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$55+ Cheap flights from North Carolina to Illinois

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 12/8. Fares are subject to change and may not be available on all flights or dates of travel.
RDU — ORD
nov. 29 — dic. 61
sáb. 11/29
sáb. 12/6
1 adult, Economy
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Find flight deals from North Carolina to Illinois

Cheapest flights from North Carolina to Illinois
Explore the most affordable flight options available from North Carolina to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on octubre 30, 2025.

This Frontier deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/1310:51 pmCLT - ORD
1 stop9h 35mFrontier
sáb. 11/1511:51 amORD - CLT
Nonstop2h 05mFrontier
Deal found 10/29$94
This Kiwi.com deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/83:07 pmCLT - ORD
1 stop9h 50mFrontier
lun. 12/158:50 amORD - CLT
Nonstop2h 07mFrontier
Deal found 10/29$97
This Frontier deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/143:07 pmCLT - ORD
1 stop8h 34mFrontier
lun. 12/158:50 amORD - CLT
Nonstop2h 07mFrontier
Deal found 10/29$99
This Kiwi.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/49:17 amCLT - ORD
Nonstop2h 13mFrontier
vie. 12/58:50 amORD - CLT
Nonstop2h 07mFrontier
Deal found 10/28$100
This Kiwi.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/1212:52 pmCLT - ORD
Nonstop2h 13mFrontier
dom. 12/148:55 amORD - CLT
Nonstop2h 07mFrontier
Deal found 10/28$102
This Mytrip deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/274:17 pmCLT - ORD
Nonstop2h 22mMultiple Airlines
mié. 12/310:59 amORD - CLT
1 stop6h 42mMultiple Airlines
Deal found 10/28$104
This Mytrip deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/116:00 amCLT - ORD
1 stop9h 31mMultiple Airlines
vie. 11/1411:53 amORD - CLT
Nonstop2h 05mMultiple Airlines
Deal found 10/28$105
This Priceline deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/52:58 pmCLT - ORD
1 stop10h 11mMultiple Airlines
dom. 12/78:55 amORD - CLT
Nonstop2h 07mMultiple Airlines
Deal found 10/28$107
This Priceline deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/136:00 amCLT - ORD
1 stop9h 31mMultiple Airlines
sáb. 11/158:00 amORD - CLT
1 stop7h 10mMultiple Airlines
Deal found 10/29$108
This CheapOair deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/151:18 pmCLT - MDW
1 stop20h 54mFrontier
lun. 11/179:27 amMDW - CLT
1 stop27h 05mFrontier
Deal found 10/30$110
This Frontier deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/46:00 amRDU - STL
1 stop6h 07mFrontier
jue. 12/1112:04 pmSTL - RDU
1 stop11h 08mFrontier
Deal found 10/30$110
This Booking.com deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/88:14 pmRDU - STL
1 stop27h 19mFrontier
jue. 12/1112:04 pmSTL - RDU
1 stop11h 08mFrontier
Deal found 10/29$121

Cheap flight deals from North Carolina to Illinois

Keep the following information in mind while searching for North Carolina to Illinois flight deals. Data was last updated octubre 30, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$94
(Frontier)

One-way from

$55
(Priceline)

Popular in

March

Cheapest in

August

Average price

$229

Good round-trip deal

$78 or less

Good one-way deal

$98 or less
Provider with most accurate pricing for Raleigh-Durham-Chicago (CHI) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Raleigh-Durham-Chicago (CHI) flights.
Search Deals
From North Carolina to Illinois
Search Deals
One-way flight from North Carolina to Illinois
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($59 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals
Price to beat on a round-trip flight from North Carolina to Illinois.
Search Deals
Price to beat on a one-way flight from North Carolina to Illinois.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from North Carolina to Illinois 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, Cheapflights users made 2,558,603 searches. Data last updated octubre 30, 2025.
Use the filters below to find and compare flights from North Carolina to Illinois that are best for you.

