$612+ Cheap flights from Idaho to Greater Rockford (RFD)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/13. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — RFD
Jan 17 — Jan 241
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Idaho 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 Idaho to Rockford
Best flights from Idaho to RockfordDiscover carefully curated flight deals from Idaho to Rockford that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 18, 2025.
Discover carefully curated flight deals from Idaho to Rockford that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 18, 2025.
This Kiwi.com deal was found by Cheapflights users on 12/14. 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 3/1311:15 amGEG - RFD
1 stop23h 48mAllegiant Air
Sun 3/1512:45 pmRFD - GEG
1 stop9h 46mAllegiant Air
Deal found 12/14![Allegiant Air logo]()
$612
Find flight deals from Idaho to Rockford
Keep the following information in mind while searching for Idaho to Rockford flight deals. Data was last updated December 18, 2025.
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $612 (Kiwi.com) |
Popular in | December |
Cheapest in | February |
Average price | $438 |
Cheapflights Fare Finder
Customize your flight search to find flights from Idaho 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 18, 2025.
Use the filters below to find and compare flights from Idaho to Chicago Greater Rockford Airport that are best for you.
Fly from
Idaho
Fly to
Rockford
Route
Depart
Return
Price
SpokaneChicago
GEG - RFD
GEGRFD
Spokane
Fri 3/13
11:15 am-1:03 pm
1 stop23h 48m
Chicago Greater Rockford
Sun 3/15
12:45 pm-8:31 pm
1 stop9h 46m
$612
Best time to book a flight from Idaho to Rockford
Have a flexible travel schedule? Discover the best time to fly to Rockford from Idaho 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.
Cheapflights Insights
Everything you need to know about your flight from Idaho to Chicago Greater Rockford Airport
No data available for this route at this time. Please check back soon.
Related info for your journey
Find useful and relevant information for your journey from Idaho to Rockford. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Chicago Greater Rockford Airport?
Book flights to Chicago Greater Rockford Airport if you plan to visit one of these locationsLansing
Merrillville
Hammond
Porter
Benton Harbor