a U.S. passport holder, please check the destination country's embassy or consulate for specific visa requirements.

3. Additional Entry/Exit Documentation

  • No additional documentation required.

4. Embassy/Consulate in the U.S.

5. U.S. Embassy/Consulate in Chile

1. Passport Validity Requirement

  • Your passport must be valid at the time of entry and for the duration of stay. Walking Tree strongly recommends that your passport is valid for at least six months beyond your program end date.

2. Visa & Travel Authorization Requirements

  • No visa required for U.S. passport holders.
  • If you are not a U.S. passport holder, please check the destination country's embassy or consulate for specific visa requirements.
  • Travelers must complete Migración Colombia's Online Check-Mig Form within 72 hours of boarding an inbound or outbound flight from Colombia. There is no fee to complete the form.

3. Additional Entry/Exit Documentation

  • Minor Travel Consent Letter (must be notarized) is required for travelers under 18 to be admitted at hotels and/or tours.
  • Proof of Onward Travel
    • Immigration authorities may request evidence of return or onward travel, such as a round-trip ticket or an itinerary showing departure from Colombia.

4. Embassy/Consulate in the U.S.

5. U.S. Embassy/Consulate in Colombia

1. Passport Validity Requirement

  • Your passport must be valid for the length of stay. Walking Tree strongly recommends that your passport is valid for at least six months beyond your program end date.

2. Visa & Travel Authorization Requirements

  • No visa required for U.S. passport holders.
  • If you are not a U.S. passport holder, please check the destination country's embassy or consulate for specific visa requirements.
  • Non-U.S. citizen travelers who are entering from and returning to the United States, must present valid, unexpired, travel documents (e.g., visas or permanent resident cards) to Costa Rican immigration authorities proving their permission to re-enter the United States. This requirement includes all non-U.S. citizen travelers, even those accompanying U.S. citizens. Costa Rican immigration authorities will not accept letters of extension, or re-entry permits, from U.S. Citizenship and Immigration Services (USCIS).

3. Additional Entry/Exit Documentation

  • No additional documentation required.

4. Embassy/Consulate in the U.S.

5. U.S. Embassy/Consulate in Costa Rica

1. Passport Validity Requirement

  • While Denmark itself requires your passport to be valid for at least 90 days beyond your intended departure, the Schengen Area as a whole recommends at least six months of validity at the time of entry.
  • Since Denmark is part of the Schengen Zone, we advise following the six-month requirement to avoid any issues with airlines or immigration officials.

2. Visa & Travel Authorization Requirements

  • An Electronic Travel Information and Authorization System (ETIAS) will be required for U.S. passport holders transiting through or traveling to the Schengen Area. ETIAS is expected to become operational in 2026, but it is not yet in effect.
  • If you are not a U.S. passport holder, please check the destination country's embassy or consulate for specific visa requirements.

3. Additional Entry/Exit Documentation

  • No additional documentation required.

4. Embassy/Consulate in the U.S.

5. U.S. Embassy/Consulate in Denmark

1. Passport Validity Requirement

  • Your passport must be valid for at least six months beyond the date of departure.
  • To book domestic flights within Ecuador, we require your passport information well in advance. Please ensure your details are submitted as early as possible. Delays in submitting this information may affect travel planning.

2. Visa & Travel Authorization Requirements

  • No visa required for U.S. passport holders for tourism or business stays of up to 90 days.
  • If you are not a U.S. passport holder, please check the destination country's embassy or consulate for specific visa requirements.

3. Additional Entry/Exit Documentation

  • Visitors to the Galápagos must obtain a Transit Control Card at the airport for a fee. Pre-registration is available online but must be finalized at the airport. Walking Tree takes care of the preregistration and payment.

4. Embassy/Consulate in the U.S.

5. U.S. Embassy/Consulate in Ecuador

1. Passport Validity Requirement

  • While France itself requires your passport to be valid for at least three months beyond your departure date, the Schengen Area as a whole requires at least six months of validity at the time of entry.
  • Since France is part of the Schengen Zone, we advise following the six-month requirement to avoid any issues with airlines or immigration officials.

