$327 Cheap Flights from Rockford (RFD) to Kailua-Kona (KOA)

View $327 flight on Wed, Apr 1, 2026Opens in a new window

Popular airlines from Rockford, IL (RFD-Greater Rockford) to Kona Intl. Airport (KOA)

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • one key icon

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from Rockford to Kailua-Kona (RFD-KOA)

Prices were available within the past 7 days and start at $327 for one-way flights and $652 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Fri, Jan 16 - Mon, Jan 26
RFD
Rockford
KOA
Kona Coast
$652 Roundtrip, found 4 days ago
$652
Roundtrip
found 4 days ago
Select American Airlines flight, departing Fri, Jan 16 from Rockford to Kona Coast, returning Mon, Jan 26, priced at $652 found 4 days ago
American Airlines
Fri, Jan 16 - Mon, Jan 26
RFD
Rockford
KOA
Kona Coast
$652 Roundtrip, found 4 days ago
$652
Roundtrip
found 4 days ago
Select American Airlines flight, departing Fri, Jan 16 from Rockford to Kona Coast, returning Mon, Jan 26, priced at $652 found 4 days ago
American Airlines
Fri, Jan 16 - Mon, Jan 26
RFD
Rockford
KOA
Kona Coast
$715 Roundtrip, found 4 days ago
$715
Roundtrip
found 4 days ago
Select American Airlines flight, departing Fri, Jan 16 from Rockford to Kona Coast, returning Mon, Jan 26, priced at $715 found 4 days ago
American Airlines
Fri, Jan 16 - Mon, Jan 26
RFD
Rockford
KOA
Kona Coast
$731 Roundtrip, found 4 days ago
$731
Roundtrip
found 4 days ago
Select American Airlines flight, departing Fri, Jan 16 from Rockford to Kona Coast, returning Mon, Jan 26, priced at $731 found 4 days ago
American Airlines
Fri, Jan 16 - Mon, Jan 26
RFD
Rockford
KOA
Kona Coast
$759 Roundtrip, found 4 days ago
$759
Roundtrip
found 4 days ago
Select American Airlines flight, departing Fri, Jan 16 from Rockford to Kona Coast, returning Mon, Jan 26, priced at $759 found 4 days ago
American Airlines
Fri, Jan 16 - Mon, Jan 26
RFD
Rockford
KOA
Kona Coast
$772 Roundtrip, found 4 days ago
$772
Roundtrip
found 4 days ago
Select American Airlines flight, departing Fri, Jan 16 from Rockford to Kona Coast, returning Mon, Jan 26, priced at $772 found 4 days ago
American Airlines
Fri, Jan 16 - Mon, Jan 26
RFD
Rockford
KOA
Kona Coast
$807 Roundtrip, found 4 days ago
$807
Roundtrip
found 4 days ago
Select American Airlines flight, departing Fri, Jan 16 from Rockford to Kona Coast, returning Mon, Jan 26, priced at $807 found 4 days ago
American Airlines
Fri, Jan 16 - Mon, Jan 26
RFD
Rockford
KOA
Kona Coast
$824 Roundtrip, found 4 days ago
$824
Roundtrip
found 4 days ago
Select American Airlines flight, departing Fri, Jan 16 from Rockford to Kona Coast, returning Mon, Jan 26, priced at $824 found 4 days ago
American Airlines
Fri, Jan 16 - Mon, Jan 26
RFD
Rockford
KOA
Kona Coast
$839 Roundtrip, found 4 days ago
$839
Roundtrip
found 4 days ago
Select American Airlines flight, departing Fri, Jan 16 from Rockford to Kona Coast, returning Mon, Jan 26, priced at $839 found 4 days ago
American Airlines
Fri, Jan 16 - Mon, Jan 26
RFD
Rockford
KOA
Kona Coast
$872 Roundtrip, found 4 days ago
$872
Roundtrip
found 4 days ago
Select American Airlines flight, departing Fri, Jan 16 from Rockford to Kona Coast, returning Mon, Jan 26, priced at $872 found 4 days ago
Flights from Rockford (RFD) to Kailua-Kona (KOA)
Origin airport
Greater Rockford
Destination airport
Kona Intl.
Roundtrip price
$651
Distance
4145 mi

Rockford to Kailua-Kona Flights

The cheapest times to fly from Rockford to Kailua-Kona

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 Kailua-Kona are during the month of January. You can find some of the cheapest flights from Rockford to Kailua-Kona with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Rockford to Kailua-Kona

Sunday is one of the best days to book for cheap flights from Rockford to Kailua-Kona: 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 Kailua-Kona

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 Kailua-Kona in 2025. You can also book with separate airlines for your outbound and return journeys, from $327 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 Kailua-Kona 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 Kailua-Kona 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 Kona Intl. Airport (KOA) cost?
Discover the latest flight deals from RFD to KOA by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from RFD to KOA?
The cheapest flights from RFD to KOA are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from RFD to KOA?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from RFD to KOA. 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 Kona Intl. Airport (KOA)?
You'll need to book a flight with a layover when traveling from Rockford, IL (RFD-Greater Rockford) to Kona Intl. Airport (KOA). Direct flights don't operate daily on this route. However, just filter your search to include one or two stops to discover an option that works for you.
What day of the week has the most flights from RFD to KOA?
Generally you'll find the largest variety of flight choices on a Friday. Tuesdays are often the quietest.* But this can change based on the airline, time of year 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 Kona Intl. Airport (KOA)?
To land at Kona Intl. Airport (KOA) on time, pick a flight that takes off from Rockford, IL (RFD-Greater Rockford) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**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 Kona Intl. Airport (KOA) last-minute?
Booking your flight from RFD to KOA right before your journey is usually more expensive. But if you're flexible with your schedule, you could grab a cheap last-minute fare.
Is it cheaper to book a RFD to KOA flight and hotel package?
You can save money by securing a RFD to KOA flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one convenient place. After choosing your preferred accommodations and flights, you can add extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from Rockford, IL (RFD-Greater Rockford) to Kona Intl. Airport (KOA)?
If you reserved your RFD to KOA flight in the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the type of fare 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.

Explore a world of travel with Expedia

*Available to One Key members.