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COVID-19 Testing and Travel Requirements

COVID-19 and travel at SEA Airport More Information

Know Before You Go

See what Seattle-Tacoma International Airport (SEA) is doing to keep the airport safe with FlyHealthy@SEA as well as the latest information on traveler impacts at the airport read COVID-19 FAQs at SEA Airport. For any information on flight information please contact your airline directly within 72 hours of your scheduled flight and use the CDC's COVID-19 Travel Planner for testing, mask, and quarantine requirements.

Current RequirementsTSA Mask Mandate

Face Masks Required Regardless of Vaccination Status

Testing and Quarantine

Fully Vaccinated vs. Unvaccinated Requirements

The CDC recommends delaying travel until you are fully vaccinated due to increased chance of getting and spreading COVID-19. All travelers should still follow CDC’s recommendations for traveling safely by wearing a mask over your nose and mouth, stay 6 feet from others and avoid crowds, and wash your hands often or use hand sanitizer.

  • Vaccinated Travel- Fully vaccinated travelers do not need to get tested before or after travel unless their destination requires it and do not need to self-quarantine for travel within the United States and U.S. territories.
  • Unvaccinated Travel - If you are not fully vaccinated and must travel, follow CDC’s recommendations:
    • Get tested with a viral test 3-5 days after travel and stay home and self-quarantine for a full 7 days after travel.E ven if you test negative, stay home and self-quarantine for the full 7 days. If your test is positive, isolate yourself to protect others from getting infected. If you don’t get tested, stay home and self-quarantine for 10 days after travel.
    • Avoid being around people who are at increased risk for severe illness for 14 days, whether you get tested or not. Self-monitor for COVID-19 symptoms; isolate and get tested if you develop symptoms.

Check if your destination requires quarantine or testing. Testing options are available for those who need it for other destinations or other requirements; Please do not travel if you have symptoms or feel ill.

Domestic Travel

Please refer to the city, county, and state's information and guidelines for more specific quarantine and testing requirements. Quarantine requirements for travelers with some exemptions for negative COVID-19 tests prior to arrival:

Washington State: At this time, Washington state does not require COVID-19 testing for any inbound or outbound domestic travel.

Hawaii:

International Travel Requirements

Please coordinate with the embassy for more information specific to your citizenship and other personal information and view the International COVID-19 Travel Regulations Map for specific information by country. The Department of State advises all U.S. citizens to read the country-specific Travel Advisories and U.S. Embassy COVID-19 pages for updates on the impact of COVID-19 worldwide. For emergency assistance, contact the nearest U.S. Embassy or Consulate or call the following numbers: 1 (888) 407-4747 (toll-free in the United States and Canada) or 1 (202) 501-4444 from other countries or jurisdictions.

For the United States:

All air passengers coming to the United States, including U.S. citizens and fully vaccinated people, are required to have a negative COVID-19 viral test result no more than 3 days before travel or documentation of recovery from COVID-19 in the past 3 months before they board a flight to the United States. Passengers are required to test negative with a viral test (with one of the two nucleic acid amplification tests (NAATs) and antigen tests) 72 hours before your trip. Keep a copy of your results with you during travel.

Recommendations For Fully Vaccinated People

Get tested with a viral test 3-5 days after travel. Self-monitor for COVID-19 symptoms; isolate and get tested if you develop symptoms. Follow all state and local recommendations or requirements after travel.

Recommendations For Unvaccinated People

Get tested with a viral test 3-5 days after travel AND stay home and self-quarantine for a full 7 days after travel. Even if you test negative, stay home and self-quarantine for the full 7 days. If your test is positive, isolate yourself to protect others from getting infected. If you don’t get tested, stay home and self-quarantine for 10 days after travel. Avoid being around people who are at increased risk for severe illness for 14 days, whether you get tested or not. Self-monitor for COVID-19 symptoms; isolate and get tested if you develop symptoms. Follow all state and local recommendations or requirements.

For Other Countries:

View a COVID-19 Country-by-Country Guide on Travel Restrictions

Resources and Information

The CDC offer other helpful resources for COVID-19 testing, including an overview, what your test results mean, and who should get tested.

Related to COVID-19 Testing and Travel Requirements

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