Cheap flights from Chicago, IL to San Diego, CA
Flights starting at $60. Choose between United Airlines, Spirit Airlines, or Frontier Airlines to find the best price.
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Tips to know when travelling to San Diego
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Weekly direct flights
Mondays | Tuesdays | Wednesdays | Thursdays | Fridays | Saturdays | Sundays | |
---|---|---|---|---|---|---|---|
Direct flights | 7 | 6 | 6 | 7 | 7 | 7 | 6 |
American Airlines on Mondays, Tuesdays, Wednesdays, Thursdays, Fridays, Saturdays, and Sundays.
Alaska Airlines on Mondays, Wednesdays, Thursdays, and Saturdays.
United Airlines on Mondays, Tuesdays, Wednesdays, Thursdays, Fridays, Saturdays, and Sundays.
Check-in for a flight from Chicago to San Diego
Name | Carrier code | IATA Code | Passport needed during booking | Online check-in available |
---|---|---|---|---|
United Airlines | UAL | UA | Yes | No |
Spirit Airlines | NKS | NK | 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 |
Alaska Airlines | ASA | AS | Yes | Opens 24 days before flight Closes 1 hours before flight |
United States COVID-19 travel restrictions
Most travelers from Chicago, ORD can enter San Diego, SAN.
Departure
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.
Frequently asked questions
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Airports near Chicago
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Airports near San Diego
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