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$129+ 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 2/24. Fares are subject to change and may not be available on all flights or dates of travel.
CHA — ORD
Jan 21 — Jan 281
Tue 1/21
Tue 1/28
1 adult, Economy
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Cheap flight deals from Chattanooga to Illinois

Discover tips and strategies to find the most affordable flight options for your journey from Chattanooga (CHA) to Illinois (USIL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 16, 2025.

Round-trip from

$189
(United Airlines)

One-way from

$129
(American Airlines)
From Chattanooga Lovell Field to Illinois
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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 January 16, 2025.

This United Airlines deal was found by Cheapflights users on 1/16. 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 2/76:45 amCHA - ORD
Nonstop2h 06mUnited Airlines
Mon 2/108:45 amORD - CHA
Nonstop1h 57mUnited Airlines
Deal found 1/16$189
This American Airlines deal was found by Cheapflights users on 1/16. 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 2/195:00 amCHA - PIA
1 stop6h 49mAmerican Airlines
Sat 2/225:00 amPIA - CHA
1 stop4h 30mAmerican Airlines
Deal found 1/16$199
This Delta deal was found by Cheapflights users on 1/16. 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 2/215:53 pmCHA - MDW
1 stop5h 27mDelta
Sun 2/236:00 amMDW - CHA
1 stop4h 20mDelta
Deal found 1/16$209
This Delta deal was found by Cheapflights users on 1/16. 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 2/75:53 pmCHA - ORD
1 stop6h 56mDelta
Mon 2/102:55 pmORD - CHA
1 stop5h 06mDelta
Deal found 1/16$209
This United Airlines deal was found by Cheapflights users on 1/16. 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 2/1212:17 pmCHA - STL
1 stop4h 21mUnited Airlines
Sun 2/166:30 amSTL - CHA
1 stop4h 01mUnited Airlines
Deal found 1/16$214
This American Airlines deal was found by Cheapflights users on 1/16. 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 2/125:00 amCHA - STL
2 stops7h 23mAmerican Airlines
Sun 2/165:05 amSTL - CHA
1 stop4h 25mAmerican Airlines
Deal found 1/16$219
This Mytrip deal was found by Cheapflights users on 1/16. 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.
Thu 5/88:43 amCHA - ORD
1 stop14h 46mMultiple Airlines
Sat 5/104:23 pmORD - CHA
1 stop14h 30mMultiple Airlines
Deal found 1/16$264
This American Airlines deal was found by Cheapflights users on 1/15. 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 1/235:00 amCHA - ORD
1 stop6h 38mAmerican Airlines
Mon 1/2711:40 amORD - CHA
1 stop6h 28mAmerican Airlines
Deal found 1/15$269
This United Airlines deal was found by Cheapflights users on 1/15. 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 1/306:45 amCHA - MLI
1 stop4h 33mUnited Airlines
Mon 2/33:59 pmMLI - CHA
1 stop5h 45mUnited Airlines
Deal found 1/15$329
This Delta deal was found by Cheapflights users on 1/15. 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 5/151:30 pmCHA - STL
1 stop5h 31mDelta
Sun 5/186:00 amSTL - CHA
1 stop6h 05mDelta
Deal found 1/15$429
This American Airlines deal was found by Cheapflights users on 1/15. 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 10/22:38 pmCHA - MLI
1 stop6h 59mAmerican Airlines
Sun 10/57:15 amMLI - CHA
1 stop6h 12mAmerican Airlines
Deal found 1/15$609

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 January 16, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

