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Chattanooga

$93+ 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 8/5. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — CHA
Jul 14 — Jul 211
Tue 7/14
Tue 7/21
1 adult, Economy
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Cheap 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 14, 2026.

This United Airlines deal was found by Cheapflights users on 6/10. 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 6/3010:25 am
ORD
-
CHA
Nonstop1h 51m
United Airlines
Tue 6/307:07 pm
CHA
-
ORD
Nonstop2h 05m
United Airlines
Deal found 6/10$249
This Kiwi.com deal was found by Cheapflights users on 6/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/58:05 am
ORD
-
CHA
1 stop23h 02m
Multiple Airlines
Sun 8/98:57 am
CHA
-
ORD
2 stops24h 05m
Multiple Airlines
Deal found 6/11$258
This American Airlines deal was found by Cheapflights users on 6/13. 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 6/303:09 pm
ORD
-
CHA
Nonstop1h 49m
American Airlines
Fri 7/38:10 pm
CHA
-
ORD
1 stop4h 51m
American Airlines
Deal found 6/13$259
This United Airlines deal was found by Cheapflights users on 6/10. 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 6/266:55 am
ORD
-
CHA
Nonstop1h 49m
United Airlines
Sun 7/56:00 am
CHA
-
ORD
Nonstop1h 59m
United Airlines
Deal found 6/10$264
This American Airlines deal was found by Cheapflights users on 6/13. 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 9/251:39 pm
ORD
-
CHA
Nonstop1h 51m
American Airlines
Mon 9/286:00 am
CHA
-
ORD
Nonstop2h 11m
American Airlines
Deal found 6/13$265
This Delta deal was found by Cheapflights users on 6/11. 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 9/29:24 am
MDW
-
CHA
1 stop3h 53m
Delta
Wed 9/95:30 am
CHA
-
MDW
1 stop5h 20m
Delta
Deal found 6/11$269
This American Airlines deal was found by Cheapflights users on 6/10. 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 6/263:00 pm
ORD
-
CHA
1 stop5h 56m
American Airlines
Sun 7/55:37 am
CHA
-
ORD
Nonstop2h 17m
American Airlines
Deal found 6/10$274
This Delta deal was found by Cheapflights users on 6/9. 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 7/76:00 am
MDW
-
CHA
1 stop5h 22m
Delta
Tue 7/145:35 am
CHA
-
MDW
1 stop5h 30m
Delta
Deal found 6/9$279
This American Airlines deal was found by Cheapflights users on 6/13. 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 6/279:00 pm
ORD
-
CHA
Nonstop1h 50m
American Airlines
Tue 6/306:28 pm
CHA
-
ORD
Nonstop2h 18m
American Airlines
Deal found 6/13$279
This Delta deal was found by Cheapflights users on 6/13. 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.
Sat 6/271:55 pm
ORD
-
CHA
1 stop7h 07m
Delta
Sun 7/55:35 am
CHA
-
ORD
1 stop4h 03m
Delta
Deal found 6/13$284
This Delta deal was found by Cheapflights users on 6/11. 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 7/18:00 am
STL
-
CHA
1 stop3h 23m
Delta
Mon 7/68:30 pm
CHA
-
STL
1 stop4h 26m
Delta
Deal found 6/11$286
This American Airlines deal was found by Cheapflights users on 6/12. 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 8/144:24 pm
PIA
-
CHA
1 stop5h 57m
American Airlines
Mon 8/177:18 pm
CHA
-
PIA
1 stop4h 41m
American Airlines
Deal found 6/12$289

Find 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 14, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$249
(United Airlines)

One-way from

$93
(Kiwi.com)

Popular in

July

Cheapest in

January

Average price

$319

Good round-trip deal

$249 or less

Good one-way deal

$258 or less
Provider with most accurate pricing for Chicago (CHI)-Chattanooga Lovell Field flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Chattanooga Lovell Field flights.
Search Deals
From Illinois to Chattanooga Lovell Field
Search Deals
One-way flight from Illinois to Chattanooga Lovell Field
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($52 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals
Price to beat on a round-trip flight from Illinois to Chattanooga Lovell Field.
Search Deals
Price to beat on a one-way flight from Illinois to Chattanooga Lovell Field.
Search Deals

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 14, 2026.
Use the filters below to find and compare flights from Illinois to Chattanooga that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoChattanooga

