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$130+ 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 2/27. Fares are subject to change and may not be available on all flights or dates of travel.
CHA — ORD
feb. 25 — mar. 41
mar. 2/25
mar. 3/4
1 adult, Economy
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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 febrero 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$189
(Delta)

One-way from

$130
(United Airlines)

Popular in

June

Cheapest in

April

Average price

$313

Good round-trip deal

$308 or less

Good one-way deal

$213 or less
Provider with most accurate pricing for Chattanooga Lovell Field-Chicago (CHI) flight deals.
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Provider most trusted by Cheapflights users for Chattanooga Lovell Field-Chicago (CHI) flights.
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From Chattanooga Lovell Field to Illinois
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One-way flight from Chattanooga Lovell Field to Illinois
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Highest demand for flights based on searches. 6% potential increase in price ($23 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Price to beat on a round-trip flight from Chattanooga Lovell Field to Illinois.
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Price to beat on a one-way flight from Chattanooga Lovell Field to Illinois.
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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 febrero 20, 2025.

This Delta deal was found by Cheapflights users on 2/20. 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.
sáb. 10/254:30 pmCHA - ORD
1 stop5h 51mDelta
sáb. 11/88:55 amORD - CHA
1 stop4h 37mDelta
Deal found 2/20$189
This United Airlines deal was found by Cheapflights users on 2/20. 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.
mié. 3/57:00 amCHA - ORD
Nonstop2h 04mUnited Airlines
sáb. 3/89:00 amORD - CHA
Nonstop1h 36mUnited Airlines
Deal found 2/20$200
This American Airlines deal was found by Cheapflights users on 2/20. 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.
vie. 3/148:21 pmCHA - ORD
1 stop4h 51mAmerican Airlines
dom. 3/165:00 amORD - CHA
1 stop5h 32mAmerican Airlines
Deal found 2/20$214
This Delta deal was found by Cheapflights users on 2/20. 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.
mié. 3/57:19 pmCHA - MDW
1 stop4h 01mDelta
sáb. 3/86:00 amMDW - CHA
1 stop6h 24mDelta
Deal found 2/20$219
This Delta deal was found by Cheapflights users on 2/20. 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.
mar. 4/295:37 pmCHA - STL
1 stop4h 02mDelta
sáb. 5/37:10 amSTL - CHA
1 stop6h 23mDelta
Deal found 2/20$229
This American Airlines deal was found by Cheapflights users on 2/20. 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.
mar. 4/2912:00 pmCHA - STL
1 stop5h 36mAmerican Airlines
sáb. 5/33:29 pmSTL - CHA
2 stops7h 29mAmerican Airlines
Deal found 2/20$234
This Delta deal was found by Cheapflights users on 2/20. 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.
sáb. 3/85:53 pmCHA - MLI
1 stop5h 33mDelta
mié. 3/125:50 amMLI - CHA
1 stop4h 03mDelta
Deal found 2/20$254
This American Airlines deal was found by Cheapflights users on 2/19. 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.
sáb. 3/811:08 amCHA - MLI
1 stop5h 42mAmerican Airlines
mié. 3/1212:40 pmMLI - CHA
2 stops10h 19mAmerican Airlines
Deal found 2/19$259
This American Airlines deal was found by Cheapflights users on 2/19. 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.
mié. 2/196:04 pmCHA - PIA
1 stop5h 05mAmerican Airlines
sáb. 2/224:23 pmPIA - CHA
1 stop7h 03mAmerican Airlines
Deal found 2/19$299
This Mytrip deal was found by Cheapflights users on 2/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 3/28:45 amCHA - RFD
1 stop26h 15mAllegiant Air
mié. 3/57:14 pmRFD - CHA
1 stop11h 33mAllegiant Air
Deal found 2/19$345
This American Airlines deal was found by Cheapflights users on 2/20. 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.
mié. 3/55:00 amCHA - CMI
2 stops7h 04mAmerican Airlines
sáb. 3/86:00 amCMI - CHA
2 stops10h 32mAmerican Airlines
Deal found 2/20$441
This United Airlines deal was found by Cheapflights users on 2/19. 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.
vie. 5/2312:10 pmCHA - STL
1 stop4h 20mUnited Airlines
lun. 5/266:30 amSTL - CHA
1 stop4h 05mUnited Airlines
Deal found 2/19$486

Find flights from Chattanooga to Illinois within your budget

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 febrero 20, 2025.

