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Chattanooga

$86+ 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 2/25. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — CHA
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
1 adult, Economy
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Cheap 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 January 27, 2026.

This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/257:25 am
ORD
-
CHA
Nonstop1h 47m
United Airlines
Tue 3/316:30 am
CHA
-
ORD
Nonstop2h 09m
United Airlines
Deal found 1/25$189
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.
Thu 2/123:29 pm
ORD
-
CHA
Nonstop1h 49m
American Airlines
Sun 2/157:59 am
CHA
-
ORD
Nonstop2h 11m
American Airlines
Deal found 1/25$204
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.
Sun 2/155:15 am
ORD
-
CHA
1 stop8h 28m
Multiple Airlines
Thu 2/193:33 pm
CHA
-
ORD
1 stop8h 51m
Multiple Airlines
Deal found 1/27$205
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/199:35 am
MDW
-
CHA
1 stop3h 34m
Delta
Sun 3/227:00 am
CHA
-
MDW
1 stop6h 29m
Delta
Deal found 1/26$209
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/25:04 pm
ORD
-
CHA
1 stop3h 39m
Delta
Tue 5/54:32 pm
CHA
-
ORD
1 stop4h 44m
Delta
Deal found 1/26$209
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.
Fri 2/273:29 pm
ORD
-
CHA
Nonstop1h 49m
American Airlines
Sat 2/282:11 pm
CHA
-
ORD
1 stop8h 49m
American Airlines
Deal found 1/26$220
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/116:00 am
MDW
-
CHA
1 stop4h 01m
Delta
Mon 2/162:44 pm
CHA
-
MDW
1 stop3h 53m
Delta
Deal found 1/24$224
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/125:25 am
ORD
-
CHA
1 stop4h 30m
Delta
Sun 2/152:44 pm
CHA
-
ORD
1 stop7h 00m
Delta
Deal found 1/25$224
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.
Sun 2/225:15 am
ORD
-
CHA
1 stop8h 28m
Multiple Airlines
Fri 2/2710:03 pm
CHA
-
ORD
2 stops27h 37m
Multiple Airlines
Deal found 1/26$226
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.
Wed 4/88:41 pm
ORD
-
CHA
1 stop18h 12m
Multiple Airlines
Sun 4/124:43 pm
CHA
-
ORD
2 stops19h 07m
Multiple Airlines
Deal found 1/25$231
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/69:34 am
MDW
-
CHA
1 stop3h 46m
Delta
Mon 3/97:00 am
CHA
-
MDW
1 stop6h 29m
Delta
Deal found 1/25$234
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.
Thu 3/196:59 pm
ORD
-
CHA
Nonstop1h 52m
American Airlines
Wed 3/258:00 am
CHA
-
ORD
Nonstop2h 11m
American Airlines
Deal found 1/27$234

Find flight deals from Illinois to Chattanooga

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

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$189
(United Airlines)

One-way from

$86
(Kiwi.com)

Popular in

March

Cheapest in

February

Average price

$334

Good round-trip deal

$204 or less

Good one-way deal

$458 or less
Provider with most accurate pricing for Chicago (CHI)-Chattanooga Lovell Field flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Chattanooga Lovell Field flights.
Search Deals
From Illinois to Chattanooga Lovell Field
Search Deals
One-way flight from Illinois to Chattanooga Lovell Field
Search Deals
High demand for flights, 3% potential price rise
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($10 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 Illinois to Chattanooga Lovell Field.
Search Deals
Price to beat on a one-way flight from Illinois to Chattanooga Lovell Field.
Search Deals

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 January 27, 2026.
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

Wed 3/25

3:28 pm-6:17 pm

Nonstop1h 49m

Chattanooga Lovell Field

Tue 3/31

8:00 am-9:11 am

Nonstop2h 11m

$189

ChicagoChattanooga

ORD - CHA

ORDCHA

Chicago O'Hare Intl

Thu 3/12

7:25 am-10:12 am

Nonstop1h 47m

Chattanooga Lovell Field

Wed 3/18

10:53 am-12:00 pm

Nonstop2h 07m

$189

ChicagoChattanooga

ORD - CHA

ORDCHA

Chicago O'Hare Intl

Wed 3/25

7:25 am-10:12 am

Nonstop1h 47m

Chattanooga Lovell Field

Tue 3/31

6:30 am-7:39 am

Nonstop2h 09m

$189

ChicagoChattanooga

ORD - CHA

ORDCHA

Chicago O'Hare Intl

Mon 2/23

6:59 pm-9:51 pm

Nonstop1h 52m

Chattanooga Lovell Field

Mon 3/2

6:49 pm-8:00 pm

Nonstop2h 11m

$189

ChicagoChattanooga

ORD - CHA

ORDCHA

Chicago O'Hare Intl

Thu 3/12

6:59 pm-9:51 pm

Nonstop1h 52m

Chattanooga Lovell Field

Wed 3/18

6:47 pm-7:58 pm

Nonstop2h 11m

$189

ChicagoChattanooga

ORD - CHA

ORDCHA

Chicago O'Hare Intl

Thu 2/12

3:29 pm-6:18 pm

Nonstop1h 49m

Chattanooga Lovell Field

Sun 2/15

7:59 am-9:10 am

Nonstop2h 11m

$204

ChicagoChattanooga

MDW - CHA

MDWCHA

Chicago Midway

Thu 3/19

9:35 am-2:09 pm

1 stop3h 34m

Chattanooga Lovell Field

Wed 3/25

5:50 am-9:56 am

1 stop5h 06m

$209

ChicagoChattanooga

MDW - CHA

MDWCHA

Chicago Midway

Sat 3/7

4:13 pm-11:21 pm

1 stop6h 08m

Chattanooga Lovell Field

Sun 3/8

7:00 am-12:29 pm

1 stop6h 29m

$209

ChicagoChattanooga

MDW - CHA

MDWCHA

Chicago Midway

Thu 3/19

9:35 am-2:09 pm

1 stop3h 34m

Chattanooga Lovell Field

Sun 3/22

7:00 am-12:29 pm

1 stop6h 29m

$209

ChicagoChattanooga

MDW - CHA

MDWCHA

Chicago Midway

Thu 4/9

9:35 am-2:09 pm

1 stop3h 34m

Chattanooga Lovell Field

Sat 4/11

7:00 am-12:29 pm

1 stop6h 29m

$209

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/25

Showing 1-10 of 49 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, July is the cheapest month in which you can book a flight from Illinois to Chattanooga (average of $78). Flying from Illinois to Chattanooga in December is currently the most expensive (average of $193). 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 January 27, 2026.

It’s optimal to fly from Illinois to Chattanooga in the afternoon. By choosing this option you can save up to 17% on the cost of your flight, compared to a flight at noon.

What is the cheapest day to fly from Illinois to Chattanooga?

Use this chart to determine the cheapest time to fly round-trip from Illinois to Chattanooga. Price data was last updated on January 24, 2026.

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

Weekly flight availability from Illinois to Chattanooga

Explore weekly flight availability from Illinois to Chattanooga. 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 USIL to CHA 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 (3 on average).

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 47m. 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 Envoy Air (77%), Republic Airways (72%) or American Airlines (67%) 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 $344 for a flight from Illinois to Chattanooga. The cheapest flight overall is $189 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, July is the cheapest month in which you can book a flight from Illinois to Chattanooga (average of $78). Flying from Illinois to Chattanooga in December is currently the most expensive (average of $193). 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.

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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 January 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$173Average$273FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$189Average$314FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$193Average$318FlexibilityNo cancel feeOn-time71%

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