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Chattanooga

$138+ 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 7/16. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — CHA
Jun 21 — Jun 281
Sat 6/21
Sat 6/28
1 adult, Economy
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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 June 16, 2025.

Round-trip from

$189
(American Airlines)

One-way from

$149
(Mytrip)

Popular in

March

Cheapest in

September

Average price

$344

Good round-trip deal

$337 or less

Good one-way deal

$318 or less
From Illinois to Chattanooga Lovell Field
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One-way flight from Illinois to Chattanooga Lovell Field
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Highest demand for flights based on searches. 14% potential increase in price ($58 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Price to beat on a round-trip flight from Illinois to Chattanooga Lovell Field.
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Price to beat on a one-way flight from Illinois to Chattanooga Lovell Field.
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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 June 16, 2025.

This American Airlines deal was found by Cheapflights users on 6/14. 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 11/41:54 pmORD - CHA
Nonstop1h 36mAmerican Airlines
Sat 11/87:25 amCHA - ORD
Nonstop2h 00mAmerican Airlines
Deal found 6/14$189
This United Airlines deal was found by Cheapflights users on 6/14. 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 6/288:14 pmORD - CHA
Nonstop1h 45mUnited Airlines
Sat 7/51:58 pmCHA - ORD
Nonstop2h 10mUnited Airlines
Deal found 6/14$194
This Delta deal was found by Cheapflights users on 6/15. 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.
Mon 6/305:23 pmSTL - CHA
1 stop5h 34mDelta
Fri 7/46:37 pmCHA - STL
1 stop5h 59mDelta
Deal found 6/15$199
This Delta deal was found by Cheapflights users on 6/14. 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.
Tue 7/295:05 pmMDW - CHA
1 stop5h 18mDelta
Tue 8/53:09 pmCHA - MDW
1 stop4h 31mDelta
Deal found 6/14$209
This Delta deal was found by Cheapflights users on 6/14. 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 8/12:00 pmORD - CHA
1 stop6h 48mDelta
Mon 8/48:35 pmCHA - ORD
1 stop4h 34mDelta
Deal found 6/14$209
This American Airlines deal was found by Cheapflights users on 6/14. 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 8/74:15 pmPIA - CHA
1 stop5h 06mAmerican Airlines
Wed 8/136:41 pmCHA - PIA
1 stop5h 35mAmerican Airlines
Deal found 6/14$229
This Mytrip deal was found by Cheapflights users on 6/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/134:36 pmORD - CHA
1 stop20h 56mMultiple Airlines
Sun 7/202:31 pmCHA - ORD
1 stop16h 32mMultiple Airlines
Deal found 6/15$235
This Mytrip deal was found by Cheapflights users on 6/14. 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.
Wed 7/910:00 amORD - CHA
2 stops29h 03mSpirit Airlines
Sat 7/129:51 amCHA - ORD
1 stop25h 15mSpirit Airlines
Deal found 6/14$238
This American Airlines deal was found by Cheapflights users on 6/15. 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.
Sun 8/316:02 amSTL - CHA
2 stops9h 31mAmerican Airlines
Sat 9/612:51 pmCHA - STL
2 stops8h 41mAmerican Airlines
Deal found 6/15$239
This Mytrip deal was found by Cheapflights users on 6/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/309:50 pmPIA - CHA
2 stops18h 15mMultiple Airlines
Fri 7/48:50 amCHA - PIA
1 stop11h 35mMultiple Airlines
Deal found 6/15$274
This Mytrip deal was found by Cheapflights users on 6/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/66:36 pmSTL - CHA
2 stops21h 37mSpirit Airlines
Fri 7/113:27 pmCHA - STL
1 stop19h 13mSpirit Airlines
Deal found 6/15$288
This Mytrip deal was found by Cheapflights users on 6/14. 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.
Mon 7/2110:47 amSTL - CHA
2 stops26h 06mMultiple Airlines
Thu 7/244:58 pmCHA - STL
2 stops17h 54mMultiple Airlines
Deal found 6/14$303

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 June 16, 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 11/4

