In terms of precipitation, rainfall in Chicago Greater Rockford Airport ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Chicago Greater Rockford Airport when rainfall is around 1.7 in.

If weather is an important factor for your trip to Chicago Greater Rockford Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

How far in advance should I book a flight from Colorado to Chicago Greater Rockford Airport?

Travelers have found it’s best to book a flight 22 days in advance to save up to 52% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 22 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Colorado to Chicago Greater Rockford Airport 1-2 weeks in advance for as low as $187, or $289 for flights within the next 24 hours.

What is the cheapest month to fly from Colorado to Chicago Greater Rockford Airport?

Due to multiple factors, expect to potentially pay more when booking in May. For low rates, October can be a great choice for travel to Chicago Greater Rockford Airport. Flights to Chicago Greater Rockford Airport from Colorado in October are about $197 on average during October, but can be found for as low as $58.

What is the cheapest time of day to fly from CO to RFD?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Colorado to Chicago Greater Rockford Airport as you normally would.

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

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

How can I find direct flights from Colorado to Rockford?

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

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

Yes. Cheapflights offers flight deals from Colorado 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.

$123+ Flights from Colorado to Chicago Greater Rockford Airport

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Colorado 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 Colorado to Rockford

Round-trip from	$236 (Kiwi.com)
One-way from	$123 (Kiwi.com)
Popular in	May
Cheapest in	October
Average price	$181

From Colorado to Chicago Greater Rockford

Search Deals

One-way flight from Colorado to Chicago Greater Rockford

Search Deals

Highest demand for flights based on searches. 10% potential increase in price ($24 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease ($3 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in August 2025

Search Deals

Find flight deals from Colorado to Rockford

Cheapest flights from Colorado to Rockford
Explore the most affordable flight options available from Colorado to Rockford. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 20, 2025.

Fri 9/269:13 amDEN - RFD

1 stop9h 44mMultiple Airlines

Mon 9/2910:37 amRFD - DEN

1 stop23h 56mMultiple Airlines

Deal found 8/19

$236

Thu 9/118:59 pmDEN - RFD

1 stop16h 26mMultiple Airlines

Fri 9/129:48 pmRFD - DEN

1 stop14h 12mMultiple Airlines

Deal found 8/20

$259

Thu 9/189:18 pmDEN - RFD

2 stops16h 07mMultiple Airlines

Sun 9/218:37 pmRFD - DEN

1 stop8h 23mMultiple Airlines

Deal found 8/19

$308

Thu 9/410:00 amDEN - RFD

1 stop7h 52mMultiple Airlines

Sun 9/79:16 pmRFD - DEN

1 stop7h 44mMultiple Airlines

Deal found 8/19

$311

Fri 10/1010:29 pmDEN - RFD

1 stop12h 41mMultiple Airlines

Mon 10/1310:44 amRFD - DEN

1 stop15h 07mMultiple Airlines

Deal found 8/18

$350

Sun 9/146:10 amDEN - RFD

2 stops26h 37mMultiple Airlines

Thu 9/187:42 pmRFD - DEN

1 stop9h 18mMultiple Airlines

Deal found 8/18

$357

Tue 8/268:55 pmDEN - RFD

1 stop17h 20mMultiple Airlines

Thu 8/2812:58 pmRFD - DEN

1 stop8h 11mMultiple Airlines

Deal found 8/19

$545

Wed 8/2010:29 pmDEN - RFD

1 stop12h 39mMultiple Airlines

Sun 8/2412:58 pmRFD - DEN

1 stop8h 11mMultiple Airlines

Deal found 8/19

$625

Best flights from Colorado to Rockford
Discover carefully curated flight deals from Colorado to Rockford that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 20, 2025.

