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Chicago Rockford International Airport to San Diego International Airport flight

Find flight deals from Chicago to San Diego for the next 3 months. Book one way flights from €263 or round trip flights from €263.

    • Cheapest
      RFD 1:32 PM
      20h 23m
      1 stop
      SAN 7:55 AM
      Chicago - San Diego | Sun, Nov 29 | Allegiant Air
      €263 €366
      28% off
      28% off
      €366 €263
    • CHI 1:00 PM
      17h 25m
      1 stop
      SAN 2:00 PM
      Chicago - San Diego | Sun, Nov 1 | Normal Airline
      Find more flights
      Find more flights
    • RFD 1:32 PM
      20h 23m
      1 stop
      SAN 7:55 AM
      Chicago - San Diego | Sun, Nov 29 | Allegiant Air
      €263 €366
      28% off
      28% off
      €366 €263
    • CHI 1:00 PM
      17h 25m
      1 stop
      SAN 2:00 PM
      Chicago - San Diego | Sun, Nov 1 | Normal Airline
      Find more flights
      Find more flights

Displayed flight fares from Chicago to San Diego are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Which airline offers the cheapest flights from Chicago Rockford International Airport to San Diego International Airport?

The cheapest airline flying from Chicago Rockford International Airport to San Diego International Airport is Allegiant Air (from €263) among 1 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Allegiant Air
From €263

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About Chicago Rockford International Airport and San Diego International Airport

Learn about Chicago Rockford International Airport (RFD) and San Diego International Airport (SAN) — including location, terminals, transportation, and travel tips.

Flight distance 2,674.25 km
Cheapest one-way ticket price €263

FAQs for Chicago Rockford International Airport to San Diego International Airport Flights

  • What is the transportation method from the main airport to downtown in San Diego?

    • The distance from San Diego International Airport to downtown is about 3 km. It takes about 20 minutes by taxi.
    • The distance from McClellan-Palomar Airport to downtown is about 47 km. It takes about 1 hour by taxi.
  • Based on Trip.com flight data for departures within the next 30 days with at most one stop, the average one-way price from Chicago Rockford International Airport to San Diego International Airport is €166. Prices may vary depending on the departure date, airline, and availability.
  • Enter Chicago Rockford International Airport and San Diego International Airport, select your departure date and number of passengers, then compare flights by price, flight duration, and baggage allowance. Once you've chosen a fare, review the change and refund rules, fill in passenger details, and pay to receive your booking confirmation.

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Note: Prices shown on this page are estimated lowest price and include all taxes and fees found in the last 24 hours.

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Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, WLAN, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page were updated within last 24 hours—even in real-time. The more popular the route, the more precise the data.

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