Cheap flights from Cagliari to San Francisco, CA
Flights starting at $831. Choose between Ryanair, United Airlines, or Norse Atlantic Airways to find the best price.
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Tips to know when travelling to San Francisco
Cheapest one-way trip | $831 |
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Cheapest round-trip | $598 |
Average round-trip | $1539 |
Includes rare itinerary | Travel hack |
Most popular airline | Ryanair |
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Check-in for a flight from Cagliari to San Francisco
Name | Carrier code | IATA Code | Passport needed during booking | Online check-in available |
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Ryanair | RYR | FR | No | Opens 24 days before flight Closes 2 hours before flight |
United Airlines | UAL | UA | Yes | No |
Norse Atlantic Airways | NBT | N0 | Yes | 0 0 |
Norwegian | NAX | DY | No | Opens 24 days before flight Closes 2 hours before flight |
Volotea | VOE | V7 | No | Opens 96 days before flight Closes 2 hours before flight |
United States COVID-19 travel restrictions

Latest COVID-19 restrictions
United States
- Travel is allowed with restrictions for vaccinated travelers
- No proof of negative pre-departure COVID-19 test results or recovery certificate
- No quarantine required for vaccinated travelers

Most travelers from Italy can enter San Francisco, SFO, but there are restrictions.
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Return
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Information is provided as guidance only and accurate at the time of publishing. Always check government websites and airline materials before booking and traveling.
Learn more about COVID-19 restrictions in United States in our dedicated Stories article.
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