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Rockford

$168+ 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 10/8. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — RFD
Aug 7 — Aug 141
Fri 8/7
Fri 8/14
1 adult, Economy
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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 July 8, 2026.

This Kiwi.com deal was found by Cheapflights users on 7/6. 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 10/27:24 pm
SAN
-
RFD
1 stop22h 44m
Multiple Airlines
Mon 10/51:57 pm
RFD
-
SAN
1 stop21h 05m
Multiple Airlines
Deal found 7/6$307
This Kiwi.com deal was found by Cheapflights users on 7/4. 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 8/123:03 pm
SAN
-
RFD
1 stop19h 31m
Multiple Airlines
Sun 8/169:21 am
RFD
-
SAN
2 stops12h 45m
Multiple Airlines
Deal found 7/4$324
This Kiwi.com deal was found by Cheapflights users on 7/7. 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 7/284:12 pm
SAN
-
RFD
1 stop25h 47m
Multiple Airlines
Mon 8/39:13 pm
RFD
-
SAN
1 stop20h 14m
Multiple Airlines
Deal found 7/7$328
This Kiwi.com deal was found by Cheapflights users on 7/4. 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 8/44:12 pm
SAN
-
RFD
1 stop25h 56m
Multiple Airlines
Sun 8/99:21 am
RFD
-
SAN
2 stops16h 30m
Multiple Airlines
Deal found 7/4$334
This Kiwi.com deal was found by Cheapflights users on 7/5. 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 9/36:25 am
SAN
-
RFD
1 stop26h 54m
Multiple Airlines
Mon 9/71:39 pm
RFD
-
SAN
1 stop12h 05m
Multiple Airlines
Deal found 7/5$339
This Kiwi.com deal was found by Cheapflights users on 7/8. 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 7/293:03 pm
SAN
-
RFD
1 stop19h 21m
Multiple Airlines
Wed 8/58:58 pm
RFD
-
SAN
1 stop20h 45m
Multiple Airlines
Deal found 7/8$350
This Kiwi.com deal was found by Cheapflights users on 7/7. 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 7/293:03 pm
SAN
-
RFD
1 stop19h 21m
Multiple Airlines
Mon 8/39:13 pm
RFD
-
SAN
1 stop20h 14m
Multiple Airlines
Deal found 7/7$357
This Kiwi.com deal was found by Cheapflights users on 7/5. 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 7/223:03 pm
SAN
-
RFD
1 stop19h 21m
Multiple Airlines
Sun 7/261:14 pm
RFD
-
SAN
1 stop8h 52m
Multiple Airlines
Deal found 7/5$369
This Kiwi.com deal was found by Cheapflights users on 7/6. 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 8/206:25 am
SAN
-
RFD
2 stops12h 20m
Multiple Airlines
Sun 8/239:35 pm
RFD
-
SAN
1 stop24h 39m
Multiple Airlines
Deal found 7/6$377

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 July 8, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$307
(Kiwi.com)

One-way from

$168
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$354
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. 17% potential increase in price ($58 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 July 8, 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

Fri 10/2

7:24 pm-8:08 pm

1 stop22h 44m

Chicago Greater Rockford

Mon 10/5

1:57 pm-9:02 am

1 stop21h 05m

$307
Quickest round-trip

San DiegoChicago

SAN - RFD

SANRFD

San Diego

Wed 8/12

3:03 pm-12:34 pm

1 stop19h 31m

Chicago Greater Rockford

Sun 8/16

9:21 am-8:06 pm

2 stops12h 45m

$324

San DiegoChicago

SAN - RFD

SANRFD

San Diego

Tue 7/28

4:12 pm-7:59 pm

1 stop25h 47m

Chicago Greater Rockford

Mon 8/3

9:13 pm-3:27 pm

1 stop20h 14m

$328

San DiegoChicago

SAN - RFD

SANRFD

San Diego

Tue 8/4

4:12 pm-8:08 pm

1 stop25h 56m

Chicago Greater Rockford

Sun 8/9

9:21 am-11:51 pm

2 stops16h 30m

$334

San DiegoChicago

SAN - RFD

SANRFD

San Diego

Wed 7/29

3:03 pm-12:24 pm

1 stop19h 21m

Chicago Greater Rockford

Wed 8/5

8:58 pm-3:43 pm

1 stop20h 45m

$350

San DiegoChicago

SAN - RFD

SANRFD

San Diego

Wed 7/29

3:03 pm-12:24 pm

1 stop19h 21m

Chicago Greater Rockford

Mon 8/3

9:13 pm-3:27 pm

1 stop20h 14m

$357

San DiegoChicago

SAN - RFD

SANRFD

San Diego

Thu 9/3

6:25 am-11:19 am

1 stop26h 54m

Chicago Greater Rockford

Mon 9/7

6:02 pm-3:41 pm

2 stops23h 39m

$372

San DiegoChicago

SAN - RFD

SANRFD

San Diego

Thu 8/20

6:25 am-8:45 pm

2 stops12h 20m

Chicago Greater Rockford

Sun 8/23

9:35 pm-8:14 pm

1 stop24h 39m

$377
Cheapest one-way
Quickest one-way

San DiegoChicago

SAN - RFD

SANRFD

San Diego

Thu 10/8

10:25 am-8:13 pm

1 stop7h 48m

$168

San DiegoChicago

SAN - RFD

SANRFD

San Diego

Tue 8/4

3:03 pm-10:47 am

3 stops41h 44m

$172

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/8

Showing 1-10 of 18 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 July.
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
Benton Harbor
Hammond
Lansing
Merrillville
Valparaiso
Porter

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