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Chicago Rockford International Airport to San Francisco International Airport flight
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Chicago Rockford International Airport to San Francisco International Airport Flights Info

Cheapest one-way
€155
Allegiant Air Allegiant Air 28h 12m · 1 stop Thu, Dec 3
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Cheapest return
€252
Allegiant Air Allegiant Air 11h 55m · 2 stops Mon, Jan 11 - Tue, Jan 12
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Recommended airlines
Allegiant Air Allegiant AirCheapest· From €155 American Airlines American AirlinesMost booked

Explore the cheapest one-way and round-trip flights from Chicago Rockford International Airport to San Francisco International Airport over the next 90 days, with one-way fares from €155 and round-trip from €252. Based on Trip.com's latest 7-day flight data.

    • RFD 12:42
      11h 55m
      1 stop
      SFO 22:37
      Chicago - San Francisco | Mon, Jan 11 | Allegiant Air
      SFO 11:59
      6h 59m
      1 stop
      ORD 20:58
      San Francisco - Chicago | Tue, Jan 12 | Frontier Airlines
      €252 €646
      61% off
      61% off
      €646 €252
    • RFD 12:37
      24h 24m
      1 stop
      SFO 11:01
      Chicago - San Francisco | Mon, Nov 23 | Allegiant Air
      SFO 05:23
      6h 52m
      1 stop
      ORD 14:15
      San Francisco - Chicago | Sat, Nov 28 | American Airlines
      €288 €646
      55% off
      55% off
      €646 €288
    • RFD 12:42
      11h 55m
      1 stop
      SFO 22:37
      Chicago - San Francisco | Fri, Jan 8 | Allegiant Air
      SFO 11:59
      6h 59m
      1 stop
      ORD 20:58
      San Francisco - Chicago | Tue, Jan 12 | Frontier Airlines
      €293 €646
      55% off
      55% off
      €646 €293
    • RFD 21:02
      11h 55m
      1 stop
      SFO 06:57
      Chicago - San Francisco | Wed, Dec 23 | Allegiant Air
      SFO 16:11
      11h 38m
      1 stop
      ORD 05:49
      San Francisco - Chicago | Wed, Dec 30 | Frontier Airlines
      €307
      52% off
      €646 €307
    • RFD 12:27
      20h 37m
      1 stop
      SFO 07:04
      Chicago - San Francisco | Fri, Dec 25 | Allegiant Air
      SFO 22:21
      6h 33m
      1 stop
      ORD 06:54
      San Francisco - Chicago | Thu, Dec 31 | Frontier Airlines
      €308
      52% off
      €646 €308
    • RFD 12:27
      25h 17m
      1 stop
      SFO 11:44
      Chicago - San Francisco | Mon, Jan 4 | Allegiant Air
      SFO 23:58
      14h 48m
      1 stop
      MDW 16:46
      San Francisco - Chicago | Sun, Jan 10 | Frontier Airlines
      €316
      51% off
      €646 €316
    • RFD 21:02
      11h 55m
      1 stop
      SFO 06:57
      Chicago - San Francisco | Wed, Dec 30 | Allegiant Air
      SFO 21:46
      6h 14m
      1 stop
      ORD 06:00
      San Francisco - Chicago | Tue, Jan 5 | Frontier Airlines
      €350
      46% off
      €646 €350
    • RFD 12:22
      24h 39m
      1 stop
      SFO 11:01
      Chicago - San Francisco | Wed, Nov 25 | Allegiant Air
      SFO 23:26
      10h 7m
      1 stop
      MDW 11:33
      San Francisco - Chicago | Tue, Dec 1 | Frontier Airlines
      €387
      40% off
      €646 €387
    • RFD 12:47
      12h 46m
      2 stops
      SFO 23:33
      Chicago - San Francisco | Fri, Dec 4 | Allegiant Air
      SFO 06:00
      4h 15m
      Direct
      MDW 12:15
      San Francisco - Chicago | Tue, Dec 8 |
      €461
      28% off
      €646 €461
    • CHI 13:00
      17h 25m
      1 stop
      SFO 14:00
      Chicago - San Francisco | Mon, Nov 16 | Normal Airline
      SFO 15:00
      6h
      Direct
      CHI 16:00
      San Francisco - Chicago | Wed, Nov 18 | Normal Airline
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    • Cheapest
      RFD 12:22
      28h 12m
      1 stop
      SFO 14:34
      Chicago - San Francisco | Thu, Dec 3 | Allegiant Air
      €155 €527
