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Chattanooga

$70+ 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 9/30. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — CHA
Aug 29 — Sep 51
Sat 8/29
Sat 9/5
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 July 30, 2026.

This deal was found by Cheapflights users on 7/26. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1410:25 am
ORD
-
CHA
Nonstop1h 51m
United Airlines
Sun 11/156:50 am
CHA
-
ORD
Nonstop2h 10m
United Airlines
Deal found 7/26$227
This American Airlines deal was found by Cheapflights users on 7/26. 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.
Wed 9/97:37 pm
ORD
-
CHA
Nonstop1h 52m
American Airlines
Wed 9/166:00 am
CHA
-
ORD
Nonstop2h 11m
American Airlines
Deal found 7/26$258
This United Airlines deal was found by Cheapflights users on 7/27. 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 9/116:59 am
ORD
-
CHA
Nonstop1h 55m
United Airlines
Sun 9/136:00 am
CHA
-
ORD
Nonstop2h 04m
United Airlines
Deal found 7/27$259
This American Airlines deal was found by Cheapflights users on 7/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/88:56 pm
ORD
-
CHA
Nonstop1h 50m
American Airlines
Tue 9/156:00 am
CHA
-
ORD
Nonstop2h 11m
American Airlines
Deal found 7/24$260
This American Airlines deal was found by Cheapflights users on 7/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/121:39 pm
ORD
-
CHA
Nonstop1h 51m
American Airlines
Sat 9/195:00 pm
CHA
-
ORD
Nonstop2h 19m
American Airlines
Deal found 7/29$261
This American Airlines deal was found by Cheapflights users on 7/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/117:37 pm
ORD
-
CHA
Nonstop1h 52m
American Airlines
Fri 9/186:00 am
CHA
-
ORD
Nonstop2h 11m
American Airlines
Deal found 7/28$267
This American Airlines deal was found by Cheapflights users on 7/26. 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 9/112:56 pm
ORD
-
CHA
1 stop7h 03m
American Airlines
Sun 9/135:00 pm
CHA
-
ORD
Nonstop2h 19m
American Airlines
Deal found 7/26$269
This United Airlines deal was found by Cheapflights users on 7/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/152:10 pm
ORD
-
CHA
Nonstop1h 58m
United Airlines
Wed 8/196:15 am
CHA
-
ORD
Nonstop2h 05m
United Airlines
Deal found 7/26$274
This American Airlines deal was found by Cheapflights users on 7/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/201:15 pm
ORD
-
CHA
1 stop4h 38m
American Airlines
Sun 8/237:15 am
CHA
-
ORD
1 stop4h 36m
American Airlines
Deal found 7/29$278
This Delta deal was found by Cheapflights users on 7/26. 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.
Wed 9/96:05 am
MDW
-
CHA
1 stop4h 18m
Delta
Wed 9/166:23 pm
CHA
-
MDW
1 stop5h 21m
Delta
Deal found 7/26$279
This American Airlines deal was found by Cheapflights users on 7/26. 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.
Tue 9/89:32 am
STL
-
CHA
1 stop6h 50m
American Airlines
Tue 9/155:15 pm
CHA
-
STL
1 stop6h 27m
American Airlines
Deal found 7/26$281
This American Airlines deal was found by Cheapflights users on 7/26. 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 8/2011:41 am
CMI
-
CHA
1 stop4h 41m
American Airlines
Tue 8/257:52 am
CHA
-
CMI
1 stop4h 19m
American Airlines
Deal found 7/26$288

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 July 30, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$227

One-way from

$70
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$329

Good round-trip deal

$264 or less

Good one-way deal

$168 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, 1% potential price rise
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 July 30, 2026.
Use the filters below to find and compare flights from Illinois to Chattanooga that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoChattanooga

