What is the cheapest airline that flies from United States to Chicago Greater Rockford?

Allegiant Air is the most popular carrier operating from United States to Chicago Greater Rockford

How often are flights from the United States to Chicago delayed?

Historically, on average around 25% of flights between United States and Chicago have experienced a delay on any given week. The average delay length over the past 12 months has been 99 minutes.

What day of the week experiences the fewest flight delays on this route?

Sunday is statistically the day of the week which experiences the fewest number of delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

How long does it take to fly to Chicago Greater Rockford Airport?

The flight from United States to Chicago Greater Rockford Airport depends on which airports you’re departing and arriving from and whether or not you have a layover. If you fly from New York (a popular airport in United States) to Chicago O'Hare Intl Airport (the most popular airport in Chicago Greater Rockford Airport), then the flight time is 2h 46m on average. If you fly from Boston (another popular airport in United States) to Chicago O'Hare Intl Airport, then the average flight time is 2h 48m.

What is the most punctual flight time for the United States to Chicago flights?

Generally, flights departing at night tend to experience fewer delays. Flights in the evening have, in the past, seen delays more frequently in comparison.

How many operators does momondo search for flights from United States to Chicago Greater Rockford Airport?

As of August 2026, there are 2 operators available to choose from for flights from United States to Chicago Greater Rockford Airport.

How old do you have to be to fly from United States to Chicago Greater Rockford Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from United States to Chicago Greater Rockford Airport.

What documentation or ID do you need to fly to Chicago Greater Rockford Airport?

The travel and health documents you'll need for your trip to Chicago Greater Rockford Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Chicago Greater Rockford Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$66 Cheap Flights from United States to Chicago Greater Rockford Airport in 2026

Q: How many flights depart from United States to Chicago Greater Rockford Airport on average per week?

The number of flights available between United States and Chicago Greater Rockford Airport is 2 per week as of August 2026. The most frequent departure day is Thu, with 50% of weekly flights leaving on this day.

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from the United States to Chicago

Round-trip

One-way

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Recent round-trip flight deals from the United States to Chicago

Enter your travel dates to find the best prices.

