Illinois

$186+ 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 12/8. Fares are subject to change and may not be available on all flights or dates of travel.
CHA — ORD
Nov 26 — Dec 31
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Chattanooga to Illinois with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 November 21, 2024.

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 November 21, 2024.

This United Airlines deal was found by Cheapflights users on 11/19. 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.
Thu 12/512:12 pmCHA - ORD
Nonstop2h 06mUnited Airlines
Sun 12/88:45 amORD - CHA
Nonstop1h 46mUnited Airlines
Deal found 11/19$199
This Delta deal was found by Cheapflights users on 11/20. 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.
Wed 12/1111:05 amCHA - ORD
1 stop6h 25mDelta
Sun 12/155:40 amORD - CHA
1 stop3h 40mDelta
Deal found 11/20$208
This American Airlines deal was found by Cheapflights users on 11/20. 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.
Sat 12/75:00 amCHA - ORD
1 stop6h 31mAmerican Airlines
Sat 12/71:54 pmORD - CHA
1 stop7h 30mAmerican Airlines
Deal found 11/20$223
This American Airlines deal was found by Cheapflights users on 11/19. 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.
Fri 12/1311:56 amCHA - STL
1 stop5h 38mAmerican Airlines
Sun 12/155:05 amSTL - CHA
1 stop5h 17mAmerican Airlines
Deal found 11/19$228
This Delta deal was found by Cheapflights users on 11/20. 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.
Thu 12/54:26 pmCHA - STL
1 stop5h 37mDelta
Mon 12/97:15 amSTL - CHA
1 stop4h 28mDelta
Deal found 11/20$238
This Delta deal was found by Cheapflights users on 11/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2711:19 amCHA - MDW
1 stop6h 43mDelta
Thu 11/283:19 pmMDW - CHA
1 stop5h 31mDelta
Deal found 11/19$258
This United Airlines deal was found by Cheapflights users on 11/20. 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.
Fri 11/226:45 amCHA - STL
1 stop4h 42mUnited Airlines
Sun 11/246:30 amSTL - CHA
1 stop4h 03mUnited Airlines
Deal found 11/20$288
This American Airlines deal was found by Cheapflights users on 11/20. 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.
Thu 12/128:20 pmCHA - PIA
1 stop4h 30mAmerican Airlines
Sun 12/154:25 pmPIA - CHA
1 stop6h 20mAmerican Airlines
Deal found 11/20$318
This Mytrip deal was found by Cheapflights users on 11/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/306:40 pmCHA - ORD
2 stops22h 26mMultiple Airlines
Wed 1/17:53 pmORD - CHA
1 stop10h 51mMultiple Airlines
Deal found 11/20$443
This American Airlines deal was found by Cheapflights users on 11/20. 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.
Fri 12/276:07 pmCHA - MLI
1 stop4h 49mAmerican Airlines
Tue 12/316:12 amMLI - CHA
1 stop6h 38mAmerican Airlines
Deal found 11/20$448
This United deal was found by Cheapflights users on 11/20. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/212:12 pmCHA - MLI
1 stop23h 10mUnited Airlines
Fri 12/65:46 pmMLI - CHA
1 stop26h 15mUnited Airlines
Deal found 11/20$522
This Mytrip deal was found by Cheapflights users on 11/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/275:22 pmCHA - MDW
3 stops18h 15mWestJet
Sun 12/12:17 pmMDW - CHA
3 stops24h 29mWestJet
Deal found 11/20$1,934

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 2,629,791 searches. Data last updated November 21, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

