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Rockford

$127+ Cheap flights from San Diego (SAN) to Greater Rockford (RFD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/29. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — RFD
Apr 21 — Apr 281
Tue 4/21
Tue 4/28
1 adult, Economy
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Find cheap flights from San Diego to Rockford with Cheapflights

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Cheap flight deals from San Diego to Rockford

Cheapest flights from San Diego to Rockford
Explore the most affordable flight options available from San Diego to Rockford. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 22, 2026.

This Kiwi.com deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/207:34 pm
SAN
-
RFD
1 stop14h 47m
Multiple Airlines
Mon 6/19:13 pm
RFD
-
SAN
1 stop20h 18m
Multiple Airlines
Deal found 3/20$289
This Kiwi.com deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/211:38 pm
SAN
-
RFD
1 stop28h 45m
Multiple Airlines
Mon 6/19:13 pm
RFD
-
SAN
1 stop20h 18m
Multiple Airlines
Deal found 3/20$307
This Kiwi.com deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/109:53 pm
SAN
-
RFD
1 stop12h 30m
Multiple Airlines
Mon 6/159:10 pm
RFD
-
SAN
1 stop20h 22m
Multiple Airlines
Deal found 3/18$321
This Kiwi.com deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/94:17 pm
SAN
-
RFD
1 stop26h 06m
Multiple Airlines
Mon 8/39:13 pm
RFD
-
SAN
1 stop20h 19m
Multiple Airlines
Deal found 3/19$325
This Kiwi.com deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/124:17 pm
SAN
-
RFD
1 stop17h 57m
Multiple Airlines
Mon 6/159:10 pm
RFD
-
SAN
1 stop20h 22m
Multiple Airlines
Deal found 3/20$326
This Kiwi.com deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/89:53 pm
SAN
-
RFD
1 stop12h 31m
Multiple Airlines
Mon 8/39:13 pm
RFD
-
SAN
1 stop20h 19m
Multiple Airlines
Deal found 3/19$328
This Kiwi.com deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/109:53 pm
SAN
-
RFD
1 stop12h 30m
Multiple Airlines
Wed 6/178:50 pm
RFD
-
SAN
1 stop20h 42m
Multiple Airlines
Deal found 3/18$332
This Kiwi.com deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/282:29 pm
SAN
-
RFD
1 stop21h 32m
Multiple Airlines
Fri 5/18:35 pm
RFD
-
SAN
1 stop19h 49m
Multiple Airlines
Deal found 3/18$334
This Kiwi.com deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/104:17 pm
SAN
-
RFD
1 stop17h 56m
Multiple Airlines
Mon 8/39:13 pm
RFD
-
SAN
1 stop20h 19m
Multiple Airlines
Deal found 3/19$335
This Kiwi.com deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/249:53 pm
SAN
-
RFD
1 stop12h 30m
Multiple Airlines
Fri 7/39:13 pm
RFD
-
SAN
1 stop20h 19m
Multiple Airlines
Deal found 3/19$336
This Kiwi.com deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/284:17 pm
SAN
-
RFD
1 stop25h 42m
Multiple Airlines
Mon 8/39:13 pm
RFD
-
SAN
1 stop20h 19m
Multiple Airlines
Deal found 3/19$337
This Kiwi.com deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/71:38 pm
SAN
-
RFD
1 stop28h 07m
Multiple Airlines
Sun 5/1712:50 pm
RFD
-
SAN
2 stops25h 53m
Multiple Airlines
Deal found 3/17$338

Find flight deals from San Diego to Rockford

Discover tips and strategies to find the most affordable flight options for your journey from San Diego (SAN) to Rockford (RFD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 22, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$289
(Kiwi.com)

One-way from

$127
(Kiwi.com)

Popular in

April

Cheapest in

February

Average price

$287
Provider with most accurate pricing for San Diego-Chicago Greater Rockford flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Diego-Chicago Greater Rockford flights.
Search Deals
From San Diego to Chicago Greater Rockford
Search Deals
One-way flight from San Diego to Chicago Greater Rockford
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($49 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Diego to Rockford that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 22, 2026.
Use the filters below to find and compare flights from San Diego to Chicago Greater Rockford Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San DiegoChicago