7:10 am - 8:52 amSFB Orlando Sanford Intl-RFD Chicago Greater Rockford

2h 42mnonstop

10:22 am - 1:56 pmRFD Chicago Greater Rockford-SFB Orlando Sanford Intl

2h 34mnonstop

$192Allegiant Air

Fri, Sep 25 - Mon, Sep 28

7:00 am - 8:44 amSFB Orlando Sanford Intl-RFD Chicago Greater Rockford

2h 44mnonstop

1:12 pm - 12:04 pmRFD Chicago Greater Rockford-SFB Orlando Sanford Intl

21h 52m1 stop Nashville Intl

$194Allegiant Air

Wed, Oct 14 - Sun, Oct 18

6:20 am - 8:02 amSFB Orlando Sanford Intl-RFD Chicago Greater Rockford

2h 42mnonstop

11:27 am - 3:01 pmRFD Chicago Greater Rockford-SFB Orlando Sanford Intl

2h 34mnonstop

$196Allegiant Air

Fri, Sep 4 - Mon, Sep 7

6:20 am - 8:02 amSFB Orlando Sanford Intl-RFD Chicago Greater Rockford

2h 42mnonstop

11:27 am - 3:01 pmRFD Chicago Greater Rockford-SFB Orlando Sanford Intl

2h 34mnonstop

$196Allegiant Air

Fri, Sep 4 - Mon, Sep 7

8:30 am - 10:27 amSFB Orlando Sanford Intl-RFD Chicago Greater Rockford

2h 57mnonstop

11:17 am - 2:53 pmRFD Chicago Greater Rockford-SFB Orlando Sanford Intl

2h 36mnonstop

$197Allegiant Air

Fri, Dec 4 - Fri, Dec 11

8:00 am - 9:48 amSFB Orlando Sanford Intl-RFD Chicago Greater Rockford

2h 48mnonstop

3:34 pm - 7:10 pmRFD Chicago Greater Rockford-SFB Orlando Sanford Intl

2h 36mnonstop

$204Allegiant Air

Mon, Nov 9 - Wed, Nov 11

6:20 am - 8:02 amSFB Orlando Sanford Intl-RFD Chicago Greater Rockford

2h 42mnonstop

11:27 am - 3:01 pmRFD Chicago Greater Rockford-SFB Orlando Sanford Intl

2h 34mnonstop

$204Allegiant Air

Fri, Sep 4 - Mon, Sep 7

6:20 am - 8:02 amSFB Orlando Sanford Intl-RFD Chicago Greater Rockford

2h 42mnonstop

11:27 am - 3:01 pmRFD Chicago Greater Rockford-SFB Orlando Sanford Intl

2h 34mnonstop

$204Allegiant Air

Fri, Sep 4 - Mon, Sep 7

9:13 pm - 8:40 amATL Atlanta Hartsfield-Jackson-RFD Chicago Greater Rockford

12h 27m1 stop Fort Lauderdale

10:30 am - 9:11 amRFD Chicago Greater Rockford-ATL Atlanta Hartsfield-Jackson

21h 41m1 stop Fort Lauderdale

$215Multiple Airlines

Wed, Nov 11 - Sun, Nov 15

5:05 pm - 3:23 pmBNA Nashville Intl-RFD Chicago Greater Rockford

22h 18m1 stop Orlando

3:59 pm - 5:24 pmRFD Chicago Greater Rockford-BNA Nashville Intl

1h 25mnonstop

$224Multiple Airlines

Thu, Aug 27 - Sun, Aug 30

Recent last minute flight deals from the United States to Chicago

Enter your travel dates to find the best prices.

3:25 pm - 8:34 pmAZA Phoenix-Mesa Gateway-RFD Chicago Greater Rockford

3h 09mnonstop

9:24 pm - 10:59 pmRFD Chicago Greater Rockford-AZA Phoenix-Mesa Gateway

3h 35mnonstop

$266Allegiant Air

Mon, Aug 10 - Mon, Aug 17

3:45 pm - 5:36 pmSFB Orlando Sanford Intl-RFD Chicago Greater Rockford

2h 51mnonstop

6:26 pm - 10:05 pmRFD Chicago Greater Rockford-SFB Orlando Sanford Intl

2h 39mnonstop

$272Allegiant Air

Mon, Aug 10 - Mon, Aug 17

3:45 pm - 5:36 pmSFB Orlando Sanford Intl-RFD Chicago Greater Rockford

2h 51mnonstop

6:26 pm - 10:05 pmRFD Chicago Greater Rockford-SFB Orlando Sanford Intl

2h 39mnonstop

$276Allegiant Air

Mon, Aug 10 - Fri, Aug 14

3:45 pm - 5:36 pmSFB Orlando Sanford Intl-RFD Chicago Greater Rockford

2h 51mnonstop

6:26 pm - 10:05 pmRFD Chicago Greater Rockford-SFB Orlando Sanford Intl

2h 39mnonstop

$278Allegiant Air

Mon, Aug 10 - Mon, Aug 17

3:45 pm - 5:36 pmSFB Orlando Sanford Intl-RFD Chicago Greater Rockford

2h 51mnonstop

6:26 pm - 10:05 pmRFD Chicago Greater Rockford-SFB Orlando Sanford Intl

2h 39mnonstop

$293Allegiant Air

Mon, Aug 10 - Fri, Aug 14

3:45 pm - 5:36 pmSFB Orlando Sanford Intl-RFD Chicago Greater Rockford

2h 51mnonstop

6:26 pm - 10:05 pmRFD Chicago Greater Rockford-SFB Orlando Sanford Intl

2h 39mnonstop

$294Allegiant Air

Mon, Aug 10 - Mon, Aug 17

3:45 pm - 5:36 pmSFB Orlando Sanford Intl-RFD Chicago Greater Rockford

2h 51mnonstop

6:26 pm - 10:05 pmRFD Chicago Greater Rockford-SFB Orlando Sanford Intl

2h 39mnonstop

$296Allegiant Air

Mon, Aug 10 - Fri, Aug 14

3:25 pm - 8:34 pmAZA Phoenix-Mesa Gateway-RFD Chicago Greater Rockford

3h 09mnonstop

9:24 pm - 10:59 pmRFD Chicago Greater Rockford-AZA Phoenix-Mesa Gateway

3h 35mnonstop

$297Allegiant Air

Mon, Aug 10 - Mon, Aug 17

7:00 am - 8:31 amBNA Nashville Intl-RFD Chicago Greater Rockford

1h 31mnonstop

1:24 pm - 2:46 pmRFD Chicago Greater Rockford-BNA Nashville Intl

25h 22m1 stop Las Vegas Harry Reid Intl

$340Multiple Airlines

Sun, Aug 9 - Thu, Aug 13

7:00 am - 8:31 amBNA Nashville Intl-RFD Chicago Greater Rockford

1h 31mnonstop

11:37 am - 10:17 amRFD Chicago Greater Rockford-BNA Nashville Intl

22h 40m3 stops Fort Lauderdale Atlanta Hartsfield-Jackson Orlando

$374Multiple Airlines

Sun, Aug 9 - Thu, Aug 13

Recent direct flight deals from the United States to Chicago

Enter your travel dates to find the best prices.