2. Visa & Travel Authorization Requirements

  • An Electronic Travel Information and Authorization System (ETIAS) will be required for U.S. passport holders transiting through or traveling to the Schengen Area. ETIAS is expected to become operational in 2026, but it is not yet in effect.
  • If you are not a U.S. passport holder, please check the destination country's embassy or consulate for specific visa requirements.

3. Additional Entry/Exit Documentation

  • No additional documentation required.

4. Embassy/Consulate in the U.S.

5. U.S. Embassy/Consulate in France

1. Passport Validity Requirement

2. Visa & Travel Authorization Requirements

  • An Electronic Travel Information and Authorization System (ETIAS) will be required for U.S. passport holders transiting through or traveling to the Schengen Area. ETIAS is expected to become operational in 2026, but it is not yet in effect.
  • If you are not a U.S. passport holder, please check the destination country's embassy or consulate for specific visa requirements.

3. Additional Entry/Exit Documentation

  • No additional documentation required.

4. Embassy/Consulate in the U.S.

5. U.S. Embassy/Consulate in Greece

1. Passport Validity Requirement

  • Your passport must be valid at time of entry. While there is no minimum validity period required, it's advisable to ensure your passport is valid for at least six months beyond your intended date of arrival. Walking Tree strongly recommends that your passport is valid for at least six months beyond your program end date.

2. Visa & Travel Authorization Requirements

  • No visa required for U.S. passport holders.
  • If you are not a U.S. passport holder, please check the destination country's embassy or consulate for specific visa requirements.
  • Before arriving in Guatemala, all travelers must complete an Electronic Guatemalan immigration form, also known as the Regional Traveler Affidavit and obtain a QR code to present to authorities.
    • Click here to complete the form. Note: If you select to fill out the form in English, in drop down menus, United States is listed as “Estados Unidos.”

3. Additional Entry/Exit Documentation

  • Entry Stamp
    • Ensure that your passport is stamped upon entry into Guatemala. Failure to obtain an entry stamp may result in fines or delays upon departure.
  • Proof of Onward Travel
    • Immigration authorities may request evidence of return or onward travel, such as a round-trip ticket or an itinerary showing departure from Guatemala.

4. Embassy/Consulate in the U.S.

5. U.S. Embassy/Consulate in Guatemala

1. Passport Validity Requirement

  • Iceland requires your passport to be valid for at least three months beyond your departure date, the Schengen Area as a whole requires at least six months of validity at the time of entry.
  • Since Iceland is part of the Schengen Zone, we advise following the six-month requirement to avoid any issues with airlines or immigration officials.
  • More details: U.S. State Department - Iceland and U. S. State Department - Europe Schengen Area

2. Visa & Travel Authorization Requirements

  • An Electronic Travel Information and Authorization System (ETIAS) will be required for U.S. passport holders transiting through or traveling to the Schengen Area. ETIAS is expected to become operational in 2026, but it is not yet in effect.
  • If you are not a U.S. passport holder, please check the destination country's embassy or consulate for specific visa requirements.

3. Additional Entry/Exit Documentation

  • Minor Travel Consent Letter (does not need to be certified) is strongly recommended for travelers under 18 upon entry.
    • Click here to download the form.
    • A photocopy of the parents' or legal guardians' signed passports or national identity cards should be attached to the letter.
    • Read more about this requirement here.

4. Embassy/Consulate in the U.S.

5. U.S. Embassy/Consulate in Iceland

1. Passport Validity Requirement

  • While Italy itself requires your passport to be valid for at least three months beyond your departure date, the Schengen Area as a whole requires at least six months of validity at the time of entry.
  • Since Italy is part of the Schengen Zone, we advise following the six-month requirement to avoid any issues with airlines or immigration officials.

2. Visa & Travel Authorization Requirements

  • An Electronic Travel Information and Authorization System (ETIAS) will be required for U.S. passport holders transiting through or traveling to the Schengen Area. ETIAS is expected to become operational in 2026, but it is not yet in effect.
  • If you are not a U.S. passport holder, please check the destination country's embassy or consulate for specific visa requirements.

3. Additional Entry/Exit Documentation

  • No additional documentation required.

4. Embassy/Consulate in the U.S.

5. U.S. Embassy/Consulate in Italy

1. Passport Validity Requirement

  • A passport valid for the duration of stay is required. However, we strongly recommend having a passport that valid for at least six months beyond the date of departure, as airlines in Japan may deny you boarding for transit if your passport does not have six months of validity remaining.

