What is the cheapest airline to fly from Phoenix to Chicago Greater Rockford Airport round-trip?

Flying on Allegiant Air is currently your cheapest option to Chicago Greater Rockford Airport, with prices starting at $184.

What is the cheapest day to fly from Phoenix to Chicago Greater Rockford Airport?

Travelers seeking maximum savings on their Phoenix to Chicago Greater Rockford Airport flight should consider departing on Friday mornings when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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).

What is the cheapest day to fly round-trip from Phoenix to Chicago Greater Rockford Airport?

Flights from Phoenix to Chicago Greater Rockford Airport are found to be more expensive on Monday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Chicago Greater Rockford Airport.

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

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 33 days in advance, which can save you up to 73% on flights from Phoenix to Chicago Greater Rockford Airport compared to booking the week you need them. Waiting 33 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $271. For sooner than that we have options available in the next 3 days from $355.

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

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, September can be a great choice for travel to Chicago Greater Rockford Airport. Flights to Chicago Greater Rockford Airport from Phoenix in September are about $249 on average during September, but can be found for as low as $70.

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

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

How can I find direct flights from Phoenix to Rockford?

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

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

Yes. Cheapflights offers flight deals from Phoenix 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.

$99+ Flights from Phoenix to Chicago Greater Rockford Airport

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Cheap flight deals from Phoenix to Rockford

Round-trip from	$184 (Kiwi.com)
One-way from	$99 (Gotogate)
Popular in	December
Cheapest in	September
Average price	$282

From Phoenix to Chicago Greater Rockford

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One-way flight from Phoenix to Chicago Greater Rockford

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Highest demand for flights based on searches. 3% potential increase in price ($9 potential increase over avg. RT price).

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Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).

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Average for round-trip flights in July 2025

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Find flight deals from Phoenix to Rockford

Cheapest flights from Phoenix to Rockford
Explore the most affordable flight options available from Phoenix to Rockford. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

Wed 8/137:30 amAZA - RFD

Nonstop3h 05mAllegiant Air

Fri 8/1512:55 pmRFD - AZA

Nonstop3h 33mAllegiant Air

Deal found 7/30

$184

Thu 9/1110:59 pmPHX - RFD

2 stops13h 26mMultiple Airlines

Mon 9/1510:37 amRFD - PHX

2 stops13h 27mMultiple Airlines

Deal found 7/30

$234

Best flights from Phoenix to Rockford
Discover carefully curated flight deals from Phoenix to Rockford that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 31, 2025.

Wed 8/137:30 amAZA - RFD

Nonstop3h 05mAllegiant Air

Fri 8/1512:55 pmRFD - AZA

Nonstop3h 33mAllegiant Air

Deal found 7/30

$184

Thu 9/1110:59 pmPHX - RFD

2 stops13h 26mMultiple Airlines

Mon 9/1510:37 amRFD - PHX

2 stops13h 27mMultiple Airlines

Deal found 7/30

$234

Last-minute flights from Phoenix to Rockford
Discover last-minute flight deals from Phoenix to Rockford. Data last updated July 31, 2025 and is based on user searches.

Wed 8/67:30 amAZA - RFD

Nonstop3h 10mAllegiant Air

Wed 8/131:25 pmRFD - AZA

Nonstop3h 33mAllegiant Air

Deal found 7/30

$234

Fri 8/82:24 pmPHX - RFD

2 stops24h 11mMultiple Airlines

Sun 8/109:21 amRFD - PHX

3 stops39h 13mMultiple Airlines

Deal found 7/30

$674

Wed 8/137:30 amAZA - RFD

Nonstop3h 05mAllegiant Air

Fri 8/1512:55 pmRFD - AZA

Nonstop3h 33mAllegiant Air

Deal found 7/30

$184

Sat 8/306:20 pmPHX - RFD

3 stops17h 56mMultiple Airlines

Fri 9/510:37 amRFD - PHX

2 stops13h 27mMultiple Airlines

Deal found 7/30

$340

One-way flights from Phoenix to Rockford
Search for one-way flight options from Phoenix to Rockford. Find affordable one-way fares based on user searches. Data last updated July 31, 2025.