ChattanoogaChicago

CHA - ORD

CHAORD

Chattanooga Lovell Field

Fri 1/10

5:49 pm-6:48 pm

Nonstop1h 59m

Chicago O'Hare Intl

Mon 1/13

7:54 pm-10:44 pm

Nonstop1h 50m

$194

ChattanoogaChicago

CHA - ORD

CHAORD

Chattanooga Lovell Field

Sat 2/22

12:55 pm-4:13 pm

1 stop4h 18m

Chicago O'Hare Intl

Tue 2/25

5:45 am-11:20 am

1 stop4h 35m

$208

ChattanoogaChicago

CHA - MDW

CHAMDW

Chattanooga Lovell Field

Fri 1/10

12:05 pm-4:21 pm

1 stop5h 16m

Chicago Midway

Mon 1/13

6:00 am-11:20 am

1 stop4h 20m

$218

ChattanoogaChicago

CHA - ORD

CHAORD

Chattanooga Lovell Field

Sat 12/7

5:00 am-10:31 am

1 stop6h 31m

Chicago O'Hare Intl

Sat 12/7

1:54 pm-10:24 pm

1 stop7h 30m

$223

ChattanoogaSt. Louis

CHA - STL

CHASTL

Chattanooga Lovell Field

Fri 12/13

11:56 am-4:34 pm

1 stop5h 38m

Lambert-St Louis

Sun 12/15

5:05 am-11:22 am

1 stop5h 17m

$228

ChattanoogaSt. Louis

CHA - STL

CHASTL

Chattanooga Lovell Field

Thu 12/5

4:26 pm-9:03 pm

1 stop5h 37m

Lambert-St Louis

Mon 12/9

7:15 am-12:43 pm

1 stop4h 28m

$238

ChattanoogaChicago

CHA - ORD

CHAORD

Chattanooga Lovell Field

Mon 12/9

4:07 pm-9:37 am

2 stops18h 30m

Chicago O'Hare Intl

Wed 12/11

9:10 pm-1:19 pm

1 stop15h 09m

$298

ChattanoogaPeoria

CHA - PIA

CHAPIA

Chattanooga Lovell Field

Thu 12/12

8:20 pm-11:50 pm

1 stop4h 30m

Greater Peoria

Sun 12/15

4:25 pm-11:45 pm

1 stop6h 20m

$318

ChattanoogaMoline

CHA - MLI

CHAMLI

Chattanooga Lovell Field

Fri 12/27

6:07 pm-9:56 pm

1 stop4h 49m

Moline Quad-City

Tue 12/31

6:12 am-1:50 pm

1 stop6h 38m

$448

ChattanoogaMoline

CHA - MLI

CHAMLI

Chattanooga Lovell Field

Mon 12/2

12:12 pm-10:22 am

1 stop23h 10m

Moline Quad-City

Fri 12/6

5:46 pm-9:01 pm

1 stop26h 15m

$522

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/20

Showing 1-10 of 19 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, September is the cheapest month in which you can book a flight from Chattanooga to Illinois (average of $232). Flying from Chattanooga to Illinois in June is currently the most expensive (average of $308). 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 November 21, 2024.

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 November 21, 2024.

The most flights from CHA to USIL are scheduled on a Monday (3 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (1 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 November 21, 2024.
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.
8.0
Very good
8,759 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Entertainment

7.9

Food

7.3

Reviews

1 / 10

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

8.0
Very good
8,759 reviews
8.0
Very good
8,759 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Entertainment

7.9

Food

7.3

Reviews

1 / 10

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

7.4
Good
9,173 reviews
8.0
Very good
8,759 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Entertainment

7.9

Food

7.3

Reviews

1 / 10

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

7.3
Good
2,810 reviews
8.0
Very good
8,759 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Entertainment

7.9

Food

7.3

Reviews

1 / 10

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

7.2
Good
10,000 reviews
8.0
Very good
8,759 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Entertainment

7.9

Food

7.3

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 $186 on American Airlines. Other airlines that offer cheap prices include Delta from $228 and United Airlines from $234 one-way.

  • What are the most popular routes from Chattanooga to Illinois?

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

    Consider SkyWest Airlines (85%), United Airlines (84%) or Republic Airways (84%) 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 $178. On average you can expect to pay $523. The most popular route, (Chattanooga Lovell Field - Chicago O'Hare Intl), can usually be booked for $194.

  • 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, September is the cheapest month in which you can book a flight from Chattanooga to Illinois (average of $232). Flying from Chattanooga to Illinois in June is currently the most expensive (average of $308). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Chattanooga to Illinois

See prices for flight routes from nearby airports that may be better suited for you.

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 2,629,791 searches. Data last updated November 21, 2024.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$168Average$307FlexibilityNo cancel feeOn-time69%
DeltaCheapest$178Average$293FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$186Average$613FlexibilityNo cancel feeOn-time71%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.