      71% off
      71% off
      €527 €155
    • RFD 12:27
      20h 37m
      1 stop
      SFO 07:04
      Chicago - San Francisco | Sat, Jan 9 | Allegiant Air
      €185 €527
      65% off
      65% off
      €527 €185
    • RFD 20:52
      18h
      1 stop
      SFO 12:52
      Chicago - San Francisco | Sat, Nov 21 | Allegiant Air
      €193 €527
      63% off
      63% off
      €527 €193
    • RFD 12:37
      24h 24m
      1 stop
      SFO 11:01
      Chicago - San Francisco | Sat, Nov 28 | Allegiant Air
      €254
      52% off
      €527 €254
    • RFD 20:37
      18h 15m
      1 stop
      SFO 12:52
      Chicago - San Francisco | Tue, Nov 24 | Allegiant Air
      €254
      52% off
      €527 €254
    • RFD 13:32
      12h 9m
      1 stop
      SFO 23:41
      Chicago - San Francisco | Mon, Dec 7 | Allegiant Air
      €458
      13% off
      €527 €458
    • CHI 13:00
      17h 25m
      1 stop
      SFO 14:00
      Chicago - San Francisco | Mon, Nov 16 | Normal Airline
      Find more flights
      Find more flights
    • RFD 13:32
      12h 9m
      1 stop
      SFO 23:41
      Chicago - San Francisco | Mon, Dec 7 | Allegiant Air
      €458 €527
      13% off
      13% off
      €527 €458
    • RFD 20:52
      18h
      1 stop
      SFO 12:52
      Chicago - San Francisco | Sat, Nov 21 | Allegiant Air
      €193 €527
      63% off
      63% off
      €527 €193
    • RFD 20:37
      18h 15m
      1 stop
      SFO 12:52
      Chicago - San Francisco | Tue, Nov 24 | Allegiant Air
      €254 €527
      52% off
      52% off
      €527 €254
    • RFD 12:27
      20h 37m
      1 stop
      SFO 07:04
      Chicago - San Francisco | Sat, Jan 9 | Allegiant Air
      €185
      65% off
      €527 €185
    • RFD 12:37
      24h 24m
      1 stop
      SFO 11:01
      Chicago - San Francisco | Sat, Nov 28 | Allegiant Air
      €254
      52% off
      €527 €254
    • RFD 12:22
      28h 12m
      1 stop
      SFO 14:34
      Chicago - San Francisco | Thu, Dec 3 | Allegiant Air
      €155
      71% off
      €527 €155
    • CHI 13:00
      17h 25m
      1 stop
      SFO 14:00
      Chicago - San Francisco | Mon, Nov 16 | Normal Airline
      Find more flights
      Find more flights

Displayed flight fares from Chicago to San Francisco 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 Francisco International Airport?

The cheapest airline flying from Chicago Rockford International Airport to San Francisco International Airport is Allegiant Air (from €155) among 1 carriers operating this route. Based on Trip.com's latest 7-day flight data.
easyJet logo easyJet Wizz Air UK logo Wizz Air UK British Airways logo British Airways Jet2.com logo Jet2.com Virgin Atlantic logo Virgin Atlantic
American Airlines logo American Airlines

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

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

    • The distance from San Francisco International Airport to downtown is about 17km, by taxi about 30 minutes.
  • The closest airport to San Francisco International Airport (SFO) is Oakland San Francisco Bay Airport. The distance is around 17km.
  • One-way flights from Chicago Rockford International Airport to San Francisco International Airport currently start from €155, and round-trip fares start from €252. The current lowest fare is a Allegiant Air flight departing on Thu, Dec 3; prices may vary depending on availability.
  • 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 Francisco International Airport is €201. Prices may vary depending on the departure date, airline, and availability.
  • Enter Chicago Rockford International Airport and San Francisco 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

Trip.com shows the cancellation and change policies for each flight ticket during the booking process, including any fees and applicable conditions. Please check the following scenarios:
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.