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Chicago Rockford International Airport to San Diego International Airport flight

Find the cheapest Chicago to San Diego flights over the next 3 months. One-way fares from €172, return fares from €172.

    • Cheapest
      RFD 12:37
      10h 7m
      1 stop
      SAN 20:44
      Chicago - San Diego | Sun, Nov 22 | Allegiant Air
      €172 €366
      53% off
      53% off
      €366 €172
    • RFD 13:32
      20h 23m
      1 stop
      SAN 07:55
      Chicago - San Diego | Sat, Nov 28 | Allegiant Air
      €263 €366
      28% off
      28% off
      €366 €263
    • CHI 13:00
      17h 25m
      1 stop
      SAN 14:00
      Chicago - San Diego | Sun, Nov 1 | Normal Airline
      Find more flights
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    • RFD 12:37
      10h 7m
      1 stop
      SAN 20:44
      Chicago - San Diego | Sun, Nov 22 | Allegiant Air
      €172 €366
      53% off
      53% off
      €366 €172
    • RFD 13:32
      20h 23m
      1 stop
      SAN 07:55
      Chicago - San Diego | Sat, Nov 28 | Allegiant Air
      €263 €366
      28% off
      28% off
      €366 €263
    • CHI 13:00
      17h 25m
      1 stop
      SAN 14:00
      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 €109) among 1 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Allegiant Air
From €109

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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 2,674.25km
Cheapest one-way ticket price €172

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 3km, by taxi about 20 minutes.
    • The distance from McClellan-Palomar Airport to downtown is about 47km, by taxi about 1 hour.
  • 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.

Find Cheap Flights with Trip.com

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

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Prices displayed on this page are all-inclusive (including taxes, fuel surcharges, civil aviation development fund, etc.), with all fees confirmed before payment. Fees for luggage, meals, Wi-Fi, 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 have been updated within the last 24 hours—sometimes even in real time. The more popular the route, the more accurate the data.

Change & Cancellation Policy

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Voluntary cancellation/change:
To request a change or cancellation, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and flight segment, and submit your request. Please note that additional charges may apply according to the airline's ticket policy.
Cancellation/change due to a flight schedule change:
If the flight schedule has changed and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please visit the customer support pages.