
Popular airlines from Chicago to San Diego, CA (SAN-San Diego Intl.)
- Alaska Airlines
Alaska Airlines
- Southwest Airlines
Southwest Airlines
- Delta
Delta
- Frontier Airlines
Frontier Airlines
- American Airlines
American Airlines
- United
United
- JetBlue Airways
JetBlue Airways
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Cheap Flights from Chicago to San Diego (CHI-SAN)
Prices were available within the past 7 days and start at S$185 for one-way flights and S$305 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.










Find the cheapest month to fly from Chicago (CHI) to San Diego (SAN)
February is typically the cheapest month to fly
Frequently asked questions
Travel information
Origin airport | O'Hare Intl. |
|---|---|
Destination airport | San Diego Intl. |
Airlines serving | American Airlines, Delta, United |
Return price | S$305 |
Distance | 2752 km |
Book with confidence
Flights from Illinois to San Diego
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- Flights to San Diego Intl.
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