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At this time, all airlines encourage their customers to check back often as both domestic and international travel requirements are changing daily. Please use the provided links to stay informed and up-to-date. All U.S. airlines and airports continue to require masks. 


Certain countries have temporary entry requirements. Use this interactive map to learn more about the prerequisites for your destination. 

If you are returning to the United States, passengers over two years of age need to present proof of a negative COVID-19 test taken within three days before departure and sign an attestation confirming a negative result.

Learn more at New CDC requirements FAQs and Delta’s Travel requirements guide.


International travel- find the latest country-specific information through the U.S. Department of State website

Traveling to the U.S., please also see the entry requirements below and visit the CDC State and Territorial Health website for up-to-date restrictions for each U.S. state.

Traveling within the United States, please visit the CDC state and territorial health website for up-to-date restrictions on each U.S. state.

If you have already booked your United flight, you can also find helpful information specific to you and your upcoming trip in United’s Travel-ready center.


General international information and requirements, as well as COVID-19 testing information, can be found at: Documents accepted for international travel.

Popular Alaska Airlines international destinations do have specific requirements so please visit the following advisory links if you are traveling to one of these countries. 


Costa Rica


The COVID-19 situation, including the spread of new or concerning variants, differs from country to country. All travelers need to pay close attention to the conditions at their destination before traveling.

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