Fri 8/157:00 amAZA - RFD

Nonstop3h 05mAllegiant Air

Deal found 7/30

$99

Thu 9/410:59 pmPHX - RFD

2 stops13h 26mMultiple Airlines

Deal found 7/28

$135

Fri 8/82:24 pmPHX - RFD

2 stops24h 11mAllegiant Air

Deal found 7/29

$317

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

PhoenixChicago

AZA - RFD

AZARFD

Phoenix-Mesa Gateway

Wed 8/13

7:30 am-12:35 pm

Nonstop3h 05m

Chicago Greater Rockford

Fri 8/15

12:55 pm-2:28 pm

Nonstop3h 33m

$184

PhoenixChicago

PHX - RFD

PHXRFD

Phoenix Sky Harbor Intl

Thu 9/11

10:59 pm-2:25 pm

2 stops13h 26m

Chicago Greater Rockford

Mon 9/15

10:37 am-10:04 pm

2 stops13h 27m

$234

PhoenixChicago

AZA - RFD

AZARFD

Phoenix-Mesa Gateway

Fri 8/15

7:00 am-12:05 pm

Nonstop3h 05m

$99

PhoenixChicago

PHX - RFD

PHXRFD

Phoenix Sky Harbor Intl

Thu 9/4

10:59 pm-2:25 pm

2 stops13h 26m

$135

PhoenixChicago

PHX - RFD

PHXRFD

Phoenix Sky Harbor Intl

Fri 8/8

2:24 pm-4:35 pm

2 stops24h 11m

$317

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Best time to book a flight from Phoenix to Rockford

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

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

One of the essential ways to save on airfare from Phoenix to Chicago Greater Rockford Airport is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the morning could potentially save you up to 50% on airfare.

Reviews of airlines servicing Rockford

Read through reviews of airlines operating flights from Phoenix to Chicago Greater Rockford Airport, such as Allegiant Air. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Allegiant Air

7.2

Good

702 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

7.2

Good

702 reviews

Allegiant Air

7.2

Good

702 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

What is the cheapest airline to fly from Phoenix to Chicago Greater Rockford Airport round-trip?
Flying on Allegiant Air is currently your cheapest option to Chicago Greater Rockford Airport, with prices starting at $184.
Can I find deals for flights from Phoenix to Rockford that include hotel bookings?
Yes. In addition to deals on Phoenix to Rockford flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Phoenix to Rockford?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Phoenix to Rockford.
Can I find deals for business class flights from Phoenix to Rockford?
Yes. Cheapflights offers flight deals from Phoenix 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

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Top airline flying from Phoenix to Rockford

Airline	Cheapest	Average	Flexibility	On-time
Allegiant Air	Cheapest$135	Average$243	FlexibilityNo cancel fee	On-time88%

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$99+ Cheap flights from Phoenix 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 8/15. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Phoenix 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 Phoenix to Rockford

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Phoenix to Rockford

Cheapest flights from Phoenix to RockfordExplore the most affordable flight options available from Phoenix to Rockford. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

Explore the most affordable flight options available from Phoenix to Rockford. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Phoenix to Rockford

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

Cheapflights Insights

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

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

Find hourly flight availability from Phoenix to Rockford. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 31, 2025.

Reviews of airlines servicing Rockford

Read through reviews of airlines operating flights from Phoenix to Chicago Greater Rockford Airport, such as Allegiant Air. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

What is the cheapest airline to fly from Phoenix to Chicago Greater Rockford Airport round-trip?

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

How can I find direct flights from Phoenix to Rockford?

Can I find deals for business class flights from Phoenix 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 Phoenix to Rockford

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

Top airline flying from Phoenix to Rockford

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Book with Flexibility

Travel Smart

Cheapest flights from Phoenix to Rockford
Explore the most affordable flight options available from Phoenix to Rockford. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.