Fri 9/269:13 amDEN - RFD

1 stop9h 44mMultiple Airlines

Mon 9/2910:37 amRFD - DEN

1 stop23h 56mMultiple Airlines

Deal found 8/19

$236

Thu 9/118:59 pmDEN - RFD

1 stop16h 26mMultiple Airlines

Fri 9/129:48 pmRFD - DEN

1 stop14h 12mMultiple Airlines

Deal found 8/20

$259

Thu 9/189:18 pmDEN - RFD

2 stops16h 07mMultiple Airlines

Sun 9/218:37 pmRFD - DEN

1 stop8h 23mMultiple Airlines

Deal found 8/19

$308

Thu 9/410:00 amDEN - RFD

1 stop7h 52mMultiple Airlines

Sun 9/79:16 pmRFD - DEN

1 stop7h 44mMultiple Airlines

Deal found 8/19

$311

Fri 10/1010:29 pmDEN - RFD

1 stop12h 41mMultiple Airlines

Mon 10/1310:44 amRFD - DEN

1 stop15h 07mMultiple Airlines

Deal found 8/18

$350

Sun 9/146:10 amDEN - RFD

2 stops26h 37mMultiple Airlines

Thu 9/187:42 pmRFD - DEN

1 stop9h 18mMultiple Airlines

Deal found 8/18

$357

Wed 12/1710:40 pmDEN - RFD

1 stop12h 15mMultiple Airlines

Mon 12/228:42 pmRFD - DEN

1 stop13h 13mMultiple Airlines

Deal found 8/20

$697

Last-minute flights from Colorado to Rockford
Discover last-minute flight deals from Colorado to Rockford. Data last updated August 20, 2025 and is based on user searches.

Wed 8/2010:29 pmDEN - RFD

1 stop12h 39mMultiple Airlines

Sun 8/2412:58 pmRFD - DEN

1 stop8h 11mMultiple Airlines

Deal found 8/19

$625

Fri 8/228:56 pmDEN - RFD

2 stops36h 33mMultiple Airlines

Sun 8/2412:58 pmRFD - DEN

1 stop11h 21mMultiple Airlines

Deal found 8/18

$763

Tue 8/268:55 pmDEN - RFD

1 stop17h 20mMultiple Airlines

Thu 8/2812:58 pmRFD - DEN

1 stop8h 11mMultiple Airlines

Deal found 8/19

$545

Thu 9/410:00 amDEN - RFD

1 stop7h 52mMultiple Airlines

Sun 9/79:16 pmRFD - DEN

1 stop7h 44mMultiple Airlines

Deal found 8/19

$311

Thu 9/118:59 pmDEN - RFD

1 stop16h 26mMultiple Airlines

Fri 9/129:48 pmRFD - DEN

1 stop14h 12mMultiple Airlines

Deal found 8/20

$259

Sun 9/146:10 amDEN - RFD

2 stops26h 37mMultiple Airlines

Thu 9/187:42 pmRFD - DEN

1 stop9h 18mMultiple Airlines

Deal found 8/18

$357

Thu 9/189:18 pmDEN - RFD

2 stops16h 07mMultiple Airlines

Sun 9/218:37 pmRFD - DEN

1 stop8h 23mMultiple Airlines

Deal found 8/19

$308

Fri 9/269:13 amDEN - RFD

1 stop9h 44mMultiple Airlines

Mon 9/2910:37 amRFD - DEN

1 stop23h 56mMultiple Airlines

Deal found 8/19

$236

One-way flights from Colorado to Rockford
Search for one-way flight options from Colorado to Rockford. Find affordable one-way fares based on user searches. Data last updated August 20, 2025.

