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$79+ Cheap flights from Chattanooga (CHA) 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 2/26. Fares are subject to change and may not be available on all flights or dates of travel.
CHA — ORD
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
1 adult, Economy
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Cheap flight deals from Chattanooga to Illinois

Cheapest flights from Chattanooga to Illinois
Explore the most affordable flight options available from Chattanooga to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 27, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/25. 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.
Thu 2/269:23 pm
CHA
-
ORD
1 stop27h 01m
Multiple Airlines
Wed 3/48:16 pm
ORD
-
CHA
1 stop20h 22m
Multiple Airlines
Deal found 1/25$163
This Kiwi.com deal was found by Cheapflights users on 1/24. 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.
Thu 2/269:23 pm
CHA
-
ORD
1 stop14h 59m
Multiple Airlines
Sat 2/288:16 pm
ORD
-
CHA
1 stop23h 17m
Multiple Airlines
Deal found 1/24$170
This United Airlines deal was found by Cheapflights users on 1/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/205:22 pm
CHA
-
ORD
Nonstop2h 17m
United Airlines
Tue 2/246:05 pm
ORD
-
CHA
Nonstop1h 45m
United Airlines
Deal found 1/27$189
This American Airlines deal was found by Cheapflights users on 1/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/196:49 pm
CHA
-
ORD
Nonstop2h 11m
American Airlines
Sun 2/226:59 pm
ORD
-
CHA
Nonstop1h 52m
American Airlines
Deal found 1/26$190
This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
Thu 4/94:43 pm
CHA
-
ORD
1 stop7h 34m
Multiple Airlines
Sat 4/118:41 pm
ORD
-
CHA
1 stop18h 12m
Multiple Airlines
Deal found 1/27$191
This Kiwi.com deal was found by Cheapflights users on 1/26. 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.
Thu 2/269:23 pm
CHA
-
ORD
2 stops14h 28m
Multiple Airlines
Thu 3/55:15 am
ORD
-
CHA
1 stop11h 23m
Multiple Airlines
Deal found 1/26$194
This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
Thu 4/94:43 pm
CHA
-
ORD
1 stop7h 34m
Multiple Airlines
Sun 4/127:17 am
ORD
-
CHA
1 stop7h 36m
Multiple Airlines
Deal found 1/27$195
This United Airlines deal was found by Cheapflights users on 1/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/96:30 am
CHA
-
ORD
Nonstop2h 09m
United Airlines
Sat 4/112:10 pm
ORD
-
CHA
Nonstop1h 56m
United Airlines
Deal found 1/27$198
This American Airlines deal was found by Cheapflights users on 1/25. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/136:49 pm
CHA
-
ORD
Nonstop2h 11m
American Airlines
Mon 2/163:29 pm
ORD
-
CHA
Nonstop1h 49m
American Airlines
Deal found 1/25$204
This Delta deal was found by Cheapflights users on 1/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/202:44 pm
CHA
-
MDW
1 stop3h 53m
Delta
Wed 2/259:34 am
MDW
-
CHA
1 stop3h 46m
Delta
Deal found 1/27$209
This Delta deal was found by Cheapflights users on 1/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/133:07 pm
CHA
-
ORD
1 stop4h 27m
Delta
Mon 3/165:59 pm
ORD
-
CHA
1 stop4h 42m
Delta
Deal found 1/27$209
This American Airlines deal was found by Cheapflights users on 1/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/137:59 am
CHA
-
ORD
Nonstop2h 11m
American Airlines
Sun 2/156:59 pm
ORD
-
CHA
Nonstop1h 52m
American Airlines
Deal found 1/27$219

Find flight deals from Chattanooga to Illinois

Keep the following information in mind while searching for Chattanooga to Illinois flight deals. Data was last updated January 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$163
(Kiwi.com)

One-way from

$79
(Kiwi.com)

Popular in

April

Cheapest in

January

Average price

$249

Good round-trip deal

$308 or less

Good one-way deal

$293 or less
Provider with most accurate pricing for Chattanooga Lovell Field-Chicago (CHI) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chattanooga Lovell Field-Chicago (CHI) flights.
Search Deals
From Chattanooga Lovell Field to Illinois
Search Deals
One-way flight from Chattanooga Lovell Field to Illinois
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($35 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 January 2026
Search Deals
Price to beat on a round-trip flight from Chattanooga Lovell Field to Illinois.
Search Deals
Price to beat on a one-way flight from Chattanooga Lovell Field to Illinois.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Chattanooga 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 January 27, 2026.
Use the filters below to find and compare flights from Chattanooga to Illinois that are best for you.