7:10 am - 8:52 amSFB Orlando Sanford Intl-RFD Chicago Greater Rockford

2h 42mnonstop

10:22 am - 1:56 pmRFD Chicago Greater Rockford-SFB Orlando Sanford Intl

2h 34mnonstop

$192Allegiant Air

Fri, Sep 25 - Mon, Sep 28

6:20 am - 8:02 amSFB Orlando Sanford Intl-RFD Chicago Greater Rockford

2h 42mnonstop

11:27 am - 3:01 pmRFD Chicago Greater Rockford-SFB Orlando Sanford Intl

2h 34mnonstop

$196Allegiant Air

Fri, Sep 4 - Mon, Sep 7

6:20 am - 8:02 amSFB Orlando Sanford Intl-RFD Chicago Greater Rockford

2h 42mnonstop

11:27 am - 3:01 pmRFD Chicago Greater Rockford-SFB Orlando Sanford Intl

2h 34mnonstop

$196Allegiant Air

Fri, Sep 4 - Mon, Sep 7

8:30 am - 10:27 amSFB Orlando Sanford Intl-RFD Chicago Greater Rockford

2h 57mnonstop

11:17 am - 2:53 pmRFD Chicago Greater Rockford-SFB Orlando Sanford Intl

2h 36mnonstop

$197Allegiant Air

Fri, Dec 4 - Fri, Dec 11

8:00 am - 9:48 amSFB Orlando Sanford Intl-RFD Chicago Greater Rockford

2h 48mnonstop

3:34 pm - 7:10 pmRFD Chicago Greater Rockford-SFB Orlando Sanford Intl

2h 36mnonstop

$204Allegiant Air

Mon, Nov 9 - Wed, Nov 11

6:20 am - 8:02 amSFB Orlando Sanford Intl-RFD Chicago Greater Rockford

2h 42mnonstop

11:27 am - 3:01 pmRFD Chicago Greater Rockford-SFB Orlando Sanford Intl

2h 34mnonstop

$204Allegiant Air

Fri, Sep 4 - Mon, Sep 7

6:20 am - 8:02 amSFB Orlando Sanford Intl-RFD Chicago Greater Rockford

2h 42mnonstop

11:27 am - 3:01 pmRFD Chicago Greater Rockford-SFB Orlando Sanford Intl

2h 34mnonstop

$204Allegiant Air

Fri, Sep 4 - Mon, Sep 7

8:30 am - 10:27 amSFB Orlando Sanford Intl-RFD Chicago Greater Rockford

2h 57mnonstop

11:17 am - 2:53 pmRFD Chicago Greater Rockford-SFB Orlando Sanford Intl

2h 36mnonstop

$209Allegiant Air

Fri, Dec 11 - Mon, Dec 14

7:10 am - 8:52 amSFB Orlando Sanford Intl-RFD Chicago Greater Rockford

2h 42mnonstop

10:22 am - 1:56 pmRFD Chicago Greater Rockford-SFB Orlando Sanford Intl

2h 34mnonstop

$211Allegiant Air

Fri, Sep 25 - Mon, Sep 28

11:36 am - 1:06 pmBNA Nashville Intl-RFD Chicago Greater Rockford

1h 30mnonstop

1:12 pm - 2:40 pmRFD Chicago Greater Rockford-BNA Nashville Intl

1h 28mnonstop

$238Allegiant Air

Sun, Oct 4 - Thu, Oct 8

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Allegiant Air flights from United States to Chicago Greater Rockford Airport

Our best Allegiant Air deals on United States to Chicago Greater Rockford Airport flight tickets