2. Visa & Travel Authorization Requirements

  • No visa required for U.S. passport holders.
  • If you are not a U.S. passport holder, please check the destination country's embassy or consulate for specific visa requirements.

3. Additional Entry/Exit Documentation

  • No additional documentation required.

4. Embassy/Consulate in the U.S.

5. U.S. Embassy/Consulate in Japan

1. Passport Validity Requirement

  • Your passport must be valid at time of entry. Walking Tree strongly recommends that your passport is valid for at least six months beyond your program end date.

2. Visa & Travel Authorization Requirements

  • No visa required for U.S. passport holders.
  • If you are not a U.S. passport holder, please check the destination country's embassy or consulate for specific visa requirements.

3. Additional Entry/Exit Documentation

  • All foreign visitors (including U.S. passport holders) traveling to Mexico must obtain an Official Entry Immigration Form, commonly known as the Forma Migratoria Múltiple (FMM) or Tourist Card.
    • Click here to complete the FMM online before your trip. The process is free and simple, requiring only your passport and travel details.
    • If not completed online, airlines may provide the form during your flight, or you can get it upon arrival. However, filling it out in advance is highly recommended to avoid delays.

4. Embassy/Consulate in the U.S.

5. U.S. Embassy/Consulate in Mexico

1. Passport Validity Requirement

2. Visa & Travel Authorization Requirements

  • No visa required for U.S. passport holders.
  • If you are not a U.S. passport holder, please check the destination country's embassy or consulate for specific visa requirements.

3. Additional Entry/Exit Documentation

  • No additional documentation required.

4. Embassy/Consulate in the U.S.

5. U.S. Embassy/Consulate in Morocco

1. Passport Validity Requirement

  • Your passport must be valid for at least six months beyond the date of entry.

  • To book domestic flights within Peru, we require your passport information well in advance. Please ensure your details are submitted as early as possible. Delays in submitting this information may affect travel planning.

2. Visa & Travel Authorization Requirements

  • No visa required for U.S. passport holders.
  • If you are not a U.S. passport holder, please check the destination country's embassy or consulate for specific visa requirements.

3. Additional Entry/Exit Documentation

  • Minor Travel Consent Letter (must be notarized) is required for entry.
  • Proof of Onward Travel
    • Immigration authorities may request evidence of return or onward travel, such as a round-trip ticket or an itinerary showing departure from Peru. 
  • Entry Documentation
    • Upon arrival, your entry will be recorded digitally by Peruvian immigration authorities. It's important to ensure that your entry is properly documented, as you will need this record when exiting the country.

4. Embassy/Consulate in the U.S.

5. U.S. Embassy/Consulate in Peru

1. Passport Validity Requirement

  • U.S. citizens and permanent residents do not need a passport to travel to Puerto Rico. See below for acceptable forms of ID.
    • For travelers under 18: Acceptable forms of ID include a driver's license, learner's permit, school ID, library card, or certified birth certificate.
    • For travelers 18 and older: A state-issued photo ID, such as a driver's license or state ID card, is required and must be REAL ID compliant.
  • Non-U.S. passport holders or those requiring a visa for entry into the United States must travel with a valid passport.
    • It is recommended that your passport be valid for at least six months beyond your intended departure date.
    • Some countries are exempt from this six-month rule and only need a passport valid for the duration of their stay. To confirm the specific requirements for your nationality, please contact your local U.S. embassy or consulate.

2. Visa & Travel Authorization Requirements

  • No visa required for U.S. passport holders.
  • If you are not a U.S. passport holder, please ensure you carry the necessary documentation required for entry into the United States or proof of your current legal status in the U.S.

3. Additional Entry/Exit Documentation

  • No additional documentation required.

4. Embassy/Consulate in the U.S.

  • N/A

5. U.S. Embassy/Consulate in Puerto Rico

  • N/A

1. Passport Validity Requirement

2. Visa & Travel Authorization Requirements

  • No visa required for U.S. passport holders.
  • If you are not a U.S. passport holder, please check the destination country's embassy or consulate for specific visa requirements.

3. Additional Entry/Exit Documentation

  • No additional documentation required.