Fly from

North Carolina

Fly to

Illinois

Route

Depart

Return

Price

CharlotteChicago

CLT - ORD

CLTORD

Charlotte Douglas

jue. 11/13

6:07 pm-12:15 am

1 stop7h 08m

Chicago O'Hare Intl

dom. 11/16

11:43 am-2:48 pm

Nonstop2h 05m

$124

RaleighChicago

RDU - ORD

RDUORD

Raleigh-Durham

jue. 11/13

7:05 pm-12:11 am

1 stop6h 06m

Chicago O'Hare Intl

vie. 11/14

7:34 pm-1:19 pm

1 stop16h 45m

$131

RaleighChicago

RDU - MDW

RDUMDW

Raleigh-Durham

sáb. 12/6

5:10 pm-6:15 pm

Nonstop2h 05m

Chicago Midway

sáb. 12/13

9:50 am-12:45 pm

Nonstop1h 55m

$139

RaleighSt. Louis

RDU - STL

RDUSTL

Raleigh-Durham

lun. 11/17

5:21 pm-9:07 am

1 stop16h 46m

Lambert-St Louis

mié. 11/19

7:24 pm-8:24 am

1 stop12h 00m

$148

CharlotteChicago

CLT - ORD

CLTORD

Charlotte Douglas

vie. 11/7

3:53 pm-5:15 pm

Nonstop2h 22m

Chicago O'Hare Intl

sáb. 11/15

8:00 am-4:10 pm

1 stop7h 10m

$149

CharlotteChicago

CLT - ORD

CLTORD

Charlotte Douglas

lun. 12/8

6:30 am-7:52 am

Nonstop2h 22m

Chicago O'Hare Intl

mar. 12/9

6:19 pm-9:39 pm

Nonstop2h 20m

$151

CharlotteChicago

CLT - ORD

CLTORD

Charlotte Douglas

jue. 11/27

10:43 am-12:05 pm

Nonstop2h 22m

Chicago O'Hare Intl

mié. 12/3

7:15 am-10:32 am

Nonstop2h 17m

$153

RaleighChicago

RDU - ORD

RDUORD

Raleigh-Durham

lun. 11/24

6:30 am-7:56 am

Nonstop2h 26m

Chicago O'Hare Intl

mar. 12/2

7:10 am-10:14 am

Nonstop2h 04m

$154

CharlotteChicago

CLT - MDW

CLTMDW

Charlotte Douglas

vie. 12/12

6:55 pm-11:30 pm

1 stop5h 35m

Chicago Midway

mié. 12/17

6:00 pm-8:50 pm

Nonstop1h 50m

$161

CharlotteChicago

CLT - ORD

CLTORD

Charlotte Douglas

jue. 12/4

11:30 am-12:54 pm

Nonstop2h 24m

Chicago O'Hare Intl

lun. 12/8

6:35 pm-9:49 pm

Nonstop2h 14m

$163

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

Showing 1-10 of 60 results
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Best time to book a flight from North Carolina to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from North Carolina 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 North Carolina to Illinois

What is the cheapest month to book a flight from North Carolina to Illinois?

Currently, February is the cheapest month in which you can book a flight from North Carolina to Illinois (average of $57). Flying from North Carolina to Illinois in January is currently the most expensive (average of $128). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from NC to IL?

Find hourly flight availability from North Carolina to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated octubre 30, 2025.

One of the essential ways to save on airfare from North Carolina to Illinois is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 10% on airfare.

What is the cheapest day to fly from North Carolina to Illinois?

Use this chart to determine the cheapest time to fly round-trip from North Carolina to Illinois. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their North Carolina to Illinois flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Tuesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Illinois. Reviews last updated octubre 30, 2025.
See what other customers who have flown with Southwest, Delta, and United Airlines from North Carolina to Illinois have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,243 reviews

Overall

8.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Food

7.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,243 reviews
Southwest
8.0
Very good
4,243 reviews

Overall

8.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Food

7.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
7.9
Good
7,998 reviews
Southwest
8.0
Very good
4,243 reviews

Overall

8.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Food

7.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
8,998 reviews
Southwest
8.0
Very good
4,243 reviews

Overall

8.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Food

7.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
11,035 reviews
Southwest
8.0
Very good
4,243 reviews

Overall

8.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Food

7.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Frontier
5.8
Fair
3,122 reviews
Southwest
8.0
Very good
4,243 reviews

Overall

8.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Food

7.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

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

  • How long is the flight from North Carolina to Illinois?

    Frontier, Southwest, and United Airlines can get you from North Carolina to Illinois in just under 2h 05m. Your travel time can differ by up to 5h 03m. The distance between North Carolina and Illinois is about 631 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from North Carolina to Illinois one-way?

    The cheapest airlines for a one-way flight from North Carolina to Illinois are Frontier ($65), Southwest ($70), and United Airlines ($70).

  • Can I find deals for flights from North Carolina to Illinois that include hotel bookings?

    Yes. In addition to deals on North Carolina to Illinois flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from North Carolina to Illinois?

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

  • Can I find deals for business class flights from North Carolina to Illinois?

    Yes. Cheapflights offers flight deals from North Carolina to Illinois by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from North Carolina to Illinois?

    Currently, February is the cheapest month in which you can book a flight from North Carolina to Illinois (average of $57). Flying from North Carolina to Illinois in January is currently the most expensive (average of $128). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for North Carolina to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
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Top 7 airlines flying from North Carolina to Illinois

Discover the top 7 airlines that operate flights from North Carolina to Illinois. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated octubre 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$56Average$176FlexibilityNo cancel feeOn-time62%
Allegiant AirCheapest$58Average$91FlexibilityNo cancel feeOn-time88%
Spirit AirlinesCheapest$84Average$242FlexibilityNo cancel feeOn-time65%
DeltaCheapest$98Average$321FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$142Average$334FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$143Average$385FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$170Average$303FlexibilityNo cancel feeOn-time63%

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