1:54 pm-4:30 pm

Nonstop1h 36m

Chattanooga Lovell Field

Sat 11/8

7:25 am-8:25 am

Nonstop2h 00m

$189

ChicagoChattanooga

ORD - CHA

ORDCHA

Chicago O'Hare Intl

Sat 6/28

8:14 pm-10:59 pm

Nonstop1h 45m

Chattanooga Lovell Field

Sat 7/5

1:58 pm-3:08 pm

Nonstop2h 10m

$194

St. LouisChattanooga

STL - CHA

STLCHA

Lambert-St Louis

Mon 6/30

5:23 pm-11:57 pm

1 stop5h 34m

Chattanooga Lovell Field

Fri 7/4

6:37 pm-11:36 pm

1 stop5h 59m

$199

ChicagoChattanooga

MDW - CHA

MDWCHA

Chicago Midway

Tue 7/29

5:05 pm-11:23 pm

1 stop5h 18m

Chattanooga Lovell Field

Tue 8/5

3:09 pm-6:40 pm

1 stop4h 31m

$209

ChicagoChattanooga

ORD - CHA

ORDCHA

Chicago O'Hare Intl

Fri 8/1

2:00 pm-9:48 pm

1 stop6h 48m

Chattanooga Lovell Field

Mon 8/4

8:35 pm-12:09 am

1 stop4h 34m

$209

PeoriaChattanooga

PIA - CHA

PIACHA

Greater Peoria

Thu 8/7

4:15 pm-10:21 pm

1 stop5h 06m

Chattanooga Lovell Field

Wed 8/13

6:41 pm-11:16 pm

1 stop5h 35m

$229

ChicagoChattanooga

ORD - CHA

ORDCHA

Chicago O'Hare Intl

Sun 7/13

4:36 pm-2:32 pm

1 stop20h 56m

Chattanooga Lovell Field

Sun 7/20

2:31 pm-6:03 am

1 stop16h 32m

$235

ChicagoChattanooga

ORD - CHA

ORDCHA

Chicago O'Hare Intl

Wed 7/9

10:00 am-4:03 pm

2 stops29h 03m

Chattanooga Lovell Field

Sat 7/12

9:51 am-10:06 am

1 stop25h 15m

$238

St. LouisChattanooga

STL - CHA

STLCHA

Lambert-St Louis

Sun 8/31

6:02 am-4:33 pm

2 stops9h 31m

Chattanooga Lovell Field

Sat 9/6

12:51 pm-8:32 pm

2 stops8h 41m

$239

PeoriaChattanooga

PIA - CHA

PIACHA

Greater Peoria

Mon 6/30

9:50 pm-5:05 pm

2 stops18h 15m

Chattanooga Lovell Field

Fri 7/4

8:50 am-7:25 pm

1 stop11h 35m

$274

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/16

Showing 1-10 of 23 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, November is the cheapest month in which you can book a flight from Illinois to Chattanooga (average of $323). Flying from Illinois to Chattanooga in October is currently the most expensive (average of $418). 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 June 16, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Chattanooga as you normally would.

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 June 16, 2025.

The most flights from USIL to CHA are scheduled on a Monday (5 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (5 on average).

Rainfall in Chattanooga by month

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

In terms of precipitation, rainfall in Chattanooga ranges from 3.3 - 5.0 inches per month. March is typically the wettest month, when rainfall can reach 5.0 in. October is typically the driest time to visit Chattanooga when rainfall is around 3.3 in.

Temperature in Chattanooga by month

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

If weather is an important factor for your trip to Chattanooga, 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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Chattanooga

Get insights into the airlines that provide service to Chattanooga. 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 Chattanooga. Reviews last updated June 16, 2025.
Get a feel of what it's like to fly with Delta, United Airlines and American Airlines from Illinois to Chattanooga by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,963 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,963 reviews
Delta
8.0
Very good
7,963 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,801 reviews
Delta
8.0
Very good
7,963 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,963 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Spirit Airlines
6.3
Okay
8,061 reviews
Delta
8.0
Very good
7,963 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

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

    $149 is the cheapest one-way deal found within the past few days, from Spirit Airlines. You may also be able to find cheap deals on American Airlines and Delta, with prices starting from $166 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 (81%), GoJet (80%) or United Airlines (73%) 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 $429 for a flight from Illinois to Chattanooga. The cheapest flight overall is $203 while the most popular route, (Chicago O'Hare Intl - Chattanooga Lovell Field) is currently priced at $209.

  • 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, November is the cheapest month in which you can book a flight from Illinois to Chattanooga (average of $323). Flying from Illinois to Chattanooga in October is currently the most expensive (average of $418). 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 Illinois?

Book flights to Illinois if you plan to visit one of these locations
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Alternative routes for Illinois to Chattanooga

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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 June 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$193Average$290FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$193Average$342FlexibilityNo cancel feeOn-time69%
DeltaCheapest$208Average$293FlexibilityNo cancel feeOn-timeN/A

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