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$89+ Cheap flights from Illinois to Chattanooga (CHA)

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 9/14. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — CHA
Aug 25 — Sep 11
Mon 8/25
Mon 9/1
1 adult, Economy
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Cheap flight deals from Illinois to Chattanooga

Keep the following information in mind while searching for Illinois to Chattanooga flight deals. Data was last updated August 20, 2025.

Round-trip from

$189
(American Airlines)

One-way from

$89
(Kiwi.com)

Popular in

March

Cheapest in

September

Average price

$319

Good round-trip deal

$313 or less

Good one-way deal

$243 or less
From Illinois to Chattanooga Lovell Field
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One-way flight from Illinois to Chattanooga Lovell Field
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Highest demand for flights based on searches. 9% potential increase in price ($40 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Price to beat on a round-trip flight from Illinois to Chattanooga Lovell Field.
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Price to beat on a one-way flight from Illinois to Chattanooga Lovell Field.
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Find flight deals from Illinois to Chattanooga

Cheapest flights from Illinois to Chattanooga
Explore the most affordable flight options available from Illinois to Chattanooga. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 20, 2025.

This American Airlines deal was found by Cheapflights users on 8/19. 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.
Tue 11/42:08 pmORD - CHA
Nonstop1h 56mAmerican Airlines
Sat 11/85:19 pmCHA - ORD
Nonstop2h 21mAmerican Airlines
Deal found 8/19$189
This United Airlines deal was found by Cheapflights users on 8/17. 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 9/58:14 pmORD - CHA
Nonstop1h 59mUnited Airlines
Tue 9/95:21 pmCHA - ORD
Nonstop2h 15mUnited Airlines
Deal found 8/17$194
This Delta deal was found by Cheapflights users on 8/18. 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.
Sat 9/274:25 pmMDW - CHA
1 stop6h 10mDelta
Tue 9/307:35 amCHA - MDW
1 stop5h 53mDelta
Deal found 8/18$209
This Delta deal was found by Cheapflights users on 8/17. 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.
Tue 9/95:45 amORD - CHA
1 stop3h 45mDelta
Sat 9/136:31 pmCHA - ORD
1 stop4h 43mDelta
Deal found 8/17$209
This Kiwi.com deal was found by Cheapflights users on 8/19. 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.
Mon 9/296:30 amORD - CHA
1 stop9h 27mMultiple Airlines
Fri 10/35:52 pmCHA - ORD
1 stop22h 25mMultiple Airlines
Deal found 8/19$212
This Delta deal was found by Cheapflights users on 8/19. 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.
Sat 9/66:00 amMDW - CHA
1 stop5h 31mDelta
Sat 9/139:43 amCHA - MDW
1 stop6h 43mDelta
Deal found 8/19$214
This Delta deal was found by Cheapflights users on 8/17. 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 9/55:45 amORD - CHA
1 stop3h 42mDelta
Tue 9/96:40 pmCHA - ORD
1 stop4h 57mDelta
Deal found 8/17$214
This United Airlines deal was found by Cheapflights users on 8/19. 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 11/138:45 amORD - CHA
Nonstop1h 48mUnited Airlines
Sun 11/167:01 amCHA - ORD
Nonstop2h 04mUnited Airlines
Deal found 8/19$218
This Delta deal was found by Cheapflights users on 8/18. 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.
Wed 9/37:05 amORD - CHA
1 stop4h 26mDelta
Sun 9/73:00 pmCHA - ORD
1 stop6h 23mDelta
Deal found 8/18$219
This Kiwi.com deal was found by Cheapflights users on 8/17. 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.
Wed 9/106:44 pmORD - CHA
1 stop15h 20mSpirit Airlines
Fri 9/125:52 pmCHA - ORD
2 stops18h 00mSpirit Airlines
Deal found 8/17$222
This United Airlines deal was found by Cheapflights users on 8/19. 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 9/258:10 pmORD - CHA
Nonstop2h 01mUnited Airlines
Sun 9/2810:30 amCHA - ORD
Nonstop2h 05mUnited Airlines
Deal found 8/19$224
This American Airlines deal was found by Cheapflights users on 8/17. 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.
Tue 12/2310:02 amPIA - CHA
1 stop5h 28mAmerican Airlines
Tue 1/63:55 pmCHA - PIA
1 stop6h 44mAmerican Airlines
Deal found 8/17$229

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois to Chattanooga 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 August 20, 2025.
Use the filters below to find and compare flights from Illinois to Chattanooga that are best for you.

