$527 Cheap Flights from Rockford (RFD) to South Bend (SBN)

View $527 flight on Sun, Dec 28, 2025Opens in a new window

Popular airlines from Rockford, IL (RFD-Greater Rockford) to South Bend Intl. Airport (SBN)

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Cheap Flights from Rockford to South Bend (RFD-SBN)

Prices were available within the past 7 days and start at $527 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flights from Rockford (RFD) to South Bend (SBN)
Origin airport
Greater Rockford
Destination airport
South Bend Intl.
Distance
147 mi

Rockford to South Bend Flights

The cheapest times to fly from Rockford to South Bend

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Rockford to South Bend are during the month of . You can find some of the cheapest flights from Rockford to South Bend with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Rockford to South Bend

Sunday is one of the best days to book for cheap flights from Rockford to South Bend: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Rockford to South Bend

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Rockford to South Bend in 2026. You can also book with separate airlines for your outbound and return journeys, from $527 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Rockford to South Bend flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Rockford to South Bend airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Rockford, IL (RFD-Greater Rockford) to South Bend Intl. Airport (SBN) cost?
Secure a cheap one-way flight from $527 or cheap return flight from Rockford, IL (RFD-Greater Rockford) to South Bend Intl. Airport (SBN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Rockford, IL (RFD-Greater Rockford) to South Bend Intl. Airport (SBN)?
The cheapest month to fly from RFD to SBN is , when demand is low. Off-peak season is typically when you'll find cheap fares for travel between these airports.
What is the cheapest airline that flies from Rockford, IL (RFD-Greater Rockford) to South Bend Intl. Airport (SBN)?
Use the filters on Expedia to compare different airlines and find the most affordable carrier that'll fly you from RFD to SBN. Then, sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Rockford, IL (RFD-Greater Rockford) to South Bend Intl. Airport (SBN)?
There are no daily nonstop flights available from Rockford, IL (RFD-Greater Rockford) to South Bend Intl. Airport (SBN). But you can opt for flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be on your way before you know it.
What day of the week has the most flights from RFD to SBN?
Usually you'll find the most flight options available on a Friday. Tuesdays are often the quietest.* However, this can change depending on the airline, season and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Rockford, IL (RFD-Greater Rockford) to South Bend Intl. Airport (SBN)?
To avoid possible delays on the Rockford, IL (RFD-Greater Rockford) to South Bend Intl. Airport (SBN) route, travel before 3 PM. Later departures are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Rockford, IL (RFD-Greater Rockford) to South Bend Intl. Airport (SBN) last-minute?
Last-minute fares from RFD to SBN are typically more expensive. For the best prices, start searching for flights early. That being said, if you can play around with your travel dates, you may score a cheap fare just before your departure.
Is it cheaper to book a RFD to SBN flight and hotel package?
Securing a RFD to SBN flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Pick from our impressive range of accommodations and then add car rentals, activities and flights to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Rockford, IL (RFD-Greater Rockford) to South Bend Intl. Airport (SBN)?
In most cases, you can modify or cancel your RFD to SBN flight. However, there may be additional charges, especially if you made your booking over 24 hours ago. Double-check your itinerary for the airline's fees and policies on flight changes, or if you need further information, go to our Customer Service portal.

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*Available to One Key members.