Wed 10/110:29 pmDEN - RFD

1 stop13h 25mMultiple Airlines

Deal found 8/18

$123

Thu 9/258:59 pmDEN - RFD

1 stop16h 26mMultiple Airlines

Deal found 8/20

$124

Fri 10/310:59 pmDEN - RFD

1 stop12h 11mMultiple Airlines

Deal found 8/17

$125

Thu 10/29:18 pmDEN - RFD

2 stops20h 40mMultiple Airlines

Deal found 8/18

$132

Thu 9/118:59 pmDEN - RFD

1 stop16h 26mMultiple Airlines

Deal found 8/19

$136

Wed 8/275:10 pmDEN - RFD

1 stop20h 06mMultiple Airlines

Deal found 8/20

$138

Thu 9/48:59 pmDEN - RFD

1 stop16h 26mMultiple Airlines

Deal found 8/19

$148

Sun 11/212:59 amDEN - RFD

2 stops14h 59mMultiple Airlines

Deal found 8/18

$149

Fri 9/56:30 amDEN - RFD

1 stop12h 27mMultiple Airlines

Deal found 8/20

$150

Wed 9/310:29 pmDEN - RFD

1 stop19h 23mMultiple Airlines

Deal found 8/18

$154

Cheapflights Fare Finder

Use the filters below to find and compare flights from Colorado to Chicago Greater Rockford Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DenverChicago

DEN - RFD

DENRFD

Denver Intl

Fri 9/26

9:13 am-7:57 pm

1 stop9h 44m

Chicago Greater Rockford

Mon 9/29

10:37 am-9:33 am

1 stop23h 56m

$236

DenverChicago

DEN - RFD

DENRFD

Denver Intl

Thu 9/11

8:59 pm-2:25 pm

1 stop16h 26m

Chicago Greater Rockford

Fri 9/12

9:48 pm-11:00 am

1 stop14h 12m

$259

DenverChicago

DEN - RFD

DENRFD

Denver Intl

Thu 9/18

9:18 pm-2:25 pm

2 stops16h 07m

Chicago Greater Rockford

Sun 9/21

8:37 pm-4:00 am

1 stop8h 23m

$308

DenverChicago

DEN - RFD

DENRFD

Denver Intl

Thu 9/4

10:00 am-6:52 pm

1 stop7h 52m

Chicago Greater Rockford

Sun 9/7

9:16 pm-4:00 am

1 stop7h 44m

$311

DenverChicago

DEN - RFD

DENRFD

Denver Intl

Fri 10/10

10:29 pm-12:10 pm

1 stop12h 41m

Chicago Greater Rockford

Mon 10/13

10:44 am-12:51 am

1 stop15h 07m

$350

DenverChicago

DEN - RFD

DENRFD

Denver Intl

Sun 9/14

6:10 am-9:47 am

2 stops26h 37m

Chicago Greater Rockford

Thu 9/18

7:42 pm-4:00 am

1 stop9h 18m

$357

DenverChicago

DEN - RFD

DENRFD

Denver Intl

Wed 12/17

10:40 pm-11:55 am

1 stop12h 15m

Chicago Greater Rockford

Mon 12/22

8:42 pm-8:55 am

1 stop13h 13m

$697

DenverChicago

DEN - RFD

DENRFD

Denver Intl

Wed 10/1

10:29 pm-12:54 pm

1 stop13h 25m

$123

DenverChicago

DEN - RFD

DENRFD

Denver Intl

Thu 9/25

8:59 pm-2:25 pm

1 stop16h 26m

$124

DenverChicago

DEN - RFD

DENRFD

Denver Intl

Fri 10/3

10:59 pm-12:10 pm

1 stop12h 11m

$125

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/18

Showing 1-10 of 15 results

Best time to book a flight from Colorado to Rockford

Have a flexible travel schedule? Discover the best time to fly to Rockford from Colorado 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 Colorado to Chicago Greater Rockford Airport

No data available for this route at this time. Please check back soon.

Related info for your journey

Can I find deals for flights from Colorado to Rockford that include hotel bookings?
Yes. In addition to deals on Colorado to Rockford flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Colorado to Rockford?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Colorado to Rockford.
Can I find deals for business class flights from Colorado to Rockford?
Yes. Cheapflights offers flight deals from Colorado 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.

