There are 7 airports in Chicago: DuPage Airport, Chicago Executive Airport, Merrill C Meigs, Chicago Union Railway Station, Chicago Midway International Airport, Chicago Rockford International Airport and O'Hare International Airport.

The best price for a return flight from San Diego to Chicago is €79.54. The average price for a ticket is €109.66

There are 5 airlines that directly fly from San Diego to Chicago: American Airlines, Alaska Airlines, United Airlines, Silk Avia and Southwest Airlines.