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Rockford

$132+ Cheap flights from Ontario (ONT) 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 1/22. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — RFD
Jan 8 — Jan 151
Thu 1/8
Thu 1/15
1 adult, Economy
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Cheap flight deals from Ontario to Rockford

Cheapest flights from Ontario to Rockford
Explore the most affordable flight options available from Ontario to Rockford. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 9, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/9. 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.
Mon 12/226:00 pmONT - RFD
1 stop15h 25mMultiple Airlines
Sat 1/312:15 pmRFD - ONT
1 stop13h 06mMultiple Airlines
Deal found 12/9$402
This Kiwi.com deal was found by Cheapflights users on 12/7. 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.
Sat 12/206:00 amONT - RFD
1 stop27h 55mMultiple Airlines
Sun 1/111:24 pmRFD - ONT
1 stop7h 00mMultiple Airlines
Deal found 12/7$408
This Kiwi.com deal was found by Cheapflights users on 12/9. 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.
Mon 12/226:00 pmONT - RFD
1 stop15h 25mMultiple Airlines
Tue 12/3012:15 pmRFD - ONT
1 stop7h 07mMultiple Airlines
Deal found 12/9$516
This Kiwi.com deal was found by Cheapflights users on 12/7. 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 12/106:15 amONT - RFD
1 stop28h 15mMultiple Airlines
Wed 12/1710:38 amRFD - ONT
2 stops32h 44mMultiple Airlines
Deal found 12/7$723
This Kiwi.com deal was found by Cheapflights users on 12/8. 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.
Fri 12/1910:12 pmONT - RFD
2 stops35h 43mMultiple Airlines
Tue 12/2312:15 pmRFD - ONT
1 stop7h 07mMultiple Airlines
Deal found 12/8$805
This Kiwi.com deal was found by Cheapflights users on 12/8. 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.
Fri 12/192:45 pmONT - RFD
2 stops17h 34mMultiple Airlines
Sun 12/2112:45 pmRFD - ONT
1 stop6h 57mMultiple Airlines
Deal found 12/8$816

Find flight deals from Ontario to Rockford

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) 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 December 9, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$402
(Kiwi.com)

One-way from

$132
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$367
Provider with most accurate pricing for Ontario-Chicago Greater Rockford flight deals.
Search Deals
Provider most trusted by Cheapflights users for Ontario-Chicago Greater Rockford flights.
Search Deals
From Ontario to Chicago Greater Rockford
Search Deals
One-way flight from Ontario to Chicago Greater Rockford
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($35 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 December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario 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 December 9, 2025.
Use the filters below to find and compare flights from Ontario to Chicago Greater Rockford Airport that are best for you.

Fly from

Ontario

Fly to

Rockford

Route

Depart

Return

Price

OntarioChicago

ONT - RFD

ONTRFD

Ontario

Mon 12/22

6:00 pm-11:25 am

1 stop15h 25m

Chicago Greater Rockford

Sat 1/3

12:15 pm-11:21 pm

1 stop13h 06m

$402

OntarioChicago

ONT - RFD

ONTRFD

Ontario

Sat 12/20

6:00 am-11:55 am

1 stop27h 55m

Chicago Greater Rockford

Sun 1/11

1:24 pm-6:24 pm

1 stop7h 00m

$408

OntarioChicago

ONT - RFD

ONTRFD

Ontario

Mon 12/22

6:00 pm-11:25 am

1 stop15h 25m

Chicago Greater Rockford

Tue 12/30

12:15 pm-5:22 pm

1 stop7h 07m

$516

OntarioChicago

ONT - RFD

ONTRFD

Ontario

Fri 12/19

10:12 pm-11:55 am

2 stops35h 43m

Chicago Greater Rockford

Tue 12/23

12:15 pm-5:22 pm

1 stop7h 07m

$805

OntarioChicago

ONT - RFD

ONTRFD

Ontario

Fri 12/19

2:45 pm-10:19 am

2 stops17h 34m

Chicago Greater Rockford

Sun 12/21

12:45 pm-5:42 pm

1 stop6h 57m

$816

OntarioChicago

ONT - RFD

ONTRFD

Ontario

Thu 1/22

8:48 pm-5:26 pm

2 stops18h 38m

$132

OntarioChicago

ONT - RFD

ONTRFD

Ontario

Sat 12/20

5:16 pm-11:55 am

1 stop16h 39m

$269

OntarioChicago

ONT - RFD

ONTRFD

Ontario

Fri 1/2

5:54 pm-11:25 am

1 stop15h 31m

$318

OntarioChicago

ONT - RFD

ONTRFD

Ontario

Tue 12/23

6:00 am-4:49 pm

3 stops32h 49m

$357

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/8

Compare providers for flights from Ontario 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 Ontario to Rockford in December.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy2 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 Ontario-Chicago Greater Rockford Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Ontario-Chicago Greater Rockford Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Ontario-Chicago Greater Rockford Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ontario-Chicago Greater Rockford Airport flights, Cheapflights users trust eDreams the most. eDreams 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 Ontario-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 Ontario to Rockford

Have a flexible travel schedule? Discover the best time to fly to Rockford from Ontario 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 Ontario 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 Ontario to Chicago Greater Rockford?

    If you book a flight to Chicago Greater Rockford from Ontario, you will be flying from Ontario, which is the city’s only airport. Ontario (ONT) is located 3.1 mi from the center of Ontario. There are 0 flights from Ontario to Chicago Greater Rockford per day from 0 different airlines.

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

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

  • How can I find direct flights from Ontario to Rockford?

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

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

    Yes. Cheapflights offers flight deals from Ontario 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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