An airplane descends toward a runway at an airport in Zurich. The city and Swiss mountains unfold in the background.

Winter Travel Advisory

The Centers for Disease Control and Prevention (CDC) continues to recommend that travelers take precautions against COVID-19 over the winter travel season.

Domestic Travel During COVID-19:

International Travel to and from the United States:

International travelers should be aware that some countries continue to have COVID-19 entry requirements. For country-specific information on entry requirements, travelers should visit the U.S. State Departments COVID-19 website. Currently, China has the most travel requirements, with travelers having to provide a PCR COVID test 48 hours before travel and quarantining for eight days upon arrival.

Travelers can use this resource to find testing sites near them. Travelers should confirm their chosen testing facility can make an appointment in time for them to travel and can provide results that meet entry and travel requirements. Additionally, some international airports such as SFO offer testing on-site before you travel (see SFO COVID-19 Testing).

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