Fly from

Illinois

Fly to

Chattanooga

Route

Depart

Return

Price

ChicagoChattanooga

ORD - CHA

ORDCHA

Chicago O'Hare Intl

Tue 11/4

2:08 pm-5:04 pm

Nonstop1h 56m

Chattanooga Lovell Field

Sat 11/8

5:19 pm-6:40 pm

Nonstop2h 21m

$189

ChicagoChattanooga

ORD - CHA

ORDCHA

Chicago O'Hare Intl

Fri 10/31

1:46 pm-4:29 pm

Nonstop1h 43m

Chattanooga Lovell Field

Mon 11/3

6:35 pm-7:51 pm

Nonstop2h 16m

$189

ChicagoChattanooga

ORD - CHA

ORDCHA

Chicago O'Hare Intl

Sun 2/1

7:05 pm-9:41 pm

Nonstop1h 36m

Chattanooga Lovell Field

Sun 2/8

5:00 pm-6:00 pm

Nonstop2h 00m

$189

ChicagoChattanooga

ORD - CHA

ORDCHA

Chicago O'Hare Intl

Sat 10/25

1:46 pm-4:29 pm

Nonstop1h 43m

Chattanooga Lovell Field

Sat 11/1

7:21 am-8:25 am

Nonstop2h 04m

$189

ChicagoChattanooga

ORD - CHA

ORDCHA

Chicago O'Hare Intl

Tue 10/7

1:46 pm-4:29 pm

Nonstop1h 43m

Chattanooga Lovell Field

Sat 10/11

4:59 pm-6:03 pm

Nonstop2h 04m

$189

ChicagoChattanooga

ORD - CHA

ORDCHA

Chicago O'Hare Intl

Fri 9/5

8:14 pm-11:13 pm

Nonstop1h 59m

Chattanooga Lovell Field

Tue 9/9

5:21 pm-6:36 pm

Nonstop2h 15m

$194

ChicagoChattanooga

ORD - CHA

ORDCHA

Chicago O'Hare Intl

Fri 11/14

5:50 pm-8:36 pm

Nonstop1h 46m

Chattanooga Lovell Field

Sun 11/16

7:01 am-8:05 am

Nonstop2h 04m

$194

ChicagoChattanooga

MDW - CHA

MDWCHA

Chicago Midway

Tue 9/30

6:00 am-12:25 pm

1 stop5h 25m

Chattanooga Lovell Field

Sat 10/4

4:11 pm-9:10 pm

1 stop5h 59m

$209

ChicagoChattanooga

MDW - CHA

MDWCHA

Chicago Midway

Tue 11/4

9:35 am-2:09 pm

1 stop3h 34m

Chattanooga Lovell Field

Sat 11/8

7:32 am-12:26 pm

1 stop5h 54m

$209

ChicagoChattanooga

MDW - CHA

MDWCHA

Chicago Midway

Sat 9/27

4:25 pm-11:35 pm

1 stop6h 10m

Chattanooga Lovell Field

Tue 9/30

7:35 am-12:28 pm

1 stop5h 53m

$209

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/18

Showing 1-10 of 52 results
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Best time to book a flight from Illinois to Chattanooga

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

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

Currently, November is the cheapest month in which you can book a flight from Illinois to Chattanooga (average of $323). Flying from Illinois to Chattanooga in October is currently the most expensive (average of $418). 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 IL to CHA?

Find hourly flight availability from Illinois to Chattanooga. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 20, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Chattanooga as you normally would.

Related info for your journey

Find useful and relevant information for your journey from Illinois to Chattanooga. 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 into for flights to Chattanooga from Illinois?

    For a flight from Illinois to Chattanooga, you will be flying into Lovell Field. Chattanooga Lovell Field (CHA) is just 6.0 mi from the center of the city.

  • How long is the flight from Illinois to Chattanooga?

    For as low as $189, American Airlines can have you in Chattanooga from Illinois in 1h 56m. Illinois and Chattanooga are separated by a distance of 501 mi. This flight may include one or multiple stops.

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

    Most travelers choose Chicago O'Hare Intl - Chattanooga Lovell Field, Chicago Midway - Chattanooga Lovell Field or Lambert-St Louis - Chattanooga Lovell Field when deciding on the best route from Illinois to Chattanooga.

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

    Consider GoJet (74%), United Airlines (70%) or SkyWest Airlines (60%) when booking your flight. These represent the most reliable airlines when flying from Illinois to Chattanooga.

  • What are the cheapest flights from Illinois to Chattanooga?

    On average you can expect to pay $364 for a flight from Illinois to Chattanooga. The cheapest flight overall is $213 while the most popular route, (Chicago O'Hare Intl - Chattanooga Lovell Field) is currently priced at $189.

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from Illinois to Chattanooga (average of $323). Flying from Illinois to Chattanooga in October is currently the most expensive (average of $418). 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

Traveling to a place near Chattanooga?

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Ringgold

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Alternative routes for Illinois to Chattanooga

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

Discover the top 3 airlines that operate flights from Illinois to Chattanooga. 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 August 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$193Average$290FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$202Average$348FlexibilityNo cancel feeOn-time69%
DeltaCheapest$208Average$313FlexibilityNo cancel feeOn-timeN/A

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