HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Rockford

$218+ Cheap flights from Idaho 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 2/20. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — RFD
Mar 5 — Mar 121
Thu 3/5
Thu 3/12
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

Cheapest flights from Idaho to Rockford
Explore the most affordable flight options available from Idaho to Rockford. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 3, 2026.

This Kiwi.com deal was found by Cheapflights users on 2/1. 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 3/69:55 am
GEG
-
RFD
1 stop23h 18m
Allegiant Air
Sun 3/812:40 pm
RFD
-
GEG
1 stop9h 47m
Allegiant Air
Deal found 2/1$705

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 February 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$705
(Kiwi.com)

One-way from

$218
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$328
Provider with most accurate pricing for Boise Air Term. Gowen Fld-Chicago (CHI) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-Chicago (CHI) flights.
Search Deals
From Idaho to Chicago Greater Rockford
Search Deals
One-way flight from Idaho to Chicago Greater Rockford
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($11 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 0% potential price decrease ($3 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

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 February 3, 2026.
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 3/6

9:55 am-11:13 am

1 stop23h 18m

Chicago Greater Rockford

Sun 3/8

12:40 pm-8:27 pm

1 stop9h 47m

$705

SpokaneChicago

GEG - RFD

GEGRFD

Spokane

Fri 2/20

9:54 am-11:10 am

1 stop23h 16m

$218

SpokaneChicago

GEG - RFD

GEGRFD

Spokane

Thu 4/16

11:32 am-7:45 pm

2 stops30h 13m

$270

SpokaneChicago

GEG - RFD

GEGRFD

Spokane

Sun 3/22

9:21 pm-10:52 am

3 stops59h 31m

$324

SpokaneChicago

GEG - RFD

GEGRFD

Spokane

Tue 2/24

7:06 pm-9:47 am

3 stops36h 41m

$406

SpokaneChicago

GEG - RFD

GEGRFD

Spokane

Sun 4/5

9:24 pm-11:19 am

3 stops59h 55m

$556

SpokaneChicago

GEG - RFD

GEGRFD

Spokane

Fri 2/20

8:29 pm-9:47 am

3 stops35h 18m

$761

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/2

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.

  • How long is the flight from Idaho to Chicago Greater Rockford Airport?

    For as low as $705, Allegiant Air can have you in Chicago Greater Rockford Airport from Idaho in 23h 18m. The distance between Idaho and Chicago Greater Rockford Airport is about 1431 mi.

  • Can I find deals for flights from Idaho to Rockford that include hotel bookings?

    Yes. In addition to deals on Idaho to Rockford flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Idaho to Rockford?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Idaho to Rockford.

  • Can I find deals for business class flights from Idaho to Rockford?

    Yes. Cheapflights offers flight deals from Idaho 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 Idaho to Rockford

See prices for flight routes from nearby airports that may be better suited for you.
Dallas/Fort Worth to O'Hare Intl flights
John F Kennedy Intl to O'Hare Intl flights
Los Angeles to O'Hare Intl flights
LaGuardia to O'Hare Intl flights
Newark to O'Hare Intl flights
San Francisco to O'Hare Intl flights
Baltimore to O'Hare Intl flights
Dulles Intl to O'Hare Intl flights
Atlanta to O'Hare Intl flights
Reagan-National to O'Hare Intl flights
Seattle to O'Hare Intl flights
Boston to O'Hare Intl flights
Dallas/Fort Worth to Midway flights
Denver to O'Hare Intl flights
Philadelphia to O'Hare Intl flights
Sky Harbor Intl to O'Hare Intl flights
John F Kennedy Intl to Midway flights
Ontario to O'Hare Intl flights
Los Angeles to Midway flights
Dulles Intl to Midway flights
Santa Ana to O'Hare Intl flights
Atlanta to Midway flights
Newark to Midway flights
Austin to O'Hare Intl flights
Raleigh to O'Hare Intl flights
Orlando to O'Hare Intl flights
Minneapolis to O'Hare Intl flights
Love Field to O'Hare Intl flights
Charlotte to O'Hare Intl flights
Greensboro to O'Hare Intl flights
LaGuardia to Midway flights
Tampa to O'Hare Intl flights
Hartford to O'Hare Intl flights
Minneapolis to Midway flights
San Diego to O'Hare Intl flights
Reagan-National to Midway flights
Cleveland to O'Hare Intl flights
Fort Lauderdale to O'Hare Intl flights
Hobby to O'Hare Intl flights
George Bush Intcntl to O'Hare Intl flights
Detroit to O'Hare Intl flights
Baltimore to Midway flights
Miami to O'Hare Intl flights
San Jose to O'Hare Intl flights
Sacramento to O'Hare Intl flights
Nashville to O'Hare Intl flights
Raleigh to Midway flights
Kansas City to O'Hare Intl flights
Austin to Midway flights
Salt Lake City to O'Hare Intl 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.