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$104+ 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 9/26. Fares are subject to change and may not be available on all flights or dates of travel.
CHA — ORD
out 11 — out 181
sáb 10/11
sáb 10/18
1 adult, Economy
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Cheap flight deals from Chattanooga to Illinois

Keep the following information in mind while searching for Chattanooga to Illinois flight deals. Data was last updated setembro 11, 2025.

Round-trip from

$189
(United Airlines)

One-way from

$104
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$315

Good round-trip deal

$283 or less

Good one-way deal

$208 or less
From Chattanooga Lovell Field to Illinois
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One-way flight from Chattanooga Lovell Field to Illinois
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Highest demand for flights based on searches. 3% potential increase in price ($11 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Chattanooga Lovell Field to Illinois.
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Price to beat on a one-way flight from Chattanooga Lovell Field to Illinois.
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Find 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 setembro 11, 2025.

This United Airlines deal was found by Cheapflights users on 9/11. 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.
qui 10/1610:30 amCHA - ORD
Nonstop2h 05mUnited Airlines
dom 10/198:10 pmORD - CHA
Nonstop2h 01mUnited Airlines
Deal found 9/11$189
This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
sex 9/265:52 pmCHA - ORD
1 stop22h 25mMultiple Airlines
qui 10/28:49 pmORD - CHA
1 stop19h 08mMultiple Airlines
Deal found 9/10$193
This United Airlines deal was found by Cheapflights users on 9/11. 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.
qua 10/17:02 amCHA - ORD
Nonstop2h 03mUnited Airlines
qua 10/810:35 amORD - CHA
Nonstop1h 51mUnited Airlines
Deal found 9/11$194
This Kiwi.com deal was found by Cheapflights users on 9/11. 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.
sex 9/265:52 pmCHA - ORD
1 stop22h 25mMultiple Airlines
seg 9/296:30 amORD - CHA
1 stop9h 27mMultiple Airlines
Deal found 9/11$198
This United Airlines deal was found by Cheapflights users on 9/10. 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.
sex 9/262:01 pmCHA - ORD
Nonstop2h 03mUnited Airlines
sáb 9/271:55 pmORD - CHA
Nonstop1h 51mUnited Airlines
Deal found 9/10$199
This Delta deal was found by Cheapflights users on 9/10. 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.
qui 10/237:32 amCHA - MDW
1 stop5h 56mDelta
sáb 10/2510:35 amMDW - CHA
1 stop5h 39mDelta
Deal found 9/10$209
This Delta deal was found by Cheapflights users on 9/11. 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.
qui 10/27:35 amCHA - ORD
1 stop3h 44mDelta
qua 10/88:55 amORD - CHA
1 stop4h 14mDelta
Deal found 9/11$209
This United Airlines deal was found by Cheapflights users on 9/11. 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.
qui 10/92:01 pmCHA - ORD
Nonstop2h 03mUnited Airlines
dom 10/128:10 pmORD - CHA
Nonstop2h 01mUnited Airlines
Deal found 9/11$210
This American Airlines deal was found by Cheapflights users on 9/8. 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.
sex 10/311:12 pmCHA - STL
1 stop6h 10mAmerican Airlines
seg 11/34:42 pmSTL - CHA
1 stop5h 38mAmerican Airlines
Deal found 9/8$214
This Delta deal was found by Cheapflights users on 9/10. 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.
sáb 9/273:00 pmCHA - MDW
1 stop4h 35mDelta
qua 10/19:35 amMDW - CHA
1 stop3h 29mDelta
Deal found 9/10$214
This Delta deal was found by Cheapflights users on 9/11. 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.
ter 9/307:35 amCHA - ORD
1 stop6h 00mDelta
ter 10/74:56 pmORD - CHA
1 stop4h 02mDelta
Deal found 9/11$214
This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
sex 9/265:52 pmCHA - ORD
1 stop22h 25mMultiple Airlines
ter 9/305:17 pmORD - CHA
1 stop20h 29mMultiple Airlines
Deal found 9/10$215