Fly from

Chattanooga

Fly to

Illinois

Route

Depart

Return

Price

ChattanoogaChicago

CHA - ORD

CHAORD

Chattanooga Lovell Field

Fri 4/10

6:30 am-7:39 am

Nonstop2h 09m

Chicago O'Hare Intl

Mon 4/13

6:05 pm-8:54 pm

Nonstop1h 49m

$189

ChattanoogaChicago

CHA - ORD

CHAORD

Chattanooga Lovell Field

Sat 3/7

10:53 am-12:00 pm

Nonstop2h 07m

Chicago O'Hare Intl

Mon 3/9

7:25 am-10:12 am

Nonstop1h 47m

$189

ChattanoogaChicago

CHA - ORD

CHAORD

Chattanooga Lovell Field

Thu 4/16

6:30 am-7:39 am

Nonstop2h 09m

Chicago O'Hare Intl

Sat 4/18

6:05 pm-8:54 pm

Nonstop1h 49m

$198

ChattanoogaChicago

CHA - MDW

CHAMDW

Chattanooga Lovell Field

Fri 2/20

6:32 pm-10:31 pm

1 stop4h 59m

Chicago Midway

Sun 2/22

6:00 am-10:55 am

1 stop3h 55m

$209

ChattanoogaChicago

CHA - MDW

CHAMDW

Chattanooga Lovell Field

Fri 2/20

6:32 pm-10:31 pm

1 stop4h 59m

Chicago Midway

Tue 2/24

6:00 am-10:55 am

1 stop3h 55m

$209

ChattanoogaChicago

CHA - MDW

CHAMDW

Chattanooga Lovell Field

Fri 2/27

2:44 pm-5:37 pm

1 stop3h 53m

Chicago Midway

Tue 3/3

9:34 am-2:20 pm

1 stop3h 46m

$209

ChattanoogaChicago

CHA - MDW

CHAMDW

Chattanooga Lovell Field

Fri 4/17

7:51 pm-10:28 pm

1 stop3h 37m

Chicago Midway

Wed 4/22

6:00 am-11:07 am

1 stop4h 07m

$209

ChattanoogaChicago

CHA - MDW

CHAMDW

Chattanooga Lovell Field

Thu 3/19

3:07 pm-5:54 pm

1 stop3h 47m

Chicago Midway

Mon 3/23

9:35 am-2:09 pm

1 stop3h 34m

$209

ChattanoogaChicago

CHA - MDW

CHAMDW

Chattanooga Lovell Field

Tue 5/12

2:55 pm-6:31 pm

1 stop4h 36m

Chicago Midway

Sun 5/17

9:30 am-2:33 pm

1 stop4h 03m

$209

ChattanoogaChicago

CHA - MDW

CHAMDW

Chattanooga Lovell Field

Fri 2/27

2:44 pm-5:37 pm

1 stop3h 53m

Chicago Midway

Wed 3/4

6:00 am-10:55 am

1 stop3h 55m

$209

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 50 results
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Best time to book a flight from Chattanooga to Illinois

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

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

Currently, August is the cheapest month in which you can book a flight from Chattanooga to Illinois (average of $60). Flying from Chattanooga to Illinois in January is currently the most expensive (average of $189). 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 CHA to IL?

Find hourly flight availability from Chattanooga 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 January 27, 2026.

When flying from Chattanooga to Illinois, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Chattanooga to Illinois

Explore weekly flight availability from Chattanooga to Illinois. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated January 27, 2026.

The most flights from CHA to USIL are scheduled on a Monday (3 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (1 on average).

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 January 27, 2026.
See what other customers who have flown with Delta, United Airlines, and American Airlines from Chattanooga to Illinois have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,119 reviews

Crew

8.5

Food

7.2

Entertainment

7.8

Overall

7.9

Boarding

8.1

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,119 reviews
Delta
7.9
Good
8,119 reviews

Crew

8.5

Food

7.2

Entertainment

7.8

Overall

7.9

Boarding

8.1

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,205 reviews
Delta
7.9
Good
8,119 reviews

Crew

8.5

Food

7.2

Entertainment

7.8

Overall

7.9

Boarding

8.1

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,197 reviews
Delta
7.9
Good
8,119 reviews

Crew

8.5

Food

7.2

Entertainment

7.8

Overall

7.9

Boarding

8.1

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

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

  • What airport do you fly from for flights from Chattanooga to Illinois?

    Chattanooga Lovell Field (CHA) is the airport you will fly out of if you book a flight from Chattanooga to Illinois. It is only a 6.0 mi journey to Lovell Field (CHA) from Chattanooga’s city center.

  • How long is the flight from Chattanooga to Illinois?

    Airlines like United Airlines, Delta, and American Airlines fly from Chattanooga to Illinois in about 2h 09m. The time it takes to get you to your destination can typically vary by up to 2h 50m. The distance between Chattanooga and Illinois is about 501 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    One-way options have recently been found by users for as low as $99 on American Airlines. Other airlines that offer cheap prices include Delta from $123 and United Airlines from $168 one-way.

  • What are the most popular routes from Chattanooga to Illinois?

    The most popular route from Chattanooga to Illinois is Chattanooga Lovell Field - Chicago O'Hare Intl. You may also consider Chattanooga Lovell Field - Chicago Midway or Chattanooga Lovell Field - Lambert-St Louis.

  • What are the most reliable airlines from Chattanooga to Illinois?

    Consider Envoy Air (92%), American Airlines (76%) or GoJet (73%) when booking your flight. These represent the most reliable airlines when flying from Chattanooga to Illinois.

  • What are the cheapest flights from Chattanooga to Illinois?

    The cheapest flight price from Chattanooga to Illinois is $169. On average you can expect to pay $901. The most popular route, (Chattanooga Lovell Field - Chicago O'Hare Intl), can usually be booked for $163.

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

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

  • How can I find direct flights from Chattanooga to Illinois?

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

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

    Yes. Cheapflights offers flight deals from Chattanooga 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 Chattanooga to Illinois?

    Currently, August is the cheapest month in which you can book a flight from Chattanooga to Illinois (average of $60). Flying from Chattanooga to Illinois in January is currently the most expensive (average of $189). 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 Chattanooga to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Chattanooga to Illinois

Discover the top 3 airlines that operate flights from Chattanooga 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 January 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$189Average$319FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$189Average$361FlexibilityNo cancel feeOn-time69%
DeltaCheapest$208Average$311FlexibilityNo cancel feeOn-timeN/A

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