4. Embassy/Consulate in the U.S.

5. U.S. Embassy/Consulate in Senegal

1. Passport Validity Requirement

  • While Spain itself requires your passport to be valid for at least three months beyond your departure date, the Schengen Area as a whole requires at least six months of validity at the time of entry.
  • Since Spain is part of the Schengen Zone, we advise following the six-month requirement to avoid any issues with airlines or immigration officials.
  • To book domestic flights within Spain, we require your passport information well in advance. Please ensure your details are submitted as early as possible. Delays in submitting this information may affect travel planning.

2. Visa & Travel Authorization Requirements

  • An Electronic Travel Information and Authorization System (ETIAS) will be required for U.S. passport holders transiting through or traveling to the Schengen Area. ETIAS is expected to become operational in 2026, but it is not yet in effect.
  • If you are not a U.S. passport holder, please check the destination country's embassy or consulate for specific visa requirements.

3. Additional Entry/Exit Documentation

  • No additional documentation required.

4. Embassy/Consulate in the U.S.

5. U.S. Embassy/Consulate in Spain

1. Passport Validity Requirement

  • While Sweden itself requires your passport to be valid for at least three months beyond the period of stay, the Schengen Area as a whole recommends at least six months of validity at the time of entry.
  • Since Sweden is part of the Schengen Zone, we advise following the six-month requirement to avoid any issues with airlines or immigration officials.

2. Visa & Travel Authorization Requirements

  • An Electronic Travel Information and Authorization System (ETIAS) will be required for U.S. passport holders transiting through or traveling to the Schengen Area. ETIAS is expected to become operational in 2026, but it is not yet in effect.
  • If you are not a U.S. passport holder, please check the destination country's embassy or consulate for specific visa requirements.

3. Additional Entry/Exit Documentation

  • No additional documentation required.

4. Embassy/Consulate in the U.S.

5. U.S. Embassy/Consulate in Sweden

1. Passport Validity Requirement

  • Your passport must be valid for the length of stay. Walking Tree strongly recommends that your passport is valid for at least six months beyond your program end date.

2. Visa & Travel Authorization Requirements

  • No visa required for U.S. passport holders.
  • If you are not a U.S. passport holder, please check the destination country's embassy or consulate for specific visa requirements.

3. Additional Entry/Exit Documentation

  • To streamline the immigration process, Taiwan offers an Online Arrival Card for foreign visitors. Completing this card online before arrival can expedite your entry.

4. Embassy/Consulate in the U.S.

5. U.S. Embassy/Consulate in Taiwan

1. Passport Validity Requirement

2. Visa & Travel Authorization Requirements

  • No visa required for U.S. passport holders.
  • If you are not a U.S. passport holder, please check the destination country's embassy or consulate for specific visa requirements.

3. Additional Entry/Exit Documentation

  • No additional documentation required.

4. Embassy/Consulate in the U.S.

5. U.S. Embassy/Consulate in Thailand

1. Passport Validity Requirement

  • Your passport must be valid for the duration of your stay in the United Kingdom. Walking Tree strongly recommends that your passport is valid for at least six months beyond your program end date.

2. Visa & Travel Authorization Requirements

  • An Electronic Travel Authorization (ETA) is required for U.S. passport holders transiting through or traveling to the United Kingdom for tourism. More information can be found on the U.K. Government Website.
  • It is recommended to use the UK ETA App for a seamless application process, download it here. Alternatively, you can apply online here.
  • If you are not a U.S. passport holder, please check the destination country's embassy or consulate for specific visa requirements.

3. Additional Entry/Exit Documentation

  • No additional documentation required.

4. Embassy/Consulate in the U.S.

5. U.S. Embassy/Consulate in the United Kingdom

IMPORTANT NOTE ON DEVIATED FLIGHTS & SOLO TRAVEL: If you are traveling to or from your program on a deviated flight (outside the group itinerary), please contact [email protected] well in advance of your program.

If you plan to travel solo (without the group), you must have approval from your school administration. We also recommend that U.S. travelers under 18 complete and notarize a Minor Consent Form for Solo Travel. While it may not be required by your destination, having this document can help prevent potential travel complications and is generally advised for U.S. citizens under 18 traveling alone internationally. Download the template here.

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