Cheap flights from Chattanooga to Illinois from $85

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chattanooga to Illinois departing on 7/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
8:59 am - 12:25 pm
CHA
-
ORD
28h 26m
1 stop
Multiple Airlines Logo
8:05 am - 8:09 am
ORD
-
CHA
23h 04m
1 stop
$178Multiple Airlines
Thu, Jul 9 - Sat, Jul 18
Multiple Airlines Logo
8:59 am - 12:24 pm
CHA
-
ORD
28h 25m
1 stop
Multiple Airlines Logo
7:52 am - 8:09 am
ORD
-
CHA
23h 17m
1 stop
$181Multiple Airlines
Thu, Jul 2 - Sat, Jul 4
United Airlines Logo
6:00 am - 6:59 am
CHA
-
ORD
1h 59mnonstop
United Airlines Logo
6:45 am - 9:34 am
ORD
-
CHA
1h 49mnonstop
$249United Airlines
Fri, Jun 12 - Sun, Jun 14
Delta Logo
8:27 am - 11:56 am
CHA
-
MDW
4h 29m
1 stop
Delta Logo
9:19 am - 2:19 pm
MDW
-
CHA
4h 00m
1 stop
$269Delta
Wed, Jul 8 - Thu, Jul 16
Delta Logo
5:35 am - 9:46 am
CHA
-
STL
5h 11m
1 stop
Delta Logo
8:00 am - 12:23 pm
STL
-
CHA
3h 23m
1 stop
$271Delta
Tue, Jun 23 - Tue, Jun 30
Allegiant Air Logo
10:04 pm - 9:17 am
CHA
-
RFD
12h 13m
1 stop
Allegiant Air Logo
4:42 pm - 2:03 pm
RFD
-
CHA
20h 21m
1 stop
$289Allegiant Air
Fri, Jun 5 - Wed, Jun 10
American Airlines Logo
6:36 pm - 11:44 pm
CHA
-
STL
6h 08m
1 stop
American Airlines Logo
5:29 am - 11:51 am
STL
-
CHA
5h 22m
1 stop
$301American Airlines
Mon, Jun 15 - Sun, Jun 21
Allegiant Air Logo
9:43 pm - 9:15 am
CHA
-
RFD
12h 32m
1 stop
Allegiant Air Logo
8:39 am - 9:34 am
RFD
-
CHA
23h 55m
1 stop
$306Allegiant Air
Fri, Jul 10 - Mon, Jul 20
American Airlines Logo
4:22 pm - 11:40 pm
CHA
-
PIA
8h 18m
1 stop
American Airlines Logo
6:58 pm - 11:51 pm
PIA
-
CHA
3h 53m
1 stop
$324American Airlines
Thu, Jul 2 - Mon, Jul 6
United Airlines Logo
5:45 pm - 10:00 pm
CHA
-
STL
5h 15m
1 stop
United Airlines Logo
8:00 am - 1:15 pm
STL
-
CHA
4h 15m
1 stop
$341United Airlines
Sat, Aug 15 - Wed, Aug 19

United Airlines flights from Chattanooga to Illinois

Our best United Airlines deals on Chattanooga to Illinois flight tickets
United Airlines
Jun 12
CHA6:00 amChattanooga Lovell Field
1h 59m
ORD6:59 amChicago O'Hare Intl
Jun 14
ORD6:45 amChicago O'Hare Intl
1h 49m
CHA9:34 amChattanooga Lovell Field
$249
United Airlines
May 29
CHA5:40 pmChattanooga Lovell Field
2h 05m
ORD6:45 pmChicago O'Hare Intl
May 31
ORD7:00 amChicago O'Hare Intl
1h 49m
CHA9:49 amChattanooga Lovell Field
$264
United Airlines
Jun 24
CHA6:00 amChattanooga Lovell Field
1h 59m
ORD6:59 amChicago O'Hare Intl
Jun 28
ORD6:55 amChicago O'Hare Intl
1h 49m
CHA9:44 amChattanooga Lovell Field
$271

Delta flights from Chattanooga to Illinois

Our best Delta deals on Chattanooga to Illinois flight tickets
Delta
Jun 19
CHA8:30 pmChattanooga Lovell Field
4h 29m
1 stop
ORD11:59 pmChicago O'Hare Intl
Jun 23
ORD8:08 amChicago O'Hare Intl
6h 12m
1 stop
CHA3:20 pmChattanooga Lovell Field
$269
Delta
Jun 23
CHA5:35 amChattanooga Lovell Field
5h 11m
1 stop
STL9:46 amLambert-St Louis
Jun 30
STL8:00 amLambert-St Louis
3h 23m
1 stop
CHA12:23 pmChattanooga Lovell Field
$271
Delta
Jun 3
CHA6:25 pmChattanooga Lovell Field
6h 43m
1 stop
ORD12:08 amChicago O'Hare Intl
Jun 11
ORD6:35 amChicago O'Hare Intl
4h 48m
1 stop
CHA12:23 pmChattanooga Lovell Field
$284

momondo Fare Finder

 
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, momondo users made 832,500 searches. Data last updated May 20, 2026.
Use the filters below to find and compare flights from Chattanooga to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChattanoogaChicago

CHA - ORD

CHAORD

Chattanooga Lovell Field

Thu 7/9

8:59 am-12:25 pm

1 stop28h 26m

Chicago O'Hare Intl

Sat 7/18

8:05 am-8:09 am

1 stop23h 04m

$178

ChattanoogaChicago

CHA - ORD

CHAORD

Chattanooga Lovell Field

Thu 7/2

8:59 am-12:24 pm

1 stop28h 25m

Chicago O'Hare Intl

Sat 7/4

7:52 am-8:09 am

1 stop23h 17m

$181
Quickest round-trip

ChattanoogaChicago

CHA - ORD

CHAORD

Chattanooga Lovell Field

Fri 6/12

6:00 am-6:59 am

Nonstop1h 59m

Chicago O'Hare Intl

Sun 6/14

6:45 am-9:34 am

Nonstop1h 49m

$249

ChattanoogaChicago

CHA - MDW

CHAMDW

Chattanooga Lovell Field

Wed 7/8

8:27 am-11:56 am

1 stop4h 29m

Chicago Midway

Thu 7/16

9:19 am-2:19 pm

1 stop4h 00m

$269

ChattanoogaSt. Louis

CHA - STL

CHASTL

Chattanooga Lovell Field

Tue 6/23

5:35 am-9:46 am

1 stop5h 11m

Lambert-St Louis

Tue 6/30

8:00 am-12:23 pm

1 stop3h 23m

$271

ChattanoogaChicago

CHA - RFD

CHARFD

Chattanooga Lovell Field

Fri 6/5

10:04 pm-9:17 am

1 stop12h 13m

Chicago Greater Rockford

Wed 6/10

4:42 pm-2:03 pm

1 stop20h 21m

$289

ChattanoogaSt. Louis

CHA - STL

CHASTL

Chattanooga Lovell Field

Mon 6/15

6:36 pm-11:44 pm

1 stop6h 08m

Lambert-St Louis

Sun 6/21

5:29 am-11:51 am

1 stop5h 22m

$301

ChattanoogaChicago

CHA - RFD

CHARFD

Chattanooga Lovell Field

Fri 7/10

9:43 pm-9:15 am

1 stop12h 32m

Chicago Greater Rockford

Mon 7/20

8:39 am-9:34 am

1 stop23h 55m

$306

ChattanoogaPeoria

CHA - PIA

CHAPIA

Chattanooga Lovell Field

Thu 7/2

4:22 pm-11:40 pm

1 stop8h 18m

Greater Peoria

Mon 7/6

6:58 pm-11:51 pm

1 stop3h 53m

$324

ChattanoogaSt. Louis

CHA - STL

CHASTL

Chattanooga Lovell Field

Sat 8/15

5:45 pm-10:00 pm

1 stop5h 15m

Lambert-St Louis

Wed 8/19

8:00 am-1:15 pm

1 stop4h 15m

$341

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Illinois from

How to get the cheapest flight ticket from Chattanooga to Illinois

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Illinois?

The cheapest month to fly to Illinois from Chattanooga is in March. Flight prices, which tend to average around $139, are often lower during this time because this is during the off-season. If you aren’t able to travel to Illinois during the month of March, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $159.

What is the cheapest day to depart on your flight to Illinois?

The cheapest day to depart from Chattanooga to Illinois is on a Friday when prices can be found for as low as $346. Flights from Chattanooga to Illinois on a Sunday will generally be more expensive and average around $561. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Illinois?

Our most recent data shows that the best time of day to fly to Illinois is in the afternoon. Flights from Chattanooga to Illinois during this time can be as low as $384. Flights at noon are often more expensive with an average ticket price of $414.

What is the cheapest Chattanooga Lovell Field to Illinois flight route?

Fly from Chattanooga Lovell Field to Chicago O'Hare Intl for the best Chattanooga Lovell Field - Illinois flight prices

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

You are more likely to see cheaper flights to Illinois from Chattanooga when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $282 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Chattanooga for as low as $220 on momondo.

What cabin class options are available on Chattanooga to Illinois flights?

There are 4 cabin classes available to choose from on Chattanooga to Illinois flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Chattanooga to Illinois flights?

You could potentially save up to 35% on your flight if you consider stops on a Chattanooga to Illinois flight.

Cheap Chattanooga to Illinois flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chattanooga to Illinois

Best Price Found

$273

Fastest flight time

1h 57m

Direct flights

Every day

Airports in Illinois

98 airports
The best one-way flight to Illinois from Chattanooga in the past 72 hours is $273. The best round-trip flight deal from Chattanooga to Illinois found on momondo in the last 72 hours is $324.
The fastest flight from Chattanooga to Illinois takes 1h 57m
Direct flights go from Chattanooga to Illinois every day.
There are 98 airports in Illinois. From Chattanooga there are direct flights to Chicago O'Hare Intl (ORD).

Frequently asked questions about flying from Chattanooga to Illinois

  • When did momondo last update prices for flights from Chattanooga Lovell Field Airport to Illinois?

    Prices for flights from Chattanooga Lovell Field Airport to Illinois are updated daily.

  • How many operators does momondo search for flights from Chattanooga Lovell Field Airport to Illinois?

  • How old do you have to be to fly from Chattanooga Lovell Field Airport to Illinois?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chattanooga Lovell Field Airport to Illinois.

  • What documentation or ID do you need to fly to Illinois?

    The required travel and health documents for your Illinois trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Illinois. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Chattanooga to Illinois?

Best airlines flying from Chattanooga to Illinois

Compare and see reviews for airlines that fly from Chattanooga to Illinois with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $189Free CancellationRating
7.1
11,642 reviews
Search American Airlines flights
United AirlinesPriceFrom $189Free CancellationRating
7.4
9,737 reviews
Search United Airlines flights
DeltaPriceFrom $208Free CancellationRating
7.9
8,454 reviews
Search Delta flights

Why use momondo?

Why should I use momondo to find a flight deal from Chattanooga to Illinois?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Chattanooga to Illinois. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Chattanooga to Illinois with flexible booking policies on momondo?

Flights from Chattanooga to Illinois with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Chattanooga to Illinois?

Once all potential Chattanooga to Illinois flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Chattanooga to Illinois right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Illinois from Chattanooga. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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1 adult
Fri 6/19
Fri 6/26

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