Fly from

Chattanooga

Fly to

Illinois

Route

Depart

Return

Price

ChattanoogaChicago

CHA - ORD

CHAORD

Chattanooga Lovell Field

mié. 3/12

5:35 pm-8:44 pm

1 stop4h 09m

Chicago O'Hare Intl

mar. 3/18

5:45 am-10:53 am

1 stop4h 08m

$189

ChattanoogaChicago

CHA - ORD

CHAORD

Chattanooga Lovell Field

mié. 3/5

7:00 am-8:04 am

Nonstop2h 04m

Chicago O'Hare Intl

sáb. 3/8

9:00 am-11:36 am

Nonstop1h 36m

$200

ChattanoogaChicago

CHA - ORD

CHAORD

Chattanooga Lovell Field

vie. 3/14

8:21 pm-12:12 am

1 stop4h 51m

Chicago O'Hare Intl

dom. 3/16

7:00 am-2:27 pm

1 stop6h 27m

$214

ChattanoogaChicago

CHA - MDW

CHAMDW

Chattanooga Lovell Field

mié. 3/5

7:19 pm-10:20 pm

1 stop4h 01m

Chicago Midway

sáb. 3/8

6:00 am-1:24 pm

1 stop6h 24m

$219

ChattanoogaSt. Louis

CHA - STL

CHASTL

Chattanooga Lovell Field

mar. 4/29

5:37 pm-8:39 pm

1 stop4h 02m

Lambert-St Louis

sáb. 5/3

7:10 am-2:33 pm

1 stop6h 23m

$229

ChattanoogaSt. Louis

CHA - STL

CHASTL

Chattanooga Lovell Field

mar. 4/29

12:00 pm-4:36 pm

1 stop5h 36m

Lambert-St Louis

sáb. 5/3

3:29 pm-11:58 pm

2 stops7h 29m

$234

ChattanoogaMoline

CHA - MLI

CHAMLI

Chattanooga Lovell Field

sáb. 3/8

5:53 pm-10:26 pm

1 stop5h 33m

Moline Quad-City

mié. 3/12

5:50 am-10:53 am

1 stop4h 03m

$254

ChattanoogaMoline

CHA - MLI

CHAMLI

Chattanooga Lovell Field

sáb. 3/8

11:08 am-3:50 pm

1 stop5h 42m

Moline Quad-City

mié. 3/12

12:40 pm-11:59 pm

2 stops10h 19m

$259

ChattanoogaChicago

CHA - ORD

CHAORD

Chattanooga Lovell Field

vie. 3/7

5:40 pm-6:44 am

3 stops38h 04m

Chicago O'Hare Intl

dom. 3/9

7:42 pm-4:50 pm

2 stops20h 08m

$295

ChattanoogaChicago

CHA - RFD

CHARFD

Chattanooga Lovell Field

dom. 3/2

8:45 am-10:00 am

1 stop26h 15m

Chicago Greater Rockford

mié. 3/5

7:14 pm-7:47 am

1 stop11h 33m

$345

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 25 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.

Travel insights for flights from Chattanooga to Illinois

Get recent, data-driven insights about flights from Chattanooga to Illinois including ideal travel times, pricing trends, and more.

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 $245). Flying from Chattanooga to Illinois in March is currently the most expensive (average of $321). 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 febrero 20, 2025.

When flying from Chattanooga to Illinois, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Chattanooga to Illinois

Explore weekly flight availability from Chattanooga to Illinois. 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 febrero 20, 2025.

The most flights from CHA to USIL are scheduled on a Monday (3 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (2 on average).

Rainfall in Illinois by month

Plan your trip to Illinois by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Illinois ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Illinois when rainfall is around 1.7 in.

Temperature in Illinois by month

Plan your trip to Illinois by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Illinois, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

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 febrero 20, 2025.
Peruse reviews from past customers who have flown with Delta, United Airlines and Allegiant Air from Chattanooga to Illinois to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,220 reviews

Crew

8.5

Boarding

8.2

Comfort

8.0

Food

7.3

Overall

8.0

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very good
8,220 reviews
Delta
8.0
Very good
8,220 reviews

Crew

8.5

Boarding

8.2

Comfort

8.0

Food

7.3

Overall

8.0

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines
7.4
Good
8,766 reviews
Delta
8.0
Very good
8,220 reviews

Crew

8.5

Boarding

8.2

Comfort

8.0

Food

7.3

Overall

8.0

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Allegiant Air
7.3
Good
765 reviews
Delta
8.0
Very good
8,220 reviews

Crew

8.5

Boarding

8.2

Comfort

8.0

Food

7.3

Overall

8.0

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
8,220 reviews

Crew

8.5

Boarding

8.2

Comfort

8.0

Food

7.3

Overall

8.0

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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.

  • 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 $130 on United Airlines. Other airlines that offer cheap prices include American Airlines from $176 and Allegiant Air from $229 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 - Moline Quad-City.

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

    Consider Republic Airways (83%), SkyWest Airlines (63%) or United Airlines (60%) 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 $143. On average you can expect to pay $847. The most popular route, (Chattanooga Lovell Field - Chicago O'Hare Intl), can usually be booked for $229.

  • 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 $245). Flying from Chattanooga to Illinois in March is currently the most expensive (average of $321). 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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Alternative routes for Chattanooga to Illinois

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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 febrero 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$168Average$324FlexibilityNo cancel feeOn-time69%
DeltaCheapest$178Average$289FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$188Average$450FlexibilityNo cancel feeOn-time71%
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