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Cheap flights from the United States to Chicago from $46

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 10/10. 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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0 bags

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Find the cheapest flights from the United States to Chicago

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

Allegiant Air Logo
5:27 pm - 6:58 pmBNA-RFD
1h 31mnonstop
Allegiant Air Logo
3:00 pm - 4:29 pmRFD-BNA
1h 29mnonstop
$85Allegiant Air
Find Deal
Fri, Oct 3 - Mon, Oct 6
Allegiant Air Logo
12:33 pm - 2:18 pmSFB-RFD
2h 45mnonstop
Allegiant Air Logo
7:47 pm - 11:17 pmRFD-SFB
2h 30mnonstop
$112Allegiant Air
Find Deal
Fri, Oct 10 - Mon, Oct 13
Allegiant Air Logo
5:27 pm - 6:58 pmBNA-RFD
1h 31mnonstop
Allegiant Air Logo
3:08 pm - 4:37 pmRFD-BNA
1h 29mnonstop
$119Allegiant Air
Find Deal
Fri, Oct 3 - Fri, Oct 10
Allegiant Air Logo
12:33 pm - 2:18 pmSFB-RFD
2h 45mnonstop
Allegiant Air Logo
7:47 pm - 11:17 pmRFD-SFB
2h 30mnonstop
$126Allegiant Air
Find Deal
Fri, Oct 17 - Mon, Oct 20
Allegiant Air Logo
6:15 am - 8:00 amSFB-RFD
2h 45mnonstop
Allegiant Air Logo
7:48 pm - 11:18 pmRFD-SFB
2h 30mnonstop
$128Allegiant Air
Find Deal
Wed, Oct 15 - Fri, Oct 17
Allegiant Air Logo
6:20 am - 8:00 amPIE-RFD
2h 40mnonstop
Allegiant Air Logo
9:00 am - 12:32 pmRFD-PIE
2h 32mnonstop
$132Allegiant Air
Find Deal
Fri, Nov 14 - Mon, Nov 17
Allegiant Air Logo
6:15 am - 8:00 amSFB-RFD
2h 45mnonstop
Allegiant Air Logo
7:48 pm - 11:18 pmRFD-SFB
2h 30mnonstop
$132Allegiant Air
Find Deal
Wed, Oct 8 - Fri, Oct 10
Allegiant Air Logo
6:30 am - 8:14 amPIE-RFD
2h 44mnonstop
Allegiant Air Logo
10:44 am - 2:15 pmRFD-PIE
2h 31mnonstop
$136Allegiant Air
Find Deal
Fri, Oct 3 - Mon, Oct 6
Multiple Airlines Logo
5:27 pm - 6:58 pmBNA-RFD
1h 31mnonstop
Multiple Airlines Logo
7:47 pm - 9:44 amRFD-BNA
13h 57m1 stop
$139Multiple Airlines
Find Deal
Fri, Oct 10 - Mon, Oct 13
Multiple Airlines Logo
8:00 pm - 8:00 amEWR-RFD
13h 00m1 stop
Multiple Airlines Logo
7:48 pm - 9:05 amRFD-EWR
12h 17m1 stop
$197Multiple Airlines
Find Deal
Tue, Sep 30 - Fri, Oct 3

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
Oct 3
BNA5:27 pmNashville Intl
1h 31m
RFD6:58 pmChicago Greater Rockford
Oct 6
RFD3:00 pmChicago Greater Rockford
1h 29m
BNA4:29 pmNashville Intl
$85
Find similar
Allegiant Air
Sep 26
BNA12:56 pmNashville Intl
1h 29m
RFD2:25 pmChicago Greater Rockford
Sep 29
RFD10:37 amChicago Greater Rockford
1h 29m
BNA12:06 pmNashville Intl
$90
Find similar
Allegiant Air
Sep 26
BNA12:56 pmNashville Intl
1h 29m
RFD2:25 pmChicago Greater Rockford
Sep 29
RFD10:37 amChicago Greater Rockford
1h 29m
BNA12:06 pmNashville Intl
$96
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from United States to Chicago Greater Rockford Airport 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, momondo users made 832,500 searches. Data last updated September 17, 2025.
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