Allegiant Air

Sep 25

SFB7:10 amOrlando Sanford Intl

2h 42m

RFD8:52 amChicago Greater Rockford

Sep 28

RFD10:22 amChicago Greater Rockford

2h 34m

SFB1:56 pmOrlando Sanford Intl

$192

Allegiant Air

Oct 14

SFB7:00 amOrlando Sanford Intl

2h 44m

RFD8:44 amChicago Greater Rockford

Oct 18

RFD1:12 pmChicago Greater Rockford

21h 52m

1 stop

SFB12:04 pmOrlando Sanford Intl

$194

Allegiant Air

Sep 4

SFB6:20 amOrlando Sanford Intl

2h 42m

RFD8:02 amChicago Greater Rockford

Sep 7

RFD11:27 amChicago Greater Rockford

2h 34m

SFB3:01 pmOrlando Sanford Intl

$196

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

OrlandoChicago

SFB Orlando Sanford Intl - RFD Chicago Greater Rockford

SFBRFD

Orlando Sanford Intl

Fri 9/25

7:10 am-8:52 am

Nonstop2h 42m

Chicago Greater Rockford

Mon 9/28

10:22 am-1:56 pm

Nonstop2h 34m

$192

OrlandoChicago

SFB Orlando Sanford Intl - RFD Chicago Greater Rockford

SFBRFD

Orlando Sanford Intl

Wed 10/14

7:00 am-8:44 am

Nonstop2h 44m

Chicago Greater Rockford

Sun 10/18

1:12 pm-12:04 pm

1 stop21h 52m

$194

OrlandoChicago

SFB Orlando Sanford Intl - RFD Chicago Greater Rockford

SFBRFD

Orlando Sanford Intl

Fri 9/4

6:20 am-8:02 am

Nonstop2h 42m

Chicago Greater Rockford

Mon 9/7

11:27 am-3:01 pm

Nonstop2h 34m

$196

OrlandoChicago

SFB Orlando Sanford Intl - RFD Chicago Greater Rockford

SFBRFD

Orlando Sanford Intl

Fri 9/4

6:20 am-8:02 am

Nonstop2h 42m

Chicago Greater Rockford

Mon 9/7

11:27 am-3:01 pm

Nonstop2h 34m

$196

OrlandoChicago

SFB Orlando Sanford Intl - RFD Chicago Greater Rockford

SFBRFD

Orlando Sanford Intl

Fri 12/4

8:30 am-10:27 am

Nonstop2h 57m

Chicago Greater Rockford

Fri 12/11

11:17 am-2:53 pm

Nonstop2h 36m

$197

OrlandoChicago

SFB Orlando Sanford Intl - RFD Chicago Greater Rockford

SFBRFD

Orlando Sanford Intl

Mon 11/9

8:00 am-9:48 am

Nonstop2h 48m

Chicago Greater Rockford

Wed 11/11

3:34 pm-7:10 pm

Nonstop2h 36m

$204

OrlandoChicago

SFB Orlando Sanford Intl - RFD Chicago Greater Rockford

SFBRFD

Orlando Sanford Intl

Fri 9/4

6:20 am-8:02 am

Nonstop2h 42m

Chicago Greater Rockford

Mon 9/7

11:27 am-3:01 pm

Nonstop2h 34m

$204

OrlandoChicago

SFB Orlando Sanford Intl - RFD Chicago Greater Rockford

SFBRFD

Orlando Sanford Intl

Fri 9/4

6:20 am-8:02 am

Nonstop2h 42m

Chicago Greater Rockford

Mon 9/7

11:27 am-3:01 pm

Nonstop2h 34m

$204

AtlantaChicago

ATL Atlanta Hartsfield-Jackson - RFD Chicago Greater Rockford

ATLRFD

Atlanta Hartsfield-Jackson

Wed 11/11

9:13 pm-8:40 am

1 stop12h 27m

Chicago Greater Rockford

Sun 11/15

10:30 am-9:11 am

1 stop21h 41m

$215

NashvilleChicago

BNA Nashville Intl - RFD Chicago Greater Rockford

BNARFD

Nashville Intl

Thu 8/27

5:05 pm-3:23 pm

1 stop22h 18m

Chicago Greater Rockford

Sun 8/30

3:59 pm-5:24 pm

Nonstop1h 25m

$224

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from United States to Chicago Greater Rockford Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Delays

Other information

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

The month of September is, on average, the cheapest month to fly to Chicago Greater Rockford Airport from United States, with most prices found around $138. The month of December is another great option to travel to Chicago Greater Rockford Airport, with average flight prices from United States averaging around $178.

What is the cheapest United States to Chicago Greater Rockford flight route?

Fly from Las Vegas Harry Reid Intl to Chicago Greater Rockford for the best United States - Chicago Greater Rockford flight prices

What cabin class options are available on United States to Chicago Greater Rockford Airport flights?