Merrillville

Lansing

Hammond

Benton Harbor

Porter

Chesterton

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Colorado to Rockford

Dallas/Fort Worth to O'Hare Intl flights

John F Kennedy Intl to O'Hare Intl flights

LaGuardia to O'Hare Intl flights

Newark to O'Hare Intl flights

Los Angeles to O'Hare Intl flights

Seattle to O'Hare Intl flights

Dallas/Fort Worth to Midway flights

San Francisco to O'Hare Intl flights

Reagan-National to O'Hare Intl flights

Dulles Intl to O'Hare Intl flights

Philadelphia to O'Hare Intl flights

Denver to O'Hare Intl flights

Baltimore to O'Hare Intl flights

John F Kennedy Intl to Midway flights

Atlanta to O'Hare Intl flights

Charlotte to O'Hare Intl flights

Ontario to O'Hare Intl flights

Newark to Midway flights

Boston to O'Hare Intl flights

Austin to O'Hare Intl flights

Santa Ana to O'Hare Intl flights

Baltimore to Midway flights

Los Angeles to Midway flights

Dulles Intl to Midway flights

Sky Harbor Intl to O'Hare Intl flights

Atlanta to Midway flights

Hobby to Midway flights

Orlando to O'Hare Intl flights

San Francisco to Midway flights

LaGuardia to Midway flights

Hobby to O'Hare Intl flights

Fort Lauderdale to O'Hare Intl flights

Burbank to O'Hare Intl flights

Portland to O'Hare Intl flights

Philadelphia to Midway flights

George Bush Intcntl to O'Hare Intl flights

Raleigh to O'Hare Intl flights

Minneapolis to O'Hare Intl flights

Cleveland to O'Hare Intl flights

Reagan-National to Midway flights

Nashville to O'Hare Intl flights

Denver to Midway flights

Orlando to Midway flights

Minneapolis to Midway flights

San Jose to O'Hare Intl flights

Tampa to O'Hare Intl flights

San Diego to O'Hare Intl flights

Miami to O'Hare Intl flights

Austin to Midway flights

Love Field to O'Hare Intl flights

Other flights to Rockford

Chicago Greater Rockford Airport to Orlando Sanford Intl Airport flights

Chicago Greater Rockford Airport to Tampa flights

Chicago Greater Rockford Airport to Punta Gorda flights

Chicago Greater Rockford Airport to Tampa flights

Chicago Greater Rockford Airport to Phoenix-Mesa Gateway Airport flights

Chicago Greater Rockford Airport to Orlando Sanford Intl Airport flights

Chicago Greater Rockford Airport to Las Vegas flights

Chicago Greater Rockford Airport to Phoenix-Mesa Gateway Airport flights

Chicago Greater Rockford Airport to Punta Gorda flights

Chicago Greater Rockford Airport to Las Vegas 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.

$123+ Cheap flights from Colorado 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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Colorado to Rockford with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Colorado to Rockford

Keep the following information in mind while searching for Colorado to Rockford flight deals. Data was last updated August 20, 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Colorado to Rockford

Cheapest flights from Colorado to RockfordExplore the most affordable flight options available from Colorado to Rockford. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 20, 2025.

Explore the most affordable flight options available from Colorado to Rockford. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 20, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Colorado to Chicago Greater Rockford Airport that are best for you.

Best time to book a flight from Colorado to Rockford

Have a flexible travel schedule? Discover the best time to fly to Rockford from Colorado with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Colorado to Chicago Greater Rockford Airport

Related info for your journey

Find useful and relevant information for your journey from Colorado to Rockford. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

How can I find direct flights from Colorado to Rockford?

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

Traveling to a place near Chicago Greater Rockford Airport?

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 Colorado to Rockford

See prices for flight routes from nearby airports that may be better suited for you.

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Colorado to Rockford
Explore the most affordable flight options available from Colorado to Rockford. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 20, 2025.