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$129+ 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 11/29. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — CHA
Nov 27 — Dec 41
Thu 11/27
Thu 12/4
1 adult, Economy
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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 October 28, 2025.

This United Airlines deal was found by Cheapflights users on 10/26. 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.
Mon 11/248:06 pmORD - CHA
Nonstop1h 53mUnited Airlines
Fri 11/2812:10 pmCHA - ORD
Nonstop2h 04mUnited Airlines
Deal found 10/26$189
This American Airlines deal was found by Cheapflights users on 10/28. 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.
Thu 11/203:06 pmORD - CHA
Nonstop1h 48mAmerican Airlines
Sun 11/236:24 pmCHA - ORD
Nonstop2h 16mAmerican Airlines
Deal found 10/28$190
This United Airlines deal was found by Cheapflights users on 10/25. 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.
Thu 11/138:06 pmORD - CHA
Nonstop1h 53mUnited Airlines
Sat 11/155:20 pmCHA - ORD
Nonstop2h 21mUnited Airlines
Deal found 10/25$194
This Delta deal was found by Cheapflights users on 10/26. 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 11/196:00 amMDW - CHA
1 stop5h 52mDelta
Sat 11/227:25 amCHA - MDW
1 stop6h 21mDelta
Deal found 10/26$209
This Delta deal was found by Cheapflights users on 10/26. 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 11/196:45 amORD - CHA
1 stop5h 07mDelta
Sat 11/226:21 pmCHA - ORD
1 stop5h 09mDelta
Deal found 10/26$209
This Delta deal was found by Cheapflights users on 10/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/156:00 amMDW - CHA
1 stop5h 52mDelta
Sun 11/237:25 amCHA - MDW
1 stop6h 09mDelta
Deal found 10/28$214
This Delta deal was found by Cheapflights users on 10/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/155:23 amORD - CHA
1 stop6h 29mDelta
Sun 11/236:21 pmCHA - ORD
1 stop6h 41mDelta
Deal found 10/28$214
This United Airlines deal was found by Cheapflights users on 10/26. 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.
Fri 11/218:06 pmORD - CHA
Nonstop1h 53mUnited Airlines
Sun 11/235:20 pmCHA - ORD
Nonstop2h 21mUnited Airlines
Deal found 10/26$223
This American Airlines deal was found by Cheapflights users on 10/27. 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 11/68:27 pmORD - CHA
Nonstop1h 55mAmerican Airlines
Mon 11/106:34 pmCHA - ORD
Nonstop2h 16mAmerican Airlines
Deal found 10/27$229
This American Airlines deal was found by Cheapflights users on 10/26. 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 12/118:30 pmORD - CHA
Nonstop1h 58mAmerican Airlines
Sun 12/146:36 amCHA - ORD
1 stop5h 27mAmerican Airlines
Deal found 10/26$233
This United Airlines deal was found by Cheapflights users on 10/26. 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.
Tue 11/1110:00 amSTL - CHA
1 stop5h 45mUnited Airlines
Tue 11/1812:10 pmCHA - STL
1 stop4h 37mUnited Airlines
Deal found 10/26$234
This American Airlines deal was found by Cheapflights users on 10/27. 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.
Sun 11/233:06 pmORD - CHA
Nonstop1h 48mAmerican Airlines
Fri 11/286:00 amCHA - ORD
1 stop5h 58mAmerican Airlines
Deal found 10/27$234

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 October 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$189
(United Airlines)

One-way from

$129
(United Airlines)

Popular in

March

Cheapest in

November

Average price

$334

Good round-trip deal

$249 or less

Good one-way deal

$258 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
Highest demand for flights based on searches. 6% potential increase in price ($26 potential increase over avg. RT price).
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 October 2025
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 October 28, 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 11/25

