HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Rockford

$139+ 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 2/10. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — RFD
Feb 13 — Feb 201
Fri 2/13
Fri 2/20
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ontario to Rockford with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap 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 January 14, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Popular in

January

Cheapest in

September

Average price

$356
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
Highest demand for flights based on searches. 8% potential increase in price ($29 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Find flight deals from Ontario to Rockford

One-way flights from Ontario to Rockford
Search for one-way flight options from Ontario to Rockford. Find affordable one-way fares based on user searches. Data last updated January 14, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/11. 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 2/108:36 am
ONT
-
RFD
3 stops46h 01m
Multiple Airlines
Deal found 1/11$139
This Kiwi.com deal was found by Cheapflights users on 1/13. 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 2/47:15 am
ONT
-
RFD
2 stops27h 19m
Multiple Airlines
Deal found 1/13$173
This Trip.com deal was found by Cheapflights users on 1/12. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/179:10 pm
ONT
-
RFD
1 stop13h 24m
Multiple Airlines
Deal found 1/12$292
This Kiwi.com deal was found by Cheapflights users on 1/11. 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 2/196:05 am
ONT
-
RFD
3 stops24h 27m
Multiple Airlines
Deal found 1/11$296
This Kiwi.com deal was found by Cheapflights users on 1/10. 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 2/166:10 am
ONT
-
RFD
3 stops52h 50m
Multiple Airlines
Deal found 1/10$352

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 January 14, 2026.
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

Wed 2/4

7:15 am-12:34 pm

2 stops27h 19m

$173

OntarioChicago

ONT - RFD

ONTRFD

Ontario

Wed 4/1

6:15 am-11:55 am

1 stop27h 40m

$232

OntarioChicago

ONT - RFD

ONTRFD

Ontario

Tue 1/20

7:15 am-1:15 pm

2 stops28h 00m

$301

OntarioChicago

ONT - RFD

ONTRFD

Ontario

Thu 2/5

8:48 pm-11:16 am

3 stops36h 28m

$356

OntarioChicago

ONT - RFD

ONTRFD

Ontario

Mon 1/19

10:18 pm-1:15 pm

2 stops36h 57m

$365

OntarioChicago

ONT - RFD

ONTRFD

Ontario

Thu 4/2

10:12 pm-11:55 am

3 stops59h 43m

$402

OntarioChicago

ONT - RFD

ONTRFD

Ontario

Fri 4/17

7:08 pm-9:47 am

3 stops36h 39m

$493

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/13

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 January.
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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ontario to Rockford

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to O'Hare Intl flights
San Francisco to O'Hare Intl flights
Los Angeles to Midway flights
Santa Ana to O'Hare Intl flights
Ontario to O'Hare Intl flights
San Diego to O'Hare Intl flights
San Francisco to Midway flights
Burbank to O'Hare Intl flights
Las Vegas to O'Hare Intl flights
Sacramento to O'Hare Intl flights
San Jose to O'Hare Intl flights
Oakland to O'Hare Intl flights
Ontario to Midway flights
Long Beach to O'Hare Intl flights
Santa Ana to Midway flights
San Diego to Midway flights
Oakland to Midway flights
Burbank to Midway flights
Las Vegas to Midway flights
Fresno to O'Hare Intl flights
Sacramento to Midway flights
Reno to O'Hare Intl flights
Fresno to Midway flights
San Jose to Midway flights
Monterey to O'Hare Intl flights
Long Beach to Midway flights
Palm Springs to O'Hare Intl flights
Santa Barbara to O'Hare Intl flights
Reno to Midway flights
Bakersfield to O'Hare Intl flights
Santa Rosa to O'Hare Intl flights
San Luis Obispo to O'Hare Intl flights
Medford to O'Hare Intl flights
Palm Springs to Midway flights
Las Vegas to Rockford flights
Medford to Midway flights
San Francisco to Rockford flights
Los Angeles to Rockford flights
Redding to O'Hare Intl flights
Tijuana to O'Hare Intl flights
San Diego to Rockford flights
Tijuana to Midway flights
Bakersfield to Midway flights
Sacramento to Rockford flights
San Jose to Rockford flights
Oakland to Rockford flights
El Centro to O'Hare Intl flights
Burbank to Rockford flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.