San Diego, CA to Phoenix, AZ flights from $20
Flights starting at $20. Choose between Allegiant Air, Frontier Airlines, or American Airlines to find the best price.
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Weekly direct flights
Mondays | Tuesdays | Wednesdays | Thursdays | Fridays | Saturdays | Sundays | |
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Direct flights | 7 | 7 | 6 | 7 | 7 | 6 | 7 |
American Airlines on Mondays, Tuesdays, Wednesdays, Thursdays, Fridays, Saturdays, and Sundays.
JetBlue Airways on Mondays, Tuesdays, Wednesdays, Thursdays, Fridays, Saturdays, and Sundays.
Frontier Airlines on Mondays, Tuesdays, Thursdays, Fridays, Saturdays, and Sundays.
Check-in for a flight from San Diego to Phoenix
Name | Carrier code | IATA Code | Passport needed during booking | Online check-in available |
---|---|---|---|---|
Allegiant Air | AAY | G4 | No | Opens 24 days before flight Closes 1 hours before flight |
Frontier Airlines | FFT | F9 | No | Opens 24 days before flight Closes 1 hours before flight |
American Airlines | AAL | AA | Yes | No |
Spirit Airlines | NKS | NK | No | Opens 24 days before flight Closes 1 hours before flight |
United Airlines | UAL | UA | Yes | No |
United States COVID-19 travel restrictions

Most travelers from San Diego, SAN can enter Phoenix, PHX.
Departure
Travel restrictions |
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Additional information |
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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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