ORD - CHA

ORDCHA

Chicago O'Hare Intl

Tue 8/25

6:59 am-9:51 am

Nonstop1h 52m

Chattanooga Lovell Field

Tue 9/1

7:00 pm-8:15 pm

Nonstop2h 15m

$259

ChicagoChattanooga

MDW - CHA

MDWCHA

Chicago Midway

Tue 9/8

9:29 am-2:20 pm

1 stop3h 51m

Chattanooga Lovell Field

Tue 9/15

6:45 am-9:49 am

1 stop4h 04m

$279

ChicagoChattanooga

MDW - CHA

MDWCHA

Chicago Midway

Tue 8/25

6:05 am-12:26 pm

1 stop5h 21m

Chattanooga Lovell Field

Tue 9/1

6:00 am-9:17 am

1 stop4h 17m

$279

ChicagoChattanooga

MDW - CHA

MDWCHA

Chicago Midway

Thu 9/3

12:46 pm-7:21 pm

1 stop5h 35m

Chattanooga Lovell Field

Mon 9/7

6:50 pm-10:36 pm

1 stop4h 46m

$279

ChicagoChattanooga

MDW - CHA

MDWCHA

Chicago Midway

Thu 9/10

6:05 am-11:23 am

1 stop4h 18m

Chattanooga Lovell Field

Thu 9/17

6:00 am-9:07 am

1 stop4h 07m

$279

ChicagoChattanooga

MDW - CHA

MDWCHA

Chicago Midway

Wed 9/9

4:30 pm-11:41 pm

1 stop6h 11m

Chattanooga Lovell Field

Wed 9/16

6:23 pm-10:44 pm

1 stop5h 21m

$279

ChicagoChattanooga

MDW - CHA

MDWCHA

Chicago Midway

Fri 8/21

6:05 am-12:26 pm

1 stop5h 21m

Chattanooga Lovell Field

Sun 8/23

6:50 pm-10:36 pm

1 stop4h 46m

$279

ChicagoChattanooga

MDW - CHA

MDWCHA

Chicago Midway

Thu 9/24

6:05 am-11:23 am

1 stop4h 18m

Chattanooga Lovell Field

Sun 9/27

3:08 pm-6:33 pm

1 stop4h 25m

$279

ChicagoChattanooga

MDW - CHA

MDWCHA

Chicago Midway

Fri 9/11

5:03 pm-10:09 pm

1 stop4h 06m

Chattanooga Lovell Field

Sun 9/13

6:00 am-9:07 am

1 stop4h 07m

$279

ChicagoChattanooga

ORD - CHA

ORDCHA

Chicago O'Hare Intl

Fri 9/11

8:05 am-1:47 pm

1 stop4h 42m

Chattanooga Lovell Field

Fri 9/18

6:23 pm-11:59 pm

1 stop6h 36m

$279

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/26

Showing 1-10 of 55 resultsSorted by cheapest first
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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, January is the cheapest month in which you can book a flight from Illinois to Chattanooga (average of $241). Flying from Illinois to Chattanooga in May is currently the most expensive (average of $347). 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 July 30, 2026.

It’s optimal to fly from Illinois to Chattanooga in the evening. By choosing this option you can save up to 18% on the cost of your flight, compared to a flight at noon.

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 July 30, 2026.

The most flights from USIL to CHA are scheduled on a Wednesday (6 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (4 on average).

How far ahead should I book a flight from Illinois to Chattanooga?

The price you pay for your flight from Illinois to Chattanooga may vary depending on when you book. For the best chance of a lower fare, look to book 55 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 July 25, 2026.

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

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 $259, United Airlines can have you in Chattanooga from Illinois in 1h 52m. 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 (70%), American Airlines (63%) or Envoy Air (61%) 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 $311 for a flight from Illinois to Chattanooga. The cheapest flight overall is $159 while the most popular route, (Chicago O'Hare Intl - Chattanooga Lovell Field) is currently priced at $259.

  • 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, January is the cheapest month in which you can book a flight from Illinois to Chattanooga (average of $241). Flying from Illinois to Chattanooga in May is currently the most expensive (average of $347). 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?

Book flights to Chattanooga if you plan to visit one of these locations
Trenton

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Alternative routes for Illinois to Chattanooga

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Top 2 airlines flying from Illinois to Chattanooga

Discover the top 2 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 July 30, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$189Average$313FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$194Average$299FlexibilityNo cancel feeOn-time71%

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