5:50 pm-8:36 pm

Nonstop1h 46m

Chattanooga Lovell Field

Tue 12/2

5:34 pm-6:55 pm

Nonstop2h 21m

$189

ChicagoChattanooga

ORD - CHA

ORDCHA

Chicago O'Hare Intl

Sat 12/6

8:45 am-11:33 am

Nonstop1h 48m

Chattanooga Lovell Field

Sat 12/13

7:00 am-8:04 am

Nonstop2h 04m

$189

ChicagoChattanooga

ORD - CHA

ORDCHA

Chicago O'Hare Intl

Tue 11/25

1:55 pm-4:45 pm

Nonstop1h 50m

Chattanooga Lovell Field

Fri 11/28

1:58 pm-3:02 pm

Nonstop2h 04m

$189

ChicagoChattanooga

ORD - CHA

ORDCHA

Chicago O'Hare Intl

Thu 11/20

3:06 pm-5:54 pm

Nonstop1h 48m

Chattanooga Lovell Field

Sun 11/23

6:24 pm-7:40 pm

Nonstop2h 16m

$190

ChicagoChattanooga

ORD - CHA

ORDCHA

Chicago O'Hare Intl

Thu 11/13

8:06 pm-10:59 pm

Nonstop1h 53m

Chattanooga Lovell Field

Sat 11/15

5:20 pm-6:41 pm

Nonstop2h 21m

$194

ChicagoChattanooga

MDW - CHA

MDWCHA

Chicago Midway

Thu 11/20

6:00 am-12:52 pm

1 stop5h 52m

Chattanooga Lovell Field

Sun 11/23

6:21 pm-11:40 pm

1 stop6h 19m

$209

ChicagoChattanooga

MDW - CHA

MDWCHA

Chicago Midway

Thu 12/11

10:49 am-3:21 pm

1 stop3h 32m

Chattanooga Lovell Field

Sun 12/14

5:45 am-9:54 am

1 stop5h 09m

$209

ChicagoChattanooga

ORD - CHA

ORDCHA

Chicago O'Hare Intl

Thu 12/11

8:55 am-2:15 pm

1 stop4h 20m

Chattanooga Lovell Field

Sun 12/14

5:45 am-8:42 am

1 stop3h 57m

$209

ChicagoChattanooga

ORD - CHA

ORDCHA

Chicago O'Hare Intl

Thu 11/20

5:23 am-10:32 am

1 stop4h 09m

Chattanooga Lovell Field

Sun 11/23

7:25 am-1:55 pm

1 stop7h 30m

$209

ChicagoChattanooga

ORD - CHA

ORDCHA

Chicago O'Hare Intl

Wed 11/19

1:29 pm-7:56 pm

1 stop5h 27m

Chattanooga Lovell Field

Sat 11/22

2:58 pm-6:52 pm

1 stop4h 54m

$209

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Showing 1-10 of 58 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 $188). 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 October 28, 2025.

It’s optimal to fly from Illinois to Chattanooga in the evening. By choosing this option you can save up to 25% on the cost of your flight, compared to a flight in the afternoon.

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 December 16, 2024.

Travelers seeking maximum savings on their Illinois to Chattanooga flight should consider departing on Monday mornings when fares are most often at their lowest. Sunday evenings 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 October 28, 2025.

The most flights from USIL to CHA are scheduled on a Monday (8 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (5 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, United Airlines can have you in Chattanooga from Illinois in 1h 46m. Illinois and Chattanooga are separated by a distance of 501 mi. This flight may include one or multiple stops.

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

    $176 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on Allegiant Air and Delta, with prices starting from $216 and $224, respectively.

  • 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 SkyWest Airlines (84%), Emirates (75%) or United Airlines (72%) 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 $269 for a flight from Illinois to Chattanooga. The cheapest flight overall is $103 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 $188). 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 October 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$193Average$312FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$194Average$354FlexibilityNo cancel feeOn-time69%
DeltaCheapest$208Average$263FlexibilityNo cancel feeOn-timeN/A

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