ORD - CHA

ORDCHA

Chicago O'Hare Intl

Thu 8/27

9:20 pm-12:10 am

Nonstop1h 50m

Chattanooga Lovell Field

Sat 8/29

6:15 am-7:20 am

Nonstop2h 05m

$249

ChicagoChattanooga

ORD - CHA

ORDCHA

Chicago O'Hare Intl

Thu 7/9

6:55 am-9:44 am

Nonstop1h 49m

Chattanooga Lovell Field

Mon 7/13

7:07 pm-8:12 pm

Nonstop2h 05m

$249
Quickest round-trip

ChicagoChattanooga

ORD - CHA

ORDCHA

Chicago O'Hare Intl

Fri 7/10

6:55 am-9:44 am

Nonstop1h 49m

Chattanooga Lovell Field

Sun 7/12

6:00 am-6:59 am

Nonstop1h 59m

$249

ChicagoChattanooga

ORD - CHA

ORDCHA

Chicago O'Hare Intl

Wed 9/2

8:55 pm-11:45 pm

Nonstop1h 50m

Chattanooga Lovell Field

Wed 9/9

5:15 pm-10:31 pm

1 stop6h 16m

$259

ChicagoChattanooga

ORD - CHA

ORDCHA

Chicago O'Hare Intl

Fri 6/26

6:55 am-9:44 am

Nonstop1h 49m

Chattanooga Lovell Field

Sun 7/5

6:00 am-6:59 am

Nonstop1h 59m

$264

ChicagoChattanooga

MDW - CHA

MDWCHA

Chicago Midway

Tue 6/30

9:17 am-2:14 pm

1 stop3h 57m

Chattanooga Lovell Field

Wed 7/1

3:00 pm-6:31 pm

1 stop4h 31m

$269

ChicagoChattanooga

MDW - CHA

MDWCHA

Chicago Midway

Tue 7/7

6:00 am-12:22 pm

1 stop5h 22m

Chattanooga Lovell Field

Tue 7/14

6:00 am-9:13 am

1 stop4h 13m

$269

ChicagoChattanooga

MDW - CHA

MDWCHA

Chicago Midway

Fri 7/24

9:19 am-2:19 pm

1 stop4h 00m

Chattanooga Lovell Field

Sat 8/1

7:26 am-12:38 pm

1 stop6h 12m

$269

ChicagoChattanooga

MDW - CHA

MDWCHA

Chicago Midway

Fri 7/10

9:19 am-2:19 pm

1 stop4h 00m

Chattanooga Lovell Field

Sun 7/12

6:00 am-9:13 am

1 stop4h 13m

$269

ChicagoChattanooga

MDW - CHA

MDWCHA

Chicago Midway

Wed 8/5

9:24 am-2:17 pm

1 stop3h 53m

Chattanooga Lovell Field

Sun 8/9

6:00 am-9:17 am

1 stop4h 17m

$269

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/13

Showing 1-10 of 60 resultsSorted by cheapest first
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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, February is the cheapest month in which you can book a flight from Illinois to Chattanooga (average of $95). Flying from Illinois to Chattanooga in June is currently the most expensive (average of $219). 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 14, 2026.

It’s optimal to fly from Illinois to Chattanooga in the evening. By choosing this option you can save up to 16% on the cost of your flight, compared to a flight at noon.

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 14, 2026.

The most flights from USIL to CHA are scheduled on a Saturday (8 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (4 on average).

How much does it cost to fly round-trip from Illinois to Chattanooga?

How far ahead should I book a flight from Illinois to Chattanooga?

The price you pay for your flight from Illinois to Chattanooga may vary depending on when you book. For the best chance of a lower fare, look to book 55 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Use this chart to determine the cheapest time to fly round-trip from Illinois to Chattanooga. Price data was last updated on June 13, 2026.

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

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.

  • How long is the flight from Illinois to Chattanooga?

    For as low as $249, United Airlines can have you in Chattanooga from Illinois in 1h 50m. Illinois and Chattanooga are separated by a distance of 501 mi. This flight may include one or multiple stops.

  • 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 American Airlines (81%), Envoy Air (77%) or GoJet (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 $319 for a flight from Illinois to Chattanooga. The cheapest flight overall is $124 while the most popular route, (Chicago O'Hare Intl - Chattanooga Lovell Field) is currently priced at $249.

  • 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, February is the cheapest month in which you can book a flight from Illinois to Chattanooga (average of $95). Flying from Illinois to Chattanooga in June is currently the most expensive (average of $219). 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 Illinois to Chattanooga

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Top 2 airlines flying from Illinois to Chattanooga

Discover the top 2 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 14, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$189Average$329FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$194Average$304FlexibilityNo cancel feeOn-time71%

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