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 setembro 11, 2025.
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

qui 9/25

5:40 pm-6:55 pm

Nonstop2h 15m

Chicago O'Hare Intl

dom 9/28

8:10 pm-11:11 pm

Nonstop2h 01m

$199

ChattanoogaChicago

CHA - ORD

CHAORD

Chattanooga Lovell Field

sex 9/26

7:02 am-8:05 am

Nonstop2h 03m

Chicago O'Hare Intl

dom 9/28

8:45 am-11:36 am

Nonstop1h 51m

$199

ChattanoogaChicago

CHA - MDW

CHAMDW

Chattanooga Lovell Field

sáb 11/8

7:32 am-12:26 pm

1 stop5h 54m

Chicago Midway

ter 11/18

9:32 am-2:12 pm

1 stop3h 40m

$209

ChattanoogaChicago

CHA - MDW

CHAMDW

Chattanooga Lovell Field

qui 10/23

7:32 am-12:28 pm

1 stop5h 56m

Chicago Midway

ter 10/28

5:04 pm-11:42 pm

1 stop5h 38m

$209

ChattanoogaChicago

CHA - MDW

CHAMDW

Chattanooga Lovell Field

sáb 11/8

3:05 pm-6:25 pm

1 stop4h 20m

Chicago Midway

sáb 11/15

11:05 am-3:29 pm

1 stop3h 24m

$209

ChattanoogaChicago

CHA - MDW

CHAMDW

Chattanooga Lovell Field

sáb 11/8

3:05 pm-6:25 pm

1 stop4h 20m

Chicago Midway

qua 11/12

9:32 am-2:12 pm

1 stop3h 40m

$209

ChattanoogaChicago

CHA - MDW

CHAMDW

Chattanooga Lovell Field

qui 10/16

7:32 am-12:28 pm

1 stop5h 56m

Chicago Midway

ter 10/21

9:35 am-2:09 pm

1 stop3h 34m

$209

ChattanoogaChicago

CHA - MDW

CHAMDW

Chattanooga Lovell Field

ter 11/11

7:25 am-12:34 pm

1 stop6h 09m

Chicago Midway

sáb 11/15

9:32 am-2:12 pm

1 stop3h 40m

$209

ChattanoogaChicago

CHA - ORD

CHAORD

Chattanooga Lovell Field

sáb 10/11

4:04 pm-6:49 pm

1 stop3h 45m

Chicago O'Hare Intl

ter 10/21

8:55 am-2:09 pm

1 stop4h 14m

$209

ChattanoogaChicago

CHA - ORD

CHAORD

Chattanooga Lovell Field

qui 11/27

7:25 am-1:50 pm

1 stop7h 25m

Chicago O'Hare Intl

ter 12/9

8:55 am-2:15 pm

1 stop4h 20m

$209

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 60 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 $245). Flying from Chattanooga to Illinois in March is currently the most expensive (average of $321). 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 setembro 11, 2025.

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 setembro 11, 2025.

The most flights from CHA to USIL are scheduled on a Monday (4 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (2 on average).

How much does it cost to fly round-trip from Chattanooga to Illinois?

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 setembro 11, 2025.
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
8.0
Very good
7,960 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,960 reviews
Delta
8.0
Very good
7,960 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,937 reviews
Delta
8.0
Very good
7,960 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,960 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 15m. The time it takes to get you to your destination can typically vary by up to 3h 55m. 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 $127 on Allegiant Air. Other airlines that offer cheap prices include American Airlines from $186 and United Airlines from $197 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 - Moline Quad-City.

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

    Consider SkyWest Airlines (81%), United Airlines (70%) or GoJet (62%) 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 $126. On average you can expect to pay $929. The most popular route, (Chattanooga Lovell Field - Chicago O'Hare Intl), can usually be booked for $189.

  • 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 $245). Flying from Chattanooga to Illinois in March is currently the most expensive (average of $321). 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 setembro 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$189Average$386FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$193Average$365FlexibilityNo cancel feeOn-time69%
DeltaCheapest$208Average$293FlexibilityNo cancel feeOn-timeN/A

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