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$112+ 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 1/25. Fares are subject to change and may not be available on all flights or dates of travel.
CHA — ORD
Nov 27 — Dec 41
Thu 11/27
Thu 12/4
1 adult, Economy
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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 October 28, 2025.

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 12/47:36 amCHA - ORD
Nonstop2h 06mAmerican Airlines
Mon 12/88:30 pmORD - CHA
Nonstop1h 58mAmerican Airlines
Deal found 10/27$189
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.
Thu 11/1312:10 pmCHA - ORD
Nonstop2h 04mUnited Airlines
Sun 11/1610:35 amORD - CHA
Nonstop1h 48mUnited Airlines
Deal found 10/26$194
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/147:01 amCHA - ORD
Nonstop2h 04mUnited Airlines
Sat 11/1510:35 amORD - CHA
Nonstop1h 48mUnited Airlines
Deal found 10/27$199
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.
Mon 11/247:25 amCHA - MDW
1 stop6h 09mDelta
Mon 12/16:00 amMDW - CHA
1 stop5h 52mDelta
Deal found 10/28$209
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/266:21 pmCHA - ORD
1 stop6h 41mDelta
Wed 12/39:49 amORD - CHA
1 stop6h 45mDelta
Deal found 10/27$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.
Mon 11/107:44 pmCHA - MDW
1 stop4h 56mDelta
Mon 11/179:34 amMDW - CHA
1 stop3h 44mDelta
Deal found 10/26$214
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.
Mon 11/106:21 pmCHA - ORD
1 stop4h 35mDelta
Tue 11/189:51 amORD - CHA
1 stop3h 39mDelta
Deal found 10/26$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.
Thu 11/136:21 pmCHA - MDW
1 stop6h 19mDelta
Mon 11/176:00 amMDW - CHA
1 stop5h 52mDelta
Deal found 10/28$219
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.
Thu 11/133:10 pmCHA - ORD
1 stop4h 16mDelta
Mon 11/175:23 amORD - CHA
1 stop6h 29mDelta
Deal found 10/28$219
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/2512:10 pmCHA - ORD
Nonstop2h 04mUnited Airlines
Sat 11/298:06 pmORD - CHA
Nonstop1h 53mUnited Airlines
Deal found 10/27$223
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/146:21 pmCHA - MDW
1 stop6h 19mDelta
Tue 11/186:00 amMDW - CHA
1 stop5h 52mDelta
Deal found 10/27$224
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/143:10 pmCHA - ORD
1 stop6h 19mDelta
Tue 11/189:51 amORD - CHA
1 stop3h 39mDelta
Deal found 10/27$224

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 October 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$189
(American Airlines)

One-way from

$112
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$285

Good round-trip deal

$267 or less

Good one-way deal

$243 or less
Provider with most accurate pricing for Chattanooga Lovell Field-Chicago (CHI) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chattanooga Lovell Field-Chicago (CHI) flights.
Search Deals
From Chattanooga Lovell Field to Illinois
Search Deals
One-way flight from Chattanooga Lovell Field to Illinois
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($14 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($6 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 Chattanooga Lovell Field to Illinois.
Search Deals
Price to beat on a one-way flight from Chattanooga Lovell Field to Illinois.
Search Deals

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 October 28, 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

Fri 11/14

7:01 am-8:05 am

Nonstop2h 04m

Chicago O'Hare Intl

Sat 11/15

10:35 am-1:23 pm

Nonstop1h 48m

$199

ChattanoogaChicago

CHA - MDW

CHAMDW

Chattanooga Lovell Field

Tue 12/9

1:33 pm-4:34 pm

1 stop4h 01m

Chicago Midway

Sat 12/13

9:29 am-2:11 pm

1 stop3h 42m

$209

ChattanoogaChicago

CHA - MDW

CHAMDW

Chattanooga Lovell Field

Tue 11/25

3:10 pm-6:08 pm

1 stop3h 58m

Chicago Midway

Thu 12/4

9:34 am-2:15 pm

1 stop3h 41m

$209

ChattanoogaChicago

CHA - MDW

CHAMDW

Chattanooga Lovell Field

Sat 2/21

11:40 am-3:25 pm

1 stop4h 45m

Chicago Midway

Tue 2/24

9:30 am-2:39 pm

1 stop4h 09m

$209

ChattanoogaChicago

CHA - MDW

CHAMDW

Chattanooga Lovell Field

Mon 11/24

5:50 am-9:52 am

1 stop5h 02m

Chicago Midway

Thu 11/27

10:47 am-3:29 pm

1 stop3h 42m

$209

ChattanoogaChicago

CHA - MDW

CHAMDW

Chattanooga Lovell Field

Sat 12/13

7:25 am-12:34 pm

1 stop6h 09m

Chicago Midway

Tue 12/16

10:49 am-3:21 pm

1 stop3h 32m

$209

ChattanoogaChicago

CHA - MDW

CHAMDW

Chattanooga Lovell Field

Fri 12/12

7:44 pm-11:47 pm

1 stop5h 03m

Chicago Midway

Sun 12/14

5:13 pm-11:26 pm

1 stop5h 13m

$209

ChattanoogaChicago

CHA - MDW

CHAMDW

Chattanooga Lovell Field

Tue 11/25

5:50 am-9:52 am

1 stop5h 02m

Chicago Midway

Thu 11/27

10:47 am-3:29 pm

1 stop3h 42m

$209

ChattanoogaChicago

CHA - MDW

CHAMDW

Chattanooga Lovell Field

Mon 11/24

7:25 am-12:34 pm

1 stop6h 09m

Chicago Midway

Tue 12/2

9:34 am-2:15 pm

1 stop3h 41m

$209

ChattanoogaChicago

CHA - MDW

CHAMDW

Chattanooga Lovell Field

Fri 12/12

6:56 am-9:54 am

1 stop3h 58m

Chicago Midway

Mon 12/15

10:49 am-3:21 pm

1 stop3h 32m

$209

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Showing 1-10 of 56 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 $60). Flying from Chattanooga to Illinois in February is currently the most expensive (average of $189). 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 October 28, 2025.

When flying from Chattanooga to Illinois, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 8% versus a flight in the afternoon.

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

Use this chart to determine the cheapest time to fly round-trip from Chattanooga to Illinois. Price data was last updated on December 16, 2024.

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

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 October 28, 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
7.9
Good
7,994 reviews

Boarding

8.2

Crew

8.5

Overall

7.9

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,994 reviews
Delta
7.9
Good
7,994 reviews

Boarding

8.2

Crew

8.5

Overall

7.9

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
United Airlines
7.4
Good
9,001 reviews
Delta
7.9
Good
7,994 reviews

Boarding

8.2

Crew

8.5

Overall

7.9

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
American Airlines
7.2
Good
11,032 reviews
Delta
7.9
Good
7,994 reviews

Boarding

8.2

Crew

8.5

Overall

7.9

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

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 Allegiant Air fly from Chattanooga to Illinois in about 2h 04m. The time it takes to get you to your destination can typically vary by up to 5h 23m. 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 $176 on Delta. Other airlines that offer cheap prices include American Airlines from $181 and Allegiant Air from $220 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 - Lambert-St Louis.

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

    Consider SkyWest Airlines (85%), American Airlines (79%) or Republic Airways (79%) 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 $138. On average you can expect to pay $411. 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 $60). Flying from Chattanooga to Illinois in February is currently the most expensive (average of $189). 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 October 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$189Average$371FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$189Average$365FlexibilityNo cancel feeOn-time69%
DeltaCheapest$208Average$292FlexibilityNo cancel feeOn-timeN/A

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