There is only 1 cabin class available to choose from on United States to Chicago Greater Rockford Airport flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on United States to Chicago Greater Rockford Airport flights?

No. A direct flight is the cheapest option for a flight between United States to Chicago Greater Rockford Airport.

Cheap United States to Chicago Greater Rockford Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from United States to Chicago Greater Rockford Airport

Best Price Found	$52
Fastest flight time	1h 29m
Direct flights	Mon, Tue, Thu, Sat and Sun

The best one-way flight to Chicago Greater Rockford Airport from United States in the past 72 hours is $52. The best round-trip flight deal from United States to Chicago Greater Rockford Airport found on momondo in the last 72 hours is $78.

The fastest flight from United States to Chicago Greater Rockford Airport takes 1h 29m

Direct flights go from United States to Chicago Greater Rockford Airport on Monday, Tuesday, Thursday, Saturday and Sunday. The only airline offering direct flights is Allegiant Air.

Search flight deals

Frequently asked questions about flying from the United States to Chicago Greater Rockford Airport

When did momondo last update prices for flights from United States to Chicago Greater Rockford Airport?
Prices for flights from United States to Chicago Greater Rockford Airport were last updated today.
How many operators does momondo search for flights from United States to Chicago Greater Rockford Airport?
As of August 2026, there are 2 operators available to choose from for flights from United States to Chicago Greater Rockford Airport.
How old do you have to be to fly from United States to Chicago Greater Rockford Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from United States to Chicago Greater Rockford Airport.
What documentation or ID do you need to fly to Chicago Greater Rockford Airport?
The travel and health documents you'll need for your trip to Chicago Greater Rockford Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Chicago Greater Rockford Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from United States to Chicago Greater Rockford Airport?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from United States to Chicago Greater Rockford Airport is Airbus A320-100/200 (18.92% of total bookings). The next most popular plane models are Boeing 737 MAX 8 (18.80%), Airbus A321neo (16.79%), and Airbus A319 (12.03%).

Best airlines flying from United States to Chicago Greater Rockford Airport

Compare and see reviews for airlines that fly from United States to Chicago Greater Rockford Airport with momondo

Airline	Rating	Free Cancellation	Price
Allegiant Air	PriceFrom $124	Free Cancellation	Rating 7.3 679 reviews		Search Allegiant Air flights

Merrillville

New Buffalo

Hammond

Portage

Benton Harbor

Lansing

Saint Joseph

Valparaiso

Schererville

Munster

Chesterton

Monticello

Crown Point

Porter

Griffith

Saint John

Why use momondo?

Why should I use momondo to find a flight deal from United States to Chicago?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from United States to Chicago for you.

Can I find flights from United States to Chicago with flexible booking policies on momondo?

Yes. All flights to Chicago from United States on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from United States to Chicago?

Once you have performed a search for United States to Chicago flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from United States to Chicago right now. Can momondo alert me if prices change?

Yes. momondo can track prices for United States to Chicago flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Cheap flights from the United States to Chicago from $80

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from the United States to Chicago departing on 10/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Allegiant Air flights from United States to Chicago Greater Rockford Airport

Our best Allegiant Air deals on United States to Chicago Greater Rockford Airport flight tickets

momondo Fare Finder

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

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How to get the cheapest flight ticket from United States to Chicago Greater Rockford Airport

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

What is the cheapest United States to Chicago Greater Rockford flight route?

What cabin class options are available on United States to Chicago Greater Rockford Airport flights?

Can stopping save me money on United States to Chicago Greater Rockford Airport flights?

What is the cheapest airline that flies from United States to Chicago Greater Rockford?

How often are flights from the United States to Chicago delayed?

What is the most punctual flight time for the United States to Chicago flights?

What day of the week experiences the fewest flight delays on this route?

How many flights depart from United States to Chicago Greater Rockford Airport on average per week?

How long does it take to fly to Chicago Greater Rockford Airport?

Cheap United States to Chicago Greater Rockford Airport flight deals and tips

Best Price Found

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Direct flights

Frequently asked questions about flying from the United States to Chicago Greater Rockford Airport

Best airlines flying from United States to Chicago Greater Rockford Airport

Compare and see reviews for airlines that fly from United States to Chicago Greater Rockford Airport with momondo

Traveling to a place near Chicago?

Why use momondo?

An easier way to manage your Chicago Greater Rockford Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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