SAN - RFD

SANRFD

San Diego

Wed 6/10

9:53 pm-12:23 pm

1 stop12h 30m

Chicago Greater Rockford

Mon 6/15

9:10 pm-3:32 pm

1 stop20h 22m

$321

San DiegoChicago

SAN - RFD

SANRFD

San Diego

Wed 6/10

9:53 pm-12:23 pm

1 stop12h 30m

Chicago Greater Rockford

Wed 6/17

8:50 pm-3:32 pm

1 stop20h 42m

$332

San DiegoChicago

SAN - RFD

SANRFD

San Diego

Tue 4/28

2:29 pm-2:01 pm

1 stop21h 32m

Chicago Greater Rockford

Fri 5/1

8:35 pm-2:24 pm

1 stop19h 49m

$334

San DiegoChicago

SAN - RFD

SANRFD

San Diego

Thu 5/7

1:38 pm-7:45 pm

1 stop28h 07m

Chicago Greater Rockford

Sun 5/17

12:50 pm-12:43 pm

2 stops25h 53m

$338

San DiegoChicago

SAN - RFD

SANRFD

San Diego

Wed 6/10

9:53 pm-12:23 pm

1 stop12h 30m

Chicago Greater Rockford

Sun 6/14

1:13 pm-8:58 pm

1 stop9h 45m

$379

San DiegoChicago

SAN - RFD

SANRFD

San Diego

Fri 6/12

4:17 pm-12:14 pm

1 stop17h 57m

Chicago Greater Rockford

Sun 6/14

1:13 pm-8:58 pm

1 stop9h 45m

$384

San DiegoChicago

SAN - RFD

SANRFD

San Diego

Wed 5/13

10:07 pm-12:00 pm

1 stop11h 53m

Chicago Greater Rockford

Mon 5/18

8:35 pm-3:31 pm

1 stop20h 56m

$387

San DiegoChicago

SAN - RFD

SANRFD

San Diego

Wed 3/25

2:08 pm-11:55 am

1 stop19h 47m

Chicago Greater Rockford

Wed 4/8

3:02 pm-7:21 am

1 stop18h 19m

$390

San DiegoChicago

SAN - RFD

SANRFD

San Diego

Thu 6/11

4:17 pm-8:20 pm

1 stop26h 03m

Chicago Greater Rockford

Mon 6/15

9:10 pm-3:32 pm

1 stop20h 22m

$398

San DiegoChicago

SAN - RFD

SANRFD

San Diego

Wed 3/25

2:08 pm-11:55 am

1 stop19h 47m

Chicago Greater Rockford

Thu 4/2

12:45 pm-8:07 pm

1 stop9h 22m

$452

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/22

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

Compare providers for flights from San Diego to Rockford

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Diego to Rockford in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on San Diego-Chicago Greater Rockford Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Diego-Chicago Greater Rockford Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Diego-Chicago Greater Rockford Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Diego-Chicago Greater Rockford Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Diego-Chicago Greater Rockford Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from San Diego to Rockford

Have a flexible travel schedule? Discover the best time to fly to Rockford from San Diego with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from San Diego to Rockford. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from San Diego to Chicago Greater Rockford?

    Most people fly from San Diego (SAN) if they book a flight from San Diego to Chicago Greater Rockford. On average, San Diego has 0 outbound flights to Chicago Greater Rockford per day from 0 airlines. San Diego is conveniently located just 2.6 mi from San Diego’s city center.

  • Can I find deals for flights from San Diego to Rockford that include hotel bookings?

    Yes. In addition to deals on San Diego to Rockford flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Diego to Rockford?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Diego to Rockford.

  • Can I find deals for business class flights from San Diego to Rockford?

    Yes. Cheapflights offers flight deals from San Diego to Rockford by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Chicago Greater Rockford Airport?

Book flights to Chicago Greater Rockford Airport if you plan to visit one of these locations
Lansing
Merrillville
Hammond
Porter
Benton Harbor

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