Cheap flights from Milwaukee, WI to San Francisco, CA
Flights starting at $168. Choose between United Airlines, Delta Air Lines, or American Airlines to find the best price.
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Tips to know when travelling to San Francisco
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Check-in for a flight from Milwaukee to San Francisco
Name | Carrier code | IATA Code | Passport needed during booking | Online check-in available |
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United Airlines | UAL | UA | Yes | No |
Delta Air Lines | DAL | DL | Yes | Opens 24 days before flight Closes 1 hours before flight |
American Airlines | AAL | AA | Yes | No |
Frontier Airlines | FFT | F9 | No | Opens 24 days before flight Closes 1 hours before flight |
Spirit Airlines | NKS | NK | No | Opens 24 days before flight Closes 1 hours before flight |
United States COVID-19 travel restrictions

Latest COVID-19 restrictions
United States
Travel is allowed
No proof of negative pre-departure COVID-19 test results required
No quarantine required

Most travelers from Milwaukee, MKE with proof of full COVID-19 vaccination can enter San Francisco, SFO, but there are restrictions.
Departure
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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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