ChattanoogaChicago

CHA - ORD

CHAORD

Chattanooga Lovell Field

Fri 2/7

6:45 am-7:51 am

Nonstop2h 06m

Chicago O'Hare Intl

Mon 2/10

8:45 am-11:42 am

Nonstop1h 57m

$189

ChattanoogaPeoria

CHA - PIA

CHAPIA

Chattanooga Lovell Field

Wed 2/19

5:00 am-10:49 am

1 stop6h 49m

Greater Peoria

Sat 2/22

5:00 am-10:30 am

1 stop4h 30m

$199

ChattanoogaChicago

CHA - MDW

CHAMDW

Chattanooga Lovell Field

Fri 2/21

5:53 pm-10:20 pm

1 stop5h 27m

Chicago Midway

Sun 2/23

6:00 am-11:20 am

1 stop4h 20m

$209

ChattanoogaChicago

CHA - ORD

CHAORD

Chattanooga Lovell Field

Fri 2/7

5:53 pm-11:49 pm

1 stop6h 56m

Chicago O'Hare Intl

Mon 2/10

2:55 pm-9:01 pm

1 stop5h 06m

$209

ChattanoogaSt. Louis

CHA - STL

CHASTL

Chattanooga Lovell Field

Wed 2/12

12:17 pm-3:38 pm

1 stop4h 21m

Lambert-St Louis

Sun 2/16

6:30 am-11:31 am

1 stop4h 01m

$214

ChattanoogaSt. Louis

CHA - STL

CHASTL

Chattanooga Lovell Field

Wed 2/12

5:00 am-11:23 am

2 stops7h 23m

Lambert-St Louis

Sun 2/16

5:05 am-10:30 am

1 stop4h 25m

$219

ChattanoogaChicago

CHA - ORD

CHAORD

Chattanooga Lovell Field

Thu 5/8

8:43 am-10:29 pm

1 stop14h 46m

Chicago O'Hare Intl

Sat 5/10

4:23 pm-7:53 am

1 stop14h 30m

$264

ChattanoogaMoline

CHA - MLI

CHAMLI

Chattanooga Lovell Field

Thu 1/30

6:45 am-10:18 am

1 stop4h 33m

Moline Quad-City

Mon 2/3

3:59 pm-10:44 pm

1 stop5h 45m

$329

ChattanoogaChicago

CHA - ORD

CHAORD

Chattanooga Lovell Field

Tue 2/11

6:26 am-11:12 am

1 stop5h 46m

Chicago O'Hare Intl

Tue 2/11

4:30 pm-10:25 pm

1 stop4h 55m

$357

ChattanoogaSt. Louis

CHA - STL

CHASTL

Chattanooga Lovell Field

Thu 5/15

1:30 pm-6:01 pm

1 stop5h 31m

Lambert-St Louis

Sun 5/18

6:00 am-1:05 pm

1 stop6h 05m

$429

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/16

Showing 1-10 of 17 results
1
2

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 $320). 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 January 16, 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.

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 January 16, 2025.
Peruse reviews from past customers who have flown with United Airlines, Delta and American Airlines 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
8,511 reviews

Comfort

8.0

Crew

8.6

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

Reviews

1 / 10

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

Delta
8.0
Very good
8,511 reviews
Delta
8.0
Very good
8,511 reviews

Comfort

8.0

Crew

8.6

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

Reviews

1 / 10

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

United Airlines
7.4
Good
8,965 reviews
Delta
8.0
Very good
8,511 reviews

Comfort

8.0

Crew

8.6

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

Reviews

1 / 10

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

Allegiant Air
7.4
Good
801 reviews
Delta
8.0
Very good
8,511 reviews

Comfort

8.0

Crew

8.6

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

Reviews

1 / 10

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
8,511 reviews

Comfort

8.0

Crew

8.6

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

Reviews

1 / 10

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 $129 on American Airlines. Other airlines that offer cheap prices include Allegiant Air from $138 and Delta from $224 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 Republic Airways (80%), United Airlines (71%) or SkyWest Airlines (61%) 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 $227. On average you can expect to pay $798. 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 $245). Flying from Chattanooga to Illinois in March is currently the most expensive (average of $320). 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 January 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$168Average$309FlexibilityNo cancel feeOn-time69%
DeltaCheapest$178Average$282FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$186Average$567FlexibilityNo cancel feeOn-time71%
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