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 42 days in advance to save up to 104% 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 42 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 $149, or $282 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 December. For low rates, April can be a great choice for travel to Chicago Greater Rockford Airport. Flights to Chicago Greater Rockford Airport from Colorado in April are about $166 on average during April, but can be found for as low as $42.

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.

$186+ Flights from Colorado to Chicago Greater Rockford Airport

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Cheap flight deals from Colorado to Rockford

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$405 (Mytrip)
One-way from	$186 (Mytrip)
Popular in	December
Cheapest in	April
Average price	$174

Provider with most accurate pricing for Denver Intl-Chicago (CHI) flight deals.

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Provider most trusted by Cheapflights users for Denver Intl-Chicago (CHI) flights.

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From Colorado to Chicago Greater Rockford

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One-way flight from Colorado to Chicago Greater Rockford

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Highest demand for flights based on searches. 13% potential increase in price ($25 potential increase over avg. RT price).

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Cheapest flight prices on average. 2% potential price decrease ($4 potential savings vs. average RT price).

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Average for round-trip flights in February 2025

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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 February 23, 2025.

Thu 3/69:16 amDEN - RFD

2 stops21h 52mAllegiant Air

Sun 3/98:50 amRFD - DEN

2 stops32h 52mAllegiant Air

Deal found 2/21

$405

Thu 3/69:16 amDEN - RFD

2 stops21h 52mMultiple Airlines

Sun 3/99:37 pmRFD - DEN

3 stops17h 03mMultiple Airlines

Deal found 2/22

$523

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 February 23, 2025.

Thu 3/69:16 amDEN - RFD

2 stops21h 52mAllegiant Air

Sun 3/98:50 amRFD - DEN

2 stops32h 52mAllegiant Air

Deal found 2/21

$405

Thu 3/69:16 amDEN - RFD

2 stops21h 52mMultiple Airlines

Sun 3/99:37 pmRFD - DEN

3 stops17h 03mMultiple Airlines

Deal found 2/22

$523

Last-minute flights from Colorado to Rockford
Discover last-minute flight deals from Colorado to Rockford. Data last updated February 23, 2025 and is based on user searches.

Thu 2/278:31 amDEN - RFD

2 stops32h 10mAllegiant Air

Sun 3/29:39 pmRFD - DEN

2 stops20h 00mAllegiant Air

Deal found 2/21

$562

Thu 3/69:16 amDEN - RFD

2 stops21h 52mAllegiant Air

Sun 3/98:50 amRFD - DEN

2 stops32h 52mAllegiant Air

Deal found 2/21

$405

Thu 3/69:16 amDEN - RFD

2 stops21h 52mMultiple Airlines

Sun 3/99:37 pmRFD - DEN

3 stops17h 03mMultiple Airlines

Deal found 2/22

$523

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 February 23, 2025.

Thu 3/69:16 amDEN - RFD

2 stops21h 52mAllegiant Air

Deal found 2/22

$186

Mon 3/36:50 pmDEN - RFD

2 stops21h 30mMultiple Airlines

Deal found 2/22

$283

Find flights from Colorado to Rockford within your budget

Fly from

Fly to

Route

Depart

Return

Price

DenverChicago

DEN - RFD

DENRFD

Denver Intl

Thu 3/6

9:16 am-8:08 am

2 stops21h 52m

Chicago Greater Rockford

Sun 3/9

8:50 am-4:42 pm

2 stops32h 52m

$405

DenverChicago

DEN - RFD

DENRFD

Denver Intl

Thu 3/6

9:16 am-8:08 am

2 stops21h 52m

Chicago Greater Rockford

Sun 3/9

9:37 pm-1:40 pm

3 stops17h 03m

$523

DenverChicago

DEN - RFD

DENRFD

Denver Intl

Thu 3/6

9:16 am-8:08 am

2 stops21h 52m

$186

DenverChicago

DEN - RFD

DENRFD

Denver Intl

Mon 3/3

6:50 pm-5:20 pm

2 stops21h 30m

$283

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/22

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.

Travel insights for flights from Colorado to Rockford

Get recent, data-driven insights about flights from Colorado to Rockford including ideal travel times, pricing trends, and more.

Rainfall in Rockford by month

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.

Temperature in Rockford by month

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).

Reviews of airlines servicing Rockford

Allegiant Air

7.3

Good

764 reviews

Reviews

1 / 20

10.0

Excellent

Joellen,Aug 2024

LAS - GEG

Boarding was a hassle. I’ve had the same guy before. Never enjoy seeing him.

Allegiant Air

7.3

Good

764 reviews

Allegiant Air

7.3

Good

764 reviews

Reviews

1 / 20

10.0

Excellent

Joellen,Aug 2024

LAS - GEG

Boarding was a hassle. I’ve had the same guy before. Never enjoy seeing him.

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.

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$186+ 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 3/6. 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 February 23, 2025.

Most accurate provider

Most trusted provider

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 February 23, 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 February 23, 2025.

Find flights from Colorado to Rockford within your budget

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.

Travel insights for flights from Colorado to Rockford

Get recent, data-driven insights about flights from Colorado to Rockford including ideal travel times, pricing trends, and more.

Rainfall in Rockford by month

Plan your trip to Rockford by taking into account the average rainfall totals by month.

Temperature in Rockford by month

Plan your trip to Rockford by taking into account the average temperature totals by month.

Reviews of airlines servicing Rockford

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 Colorado?

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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 February 23, 2025.