NashvilleChicago

BNA - RFD

BNARFD

Nashville Intl

Fri 10/3

5:27 pm-6:58 pm

Nonstop1h 31m

Chicago Greater Rockford

Mon 10/6

3:00 pm-4:29 pm

Nonstop1h 29m

$85

OrlandoChicago

SFB - RFD

SFBRFD

Orlando Sanford Intl

Fri 10/10

12:33 pm-2:18 pm

Nonstop2h 45m

Chicago Greater Rockford

Mon 10/13

7:47 pm-11:17 pm

Nonstop2h 30m

$112

NashvilleChicago

BNA - RFD

BNARFD

Nashville Intl

Fri 10/3

5:27 pm-6:58 pm

Nonstop1h 31m

Chicago Greater Rockford

Fri 10/10

3:08 pm-4:37 pm

Nonstop1h 29m

$119

OrlandoChicago

SFB - RFD

SFBRFD

Orlando Sanford Intl

Fri 10/17

12:33 pm-2:18 pm

Nonstop2h 45m

Chicago Greater Rockford

Mon 10/20

7:47 pm-11:17 pm

Nonstop2h 30m

$126

OrlandoChicago

SFB - RFD

SFBRFD

Orlando Sanford Intl

Wed 10/15

6:15 am-8:00 am

Nonstop2h 45m

Chicago Greater Rockford

Fri 10/17

7:48 pm-11:18 pm

Nonstop2h 30m

$128

TampaChicago

PIE - RFD

PIERFD

Tampa St. Petersburg

Fri 11/14

6:20 am-8:00 am

Nonstop2h 40m

Chicago Greater Rockford

Mon 11/17

9:00 am-12:32 pm

Nonstop2h 32m

$132

OrlandoChicago

SFB - RFD

SFBRFD

Orlando Sanford Intl

Wed 10/8

6:15 am-8:00 am

Nonstop2h 45m

Chicago Greater Rockford

Fri 10/10

7:48 pm-11:18 pm

Nonstop2h 30m

$132

TampaChicago

PIE - RFD

PIERFD

Tampa St. Petersburg

Fri 10/3

6:30 am-8:14 am

Nonstop2h 44m

Chicago Greater Rockford

Mon 10/6

10:44 am-2:15 pm

Nonstop2h 31m

$136

NashvilleChicago

BNA - RFD

BNARFD

Nashville Intl

Fri 10/10

5:27 pm-6:58 pm

Nonstop1h 31m

Chicago Greater Rockford

Mon 10/13

7:47 pm-9:44 am

1 stop13h 57m

$139

NewarkChicago

EWR - RFD

EWRRFD

Newark

Tue 9/30

8:00 pm-8:00 am

1 stop13h 00m

Chicago Greater Rockford

Fri 10/3

7:48 pm-9:05 am

1 stop12h 17m

$197

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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

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

Fly from Los Angeles 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 flights?

There is only 1 cabin class available to choose from on United States to Chicago Greater Rockford 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

$198

Fastest flight time

1h 29m

Direct flights

Tue, Thu, Sat and Sun
The best one-way flight to Chicago Greater Rockford Airport from United States in the past 72 hours is $198. The best round-trip flight deal from United States to Chicago Greater Rockford Airport found on momondo in the last 72 hours is $151.
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 Tuesday, Thursday, Saturday and Sunday. The only airline offering direct flights is Allegiant Air.
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  • 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?

  • 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?

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 AirPriceFrom $91Free CancellationRating
7.2
699 reviews
Search Allegiant Air flights

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Merrillville
New Buffalo
Hammond
Benton Harbor
Saint Joseph
Lansing
Portage
Schererville
Valparaiso
Crown Point
Munster
Chesterton
Monticello
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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