$180 Cheap Flights from Rapid City (RAP) to Rockford (RFD)

View $180 flight on Tue, May 26, 2026Opens in a new window

Popular airlines from Rapid City Regional Airport (RAP) to Rockford, IL (RFD-Greater Rockford)

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Cheap Flights from Rapid City to Rockford (RAP-RFD)

Prices were available within the past 7 days and start at $180 for one-way flights and $300 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed, Apr 22 - Mon, Apr 27
RAP
Rapid City
RFD
Rockford
$300 Roundtrip, found 1 hour ago
$300
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Wed, Apr 22 from Rapid City to Rockford, returning Mon, Apr 27, priced at $300 found 1 hour ago
American Airlines
Fri, May 15 - Tue, May 19
RAP
Rapid City
RFD
Rockford
$330 Roundtrip, found 3 hours ago
$330
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Fri, May 15 from Rapid City to Rockford, returning Tue, May 19, priced at $330 found 3 hours ago
American Airlines
Tue, Apr 28 - Thu, Apr 30
RAP
Rapid City
RFD
Rockford
$350 Roundtrip, found 23 hours ago
$350
Roundtrip
found 23 hours ago
Select American Airlines flight, departing Tue, Apr 28 from Rapid City to Rockford, returning Thu, Apr 30, priced at $350 found 23 hours ago
American Airlines
Wed, Apr 22 - Mon, Apr 27
RAP
Rapid City
RFD
Rockford
$369 Roundtrip, found 1 hour ago
$369
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Wed, Apr 22 from Rapid City to Rockford, returning Mon, Apr 27, priced at $369 found 1 hour ago
American Airlines
Fri, May 15 - Wed, May 20
RAP
Rapid City
RFD
Rockford
$379 Roundtrip, found 3 hours ago
$379
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Fri, May 15 from Rapid City to Rockford, returning Wed, May 20, priced at $379 found 3 hours ago
American Airlines
Fri, May 15 - Tue, May 19
RAP
Rapid City
RFD
Rockford
$399 Roundtrip, found 3 hours ago
$399
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Fri, May 15 from Rapid City to Rockford, returning Tue, May 19, priced at $399 found 3 hours ago
American Airlines
Fri, Apr 17 - Sun, Apr 19
RAP
Rapid City
RFD
Rockford
$409 Roundtrip, found 23 hours ago
$409
Roundtrip
found 23 hours ago
Select American Airlines flight, departing Fri, Apr 17 from Rapid City to Rockford, returning Sun, Apr 19, priced at $409 found 23 hours ago
American Airlines
Tue, Apr 28 - Thu, Apr 30
RAP
Rapid City
RFD
Rockford
$419 Roundtrip, found 23 hours ago
$419
Roundtrip
found 23 hours ago
Select American Airlines flight, departing Tue, Apr 28 from Rapid City to Rockford, returning Thu, Apr 30, priced at $419 found 23 hours ago
American Airlines
Thu, May 14 - Sun, May 17
RAP
Rapid City
RFD
Rockford
$429 Roundtrip, found 1 day ago
$429
Roundtrip
found 1 day ago
Select American Airlines flight, departing Thu, May 14 from Rapid City to Rockford, returning Sun, May 17, priced at $429 found 1 day ago
American Airlines
Tue, Sep 1 - Wed, Sep 9
RAP
Rapid City
RFD
Rockford
$439 Roundtrip, found 2 days ago
$439
Roundtrip
found 2 days ago
Select American Airlines flight, departing Tue, Sep 1 from Rapid City to Rockford, returning Wed, Sep 9, priced at $439 found 2 days ago

Frequently asked questions

How much does a flight from Rapid City Regional Airport (RAP) to Rockford, IL (RFD-Greater Rockford) cost?
Grab a cheap one-way flight from $180 or cheap return flight from $300 from Rapid City Regional Airport (RAP) to Rockford, IL (RFD-Greater Rockford) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Rapid City Regional Airport (RAP) to Rockford, IL (RFD-Greater Rockford)?
April is the cheapest month to fly from RAP to RFD. Avoiding peak travel times is often the key to finding better deals on flights.
What is the cheapest airline that flies from Rapid City Regional Airport (RAP) to Rockford, IL (RFD-Greater Rockford)?
To find the cheapest airline flying from RAP to RFD, use Expedia's filter tool. Customize your search based on your travel style, such as preferred carriers and ideal departure window. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from Rapid City Regional Airport (RAP) to Rockford, IL (RFD-Greater Rockford)?
Direct flights from Rapid City Regional Airport (RAP) to Rockford, IL (RFD-Greater Rockford) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filters. Enter your dates and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from RAP to RFD?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can change based on various factors, including the carrier and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Rapid City Regional Airport (RAP) to Rockford, IL (RFD-Greater Rockford)?
To avoid possible delays on the Rapid City Regional Airport (RAP) to Rockford, IL (RFD-Greater Rockford) route, travel before 3 PM. Departures after this time have a 22% higher chance of being 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 Rapid City Regional Airport (RAP) to Rockford, IL (RFD-Greater Rockford) last-minute?
Last-minute fares from RAP to RFD are typically more expensive. To secure the lowest rates, start looking for flights ahead of time. That being said, if you're flexible with your travel plans, it's possible to find a cheap fare right before your journey.
Can I cancel or change the date of my flight from Rapid City Regional Airport (RAP) to Rockford, IL (RFD-Greater Rockford)?
If you reserved your RAP to RFD flight within the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the fare type you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for more information.

Travel information

Origin airport
Rapid City Regional
Destination airport
Greater Rockford
Airlines serving
American Airlines
Roundtrip price
$299
Distance
714 mi

Book with confidence

Rapid City to Rockford Flights

The cheapest times to fly from Rapid City to Rockford

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 Rapid City to Rockford are during the month of April. You can find some of the cheapest flights from Rapid City to Rockford with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Rapid City to Rockford

Sunday is one of the best days to book for cheap flights from Rapid City to Rockford: 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 Rapid City to Rockford

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 Rapid City to Rockford in 2026. You can also book with separate airlines for your outbound and return journeys, from $180 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 Rapid City to Rockford 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 Rapid City to Rockford 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.

 

Rapid City to Rockford Flights

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*Available to One Key members.