International Travel Information

Traveling outside the U.S. on Sun Country Airlines is always a pleasant journey, whether you're bound for the Caribbean, Costa Rica, or headed to Mexico. Here are some important things to know before you go.

Additional Screening of Tablets & Laptops on International Flights
Effective July 20, 2017, the Department of Homeland Security (DHS) and the Transportation Security Administration (TSA) are requiring additional security measures on flights from international destinations into the U.S., including heightened screening of any portable electronic device (PED) larger than a cell phone.  For more information, visit


All passengers traveling to international destinations (including U.S. and Canadian citizens) must have a valid passport. 

Your passport is the primary document for international travel and must be kept in good condition. Sun Country Airlines may deny boarding if a passport is damaged beyond normal wear and tear and/or there is evidence of intentional or material alterations or mutilations.

To ensure your travel plans are not interrupted, please make sure your passport is in good condition before you leave.

  • No holes, rips, or tears
  • No missing information
  • No water damage
  • Must have a cover that is intact
  • Must be current and signed

The U.S. Department of State recommends that passports be valid for at least six months after the expected return date.

Businessman Holding a Passport

For additional information, please visit the U.S. Department of State website.

Good To Know

  • As a reminder for those passengers returning to the United States that have a connecting flight, all liquids and gels over 3.4 ounces must be checked, including duty-free liquids. They cannot be carried onboard due to TSA regulations.
  • Mexican Entry Immigration Form Available Online
    • U.S. and Canadian citizens traveling to Mexico must fill out an official entry immigration form prior to their arrival. Forms are available during the flight, however, to expedite the immigration entry process, you can now complete the form online and print it prior to travel. You will need your passport, flight information, and address or name of your hotel. For more details and to access the form, visit​. Note that one form per traveler is required. 

Foreign citizens

Foreign citizens always need valid passports, and in many cases visas to travel abroad. Non-U.S. residents also need proof of return or onward flights out of the U.S. when entering the United States. Foreign citizens who are permanent U.S. residents will need to present their authorization to reside in U.S. (e.g. green card, refugee card, etc.). Please visit or for current information on specific requirements for entry into the U.S. It is the responsibility of the traveler to provide proper documentation to prevent detention, inconvenience, or being denied boarding.

Mexican citizens traveling to the US need both of the following:

  1. Mexican Citizens including children traveling to the U.S. must have a valid passport, visa (if required), and tickets/documents for a return or onward flight out of the U.S.
  2. Mexican Citizens including children traveling to Mexico must have a valid passport.

China National Citizens:

As of November 29, 2016, all citizens and nationals of the People’s Republic of China who have a B1/B2 10-year visa and are either living in or visiting the U.S., are required to have an advanced enrollment via EVUS (Electronic Visa Update System) prior to traveling to or from the U.S. Learn more about the EVUS program or enroll here

What To Bring

  • Your doctor's contact information and copies of prescriptions for any medication you are carrying.
  • Contact information for family and friends to be used in case of an emergency.
  • Confirmation documents for all portions of your trip: lodging, car reservations, etc.
  • Travelers checks.
  • Passengers travelling to Liberia, Costa Rica, must bring $29 USD cash for departure tax at the Costa Rica Tax Counter in LIR upon check-in.

What Not To Bring

  • Excessive amounts of cash or unnecessary credit cards.
  • Expensive jewelry.
  • Domestic fruits, vegetables, and produce.
  • Illegal drugs.
  • Unauthorized firearms.


U.S. Department of State offers an informational website on passports that contains everything you need to know. For additional information about traveling abroad, visit the U.S. Department of State website for advice, travel warnings, and other helpful resources.

The U.S. Customs website features useful information and preparation advice for U.S. citizens traveling abroad.

Maintaining your health is important when you travel abroad. The Centers for Disease Control and Prevention website is a great place to visit before you depart.

Ticketing and Check-In Doors

Airport Check-In

To check-in for any international flight, all members of your party must see a Sun Country Airlines agent at the ticket counter.

Kid Listening to Headphones on an Airplane

Traveling With Kids

If a minor traveling with an adult that is not his/her parent/legal guardian, a notarized letter of consent is required from both parent(s)/legal guardians.